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提出了新的药剂制度，以国产丁基和异丙基黑药和改性木素磺酸盐取代进口的丁基黄药浮选铜铅锌多金属矿石，结果颇为满意，拟进行工业试验。
Proposed a new drug system, with domestic butyl and isopropyl black and modified lignin sulfonate to replace imported butyl xanthate flotation copper-lead-zinc polymetallic ore, the result is quite satisfactory, it is intended to carry out industrial tests .