The document summarizes a study on using indigenous microbial cultures to remove sulfur and iron from coal samples from Chinakuri mines in India. Key findings include:
- A rod-shaped bacteria was isolated from the coal samples and shown to effectively remove sulfur and iron through bioleaching.
- Process parameters like particle size of 101-150 μm, slurry concentration of 5% w/v, pH of 1.9, and temperature of 30°C were optimized for maximum biodesulphurization.
- Under optimized conditions, total iron removal was 40.8% and total sulfur removal was 5.3%.
- Mechanisms of sulfur and iron removal involved both direct and indirect microbial oxidation
It describes how the Sulfur is removed from the coal and oil. Desulfurisation of coal and oil is very helpful to bring down the sulfur oxide emissions in the air from the industries and power plants.
Flue gas desulfurization is commonly known as FGD and is the technology used for removing sulfur dioxide (SO2) from the exhaust combustion flue gases of power plants that burn coal or oil to produce steam for the turbines that drive their electricity generators.
It describes how the Sulfur is removed from the coal and oil. Desulfurisation of coal and oil is very helpful to bring down the sulfur oxide emissions in the air from the industries and power plants.
Flue gas desulfurization is commonly known as FGD and is the technology used for removing sulfur dioxide (SO2) from the exhaust combustion flue gases of power plants that burn coal or oil to produce steam for the turbines that drive their electricity generators.
We ensure safe execution of all natural gas dehydration processes. Formulated solvents are used for acid gas treatment to achieve proper bio gas processing. If you getting more information about that visit on to http://www.deltapurification.com/ or call (306)-352-6132
B E Project - Manufacturing of Phosphoric AcidAniket Mali
A method is disclosed for the manufacture of phosphoric acid directly from phosphate rock slurry in a reaction vessel with additional sulphuric acid to produce dehydrate calcium sulphate (gypsum). The gypsum is separated from the recovery solution via filtration and removed as a by-product. Design of equipments like reactor, sedimentation tank and evaporator is done.
Processing of Hydrogen Sulfide & Carbon Dioxide From Natural Gas StreamsMohamed Almoalem
This poster was presented in GPA (Gas Processors Association) 23rd technical conference in November 2015. It is the outcome of an individual research that was done voluntarily by me during my internship in Tatweer Petroleum.
Study of the Sulfur Trioxide Generation Mechanism and Control Method Using We...inventionjournals
In coal fired power plant, especially using sulfur content fossil fuels, much attention in recently paid to sulfur trioxide and sulfuric acid mist emission, because conventional desulfurization system should not be removed, which is installed to meet air quality standard for sulfur dioxide. Sulfur trioxide is highly reactive with water vapor and generally convert to sulfuric acid mist in atmosphere. Sulfuric acid is very fine under-submicron sized particulate matter or droplets. Recently sulfur trioxide cause air pollution and public health, discussion comes out, especially in the United States and Japan, that regulations and guideline should be enlarge the sulfur dioxide to sulfur trioxide and sulfuric acid. Moreover most countries reinforce sulfur oxides emission regulations or guidelines from coal-fired power plant. In this study, focusing that how to control the sulfur trioxide and sulfuric acid mist. Sulfuric acid mist found depending on the flue gas temperature. Generation and conversion rate of sulfur trioxide were measured according to temperature. The absorbent was selected to remove sulfur trioxide and sulfuric acid using wet type desulfurization system which the most proven technology at this moment.
Desulphur - A new Desulphurisation TechniqueTecnoVeritas
This Presentations intends to present a new technique of Desulphurisation, a revolutionary product to help the environment and the marine/ shore industry.
Separation of CO2 and Moisture from biogas by Adsorption methodMinza Mumtaz
Group of post graduate students have made a system to remaove carbondioxide and moisture from biogas production. It is reusable. Checkout the presentation to get the idea how to prepare it.
For further information can contact.
there are several methods available for desulphurization but adsorption method is best method. because clay contains highest adsorption capacity and we get 0.05% of sulphur in the kerosene oil.
