China Drying Network News Daqing Petrochemical Water and Gas Plant continuously optimizes production process, removes sludge in domestic sewage through vortex-air flotation technology, and uses aeration biological filter process technology to further purify organic impurities in water to meet domestic sewage treatment standards. the goal of. In the first six months of this year, the average final COD index of domestic sewage after treatment by the domestic sewage treatment plant of the plant reached 35 mg/l, which was far lower than the national Class I B standard, and the ammonia nitrogen pass rate reached over 80%. As the highest level in history, it has ensured that the water in the Songhua River is not polluted. An excavator hydraulic sweeper is a type of attachment that can be added to an excavator machine. It is used to sweep and clean various surfaces, such as roads, parking lots, and construction sites. The hydraulic sweeper is powered by the excavator's hydraulic system and consists of a rotating brush or broom that sweeps debris into a collection bin or hopper. The attachment can be adjusted to different angles and heights to accommodate different surfaces and debris types. It is commonly used in construction, landscaping, and municipal maintenance applications. Hydraulic Rotary Broom,excavator sweeper broom,Hydraulic Road Sweeper,Hydraulic Sweeper Brush CATSU Hydraulic Machinery Equipment Co.,Ltd , https://www.tiltrotatorcatsu.com