the development and reform commission and the ministry of housing and construction issued the notice on the mid-term evaluation of the construction and planning of the urban sewage disposal facilities in 13th five-year, which will be published in the "13th five-year" plan for the construction of urb
[2018-7-23]
during the operation of the municipal sewage plant, the operation managers directly feel whether the water is normal, whether the structure is normal and the treatment effect is stable. an experienced operation manager can often make rough judgments based on observations, so that some operational st
[2018-7-23]
the treatment rate of urban sewage tends to be saturatedfrom 2000, the sewage treatment industry in china entered the golden period of gold development. the capacity of municipal sewage treatment increased from 61 million 550 thousand cubic meters per day in 2002 to 167 million 790 thousand cubic me
[2018-7-16]
1. backgroundurban sewage is the product of urban development. with the acceleration of urbanization and industrialization, the amount of production is increasing and pollution is becoming more and more serious, which has seriously restricted the sustainable development of urban social and economic.
[2018-7-16]
in the 90s of last century, china began collecting sewage charges in cities, first in the key river basins, and then rapidly spread throughout the country. the relevant state departments promptly summed up the experience of various places, issued a series of guiding opinions or notifications, and co
[2018-7-09]
with the development of industrial and agricultural production and the improvement of people's living standard, the emission of nitrogen compounds has increased rapidly, which has become the main source of pollution in the environment, and has attracted the attention of all walks of life. econom
[2018-7-09]