Beijing Hotel sewage detection Beijing catering oil sewage detection

  All restaurants, snack bars, hotels and canteens need pollution discharge certificates
The lampblack, sewage and noise generated need to be tested to meet the requirements of the environmental protection department before they can be opened
It is a regulation on the main pollutants according to the characteristics of the pollution source
As a test item, the technical specification for environmental protection of catering industry stipulates that the quality of oily sewage in catering industry has 7 items, including: , 1
PH value , 6
5-9
5  2
SS suspended solids , 400  3
Cod chemical oxygen demand , 500  4
Ammonia nitrogen , 45  5
Anionic surfactant , 206
Total phosphorus , 87
Grease (animal and vegetable oil) , 100