FOCUS ON ULTRAFILTRATION: overview & drivers for applications.


FOCUS ON ULTRAFILTRATION: overview & drivers for applications.

Ultrafiltration (UF) is basically a pressure-driven separation process: a liquid is forced by the hydrostatic pressure against a semipermeable membrane, which allows small molecules (as of water) to pass but holds back larger ones (as of the impurities to be removed). This process is suitable for retaining biomolecules, bacteria, viruses, polymers, colloidal particles and dissolved organics (partially).

During the Technical meeting of the Niagara project held at ADUE’s premises on March 16, 2015, the University of Bologna illustrated a review on the Ultra-Filtration Technology which will serve as a basis for the next study of the Ultra-Filtration system to be integrated into the new water treatment system prototype.

The review concluded that, as originally supposed by the project, ultra-filtration is not enough as a stand-alone system for water recovery , but reaches optimal results and maximum effectiveness in series to other complementary water treatment technologies (reverse osmosis, particularly).

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