Abstract
对铟富集进行工艺优化试验，并进行了生产改造，通过降低中浸、酸浸、高浸液固比，提高始酸，达到了提高铟浸出率，提高酸浸液铟离子浓度的目的；用硫化锌精矿对酸浸液除杂，实现了中和沉铟，从源头上治理了砷污染，降低了铟锭生产成本，改善了职工操作环境，并为铟回收工序打下了良好的原料基础。经济效益，环境效益显著。 Optimizing experiment of indium enrichment process was done and the production was remoulded. The indium leaching rate and indium ion concentration of pickle liquor were improved by reducing neutral leaching, acid leaching, as well as high leaching liquid-solid ratio and enhancing the acid in the beginning. Edulcoration of pickle liquor using zinc sulfide concentrate realizes neutralization of indium, controls arsenic pollution from the source, reduces the cost of indium ingot production, improves workers’ operating environment, and lays a good material base for indium recovery process. Economic benefit and environmental benefit are remarkable.
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