solvent-recovery plant

Design of Solvent Treating Column for Butadiene Plant

丁二烯装置溶剂精制塔的设计

A method for isolating mitochondrial plasmid DNA from etiolated plant seedlings is described in this paper. This method does not need gradient ultra centrifugation and organic solvent extraction. The entire procedure can be finished in short time.

介绍了一种从植物材料中提取线粒体质粒DNA的方法，该方法不需要密度梯度离心和有机溶剂抽提，整个提取过程可在较短时间内完成。

Introducing process probe of solvent sodium thiocyanide purification and concentration-five effective evaporation unit by two steps wet-way acrylic fiber production process, it arouses that technical analysis in regarding to practical plant operating conditions and technical improvement shall be taken correspondingly.

介绍了二步湿法腈纶生产工艺中溶剂硫氰酸钠净化浓缩&五效减压蒸发装置的工艺探讨，针对装置实际运行状况进行技术分析，相应进行技术改进。

The development work is described in main on an immersion probe Y absorptiometer ( IPA) and a floating probe Y absorptiometer ( FPA) with their application to the solvent extraction for automatic determination of uranium concentrations of organic extracts in the mixer-settler of a certain uranium plant.

本文报道了浸入式和浮动式探头的软γ吸收计的研制，及其在某铀水冶厂萃取过程中的应用。浸入式探头可插入混合澄清器内饱和有机相中测定铀浓度；

High boiling solvent ( HBS) lignin is released from plant raw materials by using high boiling alcohol as a solvent. HBS lignin is a novel green material.

高沸醇木质素是采用高沸醇溶剂法从植物原料中提取的木质素，具有纯度高、化学活性强等特点。