Filter Element targets water treatment operations.

Press Release Summary:

Measuring 18 in. in diameter x 61 in. long, MegaMagnum spiral reverse osmosis (RO) and nanofiltration (NF) element contains over 2,800 ft² of membrane surface area. Product helps reduce installed cost of large- and medium-scale RO systems designed for brackish water treatment or municipal water reuse as well as nanofiltration systems where softening or organics removal is desirable treatment for drinking water supplies.

Original Press Release:

Koch Membrane Systems Announces Megamagnum Element

World's First 18" Spiral RO and NF Element

Wilmington, MA - Koch Membrane Systems, Inc. (KMS), a world-class developer and manufacturer of innovative membrane filtration and separation products, announces the MegaMagnum spiral reverse osmosis (RO) and nanofiltration (NF) element. It has an unprecedented capacity that comes from its unique 18-inch diameter and 61-inch length. MegaMagnum elements significantly reduce the installed cost of large and medium-scale reverse osmosis systems designed for brackish water treatment or municipal water reuse, and for nanofiltration systems where softening or organics removal is a desirable treatment for drinking water supplies.

A single MegaMagnum spiral element contains more than 2,800 square feet of membrane surface area, compared to 400 square feet in commonly deployed 8 x 40 inch products. Floorspace required for MegaMagnum element pressure vessel racks is approximately 50% of that for 8-inch racks, allowing users to substantially reduce building size and civil costs associated with a project. Additionally, the reduction in the number of connections and the size of the membrane rack provides savings in equipment capital costs, while allowing larger trains to be considered.

Until now, element size has been limited by practical issues such as the ability to manufacture very large elements, the availability of ASME-rated pressure vessels, and the need to incorporate easy methods of handling. Overcoming these challenges, KMS is the first company to build 12.75-inch, 15-inch, 16-inch, 17.25-inch and 18-inch diameter elements. Additionally, KMS is the only company to successfully produce 60-inch long spiral wound elements. KMS has also developed a special system for easy loading and unloading of the large elements.

Pilots using MegaMagnum elements have been performed at several locations including the City of Scottsdale in Arizona and the Metropolitan Water District of Southern California. Each of these pilot studies verified that MegaMagnum elements operate at similar fluxes and pressures and produce the same water quality at the same fouling rate as standard 8-inch elements.

About Koch Membrane Systems
Koch Membrane Systems, Inc. has been a global leader in separation and filtration products for over 30 years. A designer and manufacturer of state-of-the-art membrane cartridges and elements, as well as complete membrane systems, KMS has products that treat even the most demanding applications. To enhance membrane performance, KMS offers a line of antiscalants and cleaning chemicals, and provides numerous maintenance and technical service programs. The company has supplied membranes to more than 15,000 systems used around the world, serving the food processing, life sciences, and general manufacturing industries, as well as providing potable water and wastewater treatment technologies for communities of all sizes.

Headquartered in Wilmington, Massachusetts, Koch Membrane Systems is a member of Koch Chemical Technology Group, LLC. For more information on Koch Membrane Systems visit, call 888-677-5624 or write to

MegaMagnum® is a registered trademark of Koch Membrane Systems, Inc.

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