Method and system for treating high ammonia-nitrogen wastewater
A technology for ammonia nitrogen wastewater and high ammonia nitrogen, applied in water/sewage treatment, chemical instruments and methods, special compound water treatment, etc., can solve the problems of low ammonia nitrogen removal rate, limited industrial application, long reaction time, etc., and achieve ammonia nitrogen removal rate High, reusable, high value, easy to operate
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[0023] In order to enable those skilled in the art to better understand the technical solutions of the present invention, a method and system for treating high ammonia nitrogen wastewater provided by the present invention will be described in detail below with reference to the accompanying drawings.
[0024] The action mechanism of the present invention is: by crystallizing the ammonia ion in the influent water and the magnesium ion and phosphate ion in the auxiliary solution according to an equal stoichiometric ratio to produce "struvite" (magnesium ammonium phosphate hexahydrate MAP) crystals to achieve The effect of reducing ammonia nitrogen in water can be expressed by the following equation:
[0025]
[0026]
[0027]
[0028] After crystallization, the treated low ammonia nitrogen wastewater and nano-scale magnesium ammonium phosphate crystals are separated by gravity to achieve solid-liquid separation.
[0029] The method for treating ammonia and nitrogen in wastewater propose...
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