Nanofiltration membranes have a pore size of 0.001 μ
which can filter waste water from low organic content until high organic
content. Nanofiltration is also used for water softening, removal of micropollutants such as sewage treatment and wastewater. So it can be used for
laundry wastewater treatment alternatives.
Natural zeolite is a suitable material in the fabrication
of membrane because it is not easy to inflate in water and easily form a
suspension to coat the membrane as a support. Membrane based zeolite are alsoused widely for the separation of hydrocarbon gases, solvent dehydration, as a
catalyst for chemical conversion, pollutants remediation and clean water
production.
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