Neutral leaching ,weak acid leaching ,hot acid leaching and high acid leaching of zinc roasted concentrate w ere examined .T he behavior of silicon in leaching process w as analyzed .T he measures avoiding producing silica gel during leaching w ere presented .%研究了锌精矿焙砂的中性浸出、弱酸浸出、热酸浸出和高酸浸出，分析了浸出过程中硅的行为，提出了避免浸出过程中产生硅胶的措施。
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