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PURE WATER FOUNDATION CHENNAI Green Initiatives – Sludge and Septage Management by Dr.S.S.Sivakumar & Jennifer Pandiyan.

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Presentation on theme: "PURE WATER FOUNDATION CHENNAI Green Initiatives – Sludge and Septage Management by Dr.S.S.Sivakumar & Jennifer Pandiyan."— Presentation transcript:

1 PURE WATER FOUNDATION CHENNAI Green Initiatives – Sludge and Septage Management by Dr.S.S.Sivakumar & Jennifer Pandiyan

2 WASTE AS A RESOURCE Resource use output + waste Reuse of waste more output + lesser waste Lesser waste zero waste

3 POTENTIAL OF SLUDGE Class I metropolitan cities (35) alone 40000 m3 per day of sludge are produced. 146 lac tones of biosolids fertilizer per annum which compares very favorably India’s total chemical fertilizer output per annum. Apart from its environmental benefits, if it can be sold just Rs2/kg the revenue would be Rs2920 crores/annum.

4 Initiative of our organisation Currently we are selling biosolids(US-EPA norms) to the farmers in Tamilnadu at Rs2/ to Rs5/ per kg. In addition, we are selling organic (FCO norms) soilless potting mix and growth nutrients for plants to urban customers as part of sustainable waste management process. Given full participation of all stake holders concerned, we should be able to sell 6 lac tones per year.

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7 POTENTIAL OF WASTE WATER Class I metropolitan cities (35) alone  20000 mld of treated water is available  2000 medium-large size irrigation tanks can be filled up each day with 11 months of irrigation  2.64million acres of land can be irrigated at 7000 ltrs/acre every day

8 Initiative of our organisation We started a comprehensive water management program among farmers in Chengelpet using only treated waste water for cultivation. In the pilot we’ve started with 2 types of crops. Treated water will be transported by trucks and stored in the farm.

9 SEPTAGE MANAGEMENT Outside of class I cities, most of class II and peri-urban areas are terrains of septage. In 2009, there were 100 million septic tanks all over the country at an average of 3000 ltrs septic tank. This translates itelf into 3 lac million ltrs of septage vastly higher than what class I cities produced.

10 SEPTAGE MANAGEMENT contd… There is no national plan for the use of this asset. We are preparing a plan for pilot 1 mld Common Septage Treatment Facility(CSTF), to be submitted to the government. Economically the earnings from CSTF will pay for its cost both CAPEX and OPEX. The organizational model will be that of Social Business, involving all the stakeholders.

11 THANK YOU!


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