The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.
芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份，再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。
Based on the framework of the components phase equilibrium, the process of gas washing can deplete then-alkanes of the oil and produce the subsequent condensates.
在各组分气液溶解平衡的格架下，气洗作用将导致残余油中正构烷烃的大量损失以及次生凝析气藏的形成。
Water - washing and dehydrating steps in the old process are left out in the new one, of which the main advantages are: no sewage discharge. low energy consumption, less time and low oil loss.
该技术省掉植物油间歇双漂老工艺中的水洗和脱水工艺，使漆用植物油的精制处理无污水排放，节能，省时，降低油耗。
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