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Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
29
MODIFICATION OF RAIN WATER
HARVESTING PIT TO NEUTRALIZE ACIDIC
pH OF RAIN WATER
Upendra Verma1
and Vaishali Sahu2
Department of Civil& Environmental Engineering, ITM University, Gurgaon, Haryana,
India
ABSTRACT
Acidification of rain water in urban cities is playing major environmental issues. Acid rain is generally
caused by the formation of sulphuric acid and nitric acid. These sulphur and nitrogen emission are resulted
from different sources like industries, vehicles etc. Rain water is a major source for ground water recharge
in urban and rural India, Government of India has already provided water policies in 1987 and 2002 for
conservation of water with different technology of harvesting. Roof top rain water harvesting is a good
practice to collect rain water and inject it directly in the ground without much contamination. Ministry of
Environment and Forest (MoEF) suggested different design and material selection for rain water
harvesting pits to remove the suspended particles and other impurities, however no provision of controlling
the pH is provided for the acidic rain water. Hence the present study proposes modification in the existing
rain water harvesting pit to neutralize the acidic pH from rain water.
KEYWORDS
Acid rain, rain water harvesting, ministry of environment and forest
1. INTRODUCTION
Rainfall is very important natural mechanism for purification of atmospheric air. Many
studies have reported that the release of nitrates and sulphates from industrial activities is
responsible for contamination of our atmosphere. The concentration of the major air
pollutant is more in urban and industrial area as compared to non-urban areas. The
concentration is increasing with fast growing population, transportation, energy demand
and industrialization. These pollutants are responsible for acid rain [1]. Many studies
have shown that Europe and North America have experienced the adverse effects of
acidic deposition in form of rain [2] [3], and many Asian country [1] [4] and China [2]
are also facing this problem at initial level.
Rain water is always considered as good quality water for any purpose but due to
anthropogenic activity against ecology, it is now considered as polluted water for some
initial duration [5]. Industrialization is a basic need for rapid growth of economic activity,
industrial development, energy use but simultaneously energy demand, transportation,
land use practices and most important open burning has been leading to changes of
atmospheric chemistry [6] [7]. All these activities directly or indirectly contaminate rain
water and results into an acid rain which is very harmful for soil, ecology system, surface
water and human being etc. Also the fresh water is becoming scarce with increased
Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
30
demand and consumption. To meet the water demand the Government of India through
gazette notification issued by Ministry of Urban Development and Poverty alleviation vide
No. N-11011/9/98-DDV (Pt)/DDIB dated 28 July, 2001 regarding modification/addition to the
building bye law 1983, made it necessary to have water harvesting techniques by collecting the
runoff water including rain water in all new buildings on plots of 100 sq.m and above [8]. Roof
top rain water harvesting is one of the most suitable technologies for recharging the ground water
and as per water policy 1987 & 2002.
Roof top rain water harvesting is basically use for direct augmentation of ground water from roof
top catchment without having any major loses and contamination. Rain water directly falls on
building roof top catchment area and with help of pipe lines can be directly inserted into the
ground after passing through suitable filtration unit [9]. Roof top rainwater harvesting system
have various components like catchment area, coarse mesh, drain pipes, gutter, flush pipes, filter
unit, storage tank, collection sump, pump unit etc. Filtration is generally used to remove the
impurities from the runoff. Many filtration techniques were studied and rapid sand filtration was
recommended as an efficient filtration for a roof top rain water harvesting unit [5, 9]. However if
the rain is acidic (lower pH) then the provided material will not be suitable for neutralization of
pH. If the same acid rainwater directly recharges into the ground water, it will have direct impact
on the ground water quality and also does not fulfill the source water quality standard. Hence the
provision is made to flush out the initial phase of the rain water from the harvesting pit. But
flushing of the rain water will result in loss of huge quantity of water which can be used for
harvesting if the pH is neutralized. Hence it is required to modify the existing rain water
harvesting pit design so as to neutralize the pH of acidic rain and the acidic rain need not to be
flushed but can be used for recharge of ground water.
