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发明名称
猪皮碱法脱毛工艺的改进
摘要
结合猪皮结构特点,在现用碱法脱毛的硫化钠消解毛和氢氧化钠膨胀之间脱碱,脱碱中同时氧化裸皮和脱毛液内的剩余硫化物,以缩小裸皮的部位差异,便于回收水解毛蛋白。制革废水中的硫化物含量符合排放标准。
申请公布号
CN1063994A
申请公布日期
1992.09.02
申请号
CN91100794.6
申请日期
1991.02.11
申请人
庆巴图
发明人
庆巴图
分类号
A22B5/08
主分类号
A22B5/08
代理机构
代理人
主权项
1、在现有猪皮碱法脱毛的硫化钠消解毛和氢氧化钠膨胀之间脱碱,脱碱方法是在硫化钠消解毛之后,不取出裸皮,在其稀释的脱毛液内按脱毛用硫化钠量加50%以上的亚硫酸盐或者相应的酸性亚硫酸盐,进行处理,然后加硫酸或盐酸,调节到PH4.0~5.5。
地址
100020北京市朝阳区东环路二号楼五门201
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