Method of extracting humic acids from rubbish percolation liquid membrane process concentrated liquid
A technology of landfill leachate and concentrate, which is applied in the field of humic acid extraction, can solve the problems of large power consumption and energy waste, and achieve the effects of avoiding energy waste, saving energy, and realizing resource utilization
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[0019] The method for extracting humic acid from leachate membrane treatment concentrate of the present invention will be further described below in conjunction with the accompanying drawings.
[0020] The present invention combines the characteristics of the high operating pressure of the original leachate membrane treatment system, and connects the humic acid resource recovery membrane separation system based on the membrane module directly through the discharge pipe of the concentrate, and if necessary, through a pressure reducing valve, so as to make full use of the original leachate The operating pressure of the membrane treatment system allows the humic acid in the leachate membrane concentrate to be extracted.
[0021] As shown in Figure 1, the leachate is divided into two parts after being treated by the first set of membrane treatment system (nanofiltration or reverse osmosis): one part is the treated effluent, and the other part is the membrane concentrate, which is r...
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