2. OBJECTIVE OF THE WORK
The objective of the present work is to modify the existing rain water harvesting pit so that the pH
of acid rain can be neutralized and the acid rain can be collected and can be used to recharge the
ground water. The modification is made in the coarse sand layer of the pit. It is suggested to
replace the conventional sand layer by the natural (Ganga and Yamuna) sand to neutralize the pH.
3. MATERIALS
Studies show that Uttar Pradesh, Bihar, Jharkand, West Bengal Uttarakhand and Haryana are the
highly sediment basin of Ganga and its tributaries. As the formation of these soils is caused by the
climatic condition and topography of the Himalayan region, these soils are classified as alluvial
soil in Ganga river plane. Yamuna and Ganga alluvial soil are Gangetic alluvium (calcareous) and
coastal alluvium [14, 15]. Ganga and Yamuna sand are type of alluvial soil which is basically
composed of lime & potassium. The presence of lime is responsible for the alkaline nature of soil.
Studies on Ganga tributaries reported the major elements of alluvial plane as alumina, mica,
kaolinite, chlorite, silica, ferrous, calcium, sodium and potassium [16]. Therefore Ganga sand
from Kanpur, Uttar Pradesh and Yamuna sand from Greater Noida were collected for replacing
the conventional sand layer of the harvesting pit.
4. RESULTS AND DISCUSSION
4.1 pH :- pH value is logarithmic value of reciprocal hydrogen ion activity in moles per
liter. pH value variation in water is due to hydrolysis of salts of strong bases and weak
acid or vice versa. Dissolved gases like carbon dioxide, ammonia and hydrogen sulphide
also affect pH value [17]. pH value range generally defined through Indian standard on
Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
31
the basis of acceptable limit or tolerance limit. Different characteristic and uses of water
having different pH value range as per Indian standard. Artificial ground water recharge
system through roof top rain water harvesting requires water quality similar to drinking
water and as per IS 10500, 1991the recommended pH is 6.5 to 8.5 [18].
The sand samples were kept in flask filled with distilled water of known pH for 24 hours.
After 24 hours the pH variation in both the samples were checked. Three samples were
tested for each sand and the average value is being reported in table 1. It shows the
alkaline pH of Ganga and Yamuna sand, which will be adequate for controlling or
neutralizing pH of acidic water till saturation point.
Table1:- pH value of Ganga and Yamuna sand with repetition value
S.NO. GANGA SAND YAMUNA SAND
1. 8.90 8.71
4.2. Permeability/ Hydraulic conductivity: - Artificial recharge planning and design
basic criteria are permeability and infiltration rate of soil. Permeability/hydraulic
conductivity calculations of soil are very important at time of constructing recharge
system because permeability is property of soil to transmit water and air. Ministry of
Environment, Forest & Climate change (MoEF) suggest permeability of different soil for
artificial recharge system, where coarse sand permeability suggested 20-100 m/day [19].
Table 2 described Ganga and Yamuna sand permeability and comparison with MOEF&
CC suggested coarse sand.
Table 2:- Permeability of Coarse, Ganga &Yamuna sand
S.NO. Coarse sand
m/day (as per MoEF)
Ganga sand
(m/day)
Yamuna sand
(m/day)
1. 20-100 49.25 38.88
The results shows that the permeability rate of Ganga and Yamuna sand falls in the range
prescribed by MoEF for coarse sand to be used in the harvesting pit. It is also noted that
the permeability of both the sand is an appreciable value and hence will help in proper
discharge rate also.
4.3. Infiltration rate: - Infiltration rate depends on the different soil texture and shows
movement of water in soil. Water movement contains in soil due to gravitational force
and capillary attraction, first water wets the soil particle than extra water move towards
ground from surface due to gravitational force. The rate at which water absorbed in soil
particles in known time is called infiltration rate and depend on the texture , hydraulic
conductivity, vegetation and structure of soil [20]. Infiltration rate plays very important
role at time of designing capacity of rain water harvesting pit and the proposed numbers.
