英语词典
The secondary treated sewage effluent was treated with the reformed coagulating technology, which removed about 70% carbonate alkalinity, after the treatment with acid sulphate, and attained the demand of circulating cooling water, even the higher demand of water quality.
改进后的石灰混凝法处理的城市污水厂二级出水,碳酸盐碱度的去除率达70%,经中和处理后,达到循环冷却水的要求,可作为更高水质要求的回用水。
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