六价铬及其化合物是一强氧化剂和致敏剂。腐蚀、刺激作用强,除可致皮肤、粘膜的局部损伤外,并对全身有中毒作用。××皮革化工厂生产重铬酸钠排出的“三废”中含有以铬酸、重铬酸形式存在的六价铬。为了解其对环境的污染程度及周围居民健康的影响,我们于1980年5月至81年4月进行了调查。 一般情况 ××皮革化工厂位于城西区兴海路北,东邻郊区政府,西邻兴海路煤场,北邻湟岸巷居民区。该厂筹建于1959年,1960年投产,产量为1000～1200吨/年。产生“三废”的主要车间是红矾车间,粉碎、焙烧工段产生粉 Hexavalent chromium and its compounds are a strong oxidant and sensitizer. Corrosion, strong stimulus, in addition to cause local damage to the skin, mucous membrane, and the body has toxic effects. × × leather chemical plant sodium bichromate discharged from the “three wastes” contain chromic acid, dichromate form of hexavalent chromium. To understand its impact on the environment and the health of surrounding residents, we conducted a survey from May 1980 to April 2001. General × × leather chemical plant is located in the west of Xinghai Road, Chengxi District, east of the suburban government, Xinghai Road coal field to the west, north shore Lane residential area. The plant was built in 1959, put into operation in 1960, the output is 1000 ~ 1200 tons / year. Produce “three wastes” the main workshop is red alum workshop, crushing, roasting section produce powder