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The largest domestic sulfuric acid plant is put into operation
The country's largest sulfuric acid plant, located in Guiyang Sinochem Phosphate Fertilizer Co., Ltd., recently completed and started production after more than a year of construction. The facility now has an annual output of 800,000 tons of sulfuric acid, marking a significant milestone for the company. This is the second large-scale sulfuric acid plant built by the company, following the completion of a 600,000-ton-per-year facility.
All major equipment in this new plant was designed and manufactured entirely within China, making it the largest domestically produced sulfuric acid plant to date. Compared to older facilities, this modern plant demonstrates remarkable efficiency. For example, a previous 100,000-ton-per-year pyrite-based sulfuric acid plant required over 70 workers, while the current 1.4 million-ton-per-year sulfur-burning plant only needs around 20 operators, significantly reducing labor costs and improving operational convenience.
With lower investment, strong economic returns, and zero waste residue or wastewater, the plant not only enhances sulfur utilization but also ensures that exhaust emissions fully meet national environmental standards. Additionally, it efficiently utilizes waste heat steam, contributing to the development of environmentally friendly and resource-saving enterprises. This project represents a major step forward in sustainable industrial growth and technological advancement in China’s chemical sector.