制革

By pre aeration in tanyard wastewater, the effect of primary settling improves obviously.

污水采用预曝气处理后，可大大提高初沉池沉淀效。

Tanning converts the otherwise perishable skin to a stable and nondecaying material.

把容易腐烂的动物皮转换成稳定的、不会变质的材料。

Using a solution of tanbark, the tanner treated the cowhide, transforming it into supple leather.

那位工人用鞣料树皮的溶处理了一下母牛皮，把它做成了柔韧的皮。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流体作反应物用于的，究了超临界CO2的压力、温度、时间及工艺对和脂的影响。