制革污泥生物淋滤液中有机物性质及对鞣制的影响  

BIOLEACHATE FROM TANNERY SLUDGE BY ACIDOPHILIC THIOBACILLI WAS REUSED INTO LEATHER-MAKING INDUSTRY

作　　者：黄宁选[1] 马宏瑞[1] 李健[1] 安会然[1] 

机构地区：[1]陕西科技大学化学与化工学院,陕西西安710021

出　　处：《陕西科技大学学报（自然科学版）》2007年第3期17-20,共4页Journal of Shaanxi University of Science & Technology

基　　金：浙江省重大科技攻关项目(2004C11004)

摘　　要：制革污泥生物淋滤液中含有高浓度的Cr(III),回用于皮革鞣制工艺中需明确可溶性有机物对蓝皮质量存在的影响及其程度.在分析淋滤液有机物组成性质的基础上,对鞣制后蓝皮性质进行了测定.结果表明:与标准鞣制相比,将淋滤液引入到浸酸、鞣制工艺后,皮革的收缩温度可达到98℃,Cr含量可达到24.77 mg/g(干皮),成革柔软、丰满,符合实际生产的需要.为制革污泥淋滤液实现厂内回用提供了实践依据.Chromium can be removed from tannery sludge by bioleaching technology, and reused into the leather tanning. Compared with standard tanning, the results indicated that the shrinkage temperature to 98℃, the chrome content above 24.77 in the wet blue leather were obtained when the bioleachate was added into the pickling and tanning process, and the resultant leather was soft and full. This is a ideal way to reuse the bioleachate in the tannery factory.

关 键 词：生物淋滤 鞣制 可溶性有机物 

分 类 号：X794[环境科学与工程—环境工程]