近年来,我厂炼铜车间采用了铁置换的方法生产海绵铜,在处理海绵铜时,用浓硫酸与海绵铜共煮的方法。这种方法不仅耗酸多,而且会产生大量具有强烈刺激性气味的二氧化硫等气体,弥漫车间,对工人的身体健康影响很大,而且车间邻近的树木也受其害,机械设备也被腐蚀,广大职工迫切要求改 In recent years, I plant copper plant using a method of iron production of sponge copper, copper sponge treatment, with concentrated sulfuric acid and sponge copper co-boiled method. This method not only consumes more acid but also generates a large amount of gas such as sulfur dioxide which has a strong pungent odor. The diffused workshop has a great impact on the health of workers and trees in the workshop are also affected. The mechanical equipment is also eroded, The majority of workers urgently require change