Method and apparatus for removing ammonia nitrogen from electrolytic manganese residue

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United States of America Patent

PATENT NO 11926913
APP PUB NO 20230399765A1
SERIAL NO

18321862

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Abstract

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A method and equipment for removing ammonia nitrogen from electrolytic manganese residue are provided in the technical field of solid waste resource utilization. The method includes following steps: step 1: adding phosphate and magnesium salt into electrolytic manganese residue leachate and fully reacting, where after the phosphate and the magnesium salt are added, n (Mg):n (N):n (P)=1.1-1.3:1:1 in the electrolytic manganese residue leachate; step 2: on a basis of the step 1, adjusting pH of the electrolytic manganese residue leachate to alkalinity, and stirring and reacting for 10-30 min; and step 3: on a basis of the step 2, filtering the electrolytic manganese residue leachate to obtain purified leachate and struvite respectively.

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Patent Owner(s)

Patent OwnerAddress
GUIZHOU UNIVERSITY550025 GUIZHOU UNIVERSITY HUAXI DISTRICT GUIZHOU GUIYANG GUIYANG CITY GUIZHOU PROVINCE 550025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Xuexian Guiyang, CN 1 0
Luo, Youfa Guiyang, CN 4 2
Ran, Zhengyan Guiyang, CN 1 0
Wu, Pan Guiyang, CN 21 293

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