Aerobic sequential batch reactor for domestic sewage treatment: parametric optimization and kinetics studies
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Neela Acharya
and
Parmesh Kumar Chaudhari
Abstract
Domestic sewage (DS) was first treated in aerobic sequential batch reactor (SBR). In order to increase the treated water quality, DS from SBR was further treated using electrocoagulation (EC) and Ion exchange (IE) process. In the SBR study, process parameters such as hydraulic retention time (HRT) and reactor fill time (t f ) was optimized at various volume exchange ratio (VER) of 0.534, 0.4, 0.266, and 0.133. The best HRT and t f were observed to be 0.78 day (d) and 2 h, respectively, providing 72.37% chemical oxygen demand (COD) reduction (initial value of COD = 270 mg/dm3). Kinetics of biodegradation in SBR was also studied. The second stage treatment was performed in EC reactor at 1 ampere (A) current for 30 min electrolysis time (tR). EC reactor, further reduced COD and biological oxygen demand (BOD) up to 72 and 21 mg/dm3 from its average initial COD and BOD of 94 and 23 mg/dm3, respectively. Second stage treatment in IE process reduced hardness, sulphate, and phosphate up to 15, 0.05, and 0.13 mg/dm3 from its initial value 350, 5.48 and 1.16 mg/dm3, respectively. The treated water can be used as potable water after disinfection as its water quality is near to river water.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: Sending my original work paper and agreed for this publication without any conflict.
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Articles in the same Issue
- Frontmatter
- Articles
- Removal of iron and sulphate during acid mine drainage treatment using laboratory successive alkalinity producing system and its behavioural relationship
- Biodegradation of acid red 3BN dye in sequential batch reactor: parameters and kinetics studies
- Aerobic sequential batch reactor for domestic sewage treatment: parametric optimization and kinetics studies
- Activated sludge bio-aerobic process to treat sugar industry effluent
- Catalytic thermolysis at atmospheric pressure followed by adsorption in treatment of coking wastewater
- Microwave-assisted preparation of polyphosphoric acid in a continuous-flow reactor
- Multi-objective optimization of an industrial slurry phase ethylene polymerization reactor
- High power microbial fuel cell operating at low temperature using cow dung waste
- Computational analysis of the particle size effect on the pressure profiles and type of flow regimes of TiO2 microparticles in a fluidized bed
Articles in the same Issue
- Frontmatter
- Articles
- Removal of iron and sulphate during acid mine drainage treatment using laboratory successive alkalinity producing system and its behavioural relationship
- Biodegradation of acid red 3BN dye in sequential batch reactor: parameters and kinetics studies
- Aerobic sequential batch reactor for domestic sewage treatment: parametric optimization and kinetics studies
- Activated sludge bio-aerobic process to treat sugar industry effluent
- Catalytic thermolysis at atmospheric pressure followed by adsorption in treatment of coking wastewater
- Microwave-assisted preparation of polyphosphoric acid in a continuous-flow reactor
- Multi-objective optimization of an industrial slurry phase ethylene polymerization reactor
- High power microbial fuel cell operating at low temperature using cow dung waste
- Computational analysis of the particle size effect on the pressure profiles and type of flow regimes of TiO2 microparticles in a fluidized bed