We ensure safe execution of all natural gas dehydration processes. Formulated solvents are used for acid gas treatment to achieve proper bio gas processing. If you getting more information about that visit on to http://www.deltapurification.com/ or call (306)-352-6132
B E Project - Manufacturing of Phosphoric AcidAniket Mali
A method is disclosed for the manufacture of phosphoric acid directly from phosphate rock slurry in a reaction vessel with additional sulphuric acid to produce dehydrate calcium sulphate (gypsum). The gypsum is separated from the recovery solution via filtration and removed as a by-product. Design of equipments like reactor, sedimentation tank and evaporator is done.
Processing of Hydrogen Sulfide & Carbon Dioxide From Natural Gas StreamsMohamed Almoalem
This poster was presented in GPA (Gas Processors Association) 23rd technical conference in November 2015. It is the outcome of an individual research that was done voluntarily by me during my internship in Tatweer Petroleum.
Study of the Sulfur Trioxide Generation Mechanism and Control Method Using We...inventionjournals
In coal fired power plant, especially using sulfur content fossil fuels, much attention in recently paid to sulfur trioxide and sulfuric acid mist emission, because conventional desulfurization system should not be removed, which is installed to meet air quality standard for sulfur dioxide. Sulfur trioxide is highly reactive with water vapor and generally convert to sulfuric acid mist in atmosphere. Sulfuric acid is very fine under-submicron sized particulate matter or droplets. Recently sulfur trioxide cause air pollution and public health, discussion comes out, especially in the United States and Japan, that regulations and guideline should be enlarge the sulfur dioxide to sulfur trioxide and sulfuric acid. Moreover most countries reinforce sulfur oxides emission regulations or guidelines from coal-fired power plant. In this study, focusing that how to control the sulfur trioxide and sulfuric acid mist. Sulfuric acid mist found depending on the flue gas temperature. Generation and conversion rate of sulfur trioxide were measured according to temperature. The absorbent was selected to remove sulfur trioxide and sulfuric acid using wet type desulfurization system which the most proven technology at this moment.
Desulphur - A new Desulphurisation TechniqueTecnoVeritas
This Presentations intends to present a new technique of Desulphurisation, a revolutionary product to help the environment and the marine/ shore industry.
Separation of CO2 and Moisture from biogas by Adsorption methodMinza Mumtaz
Group of post graduate students have made a system to remaove carbondioxide and moisture from biogas production. It is reusable. Checkout the presentation to get the idea how to prepare it.
For further information can contact.
there are several methods available for desulphurization but adsorption method is best method. because clay contains highest adsorption capacity and we get 0.05% of sulphur in the kerosene oil.
Monitoring and risk management: a mining company perspectiveCLIC Innovation Ltd
MMEA (The Measurement, Monitoring and Environmental Efficiency Assessment) research program final seminar presentation by Sustainable development manager Anita Alajoutsijärvi, Agnico Eagle Mines
Implementation and application of a Process Safety Management System. This presentation will focus on the history, purpose and scope of a Process Safety Management (PSM) system. Topics covered include:
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3 Things Every Sales Team Needs to Be Thinking About in 2017Drift
Thinking about your sales team's goals for 2017? Drift's VP of Sales shares 3 things you can do to improve conversion rates and drive more revenue.
Read the full story on the Drift blog here: http://blog.drift.com/sales-team-tips
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
International Journal of Engineering and Science Invention (IJESI)inventionjournals
International Journal of Engineering and Science Invention (IJESI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJESI publishes research articles and reviews within the whole field Engineering Science and Technology, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online
Removal of fluoride from drinking water by adsorption onto Activated Alumina ...IJERA Editor
The ability of activated alumina and activated carbon to remove Fluoride from aqueous solution has been investigated. The studies were carried out as functions of contact time, concentration and pH. The data indicate that activated alumina surface sites are heterogeneous in nature and that fits into a heterogeneous site binding model. The optimum pH for complete removal of Fluoride from aqueous solution were described. The rate of fluoride removal was rapid during several time intervals of time, and equilibrium was attained were described in detailed.
