Seh America, Inc.

James Kenneth Webster

Allen R Boyce

Michael Steven Marchando

The present invention is directed to the use of a resin trap device to remove large resin particles from water in a water purification system to thereby protect downstream ultrafiltration equipment. The present invention includes a resin trap device which comprises a housing and a resin strainer disposed within the housing. The resin strainer includes a plurality of openings having a particle pass size of between about 100 &mgr;m and about 250 &mgr;m, and thus allows water and small particles to pass through the resin trap device and large particles to be retained in the resin trap device. The present invention also includes a water purification system including a water source, a resin bed and the resin trap device, and a method of purifying water using the resin trap device of the invention.

Resin trap device for use in ultrapure water systems and method of purifying water using same

The present invention is directed to the use a of resin trap device to remove large resin particles from water in a water purification system to thereby protect downstream ultrafiltration equipment. The present invention includes a resin trap device which comprises a housing and a resin strainer disposed within the housing. The resin strainer includes a plurality of openings having a particle pass size of between about 100 &mgr;m and about 250 &mgr;m, and thus allows water and small particles to pass through the resin trap device and large particles to be retained in the resin trap device. The present invention also includes a water purification system including a water source, a resin bed and the resin trap device, and a method of purifying water using the resin trap device of the invention.

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Bainbridge Island, WA, United States of America

James Kenneth Webster