The document summarizes research optimizing batch reactor systems to remove organic carbon from wastewater. Four reactors were tested - two anaerobic and two aerobic. The anaerobic reactors achieved an average 83% COD removal, while the aerobic reactors achieved a higher average 93% reduction. Water quality parameters and COD levels over time were monitored. The results indicate that a large-scale aerobic reactor would be most suitable for maximum organic compound removal.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
YSI Activated Sludge - 3 Things You Need to Know to Improve Process ControlXylem Inc.
Join YSI’s wastewater expert, Dr. Rob Smith, as he discusses activated sludge at municipal water resource recovery facilities. Dr. Rob will review the three things you should know about activated sludge in water resource recovery facilities.
Optimization of the activated sludge process requires careful management of three critical parameters: aeration, sludge wasting, and sludge recirculation. Over the years, wastewater professionals have based their decisions on measurements from batch tests applied to grab samples. The batch measurements are representative of the process but are limited in frequency and subject to interpretation.
On the other hand, direct measurement of water chemistry is performed in the laboratory for demonstrating permit compliance on composited influent and effluent samples. The laboratory measurements provide measurements of important variables like oxygen, solids, ammonium and nitrate, but they are also limited in frequency and the samples are not representative of the process.
Online process monitoring provides the best of both strategies by directly measuring the important variables in representative samples continuously. This webinar discusses online process monitoring and control of activated sludge. Topics include:
1. Measurement principle
2. Operation and maintenance
3. Applications for energy conservation and nutrient removal.
his study investigated the microbial community in a full scale anaerobic baffled reactor and sequencing batch reactor system for oil-produced water treatment in summer and winter. The community structures of fungi and bacteria were analyzed through polymerase chain reaction–denaturing gradient gel electrophoresis and Illumina high-throughput sequencing, respectively. Chemical oxygen demand effluent concentration achieved lower than 50 mg/L level after the system in both summer and winter, however, chemical oxygen demand removal rates after anaerobic baffled reactor treatment system were significant higher in summer than that in winter, which conformed to the microbial community diversity. Saccharomycotina, Fusarium, and Aspergillus were detected in both anaerobic baffled reactor and sequencing batch reactor during summer and winter. The fungal communities in anaerobic baffled reactor and sequencing batch reactor were shaped by seasons and treatment units, while there was no correlation between abundance of fungi and chemical oxygen demand removal rates. Compared to summer, the total amount of the dominant hydrocarbon degrading bacteria decreased by 10.2% in anaerobic baffled reactor, resulting in only around 23% of chemical oxygen demand was removed in winter. Although microbial community significantly varied in the three parallel sulfide reducing bacteria, the performance of these bioreactors had no significant difference between summer and winter.
Evaluation of Anaerobic Fluidized Bed Reactor for treating Sugar mill effluen...IJERA Editor
Anaerobic treatment processes are credible options for providing sustainable treatment to biodegradable waste streams. The Anaerobic Fluidized Bed Reactor (AFBR) is an evolving process that requires waste specific design methodologies based on kinetics of the specific process. The research was precisely an experimental study on AFBR having23.56 litres of effective volume to evaluate its treatment performance and gas recovery in terms of Chemical Oxygen Demand (COD), Hydraulic Retention Time(HRT)and Organic Loading Rate (OLR). The synthetic sugar influent COD was variedfrom 1500 to 4000 mg/lit. The OLR for the operating flow rates were ranged from 1.36 to 28.8 Kg COD/m3.day for HRT varied from 3.2 to 24 hrs. The maximum COD removal efficiency is 90.06 at an operating OLR of 3.42 Kg COD/m3.day. The maximum biogas yield was observed at 0.28 m3/kg COD removed.
