The review and research of activated ZnO production, especially the ammoniachloride leaching process are stated. The improving Suggestions are proposed.
The nitrate nitrogen makes the vegetable nitrate quickly rising, the ammonium nitrogen especially the ammoniachloride nitrate decrease the nitrate content.
硝态氮使蔬菜硝酸盐含量迅速上升,铵态氮尤其氯化铵硝酸盐增加较少。
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Through the above technological process, the wastewater with rare earth ammoniachloride can meet the requirements of the influent water for membrane process.