SEAWATER DESALINATION METHOD AND SEAWATER DESALINATION APPARATUS

PROBLEM TO BE SOLVED: To provide a seawater desalination method which enables the efficient yield of purified water such as freshwater while utilizing biologically treated water obtained by biologically treating organic wastewater. SOLUTION: In the seawater desalination method for desalinating seawa...

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Hauptverfasser:	ITO YUTAKA, TAKADA KAZUTAKA, NOSHITA MASANOBU, MANABE MEGUMI, UEMATSU KAZUYA, SHIMADA MITSUSHIGE, MOTOJIMA KATSUHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a seawater desalination method which enables the efficient yield of purified water such as freshwater while utilizing biologically treated water obtained by biologically treating organic wastewater. SOLUTION: In the seawater desalination method for desalinating seawater by filtration treatment using a reverse osmosis membrane device, the seawater is desalinated by carrying out the mixing process for mixing the biologically treated water, obtained by biologically treating the organic wastewater, as dilution water with seawater having a salt concentration of 1.0-8.0 mass%, and the mixed water treatment process for supplying the mixed water obtained in the mixing process to the reverse osmosis membrane device to subject the mixed water to filtration treatment. COPYRIGHT: (C)2010,JPO&INPIT