Catalysis of SO2 to SO3 by Ocimum Sanctum Mediated Potassium Vanadate (KV2O5)...Arvind Singh Heer
Eco friendly and cost effective methods of green mediated synthesis of nanoparticles are the present research in the limb of nanotechnology. The present work leads to the synthesis of potassium-deficient (KV2O5) nanocuboid from 0.008 moles of Ammonium Meta-Vanadate and 0.002 mole of Potassium Oxalate added to aqueous leaf extract of Ocimum Sanctum which acts as reducing as well as capping agent. The characteristics of Potassium Vanadate nanoparticles were studied by using UV-VIS spectroscopy, XRD, FTIR, SEM and EDS. Ultraviolet scanning spectroscopy was used to detect the distinct absorption spectrum of KV2O5 nanoparticles. The peak value observed at 345 nm. The EDS spectrum of the KV2O5 nanoparticles confirmed the presence of elemental Potassium and Vanadium and pentavalent Vanadium was also determined by EDS in its oxide form. The size of synthesized nanocuboid lies between 50-200 nm. The catalytic activity of prepared nanoparticles was studied for the oxidation of SO2 to SO3.
Running head USING BENTONITE TO EXTRACT CU2+1USING BENTONITE.docxrtodd599
Running head: USING BENTONITE TO EXTRACT CU2+1
USING BENTONITE TO EXTRACT CU2+15
Using Bentonite to Extract Cu2+
Name
Institution
Abstract
This study was aimed at determining and comparing the potential of various weights of activated bentonite (BN). BN is an essential adsorbent used to remove copper sulfate in aqueous systems. This bentonite composes of 1M ammonium chloride i.e. NH3CL ratio; 1:1, w/w. The investigation of the adsorption ability of the naturally activated material (BN) to adsorb copper sulfate (CUSO4.5H2O) was investigated using UV-VIS spectrophotometry. Raw BN (unheated) has the adsorption ability and thus eliminates copper (II) ions from this aqueous solution. BN has approximately 62% efficiency of eliminating Cu2+ from copper sulfate. Various studies have determined that the removal efficiency of copper (II) ions increase with the rise in temperature of BN with temperatures not exceeding 200 C having about 69% efficiency. The percentage was seen to rise to close to 90% when BN was treated thermally. The optimal values of the removal rate of Cu2+ resulted when the BN dosage was 0.4g/100mL.
1.0 Introduction
The existence of heavy metals in most of the aquatic systems has raised significant concern owing to their high toxicity. The contamination of water with heavy metals results from daily human activities. It has been observed that lead concentration in areas inhabited by people is 20 times higher than in regions that are not influenced directly by the actions of people. As a result, various regulations and laws have been enacted to control effluence with these heavy metals. Thus, the Environmental Protection Agency, an institution set by the federal government to adjust and observe pollutants discharge in the environment, has set the allowable limits of massive metal emissions as copper 1.3 ppm, mercury two ppb, cadmium 5ppb, lead 15 ppb and chromium 100 ppb (EPA). Copper is one of the conventional metal as it is used in metal mechanic manufactories, industrial plant, and also in food production. Although many laws have set limits of allowable copper emissions, excess of its compounds are prevalent in water bodies. Therefore, it has become necessary to find ways of safely removing copper from aqueous solutions.
This study is aimed at investigating the efficiency of an adsorbent material BN in adsorption of CuSO4 from aqueous solutions. The investigation was conducted using the usages rates of BN, the influence of BN dose, and results from other batch adsorption studies.2.0 Literature Review
In the last few decades, contamination of water resources with ions from heavy metals has increased, becoming a global concern. Studies have shown that some metals are toxic to the ecological environment and human lives. Copper sulfate is a compound of copper and sulfur which forms a heavy metal precipitate in water bodies. However, copper in controlled amounts is essential in life forms due to its extensive role in the ge.
Running head USING BENTONITE TO EXTRACT CU2+1USING BENTONITE.docxjenkinsmandie
Running head: USING BENTONITE TO EXTRACT CU2+1
USING BENTONITE TO EXTRACT CU2+15
Using Bentonite to Extract Cu2+
Name
Institution
Abstract
This study was aimed at determining and comparing the potential of various weights of activated bentonite (BN). BN is an essential adsorbent used to remove copper sulfate in aqueous systems. This bentonite composes of 1M ammonium chloride i.e. NH3CL ratio; 1:1, w/w. The investigation of the adsorption ability of the naturally activated material (BN) to adsorb copper sulfate (CUSO4.5H2O) was investigated using UV-VIS spectrophotometry. Raw BN (unheated) has the adsorption ability and thus eliminates copper (II) ions from this aqueous solution. BN has approximately 62% efficiency of eliminating Cu2+ from copper sulfate. Various studies have determined that the removal efficiency of copper (II) ions increase with the rise in temperature of BN with temperatures not exceeding 200 C having about 69% efficiency. The percentage was seen to rise to close to 90% when BN was treated thermally. The optimal values of the removal rate of Cu2+ resulted when the BN dosage was 0.4g/100mL.
