Domestic and municipal sewage treatment plant development overview: Water is an important factor in economic development and social sustainable development. With the continuous expansion of the city and the increase of population, water pollution has become a major problem. Urban sewage is a major cause of pollution of the waters of rivers and lakes at present, is one of the main constraints to sustainable development in many cities. "Environmental Protection" is China's basic national policy, governance objectives in 2000 China's sustainable development strategy and to develop countermeasures, requiring urban centralized sewage treatment rate of 20%. At present, China is in the period of great development of urban sewage treatment business, particularly with the implementation of the country's western development strategy, the Chinese central and western environmental and ecological protection has been put on the priority agenda. Situation and urban sewage treatment problems: our major cities have polluted rivers domestic wastewater treatment prices, because the river mobility, changes, using conventional methods of domestic wastewater treatment tank, which uses artificial and mechanical dredge river , can not cure the problem of pollution of rivers, pollution of rivers in the world belongs to the forefront of technology. 1999 10 with the approval of the provincial Environmental Protection Bureau, and in support of the EPA under Haikou City, on October 27 start date Datong ditch in the sea area of ??30 m Galaxy Road long, 20 meters wide and 2.0 meters deep production of engineering test run on the river. The river is located in Haikou city, nearly 5 kilometers in length, due to the large number of municipal sewage discharged into the river, the river is heavily polluted, producing a large number of primary sludge, water backflow, blue algae continue to breed, odors thick, black river Over the years people called "a drainage ditch." In recent years, the city government has also repeatedly Qingtao river bed, but the effect was not significant, symptoms not causes. The use of "WT - FG" after the biological treatment, the total elimination of odors within three days, after two months of treatment, the water becomes tasteless and colorless. Transparent water, sludge by 45 cm, reduced to 8 cm, there 2000--2400 tons of polluted river water upstream wastewater treatment equipment daily life, through which the river; sewage effective governance, the water quality up to the national "Surface Water environmental quality standards "4 class standard of living wastewater treatment, dissolved oxygen 5--6mg / L, COD = 20--3Omg / L, BOD5 = 5--6mg / L, transparency 0.5--1.2 m current water already treated fish, there are more than 200 pieces of red goldfish and red carp have been in the river healthy survival of more than four months, the Haikou Municipal People's widely praised for the people made a heck of a good thing. Luoyang Yu Quan green _ _ Jiangmen domestic wastewater treatment costs for sewage treatment is provided by the Luoyang Yu Quan sewage treatment Limited. "Environmental protection equipment, sewage treatment equipment, industrial wastewater treatment equipment, grille decontamination machine" preferred Luoyang Yu Quan sewage treatment, Ltd. (2), the company is located at: the 6th Luoyang Anle Zheng Village Industrial Park Luolong District, Over the years, Luoyang Yu Quan environmental protection to provide customers the best quality service, contact: Chang Chih-feng. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Luoyang Yu Quan environmental expect to be your long term partner!