研究了以炼锌厂废泥为原料，经氧化、酸浸、 中和沉淀、稀硫酸溶解、 置换等步骤制取硫酸铜、海绵镉和硫酸锌的工艺。
Prepared copper sulfate, sponge cadmium and zinc sulfate from abandoned mash of zincmaking plants following the step of oxidization, soaking in acid, neutralization sedimentation, replacement, etc…
采用酶解法提取啤酒废酵母泥的酵母细胞壁多糖。
The polysaccharides of cell wall in waste beer yeast slurry were extracted by enzyme decomposition method.
介绍了立德粉生产中的副产物废铅泥、含锌镉渣、钡渣及生产废水的若干种综合利用方法及其原理、特点和效果。
The principles, features and effects of the methods for the utilization of by-products, such as waste lead mud, zinc-contained cadmium dregs, barium dregs and waste water are introduced.
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