Sanitary sewage up to national Grade 1 emission standard after the treatment of regulation, precipitation and sterilization by CL buried sewage treatment plant.
生活污水经调节、沉淀、消毒处理的CL地埋式生活污水处理成套装置处理后达到国家规定的一级排放标准。
2
On the basis of studying the mechanism ofsewage scaling and its softening treatment, the technique for water quality soft process with sodium hydroxide precipitation method is determined.
在污水结垢机理和软化处理研究的基础上，确定了氢氧化钠沉淀法进行水质软化处理的工艺。
3
The combined technology of coagulative precipitation-iron chippings filtering-alkaline separation was ed to purify the high concentration sulphur dyeing sewage.