GB2447639B - Lead element flux control in the purification of water by reverse osmosis - Google Patents

Lead element flux control in the purification of water by reverse osmosis

Info

Publication number
GB2447639B
GB2447639B GB0703948A GB0703948A GB2447639B GB 2447639 B GB2447639 B GB 2447639B GB 0703948 A GB0703948 A GB 0703948A GB 0703948 A GB0703948 A GB 0703948A GB 2447639 B GB2447639 B GB 2447639B
Authority
GB
United Kingdom
Prior art keywords
purification
water
reverse osmosis
flux control
lead element
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0703948A
Other versions
GB2447639A (en
GB0703948D0 (en
Inventor
Anthony Attenborough
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0703948A priority Critical patent/GB2447639B/en
Publication of GB0703948D0 publication Critical patent/GB0703948D0/en
Publication of GB2447639A publication Critical patent/GB2447639A/en
Application granted granted Critical
Publication of GB2447639B publication Critical patent/GB2447639B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
GB0703948A 2007-03-01 2007-03-01 Lead element flux control in the purification of water by reverse osmosis Expired - Fee Related GB2447639B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0703948A GB2447639B (en) 2007-03-01 2007-03-01 Lead element flux control in the purification of water by reverse osmosis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0703948A GB2447639B (en) 2007-03-01 2007-03-01 Lead element flux control in the purification of water by reverse osmosis

Publications (3)

Publication Number Publication Date
GB0703948D0 GB0703948D0 (en) 2007-04-11
GB2447639A GB2447639A (en) 2008-09-24
GB2447639B true GB2447639B (en) 2011-07-20

Family

ID=37965718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0703948A Expired - Fee Related GB2447639B (en) 2007-03-01 2007-03-01 Lead element flux control in the purification of water by reverse osmosis

Country Status (1)

Country Link
GB (1) GB2447639B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003092870A1 (en) * 2002-05-02 2003-11-13 City Of Long Beach Two stage nanofiltration seawater desalination system
WO2005082497A1 (en) * 2004-02-25 2005-09-09 Dow Global Technologies, Inc. Apparatus for treating solutions of high osmotic strength

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003092870A1 (en) * 2002-05-02 2003-11-13 City Of Long Beach Two stage nanofiltration seawater desalination system
WO2005082497A1 (en) * 2004-02-25 2005-09-09 Dow Global Technologies, Inc. Apparatus for treating solutions of high osmotic strength

Also Published As

Publication number Publication date
GB2447639A (en) 2008-09-24
GB0703948D0 (en) 2007-04-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111020