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Release: April 10, 1998

OPENING CEREMONY FOR NGK'S CERAMIC MEMBRANE FILTRATION SYSTEM HELD AT OSHIKAWA DISTRICT WATER TREATMENT PLANT

NGK INSULATORS, LTD. (President: Masaharu Shibata, Head Office: Nagoya)shipped a ceramic membrane filtration system applying its original ceramic membranes to Inabu-cho, Kitashitara-gun, Aichi prefecture, in March, 1998.The opening ceremony for the system was conducted at the water treatment plant in Oshikawa district, Inabu-cho, on April, 8, 1998, and the system started operation.

NGK's ceramic membrane filtration system consists of two membrane modules. Each module contains 153 alumina-made monolithic membranes, which are 100cm long and 3cm in diameter. Their horizontal section resembles a slice of lotus root. The officially announced largest pore diameter on the membrane is 0.1 micro meter, and the gross area of membrane is 146m2(73m2X 2). The treatment capacity is 174m3/day.

NGK acquired certifications from Japan Water Research Center for the technique to manufacture seven types of membrane module which ranges in area from 18m2to 73m2. Based on such techniques, NGK has been manufacturing products to be suitable for various amounts of water purification at medium and small size water treatment plants, and is planning to enlarge their sale following the shipment to Inabu-cho.


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