A method for recovering ammonia from high ammonia nitrogen wastewater
A high-ammonia nitrogen and ammonia recovery technology, applied in chemical instruments and methods, water pollutants, water/sewage multi-stage treatment, etc., can solve the problems of high cost, low deamination efficiency, easy scaling, etc. Efficiency and deamination effect, improving ammonia recovery efficiency, preventing precipitation and scaling effect
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[0021] combine figure 1 , which describes a specific embodiment of the present invention in detail, but does not limit the claims of the present invention in any way.
[0022] Such as figure 1 Shown, a kind of high ammonia nitrogen wastewater ammonia recovery method, the steps are:
[0023] (1) High ammonia nitrogen wastewater is preheated by the preheater and pumped to the upper part of the decarbonization tower, and the carbon dioxide-containing steam and ammonia-containing steam are introduced from the lower part of the decarbonization tower, wherein the carbon dioxide and ammonia in the carbon dioxide-containing steam and ammonia-containing steam The amount ratio of the substance is 1:1. The ammonia-containing steam includes the ammonia-containing steam refluxed from the deammonization tower and part of the waste gas refluxed from the carbonization tower. The decarbonization tower is a plate tower. During the process of flowing through the tray, it is in full contact wit...
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