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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 operations after more than a year of construction. This new facility has an annual production capacity of 800,000 tons of sulfuric acid, marking another significant milestone for the company following the completion of its previous 600,000-ton sulfuric acid plant.
All major equipment in this state-of-the-art facility was designed and manufactured domestically, making it the largest sulfuric acid plant built entirely with Chinese technology to date. Compared to older plants, this new facility demonstrates remarkable efficiency. For instance, a 100,000-ton pyrite-based sulfuric acid plant used to require over 70 workers, while the current 1.4 million-ton sulfur-burning plant only needs around 20 operators. This not only simplifies operations but also reduces labor costs and improves overall productivity.
With lower investment, better economic returns, and zero waste residue or wastewater, the plant significantly enhances sulfur utilization and sulfuric acid production efficiency. Emissions are fully compliant with national environmental standards, ensuring minimal environmental impact. Additionally, the plant makes full use of waste heat to generate steam power, supporting the development of eco-friendly and resource-efficient enterprises. This project represents a major step forward in sustainable industrial development in China.