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Recently, Welly Environmental Protection Technology Group Co., Ltd. won the bid for the "Proportion dam landfill leachate (mixed water) treatment and upgrading project construction", with the bid amount of 131 million yuan.

Guiyang Proportion Dam domestic waste landfill is one of the two major landfills in Guiyang, located in Maijia Township, Baiyun District, Guiyang. The project intends to upgrade and renovate the original 2000t/d emergency treatment system in the landfill, including the renovation of the original 2000t/d mixed water DTRO equipment and the auxiliary regulation tank of the mixed water emergency treatment project in the Proportion dam landfill in Baiyun District, and the addition of DTRO concentrated liquid treatment system and nanofiltration concentrated liquid treatment system at the back end. To deal with the leachate (mixed water) produced by the landfill site of Byeongba, the design of the project is not less than 2000t/d of water intake, treatment of water output is not less than 2000t/d, and the simultaneous construction of deodorization and high pressure "plate and frame press filtration" dewatering and mud removal system.

The main process of this project is: "pretreatment (recycling) +DTRO (recycling) + equalization tank + external MBR+ primary NF+ secondary NF+ electrocatalytic oxidation". The concentrated liquid produced by the nanofiltration system adopts the process of "reduction + full quantization", and finally realizes the full quantization of the system.

Willy Group has been deeply engaged in the landfill leachate treatment business for more than ten years. As an industry leader in the field of landfill leachate segmentation, Willy Group has participated in the drafting and preparation of a number of industry standards and specifications, and has taken the lead in introducing external MBR and advanced treatment nanofiltration (NF) process in the leachate industry, leading to become the mainstream process in the industry. So far, Weiley Group has more than 300 successful leachate cases in China, including more than 200 leachate cases in landfill sites, and more than 40 projects in operation, with a total daily processing scale of more than 170,000 tons.

After the renovation of the project, it will become the first fully quantified leachate treatment project in Guiyang City, helping to solve the problem of leachate accumulation in the proportional dam landfill, alleviating the long-term overload operation pressure of the landfill, and meeting the needs of urban solid waste disposal. Willy Group will uphold its original intention, continuously improve the level of technology and service, and contribute to protecting the green mountains and clear waters of Guiyang and promoting the sustainable development of regional ecological environment quality.