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   桶装水首页 /  桶装水知识 /  自来水

自来水

作者：水商网
自来水含义：

自来水，是指水厂将取自湖泊、河流、水井或水库等水源的淡水，经过混凝、沉淀、过滤、消毒等净水工序，最后由机泵透过输配水管道供给用户的水。一些国家和地区规定，自来水必须符合国家生活饮用水卫生标准，而可直接生饮，否则要经过煮沸才可饮用。

还有一种经海水淡化而成为饮用水，先进国家都有开发海水淡化厂，但因处理成本较高，大多只用于缺乏水源的地方。

自来水存在的安全问题：

（1）氯消毒问题；（2）微量有害物质；（3）塑胶微粒；

自来水在疏松过程中存在的问题：

（1）水管锈蚀；（2）停水；（3）分区供水；（4）漏水；（5）水表故障；
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