Table 3 shows that the Ganga and Yamuna sand is having infiltration rate within the
range as suggested by MoEF. Figure 1 is shows the comparison of infiltration rate of
Ganga and Yamuna sand with the coarse sand for the pit as per MoEF.
Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
32
Table 3:- Infiltration rate of Ganga, Yamuna & coarse sand
S NO. Coarse sand
cm/hour
Ganga sand
cm/hour
Yamuna sand
cm/hour
1. 2.00-2.50 2.35 2.47
Figure 1: Infiltration rate of Ganga and Yamuna sand
4.4. Saturation point: Saturation point for any soil can be defined as the point where any
soil or sand loss the characteristics and no chemical reactions occurs.
4.4.1 Ganga sand Saturation point: -The known volume of acidic water was passed
through the known quantity of sand and the pH variation in outlet water was checked.
The process was continued up to the point when the pH of the inlet and outlet water was
same. Table 4 shows the pH variation with volume of acidic water. Figure 2 shows the
saturation point for Ganga sand.
Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
33
Table 4:- Saturation readings for Ganga sand
Weight of ganga sand - 25 gm
Volume of acidic
Water (ml)
pH of Inlet water pH of outlet water
25 5.41 7.60
50 5.41 7.23
75 5.41 6.91
100 5.41 6.78
125 5.41 6.61
150 5.41 6.48
175 5.41 6.15
200 5.41 5.81
225 5.41 5.72
250 5.41 5.65
275 5.41 5.54
300 5.41 5.48
325 5.41 5.41
350 5.41 5.41
Figure 2: Saturation point of Ganga sand
4.4.2 Yamuna Sand Saturation point:- Same process was continued to find the
saturation point for Yamuna sand. Table 5 shows the pH variation with volume of acidic
water. Figure 3 shows the saturation point for Yamuna sand.
Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
34
Table 5:- Saturation readings for Yamuna sand
Weight of Yamuna sand - 25 gm
Volume of acidic Water
(ml)
pH of Inlet water pH of outlet water
25 5.41 7.35
50 5.41 7.21
75 5.41 6.93
100 5.41 6.70
125 5.41 6.63
150 5.41 6.50
175 5.41 6.12
200 5.41 5.85
225 5.41 5.53
250 5.41 5.50
275 5.41 5.42
300 5.41 5.41
325 5.41 5.41
Figure 3: Saturation point of Yamua sand
CONCLUSIONS
After complete study on Yamuna and Ganga River sands we can predict that both sands are
adequate to neutralize acidic water from rain water without effecting natural characteristic of rain
water. We can conserve lots of water in large construction project roof top rain water harvesting
because of sometime diversion factor from roof top rain water calls a lots of water wastage. Basis
of laboratory test on controlled quantity of Ganaga and Yamuna sand, assumed quantity of sand
matter for saturation point of sand characteristic’s and directly impact on neutralizing capacity of
sands. Government/proponent should take initiative for conserving of rain water through
modification of rain water harvesting pits because of rain water consideration is like a Distilled
water but due to atmospheric/ground pollutant its carrying lots of unwanted pollutants.
Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
35
REFERENCES
[1]G.S.Munawar Pasha, G.P.Shivashankara and S.Tiwari, “Chemical Composition and Ionic Variability of
Wet and Bulk Precipitation in Urban Environment of Karnataka State, India” 2014, 66-84.
[2]H. Rodhe, F.Dentener, and M.Schulz, The global distribution of acidifying wet deposition
Environmental Science and Technology, 2002, 36, 4382 4388.
[3]G.P.Hu, R. Balasubramaniam, C.D. Wu, Chemical characterization of precipitation at Singapore
Chemosphere, 2003, 51,747 755.
