Contamination problems that have plagued companies for more than 40 years have been solved Sinochem New Network News Recently, with the operation of the waste acid treatment project of Gansu Yinguang Group Co., Ltd., the company's sulfuric acid mist emission concentration has been lower than the national emission standards, thus plaguing enterprises. More than 40 years of sulfuric acid fog pollution has been completely resolved.
It is understood that the company uses long-term traditional bubble-type sulfuric acid concentration furnace to treat waste sulfuric acid. Due to obsolete equipment and backward technology, sulfuric acid mist emissions exceeded the standard, reaching a maximum of 8,000 milligrams per cubic meter, causing serious pollution to the local environment and air. In 2007, Gansu Province vigorously coordinated the solution of the problem of the governance of the company. The National Science and Technology Bureau of the People's Republic of China, on the basis of consultations with the relevant state departments and weapons group companies, conducted repeated investigation and verification and approved the company’s environmental pollution of 393 million yuan. Governance project. In August of the same year, the project started construction.
Silver Light's environmental pollution control project is one of the four major projects in Baiyin City. The project consists of "wastewater treatment sub-items" and "spent acid treatment sub-items." The wastewater treatment project was commissioned in November 2009 and put into operation in May 2010. The wastewater treatment capacity was 560,000 tons per year. After the completion of the project, the company's production wastewater and domestic sewage will all enter the new wastewater treatment plant, which will be used for greening irrigation. All environmental protection indicators will meet the national first-class emission standards. After the completion of the waste acid treatment project, the production technology level and automation degree of the enterprise have been greatly improved, the sulfuric acid concentration rate has been significantly improved, the sulfuric acid mist and nitrogen oxides in the exhaust gas have been up to standard, and the pollution of sulfuric acid mist to the air has been effectively solved.
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