Urban untreated sewage reuse, residential sewage treatment equipment prices, the advantages are: energy saving, Nyingchi residential sewage treatment equipment, pollution-free. Choose Shandong Ruizhao Xiang sewage treatment facilities. Physical methods of sewage treatment: The main advantage of the physical effects of the non-separation of waste water soluble substances in the process does not change the chemical properties. Commonly used gravity separation, centrifugal separation, reverse osmosis, flotation and the like. Treatment of physical structure is relatively simple, economical for large towns water capacity, strong self-purification capacity, the situation is less demanding level of treatment of sewage.