Study On Industrial Sewage Treatment By Surface Aeration Of Activated Sludge

Activated Sludge is the self-purification of water bodies and artificial strengthening. Rely on the aeration tanks were suspended mobile groups of organisms state of aggregation, adsorption, oxidation and so on to remove the organic matter in sewage.Industrial effluents of the urban sewage is a major source which with acidic, higher COD content features. In this paper, Study on Daqing City industrial sewage treatment by surface aeration of activated sludge. Activated sludge used in different types of experiment treatment device. Right to treat sewage in certain temperature and aerobic. Sludge use rainwater proportion of the different share and separation devices, and sewage sludge separation achieve the purpose of sewage treatment. Include temperature, dissolved oxygen, aeration time, the pH of factor to consider. Using office processing equipment, Experimental results show that right COD efficiency of 50%-60%, SVI at 70ml/g-90ml/g.