Chemical maker in Xifeng advances smart, green upgrades

Guiyang Kailin Phosphate Fertilizer Co, located in the Chemical Industrial Park of Xiaozhaiba town in Xifeng county, has continued to promote intelligent transformation and green upgrading in recent years.

The production line of the Guiyang Kailin Phosphate Fertilizer Co. [Photo/xifeng.gov.cn]

The company has implemented a series of related projects, including upgrades to its wet-process phosphoric acid system and ultra-low emission treatment for sulfuric acid tail gas.

The company's wet-process phosphoric acid purification technology has now been upgraded to its fifth generation. Product quality has steadily reached food additive-grade standards, while efforts are underway to achieve breakthroughs toward electronic-grade phosphoric acid, promoting the transition of phosphorus resources toward deeper and higher-value processing.

The company displays some of its samples. [Photo/xifeng.gov.cn]