SATURDAY 28 APRIL 2018 HYDERABAD | PAGES 16 Hyderabad Metropolitan Development Authority Commissioner Chiranjeevulu interacting with NACOF member HMDA ropes in new method to clean Hussainsagar Lake ANERI SHAH Hyderabad: Hyderabad Metropolitan Development Authorities (HMDA) made yet another attempt to clean the Hussainsagar Lake and find a solution to the unnerving foul smell. This time, the HMDA along with a private firm NACOF, decided to use latest effluent treatment methods to address the contentious problem. The procedure will not only kill the algae, pollutants but also reduce the foul smell and improve the water quality. It was observed that there was a severe growth of blue-green algae spread over the Lake emitting foul smell to the vicinities and habitations around the Lake. The foul smell was unbearable and the residencies around the lake and visitors demanded that the authorities take action to prevent the smell. Chief Engineer BLN Reedy said that Global Invitation for Request for Proposal (RFP) for the design, procurement, and implementation proven technological intervention to arrest odour nuisance. Tenders were opened on March 29 and eight agencies participated of which M/s NACOF from Bengaluru quoted S EM.1 technology enables ETP systems to reduce manpower S Technology is more cost effective in industrial sector S The treatment plant produces dissolved O2 in the ETP plants S The treated water can be reused for industrial purposes Rs 3.22 crore, least quote of all for a period of one year. He said that the committee had visited Ulsoor and Yellahanka Lake at Bengaluru which were treated by EM.1 solutions and Bokashi Balls introduced by M/s NACOF. Explaining about the technology used to decrease the odour smell, Kiran P Kulkarni from NACOF said that in many areas the authorities have managed to divert the sewerage but there are old storm water drains remaining and they have become a reason for solid waste. He said that, “we have studied all the parts of Hussiansagar Lake and by us- ing EM.1, a Bio-culture (which is been used worldwide by 156 countries). This Bio-culture will start eating up the bacteria, then there is no reason to odour smell and within a span of 15 to 20 days there will be decrease in smell.” “During the second stage of the treatment, ‘Bokashi balls’ will be made and will be dropped into the lake which will reach the lake bed and then the anaerobic environment will be there, which will decrease in growth of algal blooms, thereby reducing foul smell emission from the Lake,” Kiran added. Shanthi urges completion of pending works 04 05 Loud cheers mark TRS plenary 06 Primary Health Center at Jamiguda lacks basic amenities
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