位于美国康涅狄格州丹伯里的战略矿产公司（Stratcor）和位于德克萨斯州休斯敦的CRI国际公司已经合作开始建造工厂，以期从提纯和石油化学生产所用的废旧催化剂中回收机和银．新建工厂计划在2000年第1季度投入生产，预计每年生产氧化机和氧化用各400万储，并将适时增加产量．工 Stratcor, based in Danbury, Conn., and CRI International, Houston, Texas, have partnered to begin construction of the facility to recover the machine and silver from spent catalyst used in purification and petrochemical production. The new plant is planned to be put into production in the first quarter of 2000, and it is estimated that each year will produce 4 million stores for oxidation and oxidation, and will increase production in due course. work