The new process consists of extractive distillation section, degassing section, distillation section and solvent recovery section.
新工艺包括萃取蒸馏区、脱气区、蒸馏区和溶剂回收区。
The advances of production process are mainly applications of two stage filtration, full filtrate circulation, filter aids, membrane solvent recovery, dewaxing at room temperature, etc.
工艺进展主要是两段过滤、全滤液循环、助滤剂应用、渗透膜溶剂回收、室温脱蜡等。
The recovery and reuse of waste solvent from the loading process of metallocene catalyst were studied.
针对茂金属催化剂负载化过程中所产生的废溶剂开展了相关的回收工艺研究。
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