Precision filter to protect the natural water environment

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In order to strengthen the urban sewage treatment, protection of the water environment, the central launch efforts to increase the precision filter. Existing 668 cities in the country, only 123 cities have 307 different processing levels of urban sewage treatment plants, of which about 10% of secondary urban sewage treatm ent rate, 17,000 towns across the country, the vast majority did not drain and precision filter is sewage treatment facilities. Throughout the world, drainage systems and precision filter sewage treatment rate there is a gradual development and gradually perfect the process. Required to achieve 25% of a country to 2000 China s sewage treatment rate reached 40% in 2010, and strive to achieve in all aspects of efforts.

The Ultrafilter should the analysis of existing water quality data measured need to scientifically determine the sewers interception ratio of rainwater and sewage drainage system and the old town. Now designed to be treated the problem of high effluent quality is common to take into consideration the design of sewage water and sewage water quality, too aggressive too large, both increased investment would also enable the device is idle or inefficient operation. Many cities because of the urban sewers are not forming system, the lack of long-term accum ulation of sewage water volume data is generally taken by the planning area, population and industrial development forecast to derive the amount of sewage, and raised the amount of sewage, industrial waste water, and public buildings the respective proportions of commercial quantity of sewage, the more uncertainty, the proposed design volume of sewage is often too great. In fact, the amount of sewage calculated according to plan and the volume of sewage, the actual amount of sewage collected is different and based on the needs and possibilities for processing sewage, the amount of sewage in the design depends largely on the sewage pipe network penetration and possible to collect the actual amount of short and long term sewage, sewage treatment plant and construction phases.water filters cartridges

The precision filter on the choice of specific engineering requirements include: â'  reasonab le. Advanced and mature technology, adaptable to changes in water quality, effluent standards and high stability, easy to handle sludge. â'¡ economic energy saving. Small power consumption, low cost, small footprint. â'¢ easy to manage. Easy operation and management, and reliable equipment. â'£ great importance to the environment. Equipment layout in harmony with the surrounding environment, attention to the factory noise control and odor governance, green, road and phased construction is a good combination. A city, to be based on the overall urban planning and drainage planning stages, the construction of the sewer network and sewage treatment plants, according to the water environmental protection objectives, implemented in phases, gradually put in place. Urban drainage works construction is a systematic project involving the transformation of urban pipe drainage, sewage collection, transportation, use of sewage treatment and disposal, as well as precision filter sludge di sposal problem; cities in river networks, need to consider the upstream, downstream and water self-purification problems.

The precision filter sewage treatment each technology has its own advantages and characteristics of the applicable conditions and the lack of, it is not possible in a process in place of all other processes, we should not leave the specific local conditions and the condition of our country. The precision filter process should be chosen based on the raw water quality, water requirements, the size of the wastewater treatment plant sludge disposal methods, and the local temperature, engineering geology, land acquisition costs, pricing and other factors carefully considered. The same process in different influent and effluent conditions, access to the different design parameters, the selection of equipment is not static. Reasonable to determine the design of the sewage water and wastewater quality, directly involved in the project investment, runni ng costs and cost-effectiveness. Filter landscape water conservation significance.