The cleaning methods for membranes are mainly divided into two major categories: physical cleaning and chemical cleaning. The specific method to be used should be selected based on the type of contaminant, membrane material, and operating conditions.
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2025-11-04
Desalination membranes require high pressure primarily because reverse osmosis technology must overcome the high osmotic pressure of seawater, forcing water molecules to pass through the membrane pores while retaining salt ions.
The core differences between DTRO membranes (disc-tube reverse osmosis membranes) and conventional RO membranes (spiral-wound reverse osmosis membranes) primarily lie in their structural design and application scenarios.
Industrial reverse osmosis membranes have pore sizes as small as the nanometer scale (e.g., 0.0001 microns), enabling them to effectively remove colloidal substances, microorganisms, dissolved salts, and organic pollutants from water, resulting in remarkable purification performance.