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饮用水深度处理技术发展

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摘要 我国城市污水废水排放水质标准(即经过污水处理厂处理后排放的水)要求最高的是一级A,化学需氧量限量是50mg/L,但国家规定的地面水环境质量标准最差的V类水体的限量是40mg/L,也就是说建立一个工厂,它排出的废水水质要差于最低等级的水体水质,那/厶肯定会污染水体,建立工厂越多,污水处理厂越多污染就越多,环境遭到污染是必然的。除非排放标准还要进一步严格,才能保护好水体,但这需花大代价才能达到。
出处 《建设科技》 2013年第23期40-44,47,共6页 Construction Science and Technology
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