Study on wastewater discharge coefficient and collection fee coefficient for discharging pollutants from diet and recreation - serving trades 饮食娱乐业废水排放及排污收费系数的讨论
After optimisation of water - using network in an iron works , freshwater can be reduced by 57 . 7 % and wastewater by 75 . 9 % 改造后的铁厂用水网络新鲜水用量节约57 . 7 % ，废水排放量减少75 . 9 % 。
Local public services - guidelines for service activities relating to drinking water supply and sewerage - part 1 : user services 本地公共服务.饮用水供应和废水排放服务指南.第1部分:用户服务
Dtu 60 . 33 - building works - unplasticized polyvinyl chloride piping installations - waste water drainage - technical specifications Dtu 60 . 33 .建筑工程.非塑化聚氯乙烯管道安装.废水排放管.技术规范
Plastics piping systems for non - pressure underground drainage and sewerage . polypropylene . guidance for the assessment of conformity 非压力地下废水排放和污水系统的塑料管道系统.聚丙烯.符合性评定指南
Process change method was used to improve water - using system in iron works for minimizing wastewater generation 摘要将过程改变法应用到铁厂用水系统改造中，对其用水网络进行调优，实现废水排放量最小化。
Local public services - guidelines for drinking water supply and sewerage service activities - part 2 : management of a sewerage network 地区公共服务.饮用水供应和废水排放服务指南.第2部分:废水排放网络管理
Local public services - guidelines for service activities relating to drinking water supply and sewerage - part 3 : management of waste water treatment 地区公共服务.饮用水供应和废水排放服务工作指南.第3部分:废水处理的管理
Plastics piping systems for non - pressure underground drainage and sewerage . unplasticized poly vinylchloride . guidance for assessment of conformity 非压力地下废水排放和污水系统的塑料管道系统.非增塑聚氯乙烯.符合性评定指南
Local public services - guidelines for service activities relating to drinking water supply and sewerage - part 4 : management of drinking water system 地区公共服务.饮用水供应和废水排放服务工作指南.第4部分:饮用水系统的管理
