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Drinking Water Filtration System Effectively Removes Arsenic; Koch Membrane Systems Module Shines in Test by Drinking Water Treatment Systems Program.


Business Editors

WILMINGTON, Mass.--(BUSINESS WIRE)--Oct. 10, 2001

An evaluation by the Drinking Water drinking water

supply of water available to animals for drinking supplied via nipples, in troughs, dams, ponds and larger natural water sources; an insufficient supply leads to dehydration; it can be the source of infection, e.g. leptospirosis, salmonellosis, or of poisoning, e.g.
 Treatment Systems program, a U.S. Environmental Protection Agency Environmental Protection Agency (EPA), independent agency of the U.S. government, with headquarters in Washington, D.C. It was established in 1970 to reduce and control air and water pollution, noise pollution, and radiation and to ensure the safe handling and  initiative, showed a Koch Membrane Systems, Inc. membrane filtration system effectively removed arsenic from drinking water.

Verification of Koch Membrane's TFC TFC Traffic
TFC Traffic (logging abbreviation)
TFC Team Fortress Classic (game)
TFC The Filipino Channel
TFC Thin Film Composite (type of reverse osmosis membrane) 
(R) - ULP (1) (Upper Layer Protocol) Refers to a protocol at a high layer of the protocol stack, such as the application layer or a layer between the application layer 7 and transport layer 4 (see OSI model). 4 Reverse Osmosis Module was conducted over a 34-day verification test period at the Spiro Tunnel Water Filtration Plant in Park City, Utah Park City is a city located in Summit County, Utah, United States. It is one of two major resort towns in Utah, the other being Moab. It is considered to be part of the Wasatch Back and a part of the Salt Lake City metropolitan area. .

The system operated continuously during this time and achieved an average total arsenic removal of 99 percent, according to NSF International, which operates the Drinking Water Treatment Systems program in cooperation with the U.S. EPA EPA eicosapentaenoic acid.

EPA
abbr.
eicosapentaenoic acid


EPA,
n.pr See acid, eicosapentaenoic.

EPA,
n.
.

The total arsenic concentration in the feedwater averaged 60 micrograms per liter during the test period. The Koch Membrane Systems module reduced total arsenic to an average of 0.9 micrograms per liter in the treated water.

The system also removed dissolved arsenic - which represented 70 percent of the arsenic in the feedwater - by 97 percent, from an average of 42 micrograms per liter, to 1.3 micrograms per liter.

"Arsenic removal by reverse osmosis filtration has been successfully accomplished for years, primarily outside the United States," said Randy Truby, vice president of sales and marketing for Koch Membrane Systems. "Increased awareness, and more stringent regulations have resulted in the NSF/ETV test program. Now agencies and municipalities that have an arsenic problem can access technical information providing them with the assurance they require before using it in their water treatment plants."

The Koch Membrane Systems module evaluated was a spiral-wound polyamide polyamide

material used in the creation of nonabsorbable, synthetic, nylon sutures.
 membrane with a fiberglass outer wrap enclosed in a typical membrane housing. The molecular weight cut-off for this system is approximately 100 daltons, and it is rated for a maximum pressure of 350 pounds per square inch Noun 1. pounds per square inch - a unit of pressure
psi

pressure unit - a unit measuring force per unit area
. Normal design pressure for the system is 125 psi. The results of this evaluation of the system are not a guarantee of system performance.

More information is available from Koch Membrane's marketing department, located at 10054 Old Grove Road, San Diego, CA 92131. Those interested may call 858-695-3840 or 800-525-4369, send a fax to 858-695-2176, or visit www.kochmembrane.com.

Koch Membrane Systems, Inc., is a subsidiary of Koch Industries Inc., a Wichita, Kansas-based firm that owns a diverse group of companies engaged in trading, investment and operations around the world. (www.kochind.com)
COPYRIGHT 2001 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Date:Oct 10, 2001
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