[4]L. Granat, Regional background acidity and chemical composition of precipitation in Thailand
Atmospheric Environment, 1996, 30 (10), pp. 1589 1596 (8).
[5]Ministry of Environment, Forest & Climate change, Manual on norms and standard for environment
clearance of large construction projects.
[6]Suresh Tiwari, J V Singh and G A Momin, Influence of calcium and sulphate on the pH Rain Water at
Delhi, Indian journal of Radio and space physics, Vol 30, pp 325-331.
[7]Medha S. Naik, G. A. Momin, P. S. P. Rao, P. D. Safai and K. Ali, Chemical composition of rainwater
around an industrial region in Mumbai, 2002, Vol. 82.
[8]Government of India, Constancy Services organisation, Central Public works Department, “Rain Water
harvesting and conservation”, Manual, 2002, pp 01-08
[9]Government of India, Ministry of water resource, Central Ground Water Board, “Manual on Artificial
Recharge of Ground Water”, 2007,
[10]R. SINHA1, S. K. TANDON2, M. R. GIBLING3, P. S. BHATTACHARJEE1 & A. S. DASGUPTA1,
“Late Quaternary geology and alluvial stratigraphy of the Ganga basin”, Vol 26 (1), 2005, PP 223-240.
[11]Eduardo Garzanti a, Sergio Andó a,1, Christian France-Lanord b,2, Paolo Censi c,3, Pietro Vignola
d,4,Valier Galy b,5, Maarten Lupker, “Mineralogical and chemical variability of fluvial sediments 2.
Suspended-load silt (Ganga–Brahmaputra, Bangladesh)”, Vol 302, 2011, pp 107-120
[12]R. SINHA1, S. K. TANDON2, M. R. GIBLING3, P. S. BHATTACHARJEE1 & A. S. DASGUPTA1,
“Late Quaternary geology and alluvial stratigraphy of the Ganga basin”, Vol 26, 2005, pp 223-240
[13]Sinha, R & Friend, P.F. 1994. River systems and their sediment flux, Indo-Gangetic plains, northern
Bihar, India. Sedimentology, vol 41, 825-5.
[14]R S Murthy, B S Mathur and S P Raychaudhuri, “Genesis and Classification of Some Alluvial Soils In
The Ganga River Plain of Central Uttar Pradesh”, 1961
[15]National river conservation Directorate (MoEF), “Status paper on River Gnaga”, State of Environment
and Water quality, 2009
[16]Munendra Singh, Maneesh Sharma, Heinz Jurgen Tobschall, “Weathering of the Ganga alluvial plain,
northern India implications from fluvial geochemistry of the Gomati River”, 2005, pp1-21.
[17]Indian Standard (3025), “methods of sampling and test (physical and chemical) for water and waste
water”, Part II pH value.
[18]Indian Standard (10500), “Drinking Water- Specification”.
[19]Ministry of Water Resource, Government of India, 2004, Pg 15, 84
[20]Jagdale Satyawan Dagadu, Nimbalkar P. T, “infiltration studies of different soils under different soil
conditions and comparison of infiltration models with field data”, International Journal of Advanced
Engineering Technology.
Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015
36
AUTHORS
Mr. Upendra Verma is a certified professional
having 6 Years of combined experience of
construction industry and industrial research
organizations. Presently working as a Sr.
Environmental Engineer in Unitech Ltd. He is
pursuing M.Tech in Energy and Environmental
Management from IT University Gurgaon.
Ms. Vaishali Sahu has done her M.Tech from
IIT Roorkee in 2005 and is pursuing Ph.D. She
has 8 years of teaching experience and is an
Assistant Professor in the Department of Civil
& Environmental Engineering, ITM University,
Gurgaon, India. Her research areas are Water,
Waste Water Management, and Environmental
Pollution & Waste Management. She has
published 24 papers in the journal and
conferences of national and international repute.
