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Personne àcontacter Mr. UTKARSH
27, DOCTORS COLONY, CHHATRAPATI NAGAR, Nagpur, Maharashtra
TREATMENT SYSTEM FOR INDUSTRIAL WASTEWATER The treatment system for the Food, Milk & Dairy Products, Sugar, Alcohol Distilleries, Brewery, Chemical & Pharmaceuticals, Starch, Pulp & Paper, Slaughter house and Tannery, and other low strength wastewaters from Industry consists of an UASB (Up-flow Anaerobic Sludge Blanket Reactor) for anaerobic treatment in which COD and BOD is reduced. Methane rich bio-gas is generated due to reduction of the COD in the UASB. The biogas generated from the anaerobic system ***** UASB is collected in the Biogas holder and is utilized. After anaerobic treatment the further reduction of COD and BOD will be achieved by aerobic treatment ***** extended aeration system. The treated water can be utilized for irrigation purpose. The major requirements of wastewater treatment technology are acceptable effluent quality attainable within short hydraulic retention time, low operational cost, the capability to sustain shock loads, and simplicity of the operation and maintenance. The biological wastewater treatment offers one of the major steps in removing the biodegradable organic pollutants present in many industrial wastewaters. Two major alternatives in biological treatment are aerobic and anaerobic wastewater treatment processes. The aerobic mode of wastewater treatment was favoured in the past, as this was considered reliable, stable and was meeting the requirements mentioned above. In the recent times, power costs have been increasing dramatically, there by increasing the costs of operating an aerobic treatment system. Large amount of power is required to operate aerobic systems for aeration and mixing. Conversely, the power requirement for anaerobic processes is relatively low. In addition, valuable by-product such as methane gas can be recovered in anaerobic mode of treatment. This in certain cases can considerably reduce the cost of treatment.