1.0 Introduction
The existence of heavy metals in most of the aquatic systems has raised significant concern owing to their high toxicity. The contamination of water with heavy metals results from daily human activities. It has been observed that lead concentration in areas inhabited by people is 20 times higher than in regions that are not influenced directly by the actions of people. As a result, various regulations and laws have been enacted to control effluence with these heavy metals. Thus, the Environmental Protection Agency, an institution set by the federal government to adjust and observe pollutants discharge in the environment, has set the allowable limits of massive metal emissions as copper 1.3 ppm, mercury two ppb, cadmium 5ppb, lead 15 ppb and chromium 100 ppb (EPA). Copper is one of the conventional metal as it is used in metal mechanic manufactories, industrial plant, and also in food production. Although many laws have set limits of allowable copper emissions, excess of its compounds are prevalent in water bodies. Therefore, it has become necessary to find ways of safely removing copper from aqueous solutions.
This study is aimed at investigating the efficiency of an adsorbent material BN in adsorption of CuSO4 from aqueous solutions. The investigation was conducted using the usages rates of BN, the influence of BN dose, and results from other batch adsorption studies.2.0 Literature Review
In the last few decades, contamination of water resources with ions from heavy metals has increased, becoming a global concern. Studies have shown that some metals are toxic to the ecological environment and human lives. Copper sulfate is a compound of copper and sulfur which forms a heavy metal precipitate in water bodies. However, copper in controlled amounts is essential in life forms due to its extensive role in the ge.
Kinetics Etude of the Experimental Leaching of Sphalerite Using Acidic Lixivi...CrimsonPublishersAMMS
The influence of physico-chemical parameters such as acid concentration, temperature, particle size and time of leaching on the chemical dissolution of the sphalerite ore in sulfuric acid was examined. At a temperature of 358 K by 2 mol.l-1 H2SO4, a stirring speed of 300 rpm, initial solid / liquid ratio of 10 g/L and particle size (-125 +63^m), about 99 % of zinc was extracted inside 120min. The experimental data of this leaching technique was established by way of the shrinking core model under chemically reaction controlled processes, the corresponding activation energy for the recovery of zinc Ea calculated from the Arrhenius expression to be 18.63kJ/mole.
1. STUDIES ON MICROBIAL DESULPHURISATION OF COAL FROM
CHINAKURI MINES USING INDIGINEOUS CULTURE
INTRODUCTION
Coal is one of the world’s major sources of energy. In India, coal
provides almost 54% of the total energy consumed. Coal is a
mixture of organic compounds and mineral matter or impurities like
sulphur and iron. These impurities when burned form non
combustible residues known as ashes and volatile oxides of sulphur
and iron leading to environmental pollution. Therefore cleaning of
coal which constitutes of desulphurization, and coal processing
comprising of Depolymerization has to be done.
ABSTRACT
The present work describes about the isolation of microorganism from
the coal sample of Chinakuri mines, Eastern coalfields Ltd, West Bengal
and seeing the effect of bacterial culture on bioleaching of sulphur and
iron from respective coal sample and optimization of various parameters
like pH , particle size, slurry concentration,and temperature .The
various parameters were checked for different values and optimized
value at which maximum biodesulphurisation takes place was recorded
Rod shaped bacteria was observed on seeing under the microscope
The various optimized process parameters were found to be 101-150 um
particle size, 5% w/v slurry concentration,pH 1.9 and the temperature
was 300 C.
OBJECTIVE
To remove iron and sulphur from Chinakuri mines coal sample
Optimization of process variables for removal of iron and sulfur
Determination of sulphate :
To 1 ml of the sample,1 ml of 0.001M barium chloride solution , 2 ml of
glycerol -ethanol solution and 1ml of sodium chloride - hydrochloride acid
was added. The total volume was made upto 10ml in a standard flask with
distilled water. The blank was prepared as mentioned above without the
addition of the sample. The absorbance of the standard and the blank is read
using U3210 Hitachi UV-Visible spectrophotometer at 420nm.
