...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Science of advanced materials >Photocatalytic Treatment and Reusability of Textile Dyeing Effluents from Cotton Dyeing Industries
【24h】

Photocatalytic Treatment and Reusability of Textile Dyeing Effluents from Cotton Dyeing Industries

机译：棉纺织工业中印染废水的光催化处理和可再利用性

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Photocatalytic method for the treatment of effluents from textile dyeing industries has been investigated. The effect of dyeing auxiliaries on the degradation of the dye was studied. Finally, the treated water was tested for process purposes. The studies on the effect of presence of additives in the dyeing effluents on the photo-removal of dyes showed that sodium nitrate, sodium chloride increase the degradation rate and urea did not affect the degradation rate of the dye; however presence of carbonate decreased the degradation rate. The effluents using vinyl sulphone dyes were simulated in different shades using four commercial textile dyes. The photocatalytic removal of colour of a simulated textile effluent using ZnO suspensions under UV (253.7 nm from a low pressure mercury vapour lamp, 6 W) and solar radiations has been studied in an open-type batch photoreactor. Complete removal of the dye from highly coloured cotton dyeing effluents has been arrived at 8 h under solar radiation and 16 h of UV radiation. The treated water contains only inorganic ions such as carbonate, sulphate, nitrate, ammonium and chloride ions. Studies on the treatment of actual effluents show that complete removal of pollutant has been arrived at 2.5 h under solar irradiation. The treated water can be successfully reused for dyeing purposes.
机译：研究了光催化处理纺织印染废水的方法。研究了染色助剂对染料降解的影响。最后，对处理后的水进行测试以达到工艺目的。对染色废水中添加剂的存在对染料光去除的影响的研究表明，硝酸钠，氯化钠可提高降解速度，而尿素不会影响染料的降解速度。但是碳酸盐的存在降低了降解速率。使用四种商业纺织染料以不同的色调模拟了使用乙烯基砜染料的废水。在开放式分批光反应器中，已经研究了在紫外线（来自低压汞蒸气灯，6 W的253.7 nm）和太阳辐射下使用ZnO悬浮液光催化去除模拟纺织品流出物的颜色的方法。在太阳辐射和紫外线辐射16小时的情况下，已经完全去除了高度着色的棉色染液中的染料。处理后的水仅包含无机离子，例如碳酸盐，硫酸盐，硝酸盐，铵和氯离子。对实际废水处理的研究表明，在太阳辐射下2.5 h即可完全去除污染物。经过处理的水可以成功地重新用于染色目的。

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