She has guided two students from Kassel
University Germany for the summer project and
also guided three M.Tech students.

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MODIFICATION OF RAIN WATER HARVESTING PIT TO NEUTRALIZE ACIDIC pH OF RAIN WATER

  • 1. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 29 MODIFICATION OF RAIN WATER HARVESTING PIT TO NEUTRALIZE ACIDIC pH OF RAIN WATER Upendra Verma1 and Vaishali Sahu2 Department of Civil& Environmental Engineering, ITM University, Gurgaon, Haryana, India ABSTRACT Acidification of rain water in urban cities is playing major environmental issues. Acid rain is generally caused by the formation of sulphuric acid and nitric acid. These sulphur and nitrogen emission are resulted from different sources like industries, vehicles etc. Rain water is a major source for ground water recharge in urban and rural India, Government of India has already provided water policies in 1987 and 2002 for conservation of water with different technology of harvesting. Roof top rain water harvesting is a good practice to collect rain water and inject it directly in the ground without much contamination. Ministry of Environment and Forest (MoEF) suggested different design and material selection for rain water harvesting pits to remove the suspended particles and other impurities, however no provision of controlling the pH is provided for the acidic rain water. Hence the present study proposes modification in the existing rain water harvesting pit to neutralize the acidic pH from rain water. KEYWORDS Acid rain, rain water harvesting, ministry of environment and forest 1. INTRODUCTION Rainfall is very important natural mechanism for purification of atmospheric air. Many studies have reported that the release of nitrates and sulphates from industrial activities is responsible for contamination of our atmosphere. The concentration of the major air pollutant is more in urban and industrial area as compared to non-urban areas. The concentration is increasing with fast growing population, transportation, energy demand and industrialization. These pollutants are responsible for acid rain [1]. Many studies have shown that Europe and North America have experienced the adverse effects of acidic deposition in form of rain [2] [3], and many Asian country [1] [4] and China [2] are also facing this problem at initial level. Rain water is always considered as good quality water for any purpose but due to anthropogenic activity against ecology, it is now considered as polluted water for some initial duration [5]. Industrialization is a basic need for rapid growth of economic activity, industrial development, energy use but simultaneously energy demand, transportation, land use practices and most important open burning has been leading to changes of atmospheric chemistry [6] [7]. All these activities directly or indirectly contaminate rain water and results into an acid rain which is very harmful for soil, ecology system, surface water and human being etc. Also the fresh water is becoming scarce with increased
  • 2. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 30 demand and consumption. To meet the water demand the Government of India through gazette notification issued by Ministry of Urban Development and Poverty alleviation vide No. N-11011/9/98-DDV (Pt)/DDIB dated 28 July, 2001 regarding modification/addition to the building bye law 1983, made it necessary to have water harvesting techniques by collecting the runoff water including rain water in all new buildings on plots of 100 sq.m and above [8]. Roof top rain water harvesting is one of the most suitable technologies for recharging the ground water and as per water policy 1987 & 2002. Roof top rain water harvesting is basically use for direct augmentation of ground water from roof top catchment without having any major loses and contamination. Rain water directly falls on building roof top catchment area and with help of pipe lines can be directly inserted into the ground after passing through suitable filtration unit [9]. Roof top rainwater harvesting system have various components like catchment area, coarse mesh, drain pipes, gutter, flush pipes, filter unit, storage tank, collection sump, pump unit etc. Filtration is generally used to remove the impurities from the runoff. Many filtration techniques were studied and rapid sand filtration was recommended as an efficient filtration for a roof top rain water harvesting unit [5, 9]. However if the rain is acidic (lower pH) then the provided material will not be suitable for neutralization of pH. If the same acid rainwater directly recharges into the ground water, it will have direct impact on the ground water quality and also does not fulfill the source water quality standard. Hence the provision is made to flush out the initial phase of the rain water from the harvesting pit. But flushing of the rain water will result in loss of huge quantity of water which can be used for harvesting if the pH is neutralized. Hence it is required to modify the existing rain water harvesting pit design so as to neutralize the pH of acidic rain and the acidic rain need not to be flushed but can be used for recharge of ground water. 