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Landfill Leachate Treatment
Release time:
2022-07-29 20:51
Source:
Introduction of Organic Nanofiltration Membrane Technology
Nanofiltration is a membrane separation technology between ultrafiltration and reverse osmosis. The pore size of nanofiltration membrane is between 0.5-2nm, and its separation mechanism is mainly pore size sieving and Daunan effect, which can realize inorganic salt, Selective separation of substances such as amino acids and small organics. Compared with the insufficient molecular weight cut-off accuracy of ultrafiltration membrane and the high energy consumption of reverse osmosis, nanofiltration membrane effectively makes up for the shortcomings of both, but it is still in the research and development stage, and customized design and large-scale production are difficult. In actual production and life, there are many pollution problems. At the same time, various national standards are continuously improved. Nanofiltration is favored because of its excellent separation performance and high degree of adjustment. Flow chart
Flow chart
Process advantage
1. Nanofiltration replaces reverse osmosis , which can reduce operating pressure, reduce energy consumption and increase treatment capacity while ensuring that the water quality meets the standard. 2. High COD, ammonia nitrogen removal rate, high long-term stability. 3. Low cleaning frequency.
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Leachate treatment project of a landfill in Huainan:
The research institution approved by Nanjing is also an independent legal entity of the first professional research institute of Jiangsu Industrial Technology Research Institute Membrane Science and Technology Research Institute, which is positioned as the organizer of membrane material industry cultivation.
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