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Water Treatment

BWSSB seeks S'pore help in recycling waste water

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Deccan Herald               28.05.2013

BWSSB seeks S'pore help in recycling waste water

Bangalore Water Supply & Sewerage Board (BWSSB), on Monday, called upon team of Singapore officials to prepare an action plan to successfully implement the recycle and reuse reclaimed water in Bangalore.

At a joint workshop with Singapore Cooperation Enterprise, on ways to reduce losses and leakage control, BWSSB Chairman Gaurav Gupta exhorted Singapore officials to provide “specific plans for developing capabilities to use treated sewage as a sustainable source of water.”

Further, he said, in a press note, that it was necessary to carry out public out-reach programmes six months before the implementation of recycle and reuse project.

“People have accepted the concept of recycle and reuse of reclaimed water to some extent and it is feasible. We have to work on safety  measures that are to be implemented before undertaking the project,” Gupta said.

BWSSB and Singapore Co- operative Enterprise had entered into a Memorandum of Understanding for developing capabilities for alternate sources of water through recycle and reuse of reclaimed water for Bangalore on October 9, 2012.

Under this three workshops, two in Bangalore and one in Singapore, have already been conducted, educating BWSSB officials about the various aspects of recycling and reusing of the used water.

Another workshop is currently on in City, wherein technical  issues related to feasibility report is being discussed besides exploring various means to educate the public with the involvement  of NGOs on the issue.
 

Decks cleared for STP at Autonagar

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The Hindu               28.05.2013

Decks cleared for STP at Autonagar

G.V.R. Subba Rao

MBBR technology to be used for construction of the plant

A first of its kind Sewerage Treatment Plant (STP) will come up at Autonagar in the city shortly. The Vijayawada Municipal Corporation (VMC) has cleared decks for construction of the STP with Moving Bed Biofilm Reactor (MBBR) technology.

The STP is estimated to cost Rs.10 crore and will cater to the needs of 90,000 people in and around Autonagar. The corporation will invite tenders shortly for construction of the STP with a capacity of 10 MLD. The proposed STP is one of the treatment plants taken up under the Jawaharlal Nehru National Urban Renewal Mission (JNNURM) programme in the city.

Unlike other STPs where anaerobic process is involved, the MBBR uses aerobic process. Hitherto, the VMC had constructed the STPs with Upflow Anaerobic Sludge Blanket (UASB) technology. The new method makes it possible to attain good efficiency results of disposal with low energy consumption and the process is used for the removal of organic substances.

The biological oxygen demand has to be less than 30 to meet the national standards. These standards could be met with the MBBR technology. The STP is cost-effective, efficient, environment friendly and will bring down expenditure on the power and maintenance, according to officials.

The VMC will construct four STPs and six sump-cum-pump houses under the JNNURM programme in the city. The corporation has planned to construct two STPs at Jakkampudi and another two at Ajithsingh Nagar. The VMC constructed a 40 MLD STP at Ajitsingh Nagar replacing a 27 MLD STP constructed decades ago.

Another two STPs, each with a capacity of 20 MLD, have been taken up under the JNNURM. A 20 MLD STP at Ramalingeswara Nagar has already been completed, while an STP at Jakkampudi is nearing completion, and remaining are in different stages. The works have come to a grinding halt ever since the government froze the release of funds.

 

BWSSB sewage line work

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The Hindu              27.05.2013

BWSSB sewage line work

Bangalore Water Supply and Sewerage Board (BWSSB) will take up sewage line clearing work on Tuesday at LLR Chikka Lalbagh, Banappa Park areas of Central 1 sub-division (Ph: 9845444081) and Kethamaranahalli, Mahalakshmi Layout, Rajajinagar 1 and 2, Nandi Layout 1 areas coming under North West sub-division (Ph: 9845444064). People covered by these sub-divisions can call the respective phone numbers to lodge their complaints, said a BWSSB release.

 


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