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Posted at: Dec 5, 2018, 12:50 AM; last updated: Dec 5, 2018, 12:50 AM (IST)

Rs 30-cr STP to help refill F’bad lake

Rs 30-cr STP to help refill F’bad lake

Bijendra Ahlawat

Tribune News Service

Faridabad, December 4

The state government has given its nod for the construction of an STP (sewage treatment plant) as part of the water refilling project for the famous Badkhal lake here. Spread over 45 acres of land in foothills of Aravallis, the lake has been lying dried up for the past 20 years.

“The decision to construct the STP came up recently after a report submitted by a team of experts which had conducted a geo-technical survey of the land,” said sources in the Municipal Corporation Faridabad (MCF).

As it was concluded that an STP of the capacity of 10 MLD (million litres per day) was adequate for the purpose, the final nod to the move came recently from the Urban Local Bodies (ULB) Department, which is coordinating the smart city project here.

“We have sanctioned the STP that would be built with the ‘sequencing batch reactors’ technique,” said Anand Mohan, Principal Secretary, ULB.

The discharge from the STP will be able to fill the lake up to six metres in 300 days, it is claimed. “We have released the tender for the STP and the work is likely to start in a month,’’ said Mohammed Shayin, Commissioner, MCF.

A total of Rs 30.71 crore will be spent on the STP, which will provide treated water not only for the lake, but also for other purposes in the area, it is added. A survey was carried out by a team of experts from the IIT Roorkee in October. “With a budget of Rs 79 crore the lake will regain its original shape in 2020,’’ said Seema Trikha, MLA, Badkhal.

The SBR technique with which the STP would be built is a type of activated sludge process for the treatment of wastewater. Reactors treat wastewater or output from anaerobic digesters or mechanical biological treatment facilities in batches. Oxygen is bubbled through the mixture of wastewater and activated sludge to reduce the organic matter (measured as biochemical oxygen demand and chemical oxygen demand).

The treated effluent may be suitable for discharge to surface water and multipurpose use.

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