蒸馏锌;
The experimental results of Yilan coal liquefaction shown that the catalytic activity of Xilin pyrite of lead-zinc ore is the highest, 68% for the yield of extracted oil and 58% for the yield of distilled oil were obtained.
试验结果表明,黑龙江西林铅锌矿的黄铁矿在依兰煤的加氢液化过程中,催化活性最高,萃取油收率达到68%,蒸馏油收率达到58%
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