EA200401458A1 - Способ (варианты) для обработки жидких сред обратным осмосом в кислых условиях - Google Patents

Способ (варианты) для обработки жидких сред обратным осмосом в кислых условиях

Info

Publication number
EA200401458A1
EA200401458A1 EA200401458A EA200401458A EA200401458A1 EA 200401458 A1 EA200401458 A1 EA 200401458A1 EA 200401458 A EA200401458 A EA 200401458A EA 200401458 A EA200401458 A EA 200401458A EA 200401458 A1 EA200401458 A1 EA 200401458A1
Authority
EA
Eurasian Patent Office
Prior art keywords
water
membrane separation
membrane
separation apparatus
options
Prior art date
Application number
EA200401458A
Other languages
English (en)
Other versions
EA011830B1 (ru
Inventor
Дебасиш Мухопадхйай
Original Assignee
Дебасиш Мухопадхйай
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Дебасиш Мухопадхйай filed Critical Дебасиш Мухопадхйай
Publication of EA200401458A1 publication Critical patent/EA200401458A1/ru
Publication of EA011830B1 publication Critical patent/EA011830B1/ru

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/58—Multistep processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/18—Details relating to membrane separation process operations and control pH control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/90—Ultra pure water, e.g. conductivity water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Предложен способ обработки воды посредством аппарата мембранного разделения (фиг. 2). В аппарат мембранного разделения подают исходную или питающую воду (10), pH которой поддерживают равным 4,3 или меньшим, либо доводят до этого значения. Благодаря этому содержащиеся в воде вещества, такие как полностью органический углерод (TOC), сильнее диссоциируют на ионы, и их удаление из воды в процессе мембранного разделения, а также их растворимость в отделяемом потоке остающейся перед мембраной воды значительно повышаются. Существенно уменьшается прохождение TOC через мембрану. Для большинства исходных вод достигается степень извлечения продукта 80% или выше при одновременном существенном уменьшении частоты проведения очистки аппарата мембранного разделения. Предложенный способ особенно подходит для получения воды (54) высокой степени чистоты.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200401458A 2002-05-06 2002-11-06 Способ (варианты) для обработки жидких сред обратным осмосом в кислых условиях EA011830B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/140,445 US7320756B2 (en) 2001-05-05 2002-05-06 Method and apparatus for treatment of feedwaters by membrane separation under acidic conditions
PCT/US2002/035572 WO2003095076A1 (en) 2002-05-06 2002-11-06 Method and apparatus for fluid treatment by reverse osmosis under acidic conditions

Publications (2)

Publication Number Publication Date
EA200401458A1 true EA200401458A1 (ru) 2005-06-30
EA011830B1 EA011830B1 (ru) 2009-06-30

Family

ID=29418386

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200401458A EA011830B1 (ru) 2002-05-06 2002-11-06 Способ (варианты) для обработки жидких сред обратным осмосом в кислых условиях

Country Status (10)

Country Link
US (2) US7320756B2 (ru)
EP (1) EP1549420A4 (ru)
KR (1) KR100976903B1 (ru)
CN (1) CN1625433B (ru)
AU (1) AU2002354050B2 (ru)
CA (1) CA2484662A1 (ru)
EA (1) EA011830B1 (ru)
HK (1) HK1073271A1 (ru)
WO (1) WO2003095076A1 (ru)
ZA (1) ZA200408700B (ru)

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Also Published As

Publication number Publication date
EP1549420A4 (en) 2006-03-29
AU2002354050B2 (en) 2009-10-29
ZA200408700B (en) 2005-11-21
AU2002354050A1 (en) 2003-11-11
CN1625433A (zh) 2005-06-08
US7320756B2 (en) 2008-01-22
HK1073271A1 (en) 2005-09-30
EA011830B1 (ru) 2009-06-30
US20020166823A1 (en) 2002-11-14
KR100976903B1 (ko) 2010-08-18
CA2484662A1 (en) 2003-11-20
US20080179242A1 (en) 2008-07-31
EP1549420A1 (en) 2005-07-06
CN1625433B (zh) 2010-05-26
KR20040106478A (ko) 2004-12-17
WO2003095076A1 (en) 2003-11-20

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