However, in current main biochemical sewage treatment technology, the aeration devices are the primary energy-consuming equipments, which system costs about 50-70% of the total power consumption.
但在当前主流的生化法处理工艺中，曝气设备是其中的主要耗能设备，曝气系统电耗约占处理厂全部电耗的50- 70%。
Sewage sludge which mainly comes from the primary settling tank and discharge of surplus sludge is the deposit produced in each operating unit in municipal wastewater treatment plant.
城市污泥是城市污水处理厂经各级处理净化污水而产生的沉积物，主要来自初沉池和剩余污泥的排放。
Through primary treatment of acid wastewater, polymerizing iron sulphate of sewage cleaning anents is prepared.
对酸洗废液进行一次性处理，并制取污水处理剂聚合硫酸铁。
The experimental results indicated as well that canceling primary sedimentation tank and cesspool when building houses would avail to stable running of sewage treatment plant.
试验结果表明：在污水处理厂取消初沉池，及修建住宅时取消化粪池，对污水处理厂的稳定运行有益。
The primary biological law, the absorption of union alkali and the physical law of governmental sewage treatment plant producing odor gas such as H2S, CH4 were emphatically studied.
进行了以生物法为主，结合碱吸收和物理法治理污水处理厂产生的H2S、CH4等恶臭气体的研究。
The primary biological law, the absorption of union alkali and the physical law of governmental sewage treatment plant producing odor gas such as H2S, CH4 were emphatically studied.
进行了以生物法为主，结合碱吸收和物理法治理污水处理厂产生的H2S、CH4等恶臭气体的研究。
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