通过水洗可以很容易去除粗生物柴油中的游离甘油，但是水洗不仅会产生大量工业废水，而且增加产品成本。
In this work, the process of the biodiesel production from rapeseed oil and the crude biodiesel washing has been provided.
大港石化公司运用高浓度废水处理技术进行生物前期处理，其装置试运及柴油碱渣标定应用表明该技术先进。
The high-concentration sewage disposal technology was used to dispose diesel alkaline residue in the Dagang Petrochemical Company.
大港石化公司运用高浓度废水处理技术进行生物前期处理，其装置试运及柴油碱渣标定应用表明该技术先进。
The high-concentration sewage disposal technology was used to dispose diesel alkaline residue in the Dagang Petrochemical Company.
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