Study on Components of Masked Glucose Reduced Cr-Al Tanning Liquor Part I 掩蔽糖还原Cr-Al鞣液组分研究[Ⅰ]离子交换色谱法对鞣液组分的分离
Study on the Problems in the Recycling of Used Chrome Tanning Liquor 循环利用铬鞣废液的问题研究
Effect of Chrome Content in the Re-tanning Liquor on the Air Permeability of Leather 铬复鞣时铬用量对皮革透气性能的影响
Preparation of Chrome Tanning Agent Utilizing Black Liquor of Wheat Straw 麦草制浆黑液配制铬鞣剂
A new chromium content iodometry of the extract-chrome combination tanning liquor was developed in this paper. 针对常规碘量法在测定含栲胶铬鞣废液含铬量时测不准的缺陷,对测定方法进行了改进,建立了新的测定方法。
Study oh Components of Used Chrome Tanning Liquor and their Changes in ageing 铬鞣废液络合物组份及其在放置中变化的研究
Study on the Combination Tannage of Zirconium Tanning with Used Chrome Tanning Liquor Retanning 锆鞣与利用铬鞣废液复鞣的结合鞣工艺研究
A new online analytical method of online flow injection analysis was put forward to determine the Cr 3+ ion content in the chrome tanning liquor and waste chrome tanning liquor. 文章提出了一种新的测定铬鞣革液中铬()的分析方法,在常温下利用流动注射在线分析,其方法简便、快速,数据准确可靠。
Study on Method of Making Tanning Agent from the Recovered Waste Electroplating Liquor 回收电镀废液制取鞣革剂方法的研究
Determination of Cr_2O_3 and Al_2O_3 in Tanning Liquor and Waste with Flow-Injection Spectrophotometric Analysis Method 流动注射分光光度法同时测定制革鞣液及废液中Cr2O3和Al2O3的含量
In this paper, the reduction superiority of the chrome tanning liquor with the chrome-tanned shavings was introduced, and the chrome shavings-reduced chrome tanning liquor was prepared by this technique. 本文介绍了废铬革屑还原铬鞣液的优越性,并用该技术制得了废铬革屑还原铬鞣液。
The experiments showed that D 4 can be used in tanning and retanning stage, it has cooperative effect when retanning with chrome liquor thus good to improve the resultant leather quality, lower the chrome content of waste retanning liquor and reduce the environment pollution. 实验证明,在鞣制末期和复鞣中直接应用D4,可使成革质量明显提高,并有利于铬的吸收,降低废液中的铬含量。
Fast Determination of Cr(ⅲ) Ion in the Waste Chrome Tanning Liquor by Using Square Wave Polarographic Method 方波伏安法快速分析废铬液中的铬(Ⅲ)废多聚甲醛的回收利用
When preparation of Cr-Al tanning liquor, the apparent basicity of the liquor will decrease obviously due to the hydrolysis of Al_2 ( SO_4)_3.And the lowered value is linear to the ratio of Al to Cr according to the results of experiment and calculation. 在配制铬铝鞣液时,由于硫酸铝的强烈水解作用会导致铬铝鞣液表观碱度的显著降低,试验和公式推导都证明降低值与铝铬比成线形关系。
Analytical Method of Chromium Content for Tanning Liquor Containing Extracts 含栲胶铬鞣废液含铬量测定方法研究
The chrome pollution has been obviously reduced in waste water, in addition, the tanning processing cost of KMC is similar to chrome tanning liquor prepared by tannery. 结果表明,使用KMC鞣剂具有操作方便,成革质量稳定和明显减轻废水中的铬污染等优点,而且鞣革成本不高于制革厂自配的铬鞣液。
Study on the Recycling the Used Chrome Tanning Liquor of Modified Two-Bath Tanning Process 循环利用变型二浴法铬鞣废液的研究
To understand the tanning mechanism of no-pickling chrome tannage, the variation of pH value and ultraviolet spectra of tanning liquor during the chrome tanning without pickling were studied. Also, the pH value and phase transition temperature in different layer of leather were measured in the experiment. 研究了在不浸酸鞣制过程中,鞣液的pH值、紫外吸收以及皮内各层的pH值和相变温度的变化规律,以进一步认识不浸酸铬鞣剂的鞣制机理。
Studies on The Effects of Acidifying and Heating on Used Chrome Tanning Liquor 加酸和加热对铬鞣废液影响的研究