with the continuous development of aquaculture industry, a large number of aquaculture wastewater is discharged, which causes serious water pollution and brings a series of environmental protection problems. aquaculture pollution has become the third major source of pollution after industrial pollut
[2018-12-13]
i. short-cut nitrification and denitrification1, introductionbiological denitrification includes nitrification and denitrification. the first step is the nitrification process in which nitrite bacteria oxidize nh4 -n to no2-n; the second step is the process in which nitrifying bacteria oxidize no2-n
[2018-12-13]
from "fee" to "tax", with the publication of "expanding the implementation measures of water resources tax reform pilot" at the end of last year, this means that enterprises are forced to save water and control unreasonable water use behavior, while further promoting the recycling of reclaimed water
[2018-12-10]
since shenzhen qingquan knowledge seminar-oily sewage treatment technology and key technologies entered the new century, with the rapid improvement of market economy level in china, all walks of life have achieved very rapid development, and the living standards and quality of life of urban resident
[2018-12-10]
with the continuous development of ecological civilization and urbanization, urban underground sewage treatment plant has become an important direction of comprehensive utilization and sustainable development of underground space. therefore, it is of great practical significance to analyze the devel
[2018-11-26]
sludge refers to solid, semi-solid and liquid wastes produced in the process of sewage treatment. sludge treatment is the process of sludge volume reduction and stabilization by reducing sludge moisture content. the process usually consists of sludge concentration, stabilization and dewatering units
[2018-11-26]
