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加拿大的科明科公司宣称:在不列颠哥伦比亚省的特雷尔锌厂,世界上第一座工业规模的硫化锌精矿加压酸浸厂的第一期工程,将于1981年开工兴建,投资2300万美元。谢里特高登公司试验成功的这种新工艺与传统电积流程的比较见附图,其区别主要在于加压浸出法是用高温通氧加压酸浸(废电积液)代替传统流
The Canadian company MingKeMen claims: The first phase of the world’s first industrial-scale zinc sulfide concentrate press acid leaching plant in Terrell zinc plant in British Columbia will start construction in 1981 with an investment of 2300 Ten thousand U.S. dollars. Sheridan Gordon’s successful trial of this new technology and the traditional electrowinning process comparison of the photos, the difference is mainly that the pressure leaching method is the use of high-temperature oxygen pressure acid leaching (waste water) instead of the traditional flow