WATER RECOVERY SYSTEM

PROBLEM TO BE SOLVED: To provide a water recovery system which can maintain a processing volume of water through a separating membrane and the use life of the latter at a high level, and which can greatly reduce the frequency and the volume of discharge of a condensed solution so as enhance the reco...

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Bibliographische Detailangaben
Hauptverfasser:	TSUBOI HIDEFUMI, SASAKO SHUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GRINDING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHING SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a water recovery system which can maintain a processing volume of water through a separating membrane and the use life of the latter at a high level, and which can greatly reduce the frequency and the volume of discharge of a condensed solution so as enhance the recovery rate of used water. SOLUTION: In this water recovery system composed of a raw water tank for reserving therein microparticle suspending discharge water discharged from a semiconductor manufacturing plant, and a membrane type separating device connected to the raw water tank through the intermediary of a pump, for processing the microparticle suspending water so as to separate microparticle sludge from processed water, and a means for removing the suspending microparticles trapped by the separating device through reveres pressure washing, from which reverse washing water is returned to the raw water tank, a means for trapping and separating the suspending microparticles during reserve washing is provided between the reverse pressure washing means and the raw water tank.