SOLVENT EXTRACTION AND ADSORPTION TECHNIQUE FOR THE TREATMENT OF PESTICIDE EF...civej
Solvent extraction and adsorption techniques are effective methods for the removal of pesticides like DDT
and Dicofol from the waste water. Study was conducted using 3 different solvents- Ethylene dichloride
(EDC), Monochlorobenzene (MCB) and Hexane to optimise parameters like effluent to solvent ratio,
agitation speed, agitation time and settling time to attain maximum removal of pesticides by solvent
extraction process. MCB was found to be the best solvent when compared to other two solvents using the
optimised parameters. The activated carbon (8 x30) is an effective adsorbent for the removal of DDT and
Dicofol. The material have good adsorptive capacity and follows Freundlich model. The optimum
adsorbent dose was observed as 2 gm/100ml and optimum contact time needed to reach the equilibrium
was observed as 3 hr. Column study was conducted with the synthetic effluent after solvent extraction.
Combination of solvent extraction process and adsorption technique was very effective for the removal of
Dicofol and DDT with an efficiency of 99 % and 97 % respectively.
Review of research on bio reactors used in wastewater ijsit 2.4.6IJSIT Editor
The review presented in this paper focuses on reactors used in wastewater treatment for bio
hydrogen production (e.g. batch reactors, complete mix reactors, plug flow reactors, bio-film reactors,
suspended reactors, upflow anaerobic sludge blanket reactor, anaerobic baffled reactors, upflow packed-bed
attached growth reactors, attached growth fluidized bed reactors, anaerobic sequencing batch reactor, hybrid
/ high rate reactors and membrane separation reactors. It is clear from the review that development of these
reactors can be considered a grown up research for which good design and scale-up guidelines are available
International Refereed Journal of Engineering and Science (IRJES)irjes
International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications
YSI Activated Sludge - 3 Things You Need to Know to Improve Process ControlXylem Inc.
Join YSI’s wastewater expert, Dr. Rob Smith, as he discusses activated sludge at municipal water resource recovery facilities. Dr. Rob will review the three things you should know about activated sludge in water resource recovery facilities.
Optimization of the activated sludge process requires careful management of three critical parameters: aeration, sludge wasting, and sludge recirculation. Over the years, wastewater professionals have based their decisions on measurements from batch tests applied to grab samples. The batch measurements are representative of the process but are limited in frequency and subject to interpretation.
On the other hand, direct measurement of water chemistry is performed in the laboratory for demonstrating permit compliance on composited influent and effluent samples. The laboratory measurements provide measurements of important variables like oxygen, solids, ammonium and nitrate, but they are also limited in frequency and the samples are not representative of the process.
Online process monitoring provides the best of both strategies by directly measuring the important variables in representative samples continuously. This webinar discusses online process monitoring and control of activated sludge. Topics include:
1. Measurement principle
2. Operation and maintenance
3. Applications for energy conservation and nutrient removal.
his study investigated the microbial community in a full scale anaerobic baffled reactor and sequencing batch reactor system for oil-produced water treatment in summer and winter. The community structures of fungi and bacteria were analyzed through polymerase chain reaction–denaturing gradient gel electrophoresis and Illumina high-throughput sequencing, respectively. Chemical oxygen demand effluent concentration achieved lower than 50 mg/L level after the system in both summer and winter, however, chemical oxygen demand removal rates after anaerobic baffled reactor treatment system were significant higher in summer than that in winter, which conformed to the microbial community diversity. Saccharomycotina, Fusarium, and Aspergillus were detected in both anaerobic baffled reactor and sequencing batch reactor during summer and winter. The fungal communities in anaerobic baffled reactor and sequencing batch reactor were shaped by seasons and treatment units, while there was no correlation between abundance of fungi and chemical oxygen demand removal rates. Compared to summer, the total amount of the dominant hydrocarbon degrading bacteria decreased by 10.2% in anaerobic baffled reactor, resulting in only around 23% of chemical oxygen demand was removed in winter. Although microbial community significantly varied in the three parallel sulfide reducing bacteria, the performance of these bioreactors had no significant difference between summer and winter.
Evaluation of Anaerobic Fluidized Bed Reactor for treating Sugar mill effluen...IJERA Editor
Anaerobic treatment processes are credible options for providing sustainable treatment to biodegradable waste streams. The Anaerobic Fluidized Bed Reactor (AFBR) is an evolving process that requires waste specific design methodologies based on kinetics of the specific process. The research was precisely an experimental study on AFBR having23.56 litres of effective volume to evaluate its treatment performance and gas recovery in terms of Chemical Oxygen Demand (COD), Hydraulic Retention Time(HRT)and Organic Loading Rate (OLR). The synthetic sugar influent COD was variedfrom 1500 to 4000 mg/lit. The OLR for the operating flow rates were ranged from 1.36 to 28.8 Kg COD/m3.day for HRT varied from 3.2 to 24 hrs. The maximum COD removal efficiency is 90.06 at an operating OLR of 3.42 Kg COD/m3.day. The maximum biogas yield was observed at 0.28 m3/kg COD removed.
