...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>International Journal of Environmental Research and Public Health >Are Endocrine Disrupting Compounds a Health Risk in Drinking Water?
【24h】

Are Endocrine Disrupting Compounds a Health Risk in Drinking Water?

机译：饮用水中的内分泌干扰化合物是否存在健康风险？

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

There has been a great deal of international discussion on the nature and relevance of endocrine disrupting compounds in the environment. Changes in reproductive organs of fish and mollusks have been demonstrated in rivers downstream of sewage discharges in Europe and in North America, which have been attributed to estrogenic compounds in the effluent. The anatomical and physiological changes in the fauna are illustrated by feminization of male gonads. The compounds of greatest hormonal activity in sewage effluent are the natural estrogens 17β-estradiol, estrone, estriol and the synthetic estrogen ethinylestradiol. Androgens are also widely present in wastewaters. Investigations of anthropogenic chemical contaminants in freshwaters and wastewaters have shown a wide variety of organic compounds, many of which have low levels of estrogenic activity. In many highly populated countries the drinking water is sourced from the same rivers and lakes that are the recipients of sewage and industrial discharge. The River Thames which flows through London, England, has overall passed through drinking water and sewage discharge 5 times from source to mouth of the river. Under these types of circumstance, any accumulation of endocrine disrupting compounds from sewage or industry potentially affects the quality of drinking water. Neither basic wastewater treatment nor basic drinking water treatment will eliminate the estrogens, androgens or detergent breakdown products from water, due to the chemical stability of the structures. Hence a potential risk to health exists; however present data indicate that estrogenic contamination of drinking water is very unlikely to result in physiologically detectable effects in consumers. Pesticide, detergent and industrial contamination remain issues of concern. As a result of this concern, increased attention is being given to enhanced wastewater treatment in locations where he effluent is directly or indirectly in use for drinking water. In some places at which heavy anthropogenic contamination of drinking water sources occurs, advanced drinking water treatment is increasingly being implemented. This treatment employs particle removal, ozone oxidation of organic material and activated charcoal adsorption of the oxidation products. Such processes will remove industrial organic chemicals, pesticides, detergents, pharmaceutical products and hormones. Populations for which only basic wastewater and drinking water treatment are available remain vulnerable.
机译：关于环境中内分泌干扰化合物的性质和相关性的国际讨论很多。在欧洲和北美，在污水排放下游的河流中，已经证实了鱼类和软体动物生殖器官的变化，这归因于污水中的雌激素化合物。雄性腺的女性化可以说明动物的解剖和生理变化。在污水中激素含量最高的化合物是天然雌激素17β-雌二醇，雌酮，雌三醇和合成雌激素乙炔雌二醇。雄激素也广泛存在于废水中。对淡水和废水中人为化学污染物的研究表明，有机化合物种类繁多，其中许多具有较低的雌激素活性。在许多人口稠密的国家中，饮用水的来源是污水和工业废水的接收者所在的河流和湖泊。泰晤士河流经英国伦敦，从源头到河口的饮用水和污水排放总量为5倍。在这种情况下，来自污水或工业的内分泌干扰化合物的任何积累都可能影响饮用水的质量。由于结构的化学稳定性，基本的废水处理和基本的饮用水处理都不会从水中消除雌激素，雄激素或清洁剂分解产物。因此，存在潜在的健康风险。然而，目前的数据表明，饮用水中的雌激素污染极不可能在消费者中引起生理上可检测的影响。农药，洗涤剂和工业污染仍然是令人关注的问题。由于这种担心，人们越来越重视在废水直接或间接用于饮用水的地方加强废水处理。在某些人为污染严重的饮用水源地，人们越来越多地采用先进的饮用水处理方法。该处理采用颗粒去除，有机材料的臭氧氧化和氧化产物的活性炭吸附。这样的过程将去除工业有机化学品，农药，清洁剂，药品和激素。只有基本的废水和饮用水处理可用的人口仍然脆弱。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号