2. OBJECTIVE OF THE WORK The objective of the present work is to modify the existing rain water harvesting pit so that the pH of acid rain can be neutralized and the acid rain can be collected and can be used to recharge the ground water. The modification is made in the coarse sand layer of the pit. It is suggested to replace the conventional sand layer by the natural (Ganga and Yamuna) sand to neutralize the pH. 3. MATERIALS Studies show that Uttar Pradesh, Bihar, Jharkand, West Bengal Uttarakhand and Haryana are the highly sediment basin of Ganga and its tributaries. As the formation of these soils is caused by the climatic condition and topography of the Himalayan region, these soils are classified as alluvial soil in Ganga river plane. Yamuna and Ganga alluvial soil are Gangetic alluvium (calcareous) and coastal alluvium [14, 15]. Ganga and Yamuna sand are type of alluvial soil which is basically composed of lime & potassium. The presence of lime is responsible for the alkaline nature of soil. Studies on Ganga tributaries reported the major elements of alluvial plane as alumina, mica, kaolinite, chlorite, silica, ferrous, calcium, sodium and potassium [16]. Therefore Ganga sand from Kanpur, Uttar Pradesh and Yamuna sand from Greater Noida were collected for replacing the conventional sand layer of the harvesting pit. 4. RESULTS AND DISCUSSION 4.1 pH :- pH value is logarithmic value of reciprocal hydrogen ion activity in moles per liter. pH value variation in water is due to hydrolysis of salts of strong bases and weak acid or vice versa. Dissolved gases like carbon dioxide, ammonia and hydrogen sulphide also affect pH value [17]. pH value range generally defined through Indian standard on
  • 3. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 31 the basis of acceptable limit or tolerance limit. Different characteristic and uses of water having different pH value range as per Indian standard. Artificial ground water recharge system through roof top rain water harvesting requires water quality similar to drinking water and as per IS 10500, 1991the recommended pH is 6.5 to 8.5 [18]. The sand samples were kept in flask filled with distilled water of known pH for 24 hours. After 24 hours the pH variation in both the samples were checked. Three samples were tested for each sand and the average value is being reported in table 1. It shows the alkaline pH of Ganga and Yamuna sand, which will be adequate for controlling or neutralizing pH of acidic water till saturation point. Table1:- pH value of Ganga and Yamuna sand with repetition value S.NO. GANGA SAND YAMUNA SAND 1. 8.90 8.71 4.2. Permeability/ Hydraulic conductivity: - Artificial recharge planning and design basic criteria are permeability and infiltration rate of soil. Permeability/hydraulic conductivity calculations of soil are very important at time of constructing recharge system because permeability is property of soil to transmit water and air. Ministry of Environment, Forest & Climate change (MoEF) suggest permeability of different soil for artificial recharge system, where coarse sand permeability suggested 20-100 m/day [19]. Table 2 described Ganga and Yamuna sand permeability and comparison with MOEF& CC suggested coarse sand. Table 2:- Permeability of Coarse, Ganga &Yamuna sand S.NO. Coarse sand m/day (as per MoEF) Ganga sand (m/day) Yamuna sand (m/day) 1. 20-100 49.25 38.88 The results shows that the permeability rate of Ganga and Yamuna sand falls in the range prescribed by MoEF for coarse sand to be used in the harvesting pit. It is also noted that the permeability of both the sand is an appreciable value and hence will help in proper discharge rate also. 4.3. Infiltration rate: - Infiltration rate depends on the different soil texture and shows movement of water in soil. Water movement contains in soil due to gravitational force and capillary attraction, first water wets the soil particle than extra water move towards ground from surface due to gravitational force. The rate at which water absorbed in soil particles in known time is called infiltration rate and depend on the texture , hydraulic conductivity, vegetation and structure of soil [20]. Infiltration rate plays very important role at time of designing capacity of rain water harvesting pit and the proposed numbers. Table 3 shows that the Ganga and Yamuna sand is having infiltration rate within the range as suggested by MoEF. Figure 1 is shows the comparison of infiltration rate of Ganga and Yamuna sand with the coarse sand for the pit as per MoEF.
