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Over the last few years, membranes have become the preferred treatment technology in municipal water and wastewater treatment. However, many industrial treatment processes have continued to rely on conventional techniques. With recent improvements in membrane technologies, and with
more stringent discharge requirements for industrial systems, membranes are becoming the preferred treatment technology for industrial processes as well. Common applications for using membranes in industrial treatment systems include: Secondary
treatment, using Membrane Bio-Reactors (MBR), where BOD and TSS limits are being tightened. Tertiary treatment, using low pressure membranes (e.g. Microfiltration), where the effluent is being reused. Tertiary treatment,
using high pressure membranes (e.g. Nanofiltration, Reverse Osmosis [RO]), when Total Dissolved Solids, metals, and/or emerging contaminants must be removed to meet tightened discharge requirements. Most industrial wastewater streams contain
higher organic loads, measured in thousands of mg/l BOD and COD, than municipal streams. Also, many industrial streams have high concentrations of TDS. Finally, peaking factors for industrial streams tend to be much higher than for municipal streams. These factors make industrial treatment
systems challenging to design. This presentation provides information on how membranes have been or will be used in several industrial applications to achieve treatment targets.
Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed. WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.