Some microbes like nothing better than to be nestled in a toxic sludge of heavy metals like zinc, arsenic and cadmium.
对于一些微生物而言，没有什么比生活在充满了锌、砷和镉之类的重金属的有毒淤泥中更加惬意的。
2
Copper and zinc in sludge extract were removed by improved ferrite coprecipitation process using lime milk as neutralization reagent.
采用改进铁氧体共沉淀法，用石灰乳溶液作中和剂，从污泥浸出液中去除铜、锌。
3
The valuable metals, such as zinc and bismuth in the blast furnace sludge can be recovered by wet metallurgy technology to produce zinc oxide and bismuth oxychloride.