  • 4. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 32 Table 3:- Infiltration rate of Ganga, Yamuna & coarse sand S NO. Coarse sand cm/hour Ganga sand cm/hour Yamuna sand cm/hour 1. 2.00-2.50 2.35 2.47 Figure 1: Infiltration rate of Ganga and Yamuna sand 4.4. Saturation point: Saturation point for any soil can be defined as the point where any soil or sand loss the characteristics and no chemical reactions occurs. 4.4.1 Ganga sand Saturation point: -The known volume of acidic water was passed through the known quantity of sand and the pH variation in outlet water was checked. The process was continued up to the point when the pH of the inlet and outlet water was same. Table 4 shows the pH variation with volume of acidic water. Figure 2 shows the saturation point for Ganga sand.
  • 5. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 33 Table 4:- Saturation readings for Ganga sand Weight of ganga sand - 25 gm Volume of acidic Water (ml) pH of Inlet water pH of outlet water 25 5.41 7.60 50 5.41 7.23 75 5.41 6.91 100 5.41 6.78 125 5.41 6.61 150 5.41 6.48 175 5.41 6.15 200 5.41 5.81 225 5.41 5.72 250 5.41 5.65 275 5.41 5.54 300 5.41 5.48 325 5.41 5.41 350 5.41 5.41 Figure 2: Saturation point of Ganga sand 4.4.2 Yamuna Sand Saturation point:- Same process was continued to find the saturation point for Yamuna sand. Table 5 shows the pH variation with volume of acidic water. Figure 3 shows the saturation point for Yamuna sand.
  • 6. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 34 Table 5:- Saturation readings for Yamuna sand Weight of Yamuna sand - 25 gm Volume of acidic Water (ml) pH of Inlet water pH of outlet water 25 5.41 7.35 50 5.41 7.21 75 5.41 6.93 100 5.41 6.70 125 5.41 6.63 150 5.41 6.50 175 5.41 6.12 200 5.41 5.85 225 5.41 5.53 250 5.41 5.50 275 5.41 5.42 300 5.41 5.41 325 5.41 5.41 Figure 3: Saturation point of Yamua sand CONCLUSIONS After complete study on Yamuna and Ganga River sands we can predict that both sands are adequate to neutralize acidic water from rain water without effecting natural characteristic of rain water. We can conserve lots of water in large construction project roof top rain water harvesting because of sometime diversion factor from roof top rain water calls a lots of water wastage. Basis of laboratory test on controlled quantity of Ganaga and Yamuna sand, assumed quantity of sand matter for saturation point of sand characteristic’s and directly impact on neutralizing capacity of sands. Government/proponent should take initiative for conserving of rain water through modification of rain water harvesting pits because of rain water consideration is like a Distilled water but due to atmospheric/ground pollutant its carrying lots of unwanted pollutants.
