Chemicals
| Mon 27 Jul 2026
Geneva, July 28 -- Copper Branch Co Of Yunnan Tin Co Lmited has filed a patent application for Method for Continuous Sulfidation Treatment of High-concentration Arsenic-containing Spent Acid. This invention was developed by Cai Bing, Li Yuanhang, Zhang Huo, Cai Hui, Qu Chao, Guo Jiang, Huang Ke, Lv Boyun, Gong Qi, Chen Gang, Jia..