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.
叙述了软蜡经预处理后加入某种稀释剂，经催化氯化合成氯蜡- 42，副产试剂级盐酸的工艺方法及实验结果。
The preparation process and experiment results of chlorinated paraffin-42 and high-purity hydrochloric acid from low-point paraffin by catalytic chlorination are described.
经过调查，发现原油中含有机氯化物是造成设备腐蚀的原因，而原油中的有机氯化物是在油田采油过程中注入的含氯清、防蜡剂等化学剂所引起。
It was found by investigation and studying that the chlorine came from the wax-controlling chemicals which were added into the crude oil in oil - fields during production.
采用季铵盐DTAL作捕收剂，研究了氯化钠对一水硬铝石和叶蜡石浮选的影响及其作用机理。
The effects and mechanisms of sodium chloride on the flotation of diaspore and pyrophyllite with the cationic quaternary ammonium DTAL as a collector were studied.
采用季铵盐DTAL作捕收剂，研究了氯化钠对一水硬铝石和叶蜡石浮选的影响及其作用机理。
The effects and mechanisms of sodium chloride on the flotation of diaspore and pyrophyllite with the cationic quaternary ammonium DTAL as a collector were studied.
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