NO984731L - FremgangsmÕte og apparatur for Õ fjerne metallioner og/eller komplekser som inneholder metallioner fra en l°sning - Google Patents

FremgangsmÕte og apparatur for Õ fjerne metallioner og/eller komplekser som inneholder metallioner fra en l°sning

Info

Publication number
NO984731L
NO984731L NO984731A NO984731A NO984731L NO 984731 L NO984731 L NO 984731L NO 984731 A NO984731 A NO 984731A NO 984731 A NO984731 A NO 984731A NO 984731 L NO984731 L NO 984731L
Authority
NO
Norway
Prior art keywords
unit
line
mixing
solution
conduit
Prior art date
Application number
NO984731A
Other languages
English (en)
Other versions
NO984731D0 (no
Inventor
Hailing Duan
Original Assignee
Fuji Hunt Photo Chem
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 Fuji Hunt Photo Chem filed Critical Fuji Hunt Photo Chem
Publication of NO984731D0 publication Critical patent/NO984731D0/no
Publication of NO984731L publication Critical patent/NO984731L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • 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
    • Y10S210/902—Materials removed
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

Det er beskrevet en fremgangsmåte og apparat for fjerning av kelatert metallpresipitantkompleks fra. avløpsvann. Et system (50) inkluderer en innløpsforsyningsenhet (52) forbundet via. ledningen (54) til en blandeenhet (55) for blanding av innløpende avløpsvann og utfellingsmiddel, og deretter til en første bunnfallsretensjonsenhet (57) gjennom ledningen (56), og som i sin tur er forbundet via ledningene (154 og 58) til en. bufrings- og sedimenteringsenhet (60). Avløpsvannløsningen strømmer fra enheten (60). gjennom ledningen (62) til en separasjonsenhet (64), og behandlet løsning blir fjernet fra systemet. (50) gjennom utslippsledningen (66). En porsjon av. avløpet fra separasjonsenheten (64) strømmer gjennom ledningen (68) tilbake til ledningen (58). Spylevann strømmer gjennom ledningen (76) til separasjonsenheten (64) og slippes ut til enheten (60) gjennom ledningen (77). Ledningen (70) fra. enheten (60) er for fjerning av en løsning som inneholder bunnfallet. Denne løsning strømmer gjennom ledningen (70) til en slamfjerningsenhet (72) for slamoppsamling, og filtratet sendes tilbake. til ledningen (58) gjennom ledningen (74). Bunnfallsfjerningssløyfen drives således på en uavhengig, simultan parallell måte med utslippssløyfen som passerer gjennom separasjonsenheten (64). Blandeenheten (55) inkluderer en totrinns fremgangsmåte for blanding av innløpet med utfellingsmiddelet for å indusere hurtig utfelling uten tilsetning av flokkuleringsmiddel og/eller pH-justering.
NO984731A 1996-04-19 1998-10-09 FremgangsmÕte og apparatur for Õ fjerne metallioner og/eller komplekser som inneholder metallioner fra en l°sning NO984731L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/632,542 US5728295A (en) 1996-04-19 1996-04-19 Apparatus for removing metal ions and/or complexes containing metal ions from a solution
PCT/US1997/005154 WO1997039983A1 (en) 1996-04-19 1997-04-08 Method and apparatus for removing metal ions and/or complexes containing metal ions from a solution

Publications (2)

Publication Number Publication Date
NO984731D0 NO984731D0 (no) 1998-10-09
NO984731L true NO984731L (no) 1998-12-21

Family

ID=24535925

Family Applications (1)

Application Number Title Priority Date Filing Date
NO984731A NO984731L (no) 1996-04-19 1998-10-09 FremgangsmÕte og apparatur for Õ fjerne metallioner og/eller komplekser som inneholder metallioner fra en l°sning

Country Status (5)

Country Link
US (2) US5728295A (no)
EP (1) EP0902759A4 (no)
AU (1) AU2425997A (no)
NO (1) NO984731L (no)
WO (1) WO1997039983A1 (no)

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US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
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Also Published As

Publication number Publication date
EP0902759A4 (en) 2000-02-23
US5728295A (en) 1998-03-17
WO1997039983A1 (en) 1997-10-30
NO984731D0 (no) 1998-10-09
US5993668A (en) 1999-11-30
EP0902759A1 (en) 1999-03-24
AU2425997A (en) 1997-11-12

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