GB2278069B - Reclamation and reuse of spent sodium hydroxide in the regeneration of anion resin in demineraliser water treatment plant - Google Patents

Reclamation and reuse of spent sodium hydroxide in the regeneration of anion resin in demineraliser water treatment plant

Info

Publication number
GB2278069B
GB2278069B GB9305307A GB9305307A GB2278069B GB 2278069 B GB2278069 B GB 2278069B GB 9305307 A GB9305307 A GB 9305307A GB 9305307 A GB9305307 A GB 9305307A GB 2278069 B GB2278069 B GB 2278069B
Authority
GB
United Kingdom
Prior art keywords
demineraliser
reclamation
reuse
regeneration
sodium hydroxide
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
GB9305307A
Other languages
English (en)
Other versions
GB2278069A (en
GB9305307D0 (en
Inventor
Raju Manjarabad Ven Sreenivasa
M V J Raj
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
Publication of GB9305307D0 publication Critical patent/GB9305307D0/en
Publication of GB2278069A publication Critical patent/GB2278069A/en
Application granted granted Critical
Publication of GB2278069B publication Critical patent/GB2278069B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus 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
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
GB9305307A 1993-01-20 1993-03-17 Reclamation and reuse of spent sodium hydroxide in the regeneration of anion resin in demineraliser water treatment plant Expired - Fee Related GB2278069B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN28MA1993 IN181196B (enrdf_load_stackoverflow) 1993-01-20 1993-01-20

Publications (3)

Publication Number Publication Date
GB9305307D0 GB9305307D0 (en) 1993-05-05
GB2278069A GB2278069A (en) 1994-11-23
GB2278069B true GB2278069B (en) 1997-07-23

Family

ID=11093054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9305307A Expired - Fee Related GB2278069B (en) 1993-01-20 1993-03-17 Reclamation and reuse of spent sodium hydroxide in the regeneration of anion resin in demineraliser water treatment plant

Country Status (2)

Country Link
GB (1) GB2278069B (enrdf_load_stackoverflow)
IN (1) IN181196B (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6962968B2 (en) 2002-12-20 2005-11-08 Cyclics Corporation Purification of macrocyclic oligoesters
US7658828B2 (en) 2005-04-13 2010-02-09 Siemens Water Technologies Holding Corp. Regeneration of adsorption media within electrical purification apparatuses
US8658043B2 (en) 2003-11-13 2014-02-25 Siemens Water Technologies Llc Water treatment system and method
US8864971B2 (en) 2003-11-13 2014-10-21 Evoqua Water Technologies Llc Water treatment system and method
US8894834B2 (en) 2003-11-13 2014-11-25 Evoqua Water Technologies Llc Water treatment system and method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080067069A1 (en) 2006-06-22 2008-03-20 Siemens Water Technologies Corp. Low scale potential water treatment
WO2009073175A2 (en) 2007-11-30 2009-06-11 Siemens Water Technologies Corp. Systems and methods for water treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095267A (en) * 1964-05-06 1967-12-13 Permutit Co Ltd Treatment of ion-exchange resins
US4445987A (en) * 1983-03-30 1984-05-01 Oronzio De Nora S.A. Electrolytic purification and reconcentration of wash and rinse caustic solutions recovered from the regeneration of ion exchange resins
US5019542A (en) * 1990-01-08 1991-05-28 RAR - Refinarias De Accucar Reunidas, S.A. Processing for regenerating sugar decolorizing ion exchange resins, with regenerant recovery
EP0442849A1 (en) * 1990-01-24 1991-08-21 Valerio Mancini Method for utilisation and regeneration of anionic resins in reflux water systems in dyeworks and similar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095267A (en) * 1964-05-06 1967-12-13 Permutit Co Ltd Treatment of ion-exchange resins
US4445987A (en) * 1983-03-30 1984-05-01 Oronzio De Nora S.A. Electrolytic purification and reconcentration of wash and rinse caustic solutions recovered from the regeneration of ion exchange resins
US5019542A (en) * 1990-01-08 1991-05-28 RAR - Refinarias De Accucar Reunidas, S.A. Processing for regenerating sugar decolorizing ion exchange resins, with regenerant recovery
EP0442849A1 (en) * 1990-01-24 1991-08-21 Valerio Mancini Method for utilisation and regeneration of anionic resins in reflux water systems in dyeworks and similar

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6962968B2 (en) 2002-12-20 2005-11-08 Cyclics Corporation Purification of macrocyclic oligoesters
US8658043B2 (en) 2003-11-13 2014-02-25 Siemens Water Technologies Llc Water treatment system and method
US8864971B2 (en) 2003-11-13 2014-10-21 Evoqua Water Technologies Llc Water treatment system and method
US8894834B2 (en) 2003-11-13 2014-11-25 Evoqua Water Technologies Llc Water treatment system and method
US7658828B2 (en) 2005-04-13 2010-02-09 Siemens Water Technologies Holding Corp. Regeneration of adsorption media within electrical purification apparatuses

Also Published As

Publication number Publication date
GB2278069A (en) 1994-11-23
GB9305307D0 (en) 1993-05-05
IN181196B (enrdf_load_stackoverflow) 1998-04-25

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Legal Events

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

Effective date: 19990317