The MC’s Sanitation Committee wants to modernise the water treatment system. They are considering two types of ultra-modern technology and want to see the systems in action.
Members of the Municipal Corporation’s Sanitation Committee are planning to visit Mumbai and Delhi to acquaint themselves with sewerage treatment systems using Membrane Bioreactor technology and with the Sequencing Batch Reactor technology.
Membrane bioreactor, or MBR for short, is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population equivalent (i.e. 48 MLD).
In the Sequencing Batch Reactor technology, water purification occurs sequentially in the same tank in six separate steps. The old conventional process used several tanks. Due to the batch charging of the tanks, continuous wastewater treatment demands that an SBR plant consists of various SBRs and/or of a buffer tank. The SBR process is extremely flexible and suited to all types of wastewater and plant capacities.
Deputy Mayor Satish Kainth explains that Chandigarh’s present sewage treatment technology is obsolete.The new technology is totally computersided and requires less space than the old technology.
Kainth admitted that updating the city’s sewage treatment plant would be expensive initially but argued that going in for modern technology would prove to be an economical choice in the long term.
Chief Engineer SS BIda favours SBR technology because it less expensive. He notes that councilors are keen to go for the latest MBR technology but urges committee members to see both systems and weigh all factors before recommending one or another..
Do the committee members really need to visit Delhi and Mumbai to see the latest technology at work? Maybe not. Such plants are purchased from large companies. Given the cost of the purchase, the companies would surely be willing to send their representatives to Chandigarh to give a detailed presentation on the system and answer all questions.
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