This project was officially put into operation in March 2019. It is used to treat the nitrogen oxide waste gas from the precious workshop of Jinguan Copper Branch of Tongling Nonferrous Metals Group Co., Ltd., which is mainly produced by nitric acid removal of impurities and aqua regia gold dissolution process. The two projects of this project Level bubbling absorption + four-level jet absorption + SDG adsorption treatment. The concentration of nitrogen oxides in the treated waste gas has been tested by a third party, and the emission data is 42mg/m3. After the project was put into operation, another subsidiary of Tongling Nonferrous Metals Group Long Copper Branch directly signed a nitrogen oxide waste gas treatment contract with the company.
The waste gas of the Jinlong Copper Nitrogen Oxide Waste Gas Treatment Project is mainly produced by dissolving silver in nitric acid. This project is treated through two-stage bubbling absorption + four-stage jet absorption + SDG adsorption. The nitrogen oxide emission concentration in the treated waste gas has been Third-party testing, the emission data is 83mg/m3.
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