[Commentary] On April 11, the Heilongjiang Provincial Government Information Office held a press conference and invited the National Environmental Emergency Expert Group to introduce the progress of emergency disposal of the tailings sand leakage incident of China Railway Group Yichun Luming Mining.
【Commentary】 According to the reporter's understanding, on March 28, the tailings pond of Heilongjiang Yichun Luming Mining Co., Ltd. leaked ore, and part of it entered the Yijimi River to cause pollution. Relevant departments have effectively reduced the discharge rate and concentration of tailings slurry by constructing overflow intercepting dams and excavating ore sedimentation tanks.
[Same period] Yan Lihai, Deputy Secretary General of the People's Government of Yichun City, Heilongjiang Province
As of 18:00 on April 10, a total of 168,000 cubic meters of sludge was pumped out, effectively reducing the discharge rate and concentration of tailings slurry. According to the deployment of the Provincial Command, go all out to do a good job of increasing production and supply of flocculants, and purchasing and transporting materials across the province and across the region on a large scale. At present, 4497 tons of dry powder flocculant and 10230 tons of aqueous solution have been delivered.
【Explanation】 According to experts, this emergency treatment aimed at the characteristic pollutant molybdenum, and built an emergency technical system with flocculation and sedimentation technology as the core. The treated water meets the drinking water standards of residents.
[Same period] Ma Fang, expert of the National Environmental Emergency Expert Group
Mainly aiming at the characteristic pollutant molybdenum, the entire emergency technology system is built with flocculation and precipitation technology as the core. According to a large amount of monitoring data, the content of molybdenum in the water after emergency treatment is less than 0.07mg / L, which meets the drinking water standard and will not affect the safety of drinking water for downstream residents.
Reporter Liu Bingxin reports from Harbin, Heilongjiang
Editor in charge: [Qi Bin]