Treatmet of toilet wastewater by membrane bio reactor technology

Environmental management

Recent evidence indicates that india is heading towards major sanitation crisis in the coming years. 65% of the population is not having toilet facilities. for example , nearly half of India’s 1.2 billion people have no toilet at home. Accocrding to report of the WHO/UNICEF’s joint monitoring programme on sanitation for the Millenium Development Goals on 6 th March, 2012, has also indicated that 59% Indians still do not have access to toilets . Over this half of the homes not having toilet because of the lack of water supply facilities in their area.36% of homes have to fetch water from a source located within 500 meters in rural area and 100 meters in urban area. Defence Research and Development Organisation (DRDO) has introduced bio toilet to reduce the water problem in toilet flushing. they built Bio digester facility for toilet water treatment .which is a part of “Swachh Bharat Abhiyan”. They have facilities to treat the water by bio digester but the treated water can not be reused but using morden technology we can use treated water for benificial purpose with efficient wastewater treatment. For the reuse of water from toilet we can use the morden technologies,MBR is an efficient process which gives the proper solution to wastewater that it can be use for flushing which can solve the problem of use of water in toilet.The membrane component of the MBR process eliminates the need for a clarifier and is performed using membranes such as microfiltration (MF) or ultrafiltration (UF). MBR technology offers several advantages to conventional wastewater treatment including reduced footprint, consistent and superior effluent water quality and ease of operation. For many areas, it is necessary to further treat the sewage making it useable for irrigation, industrial, and some other beneficial uses

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