Treating waste water into streams for reuse or disposal – particularly those contaminated with chemicals, oils, greases, or emulsified materials – can be highly difficult in terms of performance efficiency and cost. Thankfully, new advanced-filtration membranes are addressing these challenges. Here’s how industrial water-treatment professionals are benefiting from the new Anti-Fouling technology in RO membrane manufacturing.
The physical nature of these patented anti-fouling membranes is one of their significant differences. The composite base membranes include a porosity of 75%, a hydrophobic polymer matrix that repels water, and a hydrophilic inorganic filler that draws water through the membrane, providing capillary forces that provide greater flux than normal hydrophobic membranes. These base membranes are subsequently processed to create super hydrophilic membranes, which increase resistance to fouling by oils and other viscous substances even more.
These membranes may be backflushed without worry for delamination since the composite material is a single layer rather than a cast thin layer over a larger pore size structural support. Backwashing provides for alternative cleaning procedures, which can minimize fouling and prolong the membrane’s lifetime. Anti-fouling membranes with combination of hydrophobic/hydrophilic characteristics provide high-flux performance while extending the life of backflush cleaning. This combination of characteristics is appropriate for filtration applications that are complicated by chemical, oils, greases, and different emulsified materials.
The advantages of anti-fouling membrane technologies include evident performance improvements and increased economies, making them ideally suited for a wide range of applications. These include oil/grease/water separation, as well as reverse-osmosis (RO) pretreatment applications. Consider the following advantages
High Flux Rates.
In comparison to earlier, conventional membrane designs, these novel anti-fouling membranes provide effective separation and high flux rates (Figure 3) at comparable or lower pressures for water reuse or clean-water release. They may also recover more reused oils and grease than conventional filtering methods.
Reduced Fouling
In any application, the ability to operate membranes at lower transmembrane pressures helps in fouling reduction. Anti-fouling membranes were created to deal with more difficult-to-treat waters where other conventional membranes would foul fast, keeping the membrane clean and extending its life.
Exceptional Permeate Quality
The perfect pore size distribution of this anti-fouling membrane enables for highly effective removal of total suspended particles, free oil, and emulsified materials down to less than 10 ppm levels. Consistent porosity catches more pollutant and provides superior water quality in the permeate, especially in commercial greywater reuse applications hampered by soap, surfactants, and other debris.
Improved Economic Performance
The perfect pore size distribution of this anti-fouling membrane enables for highly effective removal of total suspended particles, free oil, and emulsified materials down to less than 10 ppm levels. Consistent porosity catches more pollutant and provides superior water quality in the permeate, especially in commercial greywater reuse applications hampered by soap, surfactants, and other debris.
At HID we product industrial AF membrane for 4040 and 8040 models. BW-4040-AF and BW-8040-AF
Post time: Aug-10-2022