Pune: The Pune Cantonment Board (PCB) is now setting up its first Sewage Treatment Plant (STP) for 50,000 residents on the banks of Mutha river. The board officials claim it is the first such plant where the basins of STP are constructed one above the other and C-Tech technology will be used to release treated
On April 15, the STP will start taking the sewage into the plant. For three months, trial runs will be held and later, it will start on a regular basis.
PCB Chief Executive Officer DN Yadav told Sakal Times that it is the first such project in the country where the basins for treating water are located one above the other. All other STPs are constructed side-by-side.
Yadav explained that space constraint was the main reason why they opted for such a design. He said, “Only one acre space was available to construct the plant. This new plant will have C-Tech technology which is a Cyclic Activated Sludge Treatment process. It provides highest treatment efficiency possible in a single-step biological process.”
The project took four years to complete after the tender was released in 2013. Yadav said, “In 2016, the work order was released and after that, the work started gradually.”
- This new STP is situated at 900, Bootee Street and it will treat 20 million litres per day (MLD) of sewage of 50,000 population.
- The current generation of sewage is 11 MLD, which was being released untreated directly into the Mutha river, MB Sable, Assistant Executive Engineer of PCB said.
- Among PCB’s pending projects is a 2017 proposal to install two STPs in Wanawadi and Ghorpadi, which will release treated water into Bhairoba Nala.
What is C-Tech process?
The system is operated in a batch reactor mode and eliminates inefficiencies of continuous processes. A batch reactor is a perfect reactor, which ensures 100 per cent treatment. Two or more modules are used. The complete process takes place in a single reactor, within which all biological treatment steps take place sequentially. The complete biological operation is divided into cycles. Each cycle is of 3 to 5 hours duration.