SOLVENT EXTRACTION AND ADSORPTION TECHNIQUE FOR THE TREATMENT OF PESTICIDE EF...civej
Solvent extraction and adsorption techniques are effective methods for the removal of pesticides like DDT
and Dicofol from the waste water. Study was conducted using 3 different solvents- Ethylene dichloride
(EDC), Monochlorobenzene (MCB) and Hexane to optimise parameters like effluent to solvent ratio,
agitation speed, agitation time and settling time to attain maximum removal of pesticides by solvent
extraction process. MCB was found to be the best solvent when compared to other two solvents using the
optimised parameters. The activated carbon (8 x30) is an effective adsorbent for the removal of DDT and
Dicofol. The material have good adsorptive capacity and follows Freundlich model. The optimum
adsorbent dose was observed as 2 gm/100ml and optimum contact time needed to reach the equilibrium
was observed as 3 hr. Column study was conducted with the synthetic effluent after solvent extraction.
Combination of solvent extraction process and adsorption technique was very effective for the removal of
Dicofol and DDT with an efficiency of 99 % and 97 % respectively.
Review of research on bio reactors used in wastewater ijsit 2.4.6IJSIT Editor
The review presented in this paper focuses on reactors used in wastewater treatment for bio
hydrogen production (e.g. batch reactors, complete mix reactors, plug flow reactors, bio-film reactors,
suspended reactors, upflow anaerobic sludge blanket reactor, anaerobic baffled reactors, upflow packed-bed
attached growth reactors, attached growth fluidized bed reactors, anaerobic sequencing batch reactor, hybrid
/ high rate reactors and membrane separation reactors. It is clear from the review that development of these
reactors can be considered a grown up research for which good design and scale-up guidelines are available
International Refereed Journal of Engineering and Science (IRJES)irjes
International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications
Parametric Studies on Detergent Using Low Cost SorbentIOSR Journals
: Water is a valued natural resource for the existence of all living organisms. Indian rivers are
polluted due to the discharge of untreated sewage and industrial effluents. Management of the quality of this
precious resource is, therefore, of special importance. In these study industrial effluents samples from the
various detergent factories were collected and analyzed for physicochemical and bacteriological evaluation of
pollution. The use and effectiveness of granular and powder activated carbon made from agricultural waste i.e.
coconut husk and that coconut husk is a suitable adsorbent for such an effluent. Maximum adsorption capacity
is a derived from Langmuir isotherm. A series of fixed bed experiments was carried out and the results were
applied to a bed-depth/service time model for column adsorption. The validity of such a model is discussed. In
the removal of organic matter in wastewater effluents from a industry waste water were investigated. The effect
of process variables such as carbonization temperature, carbonization duration and activation temperature on
the production and quality of activated carbon was studied as well as adsorption capacity was studied
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Anaerobic Digestion of Vinasse cane alcohol: The influence of OLR by a UASB ...IJMER
An Anaerobic Sludge Blanket (UASB) reactor was used to study the treatment of distillery
effluent. Vinasse was used to feed the reactor, although its Chemical Oxygen Demand (COD)
concentration varied during the experiment, the volume utilized to feed the reactor was adjusted to
maintain constant Organic Load Rate (OLR). The UASB reactor was operated with OLR 1, 2, 4 and 6
gCOD/Ld. Removal efficiencies of 76,64,63 and 51% respectively were observed. The reactor responded
with progressive decreases of efficiency with each increase of OLR, the total mass removed increased.
An average biogas production of 1.400, 1.872, 2.17 and 2.172 L to each OLR of 1, 2, 4 and 6 gCOD/Ld,
respectively was observed. The methane content in biogas was 63, 68, 86 and 89% each OLR tested.
