探讨了铅阳极泥中金、银、铜、锑、铋等金属回收方法与指标以及砷的污染防治措施。
Processes for extracting metals from the slurry and recovery rates of them, such as gold, silver, copper, antimony and bismuth, and measures of controlling arsenic pollution are discussed.
该方法简单可行，对减少化验室废水对环境的污染，提高银二次资源的利用率，降低化验成本具有现实意义。
This method can cut down the pollution caused by the waste and the cost of analysis, and increase the utilization ratio of silver.
利用纯天然仙人掌液还原制备了纳米银溶液，其制备方法简单，无污染。
Nano-silver solution was prepared by deoxygenation with natural cactus solution, which is simple and non-polluting.
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