FCC raw material oil-decompressed wax oil is used as extraction agent to pretreat FCC phenol-bearing wastewater.
作者选用催化原料油—减压蜡油为萃取剂，对催化裂化含酚废水进行脱酚预处理。
A new technological process for extracting higher fatty alcohol from bees wax by supercritical CO2 extraction is described.
蜂蜡高压皂化水解后用超临界CO2萃取制得高级脂肪醇。
A reflexion scattering spectrophotometry for the adsorption and the extraction of the complex of nickel with dimethylglyoxime using microcrystalline wax have been studied.
研究了微晶石蜡吸附萃取镍 -丁二酮肟络合物的条件 ，并设计了固相反射散射分光光度法直接测定石蜡相中镍含量的方法。
The research is made on dewaxing shellac by centrifugal subside and refining shellac-wax by Carbon tetrachloride extraction.
介绍了用离心沉降对紫胶脱蜡和四氯化碳萃取精制紫胶蜡的研究过程和结果。
The research is made on dewaxing shellac by centrifugal subside and refining shellac-wax by Carbon tetrachloride extraction.
介绍了用离心沉降对紫胶脱蜡和四氯化碳萃取精制紫胶蜡的研究过程和结果。
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