Methane production is also followed with values of .892 L to OLR 1 gCOD/Ld, 1.264 L to OLR 2
gCOD/Ld, 1.876 L to OLR 4 gCOD/Ld and 2.900 L to OLR 6 gCOD/Ld.
The UASB reactor operating in continuous mode, it was necessary to evaluate the best conditions for
this type of waste. The treatment of distillery effluents using a UASB reactor is feasible and is an
alternative to treat these wastes in the alcohol industries
Electricity Generation from Biogas Produced in a Lab-Scale Anaerobic Digester...inventionjournals
The sludge produced during wastewater treatment should be stabilized in order to minimize the damage to the environment. This study includes the evaluation of sludge stabilization and biogas formation by anaerobic digestion in order to generate electricity using stirling motor.The study was carried out with the raw sludge form the thickener of the wastewatertreatment plant. The main aim of the study is to provide sludge stabilization resulting biogas production by reduction of organic matter and to generate electricity. Anaerobic digestion studies were carried out using a laboratory scale anaerobic reactor with a volume of 7L.Under themesophilic condition, the sludge age was maintained at 10 days during the first 20 days of operation, while the reactor was operated for 90 days until the end of the run, with a sludge age of 20 days.The results have changed in the range of 42-52% after the organic matter reduction obtained from the anaerobic digestion. Concentrations of 3735.7300 ppm, 5060.5768 ppm, and 6951.4013 ppm biogas were obtained. Biogas was turned on by mechanical energy with a Stirlingmotor and then turned to direct current and the lamps with 3V 20mA each were run for 60 minutes
Research Inventy : International Journal of Engineering and Science is published by the group of young academic and industrial researchers with 12 Issues per year. It is an online as well as print version open access journal that provides rapid publication (monthly) of articles in all areas of the subject such as: civil, mechanical, chemical, electronic and computer engineering as well as production and information technology. The Journal welcomes the submission of manuscripts that meet the general criteria of significance and scientific excellence. Papers will be published by rapid process within 20 days after acceptance and peer review process takes only 7 days. All articles published in Research Inventy will be peer-reviewed.
Evaluation of a Trickle Flow Leach Bed Reactor for Anaerobic Digestion of Hig...LPE Learning Center
Proceedings available at: http://www.extension.org/67604
Colorado is the second highest producer of high solids cattle waste (HSCW) in the United States. Despite the available resources, Colorado currently has only one operational anaerobic digester treating manure (AgSTAR EPA 2011), which is located at a hog farm in Lamar. Arid climate and limited water resources in Colorado render the implementation of high water demanding conventional AD processes. Studies to date have proposed high solids AD systems capable of digesting organic solid waste (OSW) not more than 40% total solids (TS). Lab tests have shown that HSCW produced in Greeley (Colorado) has an average of 89.4% TS. Multi-stage leach bed reactor (MSLBR) system proposed in the current study is capable of handling HSCW of up to 90% TS.
Potential of corn husk leaves for the co removal of phenol and cyanide from w...eSAT Journals
Abstract Application of biosorbents has gained a great importance in the present scenario of waste water purification. The present work concentrates on the potential of biosorbent, Corn husk leaves, for the co-removal of phenol and cyanide from coke waste water by simultaneous adsorption and biodegradation (SAB). The microbe used in the present study is the bacteria of Serratia Sp. The entire SAB process was carried out at 30 0C and for 60 h. Theoptimum process parameters i.e. pH, initial concentration of both phenol and cyanide, adsorbent dose of corn husk leaves were analysed and their impact on the entire process were also studied. At the range of initial concentration of phenol between 100-1000 mg/L and cyanide between 10-100 mg/L, the optimum pH was obtained between 6.5-7 and an optimum adsorbent dose of 6 g/L. Multicomponent adsorption isotherms applied were Non-modified Langmuir, Modified Langmuir, Extended Langmuir and Extended Freundlich. Out of the four isotherms applied non-modified Langmuir isotherm proved to be the best fit for phenol and modified Langmuir isotherm was found to be best fit for cyanide. Phenol showed a removal percentage of 75 % by SAB process and cyanide showed a removal percentage of 83 %. The data was also non-linearly modelled for kinetic studies. Kinetic studies revealed that for both phenol and cyanide simultaneous adsorption and biodegradation took place by physisorption as well as by chemisorption. Surface diffusion is dominating for the simultaneous adsorption and biodegradation of phenol whereas in case of cyanide intraparticle diffusion is the dominating factor. Keywords: biosorbents, corn husk leaves, simultaneous adsorption and biodegradation, optimum.
