Saturday, June 15, 2019 00:30 (GMT + 7)
Because the To Lich river water level is low, Nano aerators need supporting equipment to be able to handle pollution in the To Lich river.
4 Japanese technology Nano aerators located below the To Lich River are still operating stably
On June 14, after almost a month Nano-Bioreactor technology was put into the To Lich River at Hoang Quoc Viet Street (Cau Giay District, Hanoi), PV was present on location.
As noted, 4 aerators are still functioning normally. The river's water level is quite low, showing a slit of mud on the beach. River water in the first channel flows Hoang Quoc Viet (the first part of numbers 1 and 2) shallow, the color is black, cloudy yellowish water flows from the gutter.
Parts of water 3 and 4 from the jacuzzi are deeper, the surface layer looks clear, but generally still black. Standing on the beach, the stench was greatly reduced.
River water in the watershed is quite low, opening the entire muddy coast
A technical official from the Vietnam Japan Environmental Repair Joint Stock Company (JVE), which is present on the banks of the To Lich River, said that since laying the riverbed, the aerator was still stable.
Recently, a pump was added to the river between jacuzzi 1 and 2. As explained by JVE technical staff: "This machine has the effect of pumping water back upstream to help dissolve the mud in order to protect the beach, while providing more water for number 1 because of the low river water level ".
JVE technical staff revealed more, on the afternoon of June 14, Mr. Nguyen Tuan Anh – The Chair of the JVE Board of Directors also visited the To Lich river section which was treated with Nano Japanese technology.
Part of the river To Lich is at the end of the river before flowing through the jacuzzi
It is estimated that on Monday morning (June 17), experts will continue to take water samples from the To Lich River to check and evaluate the effectiveness of technology after 1 month of operation.
At 2 weeks later, the JVE report said, the basic Nano-Bioreactor technology fulfills the requirements when the To Lich river odor is significantly reduced and the sludge thickness index decreases according to the expected index. before placing the device.
In particular, the thickness of river sludge is significantly reduced. In particular, at point B 50 m from the ditch area of Hoang Quoc Viet, the thickness of the mud decreased from 91.3 cm to 72 cm. At point C is 110 m, the thickness decreases from 96.7 cm to 76 cm. At point D, a distance of 210 m, the thickness of the mud decreases from 87.7 cm to 79 cm.
The new pump is equipped with a section between jacuzzi number 1 and No. 2
Previously, starting May 16, Hanoi implemented a pilot project on pollution treatment and river To Lich cleaning with Japanese Bioreactor technology. The pilot project was carried out by a team of Japanese experts working with the Japan Japan Environmental Enhancement Joint Stock Company.
Four Nano aerators and natural Bioreactor panels are placed at the top of the To Lich river at the start of the Hoang Quoc Viet road (Cau Giay district). Japanese experts say that when making bio-nano aerators, 3 days later, the smell of the To Lich river will decrease and after 1-2 months the water monitoring indicator will reach national technical standards. on surface water quality.
Experts have examined the thickness index of the To Lich river mud after a few days installing a Nano aerator and the results are very …