  • 7. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 35 REFERENCES [1]G.S.Munawar Pasha, G.P.Shivashankara and S.Tiwari, “Chemical Composition and Ionic Variability of Wet and Bulk Precipitation in Urban Environment of Karnataka State, India” 2014, 66-84. [2]H. Rodhe, F.Dentener, and M.Schulz, The global distribution of acidifying wet deposition Environmental Science and Technology, 2002, 36, 4382 4388. [3]G.P.Hu, R. Balasubramaniam, C.D. Wu, Chemical characterization of precipitation at Singapore Chemosphere, 2003, 51,747 755. [4]L. Granat, Regional background acidity and chemical composition of precipitation in Thailand Atmospheric Environment, 1996, 30 (10), pp. 1589 1596 (8). [5]Ministry of Environment, Forest & Climate change, Manual on norms and standard for environment clearance of large construction projects. [6]Suresh Tiwari, J V Singh and G A Momin, Influence of calcium and sulphate on the pH Rain Water at Delhi, Indian journal of Radio and space physics, Vol 30, pp 325-331. [7]Medha S. Naik, G. A. Momin, P. S. P. Rao, P. D. Safai and K. Ali, Chemical composition of rainwater around an industrial region in Mumbai, 2002, Vol. 82. [8]Government of India, Constancy Services organisation, Central Public works Department, “Rain Water harvesting and conservation”, Manual, 2002, pp 01-08 [9]Government of India, Ministry of water resource, Central Ground Water Board, “Manual on Artificial Recharge of Ground Water”, 2007, [10]R. SINHA1, S. K. TANDON2, M. R. GIBLING3, P. S. BHATTACHARJEE1 & A. S. DASGUPTA1, “Late Quaternary geology and alluvial stratigraphy of the Ganga basin”, Vol 26 (1), 2005, PP 223-240. [11]Eduardo Garzanti a, Sergio Andó a,1, Christian France-Lanord b,2, Paolo Censi c,3, Pietro Vignola d,4,Valier Galy b,5, Maarten Lupker, “Mineralogical and chemical variability of fluvial sediments 2. Suspended-load silt (Ganga–Brahmaputra, Bangladesh)”, Vol 302, 2011, pp 107-120 [12]R. SINHA1, S. K. TANDON2, M. R. GIBLING3, P. S. BHATTACHARJEE1 & A. S. DASGUPTA1, “Late Quaternary geology and alluvial stratigraphy of the Ganga basin”, Vol 26, 2005, pp 223-240 [13]Sinha, R & Friend, P.F. 1994. River systems and their sediment flux, Indo-Gangetic plains, northern Bihar, India. Sedimentology, vol 41, 825-5. [14]R S Murthy, B S Mathur and S P Raychaudhuri, “Genesis and Classification of Some Alluvial Soils In The Ganga River Plain of Central Uttar Pradesh”, 1961 [15]National river conservation Directorate (MoEF), “Status paper on River Gnaga”, State of Environment and Water quality, 2009 [16]Munendra Singh, Maneesh Sharma, Heinz Jurgen Tobschall, “Weathering of the Ganga alluvial plain, northern India implications from fluvial geochemistry of the Gomati River”, 2005, pp1-21. [17]Indian Standard (3025), “methods of sampling and test (physical and chemical) for water and waste water”, Part II pH value. [18]Indian Standard (10500), “Drinking Water- Specification”. [19]Ministry of Water Resource, Government of India, 2004, Pg 15, 84 [20]Jagdale Satyawan Dagadu, Nimbalkar P. T, “infiltration studies of different soils under different soil conditions and comparison of infiltration models with field data”, International Journal of Advanced Engineering Technology.
  • 8. Civil Engineering and Urban Planning:An International Journal(CiVEJ) Vol.2,No.2, June 2015 36 AUTHORS Mr. Upendra Verma is a certified professional having 6 Years of combined experience of construction industry and industrial research organizations. Presently working as a Sr. Environmental Engineer in Unitech Ltd. He is pursuing M.Tech in Energy and Environmental Management from IT University Gurgaon. Ms. Vaishali Sahu has done her M.Tech from IIT Roorkee in 2005 and is pursuing Ph.D. She has 8 years of teaching experience and is an Assistant Professor in the Department of Civil & Environmental Engineering, ITM University, Gurgaon, India. Her research areas are Water, Waste Water Management, and Environmental Pollution & Waste Management. She has published 24 papers in the journal and conferences of national and international repute. She has guided two students from Kassel University Germany for the summer project and also guided three M.Tech students.