The text introduced the barrier separation technology in the separation and purification of protein substances through compared with traditional protein separation methods.
2
介绍了甲苯法生产己内酰胺废液的分离工艺条件、废液中盐的提纯和有机油的利用方法。
The separation process conditions of caprolactam wastewater by manner of toluene is introduced, the purification process for salt in wastewater and the utilization technology for oil is indicated.
3
介绍了降凝剂中间体丙烯酸高碳醇酯的合成和产品分离提纯方法。
Synthesis and purification of long chain alkyl acrylate as intermediate of pour point depressant were introduced.
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