UST921001I4 - Manufacture op potable water from sea water - Google Patents

Manufacture op potable water from sea water Download PDF

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Publication number
UST921001I4
UST921001I4 US921001DH UST921001I4 US T921001 I4 UST921001 I4 US T921001I4 US 921001D H US921001D H US 921001DH US T921001 I4 UST921001 I4 US T921001I4
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United States
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unit
water
sea water
potable
potable water
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Priority to US29891572A priority Critical
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Publication of UST921001I4 publication Critical patent/UST921001I4/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/022Reverse osmosis; Hyperfiltration ; Nanofiltration comprising multiple reverse osmosis, hyperfiltration or nanofiltration steps

Abstract

POTABLE WATER IS MANUFACTURED FROM SEA WATER BY PASSING IT SERIALLY THROUGH TWO REVERSE OSMOSIS UNITS. THE PRODUCT OF THE FIRST UNIT IS OF SUFFICIENT PURITY AND UNDER SUFFICIENT PRESSURE AS THE RESULT OF THE FIRST UNIT PRESSURIZATION TO ENABLE THE SECOND UNIT TO BE OPERATED WITHOUT REPRESSURIZATION. POTABLE WATER IS MANUFACTURED FROM SEA WATER BY PASSING IT SERIALLY THROUGH TWO REVERSE OSMOSIS UNITS. THE PRODUCTS OF THE FIRST UNIT IS OF SUFFICIENT PURITY AND UNDER SUFFICIENT PRESSURE AS THE RESULT OF THE FIRST UNIT PRESSURIZATION TO ENABLE THE SECOND UNIT TO BE OPERATED WITHOUT REPRESSURIZATION.

Description

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public to: inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits or alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED APRIL 2, 1974:

'EED WM; SEMIPEHMEABLE "I STREAM-i- --b V -P' STREAM m umr our SEMIFERMEABLE MEMBRANE CDNCDITRTE STREAM 1- Potable water is manufactured from sea water by passing it serially through two reverse osmosis units. The product of the first unit is of suificient purity and under sufficient pressure as the result of the first unit pressurization to enable the second unit to be operated without repressurization.

Ai i 2, 1974 R. G. DEVANEY Filed Oct. 19, 1972

US921001D 1972-10-19 1972-10-19 Manufacture op potable water from sea water Pending UST921001I4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29891572A true 1972-10-19 1972-10-19

Publications (1)

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UST921001I4 true UST921001I4 (en) 1974-04-02

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US921001D Pending UST921001I4 (en) 1972-10-19 1972-10-19 Manufacture op potable water from sea water

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312547A (en) * 1990-08-20 1994-05-17 Abbott Laboratories Medical drug formulation and reverse osmosis purification device
US5626761A (en) * 1993-12-17 1997-05-06 Poly-Bio-Marine, Inc. Chemical and particulate filtration system/apparatus
US6334955B1 (en) * 1998-10-20 2002-01-01 Nitto Denko Corporation Fresh water generator and fresh water generating method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312547A (en) * 1990-08-20 1994-05-17 Abbott Laboratories Medical drug formulation and reverse osmosis purification device
US5352364A (en) * 1990-08-20 1994-10-04 Abbott Laboratories Medical drug formulation and delivery system and reverse osmosis purification device
US5626761A (en) * 1993-12-17 1997-05-06 Poly-Bio-Marine, Inc. Chemical and particulate filtration system/apparatus
US6334955B1 (en) * 1998-10-20 2002-01-01 Nitto Denko Corporation Fresh water generator and fresh water generating method

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