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Super Micro Filter

Perfect Backwashable Micro Filter

Though there are numerous technologies available for separating contaminants from polluted water, one of the simplest and most effective is the filtration method. Filtration has been defined as one of the best separation technologies as it is not dependent upon chemi- cal treatment and it prevents re-contamination.


Most of the previously utilized filtration technologies have been conventional sand and media filtration, cartridge or bag filtration, ceramic, highly polymerized compounds and membrane filtration. These products, which are manufactured from various raw materials and are readily available in the market, have the respective pore sizes which range from tens of microns to ionic particle size.


Although these technologies are capable of filtering as intended, they are only marginally utilized in the municipal and industrial marketplace. Such utilization has been limited to small purification plants and other simple treatment processes. The hindrance to complete utilization of these filters has been primarily due to very lim- ited cleansing capabilities of the systems.


Previous microfiltration systems have had either limited or no back washing capabilities which was due to the design parameters of the systems. Conventional fixed pore micro filtration systems have also been restrictive in use due to the high cost of element replacements. Cleaning of the elements has been difficult due to penetration of the matter into the pore structure of the element.


The introduction of the Super Micro Filter Variable Micron Filters (SMFVMF) revolutionizes the entire concept of micro filtration.



As shown in figure 1, filtration products are usually classified by pore structure and surface type. Most of the previous conventional, variable-micron structure filters have been limited to removal of particle size larger than 15-microns.


Visualizing the need for a superior micro-filtration system, developed the SMF system, which has been developed, tested and proven with over two years of performance. SMF systems are being operated and maintained at over 200 facilities throughout Korea, Australia, Japan and Western Europe.


Introduction of the SMF System

Operation of the SMF system is entirely different from the traditional media or cartridge filtration systems. The SMF has been defined by users as the perfectly backwashable micro filter. It has been pat- ented in the USA (Patent No. 5984108), Japan (Pat- ent No. 3131190) and Korea (Patent No. 0241198). Further patents are being applied for in various countries.


The SMF has the following characteristics:


  • The filtration process operates with multiple layers of micro fiber
  • The backwash process is very rapid, requiring only 3 – 5 minutes
  • Perfect backwashing is achievable by means of water and air
  • There are five models available ranging from 25-micron to 0.2-micron

The SMF system may be utilized over a wide range of applications such as potable water purification, sewage and wastewater treatment, pre-treatment of advanced water treatment processes and the removal of green algae such as chlorophyceae.


Uses for the SMF system


  1. Purification Plants
    The SMF is capable of replacing conventional sand filters, cartridge filters and MF membrane systems.
  2. Polluted Water Treatment
    The SMF is able to remove the SS, and to decrease the BOD after biological treatment.
  3. Sewage Water Treatment
    After biological treatment, the effluent from the SMF systems can be utilized for irrigation purposes.
  4. Waste Water Treatment
    The levels of COD, BOD and SS are dramatically reduced by use of the SMF.
  5. Pre-treatment for Advanced Water Treatment
    The SMF may be utilized as pre-treatment for membrane systems, ion-exchange, ozone, activated carbon, and UV systems.
  6. Removal of algae and other organisms
    The SMF has been found to provide excellent per- formance in removal of chlorophyceae in aquatic fish ponds, process water recirculation, cooling tower fil- tration, vehicle washing recirculation and numerous other raw water conditions.






The PLT – S20-MD2 Pilot Unit is a self contained fully operational unit designed for pilot testing to establish the operating parameters of a full-scale plant.


As shown in the photo one module is supplied in a clear PVC housing to allow the operator to visually determine the operation of all cycles.


The unit is complete except for the air supply which can be supplied by a small air compressor. The air requirements are 170 LPM @ 1 – 2 BAR.


The PLT – S20 – MD2 pilot unit is supplied to prospec- tive clients on a lease basis for pilot plant operation at a nominal cost.



Micro Plants in Operation




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