PURE WATER MAKING APPARATUS

PROBLEM TO BE SOLVED: To provide a pure water making apparatus of high capacity constituted of a combination of a reverse osmosis membrane device and a degassing device, capable of making pure water at a low cost and capable of more reducing the concentration of dissolved carbon dioxide. SOLUTION: T...

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Bibliographische Detailangaben
1. Verfasser:	KAWABE DAISUKE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a pure water making apparatus of high capacity constituted of a combination of a reverse osmosis membrane device and a degassing device, capable of making pure water at a low cost and capable of more reducing the concentration of dissolved carbon dioxide. SOLUTION: The pure water making apparatus is constituted so as to remove dissolved carbon dioxide from raw water along with ions and a colloidal substance to make pure water and has a first reverse osmosis membrance device (2), a first degassing device (3), a second reverse osmosis membrance device (6) and a second degassing device (7) successively arranged thereto. Further, a degassing membrane device using a hydrophobic microporous hollow fiber membrane is used as the first reverse osmosis membrane device (2) and the second degassing device (7). COPYRIGHT: (C)2008,JPO&INPIT