国产精品日本无码久久一老A,人妻互换HDF中文,色婷婷AV一区二区三区之红樱桃,少妇大叫又粗又大太爽A片,艳肉乱痕1一12章,脔到她哭H粗话H上司1V1,4399少妇做受免费A片,国产精品一区二区亚瑟不卡,日本爽爽爽爽爽爽免费视频

Xiamen baixiang kitchen food co., LTD. Airline catering sewage treatment project

Column:Sewage disposal Time:2019-07-24
shared:

image.png

Project description: the construction scale requires a total sewage treatment capacity of 80 tons/day, including 30 tons/day of production wastewater and 50 tons/day of domestic wastewater.

image.png

The treatment process of "grille grease trap + regulating tank + hydrolytic acidizing tank + aerobic contact oxidation tank + secondary sedimentation tank + sludge concentration tank" was adopted.


The final discharge of wastewater is superior to the level 3 discharge standard of xiamen municipal water pollutant discharge standard (db35-322-2011) and basically reaches the level 1 discharge standard