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集中处理 - 化学物质
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03:54, 22 October 2017
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集中处理方法常常在个体家庭或村落中使用,比起个体家庭式处理方法,集中处理法具有不同的化学水消毒方案可供选择。最简单和最常见的是使用氯剂,但是氯会留下少量的有毒残留物,因此其他一些方法也应运而生。另一种选择是臭氧消毒,因为它不会留下有害的残留物,但臭氧消毒系统花费很高。现在,出现了一些综合消毒系统,它们使用了过滤器、臭氧和少量氯剂。由于水中氟化物对某些地区的人口影响很大,而且普遍存在于共享系统中,因此化学消毒的其中一步是去氟化。
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|style="background:#efefef;"|[[Image:Chlorination_in_piped small.jpg|center|100px|link=Chlorination in piped systems]]
|style="background:#efefef;"|[[Image:Free_chlorine small.jpg|center|100px|link=Chemical disinfection / Free chlorine]]
|style="background:#efefef;"|[[Image:800px-Setup_of_WATAsol small.jpg|center|100px|link=The WATA device]]
|style="background:#efefef;"|[[Image:Chlorine_dispenser small.jpg|center|100px|link=Chlorine Dispenser]]
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|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Chlorination_in_piped_systems|Chlorination in<br> piped systems]]</div>
|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Chemical_disinfection_/_Free_chlorine|Chemical disinfection <br>/ Free chlorine]]</div>
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