自來水

作者:水商網
自來水含義:

自來水,是指水廠將取自湖泊、河流、水井或水庫等水源的淡水,經過混凝、沉淀、過濾、消毒等凈水工序,最后由機泵透過輸配水管道供給用戶的水。一些國家和地區規定,自來水必須符合國家生活飲用水衛生標準,而可直接生飲,否則要經過煮沸才可飲用。

還有一種經海水淡化而成為飲用水,先進國家都有開發海水淡化廠,但因處理成本較高,大多只用于缺乏水源的地方。

自來水存在的安全問題:

(1)氯消毒問題;(2)微量有害物質;(3)塑膠微粒;

自來水在疏松過程中存在的問題:

(1)水管銹蝕;(2)停水;(3)分區供水;(4)漏水;(5)水表故障;
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