This presentation talks about biological treatment of leachate & domestic wastewater. Treatment process involves upflow anaerobic sludge blanket reactor. Efficiency achieved was around 90% by using different proportions.
Different Wastewater treatment processes and developmentshhhoaib
An attempt to compare and review the potential future use of three aerobic biological systems, namely:
Conventional Activated Sludge Process (CASP),
Moving Bed Biofilm Reactor (MBBR),
and Packed-Bed Biofilm Reactor (PBBR)
for on-site treatment of wastewater from residential complexes.
Similar to Final CAMP Symposium Poster Design (20)
Different Wastewater treatment processes and development
Final CAMP Symposium Poster Design
1. Results and Discussion
COD Concentration Over Time MLSS Concentration Over Time
OPTIMIZING BATCH REACTOR SYSTEMS FOR SCALE UP IN THE REMOVAL OF ORGANIC CARBON FROM WASTE WATER
Brian Rojas-Lerena, Dr. Mark Matsumoto, Jose Valle, Brian Luck, Vincent Hoang
Department of Chemical and Environmental Engineering,
University of California, Riverside
Abstract
The bench-scale testing of anaerobic and aerobic reactor systems is being
conducted to determine optimum operating conditions for the treatment of a
wastewater containing high concentrations of organic carbon-based chemicals
found in commercial paint stripers. Paint stripers are commonly used by the
military for changing camouflage purposes. The wastewater generated from
paint stripping causes significant problems for municipal wastewater treatment
systems when it is discharged into the sanitary sewer system. The main goal is
to optimize operating conditions of the reactors for the maximum removal of
these organic-based compounds. The primary metric for measuring their
performance is completed by measuring the chemical oxygen demand (COD)
of the influent and effluent after a 24 hour treatment cycle. In this study, four
batch reactors were operated: two anaerobic and two aerobic. Water quality
parameters monitored in these reactors included pH, dissolved oxygen (DO),
alkalinity, turbidity, and total and volatile suspended solids (TSS, VSS). Both
anaerobic reactors were heated to 35°C to provide favorable bacteria
conditions, while the aerobic reactors were not. Data has shown that the
anaerobic reactors perform at an average 83% COD removal, while the aerobic
reactors perform at an average 93% reduction. These data implicates that the
implementation of a large-scale aerobic reactor, for the purpose of the
maximum removal of these organic compounds, is more suitable.
Introduction
Anaerobic and aerobic batch reactor systems are commonly used for the
treatment process of organic-based compounds found in municipal wastewater.
However, the problem concerning these systems is their biological sensitivity to
changes in the environmental conditions around them. One specific condition is
the introduction of high concentrations of these organic-based compounds
found in painter strippers that are primarily used at a military base in Georgia to
remove paint from their vehicles and aircrafts. Our study is primarily focused on
optimizing the performance of our reactors by utilizing a batch that can be
biologically sustainable under this occurrence. Our research will be
implemented by the military for the purpose of the degradation and removal of
these compounds, from municipal wastewater, with the use of a large-scale
reactor built based on the results that we have collected.
Methods
My research includes working with 4 reactors: 2 anaerobic and 2 aerobic. The
reactors are numbered 2, 4, 5, and 6.
Reactors 2 and 4 are kept under anaerobic conditions and heated to 35°C.
Reactors 5 and 6 are kept at room temperature and under aerobic conditions
Feeding
A feed is created to sustain and maintain the biological bacteria in each reactor.
