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我们在原中、小型试验的基础上,去年又进行了半工业试验,工艺流程如附图所示。 半工业试验结果表明: (一) 锌焙砂经中性浸出后再用热酸浸出,锌浸出率可从87％提高到96.8％。渣含锌由13％降低
Based on the original small and medium-sized tests, we conducted a semi-industrial test last year. The process flow is shown in the attached drawings. The results of the semi-industrial tests show that: (1) The zinc leaching rate can be increased from 87% to 96.8% after neutral leaching and then leaching with hot acid. Slag zinc reduced by 13%