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在目前松根油和二号油暂时供不应求的情况下,用重吡啶碱和高级酚代替,能降低选矿成本,给国家节约资金。重吡啶碱是从煤中分离出来的有机碱的混合物系深色油状的液体,比重在1.05左右,其主要起泡成份为喹啉(C_9H_7N)和异喹啉及其衍生物,其馏分在170—330℃之间时,含量不应少于70%(按体积计)当其范围为200—265℃时,所得到的重吡啶碱的贸量最好。重吡啶除了具有良好的起泡剂性质以外,还具有一定程度的捕集性能,在浮选硫化铅锌矿时,得到较好的效果。用重吡啶和高级酚作小型试
At present, pine root oil and two oil temporarily in short supply, the use of heavy pyridine base and the replacement of higher phenol, can reduce the cost of beneficiation, saving the country. The heavy pyridine base is a mixture of organic bases separated from coal, a dark oily liquid with a specific gravity of about 1.05. The main foaming components are quinoline (C9H7N) and isoquinoline and their derivatives, with a fraction of 170 -330 ℃, the content should not be less than 70% (by volume) in the range of 200-265 ℃, the resulting trade of heavy pyridine base best. In addition to having good foaming agent properties, heavy pyridine has a certain degree of trapping performance. When flotation of lead-zinc sulfide fines, a good effect is obtained. With heavy pyridine and high phenol for small test