Industrial Wastewater Sewage Treatment Plant, 1 MLD

Industrial Sewage Treatment Plant is the process of removing contaminants from wastewater, primarily from household sewage. Physical, chemical, and biological processes are used to remove contaminants and produce treated wastewater that is safer for the environment.

It can be observed that the generation of industrial wastewater is overwhelming due to rapid development of various industries which produce their own particular combination of pollutants that are extremely contaminating the surrounding environment. Hence, environmental rules have directed all the industrial units to implant effluent treatment plants to curb the direct release of untreated wastewater in water bodies.

Industrial effluent is any wastewater that is produced by various industrial activities. The quality of industrial effluent/wastewater varies from one industry to another is responsible for the degradation of receiving water sources. In other words, treating all kinds of effluents originating from various industries using an industrial ETP/Effluent Treatment Plant is extremely desirable.

Industrial effluent treatment is the effective process of treating wastewater that is highly contaminated by industrial wastes, making it fit for reuse or disposal/discharge back to the natural environment.

Sewage contains a huge amount of organic matter which is toxic. Microorganisms are widely used in the sewage treatment plant for removing this toxic organic matter. Sewage or wastewater treatment plant consists of two stages.

• Primary Treatment

It involves the removal of large or small-sized components in the wastewater through physical processes.

• Biological Treatment:

Aerobic microorganisms are inoculated into the sewage treatment plant. These microbes utilize the organic components of the sewage and reduce the toxicity. This can be measured by BOD (Biological oxygen demand).

After the biological treatment, the sludge is pumped from the treatment plant into a large tank. This large tank consists of anaerobic bacteria which lead to the digestion of sludge. During digestion, biogas is produced and it is used as an energy source. Hence, Sewage treatment plant design and sewage management play a crucial role in the maintenance of human welfare.

Microorganisms which are involved in the production of energy are called microbial fuel cells. Microbial fuel cells are used to generate a variety of energy sources like biogas and electricity. Agricultural waste, manure, and domestic wastes are used as raw materials for the generation of biogas. Biogas generation is done in the large concrete tank which is called a biogas plant.

Biomasses (Biowastes) are collected at the biogas plant and the slurry is fed. Biomasses are rich in organic matter. Some of the bacteria can grow anaerobically inside the biogas plant. These bacteria can digest the biomasses which are present in the slurry and sewage. During digestion, a huge amount of mixture of gasses is released inside the tank. The mixture of these gasess is called the biogas. Biogas is removed from the biogas plant through a separate outlet.

Microbial fuel cells are also used to generate electricity from wastewater. Microbial fuel cells utilize the organic matter from the wastewater treatment plant. During digestion, organic matters are converted into the simple molecule and release the carbon dioxide and electrons. Those electrons are absorbed by the electrode and used as the source of electricity.