The results showed that neodymium chloride made the properties of chrome chloride tanning liquor changed remarkably: accelerating the hydrolysis of chrome complexes", decreasing the charge of constituents and reducing the content of hydrated chrome complexes while .

This paper describes the analysis of the content of Zr in Chrominum-Alu-mini-um-Zirconium tanning liquor by method of low pressure ion chrematogrophy.

The presented work describes dechromation of waste tanning liquor utilising chrome sludge produced through enzymatic hydrolysis of chrome-tanned leather wastes.

The international and domestic studies and methods of the utilization of the used chrome liquor were summarized in this paper.

The recycling of the used chrome liquors is studied from viewpoint of changing laws of Cl -,SO 2- 4 and Na + in the recycling chrome liquors.

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.

In this paper, the superiority of the preparation of woodscrape-reduced chrome tanning liquor by two-step way was discussed, and the product was prepared by this technique.