free oil

A method for determination of trace free glycerol in oil;

一种测定油脂中微量游离甘油的方法

1 μm to remove the residual soap and free glycerol at the inlet pressure 0.

06MPa、温度60℃下微滤粗生物柴油除去其中的皂和游离甘油。

It is easy to elute free glycerol from the crude biodisel by water washing.

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。

Analytical method of free glycerin and total glycerin by chemical method in biodiesel was studied.

该文对生物柴油中游离甘油和总甘油含量的分析测试方法进行研究,通过原理设计和实验验证,该方法具有可行性,而且与气相色谱法相比,通用性更强。

Develop an accurate determination method of free glycerin ,total glycerin by the method of sodium iodic acid cold oxidation.

采用碘酸钠冷氧化法,建立了准确测定生物柴油中游离甘油和总甘油含量的方法。

A method for evaluating sealing ability of over-pressured mudstone caprock for oil-gas in free phase and its application;

超压泥岩盖层封闭游离相油气能力的评价方法