Research on the application of A2/O water treatment technology in cement production line of Saudi Arabia project
At present,the sewage treatment unit of cement plants at home and abroad is mainly based on A/O process,which is rela-tively simple and has a small investment,and although the total nitrogen removal rate is controlled at more than 70%,it is difficult to improve the nitrogen removal efficiency.The A2/O process has relatively low energy consumption,small footprint,strong adaptability,and reduced sludge production,and can achieve efficient phosphorus removal through the internal circulation of the anaerobic stage,reducing the use of chemicals.In this paper,combined with the mature municipal sewage treatment process at home and abroad,the discussion is carried out on whether the A2/O water treatment process is suitable for cement production lines in Saudi Arabia.
Saudi ArabiaCement plantsewage treatment processdenitrificationphosphorus removalA2/O process