The static tests of treating waste water containing sulfate by SRB show that the sulfate removal rate is higher in anaerobic environment than in aerobic environment.

硫酸盐还原菌SRB处理硫酸盐废水的试验表明，厌氧环境下的硫酸盐去除率大于有氧环境下的去除率；

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On the basis of analyzing the flow rate and quality of hospital waste water and the national drainage standard, the author studied the treatment method and effect factors.

在分析医院污水的水质、水量特征基础上，根据国家医院污水排放标准，探讨了处理工艺，分析了污水处理站设计要点和加氯消毒效果的影响因素。

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With COD removal rate as a reference, several magnetic coagulants used in restaurant waste water are systematically studied.

以COD去除率作性能参数，考察了几种复合磁絮凝剂在高、低二种浓度餐饮废水中的絮凝效果。

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By 2015, the government intends to add 42 million tons of daily sewage treatment capacity to increase its urban waste water treatment rate to 85 percent.

FORBES: Quenching China's Thirst For Water

The rate of tax paid by each household is also used to calculate waste water and refuse collection charges.

BBC: Guernsey's property tax appeal panel needs more members