The amount of sulphate in the sample was determined using standard graph
prepared with different concentration of sodium sulphate standard (0 -
100g/ml).
Determination of Iron (Ferron Assay):
1 ml of the sample was drawn from the shake flask and spun at 10,000 rpm for
5 minutes. To 100 l of the supernatant, 5 ml of ferron reagent (7-Iodo-8-
hydroxy-quinoline-5 sulfonic acid solution) was added.The blank was
prepared as mentioned without the addition of the sample .The absorbance
of the sample and the blank was read using U3210 Hitachi UV-Visible
spectrophotometer at 635 nm.
The amount of ferric in the sample was determined using standard graph
prepared with different concentration of ferric chloride standard (0-
150g/ml)
DR.W.RICHARD THILAGARAJ, Ph.D (Asst.Proffessor ,Department Of Biotechnology SRM University)
ASHWIN CHERIAN(10906030) MRIDU PURI ( 10906107 ) RUDRA NARAYAN SARANGI(10906129) SNEHA NIGAM(10906158) SOUMYA PANDEY(10906159) TULIKA CHOPRA(10906184)
MATERIALS AND METHOD
Structure of Coal
CHINAKURI MINES,INDIA
Chinakuri 1/2 pits is a colliery under Eastern coalfield
limited in West Bengal . It is about 1.5 square kilometer in
area and is situated at the bank of Damodar river. It has
population of about 8000.It has the deepest coal mines of
Asia.It is 2100 feets deep. The production capacity of the
mines is 300 tones per day. The coal sample from these
mines are semi coking Grade ‘A’ coal. The Coal from
these mines are supplied to the steel industries like
IISCO,Burnpur.
Optimization of parameters
Particle size
Slurry concentration
pH
Temperature
Mechanism:
Direct oxidation:
4FeS2 + 2H2O +15O2 MICROORGANISM
2Fe2(SO4)3 + 2H2SO4
Indirect Oxidation:
FeS2 + 14 Fe3+ +8 H2O ®
15 Fe2 + 2SO4
2- + 16H+
Fe2+ + 2H+ + ½O2 microorganism 2Fe3+ +
H2O
0
1
2
3
4
5
6
7
8
9
10
0 1 2 3 4 5 6 7 8DAYS
CONCENTRATION(µg/ml)
Control (181-250mm) Expt.(181-250mm) Control (101-151mm)
Expt.(181-250mm) Control (54-90mm) Expt.(54-90mm)
0
5
10
15
20
25
0 1 2 3 4 5 6 7 8DAYS
CONCENTRATION(µg/ml)
Control 1% Expt 1% Control 5%
Expt 5% Control 10% Expt 10%
0
50
100
150
200
250
300
350
0 1 2 3 4 5 6 7 8
DAYS
CONCENTRATION(µg/ml)
Control 30°C Expt. 30°C Control 35°C Expt. 35°C
RESULT AND DISCUSSION
Optimized particle size 101-151 m
Optimized Slurry Conc. 5% w/v
Optimized pH 1.9
Optimized Temperature 300 C
Total Iron removal - 40.8%
Total Sulphur removal - 5.3 %
References:
1. Dhomodran R.K 1997:’Neyveli: lignite mine of Asia 2000
.Centre for Applied Research and Development (CARD-NLC)
publications Vol 7:pp 42-43.
2. Studies on the mechanism and kinetics of bioleaching
Minerals Engineering, Volume 12, Issue 4, April 1999, Pages 383-
392 A. W. Breed and G. S. Hansford
3. Chen,C., and D.Skidmore .1990.'Microbial desulphurization
with thermophilic microorganisms .In Bioprocessing and
Biotreatment of Coal'.Ed.D.l.Wise,New. Ed.D.l.Wise, New York:
Marcel Dekker,Inc, Inc. pp653
4. DSMZ catalog (1993) 5th Ed., pp. 384-387.
Acknowledgment:
Our Special Thanks To
Dr. K. Ramaswami, Dean
Dr. Mohd. Ali, HOD
Dr. W. Richard Thilagaraj Asst. Professor