The feed contains:
18g of B & B Tritech solution (Benzene Alcohol, Hydrogen Peroxide, Aromatic
Petroleum Distillate)
24g of commercial fertilizer (containing a 10P:10K:10N ratio)
17L of tap water
The feed is stirred using a stir plate and magnetic bar before and during
feeding at 400rpm to ensure a well mixed solution. Before feeding, the reactors
are turned off by an automated timer to allow for a 3 hour settling time for each
reactor. After the each reactor has settled, effluent is extracted from each
reactor and emptied to a certain level. The reactors are then refilled with the
feed back to their appropriate levels. Feeding occurs while the reactors are
mixing to allow for the reactors optimal uptake of nutrients within the feed.
Chemical Oxygen Demand (COD) Test
A COD digester is used for the first part of this test High range (HR) COD vials
are prepared by mixing 2ml of filtered sample from each reactor with solution
containing mercury and acids, such as sulfuric acid. Vials, including one blank,
are incubated for 2 hours before a COD reading can occur. After the incubation,
A DR 1900 Spectrophotometer is used to read the COD from each vial.
Mixed Liquor Suspended Solids (MLSS) Test
An MLSS test is conducted to test for how will the bacteria are degrading the chemical
and how stable the reactor is doing relative to how much concentration is being
accumulated over time. During mixing, sample is collected from each reactor and then
filtered. After the filtration, each filter is heated to 550°C for 30 minutes. The filters are
then weighted. The filters are heated once again, however at 105°C for 1 hour. The
filters are then weighed again.
Water quality
DO, pH, TSS, Turbidity, and alkalinity are water parameters tested to check the quality
of the water in each reactor. DO and pH is tested with the use of a DO meter and pH
probe. TSS is tested by using a filtration apparatus to filter 50ml of sample from each
reactor. The samples are run through their own filters, which are weighed before
filtering. After the samples are filtered, the filters are heated to 105°C for 1 hour, and
then are reweighed. Alkalinity is tested by diluting 25ml of each filtered sample with
diluted sulfuric acid to a pH of 4.3. Turbidity is tested by placing 25ml of unfiltered
sample from each reactor through a turbidity meter.
Filters are pre-heated to 105°C for 1 hour before use.
Current Removal Rates:
Reactor 2 removal rate: 85%
Reactor 4 removal rate: 82%
Reactor 5 removal rate: 92%
Reactor 6 removal rate: 93%
The aerobic reactors are removing COD more efficiently compared to anaerobic removal
rates. This data supports the decision for a large-scale aerobic reactor to be
implemented by the military base in Georgia. The fluctuation in the beginning might be
due to different concentrations of feed being implemented. The reactors have now
reached a stable form.
Acknowledgements
I would like to thank Dr. Matsumoto and Jose Valle for advising my poster material, as
well as for allowing me to work under them to conduct this research. I would like to thank
all the undergraduates as well, whose work contributed to collecting this data: Joanna
Vasquez, Brian Luck, and Vincent Hoang. I would also like to thank NSF, UCR and
CAMP for funding my research.
Most Recent Concentration Levels
Reactor 2: 4180 mg/L
Reactor 4: 8140 mg/L
Reactor 5: 1460 mg/L
Reactor 6: 3680 mg/L
This data shows the concentration levels of each reactor from the specific date the test
was conducted. Levels have fluctuated for each reactor but reactors are stable and
necessary action is taken to ensure the performance of each individual reactor.
Reactor 6
Aerobic
Reactor 4
Anaerobic
Reactor 2
Anaerobic
Reactor 5
Aerobic
Editor's Notes
Intro:
Find sources that includes that can back up my statements.
Diagrams:
Include more diagrams to visualize a batch reactor (batch reactor, large scale aerobic reactor).
Include temperature and volume. (300 gal/day)
Feeding:
Include chemicals in feed (Benzene Alcohol, Hydrogen Peroxide, Aromatic Petroleum Distillate)
Graphs:
Minimize the MLSS data from the start of Fall quarter.
MLSS: capitalize L
Include COD removal rates of other reactors. (Temperature and removal rate changes, optimization)
Acknowledgements:
Krieger Family Laboratory for funding the lab(2013).
Note: The sludge gathered from the water treatment plant is very concentrated (organics, too high COD?) so it needs to be diluted (DI water?). From diluting, feeding the next day brought down the concentration in reactors.
Operator Error:
Inconsistent feeding time
Different chemical concentration levels