The results show that chrome waste can be utilized to pickle the soft pelt to tan the pickled pelt as well as the second ply leather by adding appropriate amount of fresh chrome liquor, in this way, 0％ and 0％ sodium dichromate can be saved respectively.
The results show that chrome waste can be utilized to pickle the soft pelt to tan the pickled pelt as well as the second ply leather by adding appropriate amount of fresh chrome liquor, in this way, 0％ and 0％ sodium dichromate can be saved respectively.
实践表明,废铬液用于软化裸皮浸酸、浸酸裸皮初鞣和在废铬液中补充适量的新化铬鞣液用于鞣制二层皮,均取得了较好的效果,可分别节约红矾钠％和0％。