sewage treatment plant directly undertakes the function of purifying sewage. it is the first battlefield to achieve the goal of water environment treatment, and also the main profit realization link of sewage operation company. however, with the improvement of effluent quality standards of sewage tr
[2019-1-04]
the multi-stage activated sludge denitrification process separately removes bod5, nitrification and denitrification in several stages of reactor. first bod5 was removed by oxidation, then nitrification, and finally denitrification. each section has its own reaction tank and sedim
[2019-1-04]
china is a vast country with a huge climate span between different regions. most sewage treatment facilities in china, especially in the north, are facing the test of low temperature in winter. in winter, the operation and management of sewage treatment stations should pay attention to the following
[2018-12-27]
biological aerated filter (baf) integrates biological oxidation and suspended solids interception to save the subsequent secondary sedimentation tank and sludge reflux, and simplifies the treatment process on the premise of ensuring the treatment effect.biological aerated filter (baf) has the charac
[2018-12-27]
at present, the sewage treatment work has become an important work of our government, especially for the sewage treatment work in cities and towns. the shortage of sewage treatment work has become an important factor restricting the local development. therefore, for the sewage treatment plants in ci
[2018-12-18]
in recent years, with the national and local attention to pollution control, the national standards for sewage treatment are more stringent. the pollutant discharge standards for municipal sewage treatment plants (gb18918-2002) are being adjusted. local standards have been issued in many areas, such
[2018-12-18]
