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INDUSTRIAL WASTEWATER RECOVERY
time:2020-12-27 21:44 Clicks:

INDUSTRIAL WASTEWATER RECOVERY

       The key technology of reclaimed water reuse is to use "ultrafiltration + reverse osmosis" double membrane technology, which is the mainstream process in membrane wastewater reuse process, mainly including the process flow of pre filtration equipment + ultrafiltration membrane equipment + reverse osmosis membrane equipment. Membrane separation technology has the characteristics of normal temperature operation, no phase change, high efficiency and energy saving, and no pollution in the production process. It can realize the recycling and emission reduction of water resources. The membrane process of reclaimed water reuse has the advantages of small land occupation, high degree of automation and convenient operation and maintenance. The high efficiency separation of membrane (rejection rate above 9%) ensures the efficient recovery of water resources.
 
Scope of application
 
       Membrane separation technology has been widely used in drinking water purification, industrial water treatment, food and beverage water purification, sterilization, recovery of bioactive substances, refining and other fields, and has been rapidly promoted to textile printing and dyeing, chemical industry, electricity, food, metallurgy, petroleum, paper making, biology, pharmaceutical, fermentation and other industries.
INDUSTRIAL WASTEWATER RECOVERY
Ultrafiltration Equipment
Ultrafiltration Equipment
       The ultrafiltration membrane is covered with micropores, and the pore size is expressed by the molecular weight of the material which can be intercepted, and the molecular weight can reach thousands to hundreds of thousands. The raw water flows in the outer or inner cavity of the hollow fiber under pressure, forming external pressure type and internal pressure type respectively. Ultrafiltration is a dynamic filtration process, which has a high removal rate of solids, colloids, macromolecules and bacteria. The retention material can be discharged with the concentrated shrinkage, which will not block the membrane surface, and can operate continuously for a long time.

Polytetrafluoroethylene (PTFE) hollow fiber membrane
Polytetrafluoroethylene (PTFE) hollow fiber membrane
①Super mechanical properties
The mechanical strength of PTFE hollow fiber membrane is very high. It can ensure high load operation and There is no broken wire in the environment of high strength cleaning.
②Strong chemical resistance
PTFE hollow fiber membrane has excellent temperature resistance, strong acid and alkali resistance, aging resistance Anti pollution performance, can be stable in poor water quality operation.
③Permanent hydrophilic properties
PTFE hollow fiber membrane can keep permanent after special hydrophilic treatment Hydrophilic property, the membrane silk can also maintain long-term hydrophilicity after drying

Reverse Osmosis Equipment
Reverse Osmosis Equipment
       RO reverse osmosis (RO) technology is a kind of polymer material which is made by simulating biological semi permeable membrane, and the diameter of surface micropores is between 0.5 nm and 10 nm. The process of separating the solute and solvent in the solution by the selective retention of the semi permeable membrane.
       Reverse osmosis technology can not only be used in food industry, medicine, chemical industry, photovoltaic, power, electronics and other industries, but also can be used in electroplating, printing and dyeing, landfill leachate, petrochemical and other industrial wastewater reuse. Reverse osmosis technology is the most widely used desalination technology. It has the advantages of good water quality, low energy consumption, no pollution, simple process and simple operation. It can effectively alleviate the serious water shortage and the requirements of energy conservation and emission reduction. On the one hand, it can reduce the pressure of sewage treatment, curb pollution at the source, protect the environment, and reduce the pressure of water supply, Realize the recycling of water resources.

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