GB1432020A - Recovery of spent regenerating solutions by electrodialysis - Google Patents
Recovery of spent regenerating solutions by electrodialysisInfo
- Publication number
- GB1432020A GB1432020A GB2312973A GB2312973A GB1432020A GB 1432020 A GB1432020 A GB 1432020A GB 2312973 A GB2312973 A GB 2312973A GB 2312973 A GB2312973 A GB 2312973A GB 1432020 A GB1432020 A GB 1432020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- regenerating
- spent
- solution
- exchangers
- via valves
- 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
Links
- 230000001172 regenerating effect Effects 0.000 title abstract 5
- 238000000909 electrodialysis Methods 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title 1
- 239000000243 solution Substances 0.000 abstract 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 150000001768 cations Chemical class 0.000 abstract 2
- 239000000356 contaminant Substances 0.000 abstract 2
- 150000002500 ions Chemical class 0.000 abstract 2
- 238000001556 precipitation Methods 0.000 abstract 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 238000005349 anion exchange Methods 0.000 abstract 1
- 150000001450 anions Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000005341 cation exchange Methods 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 238000001223 reverse osmosis Methods 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- 229910000162 sodium phosphate Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract 1
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
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
-
- 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
- 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
- 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
- B01D2311/06—Specific process operations in the permeate stream
-
- 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
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)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25305472A | 1972-05-15 | 1972-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1432020A true GB1432020A (en) | 1976-04-14 |
Family
ID=22958643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2312973A Expired GB1432020A (en) | 1972-05-15 | 1973-05-15 | Recovery of spent regenerating solutions by electrodialysis |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4949869A (enrdf_load_stackoverflow) |
| CA (1) | CA1015075A (enrdf_load_stackoverflow) |
| DE (1) | DE2324131A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1432020A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2171988A (en) * | 1985-03-07 | 1986-09-10 | Belco Pollution Control Corp | Integral water demineralizer system and method |
| US4880513A (en) * | 1986-06-20 | 1989-11-14 | The Graver Company | Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins |
| WO2006097762A3 (en) * | 2005-03-18 | 2007-05-18 | Boc Group Plc | Improvements in or relating to the regeneration of water treatment substrates |
| WO2014181054A1 (fr) * | 2013-05-07 | 2014-11-13 | Eurodia Industrie Sa | Procede de recyclage d'un effluent de regeneration comprenant des ions chlorures |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5110175A (enrdf_load_stackoverflow) * | 1974-07-17 | 1976-01-27 | Ebara Infilco | |
| JPS5388695A (en) * | 1977-01-13 | 1978-08-04 | Nippon Beet Sugar Mfg | Method of recovering reusable sodium chloride |
| US4655928A (en) * | 1983-10-18 | 1987-04-07 | Gnb Incorporated | Membrane processes for metal recovery and pollution control in metal process industries |
| US5352345A (en) * | 1991-05-07 | 1994-10-04 | Alliedsignal Inc. | Ion exchange resin regenerant waste recovery and recycling via bipolar membranes |
| DE4312600C2 (de) * | 1993-04-17 | 1995-09-28 | Judo Wasseraufbereitung | Kleinentsalzungsanlage auf Ionenaustauscherbasis mit elektrolytisch herstellbaren Regeneriermitteln |
-
1973
- 1973-04-05 CA CA168,515A patent/CA1015075A/en not_active Expired
- 1973-05-12 DE DE2324131A patent/DE2324131A1/de active Pending
- 1973-05-14 JP JP48053474A patent/JPS4949869A/ja active Pending
- 1973-05-15 GB GB2312973A patent/GB1432020A/en not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2171988A (en) * | 1985-03-07 | 1986-09-10 | Belco Pollution Control Corp | Integral water demineralizer system and method |
| US4648976A (en) * | 1985-03-07 | 1987-03-10 | Belco Pollution Control Corporation | Integral water demineralizer system and method |
| US4880513A (en) * | 1986-06-20 | 1989-11-14 | The Graver Company | Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins |
| AU604482B2 (en) * | 1986-06-20 | 1990-12-20 | Graver Company, The | Method and apparatus for generating acid and base regenerants and use thereof to regenerate ion-exchange resins |
| WO2006097762A3 (en) * | 2005-03-18 | 2007-05-18 | Boc Group Plc | Improvements in or relating to the regeneration of water treatment substrates |
| US7887707B2 (en) | 2005-03-18 | 2011-02-15 | The Boc Group Limited | Regeneration of water treatment substrates |
| WO2014181054A1 (fr) * | 2013-05-07 | 2014-11-13 | Eurodia Industrie Sa | Procede de recyclage d'un effluent de regeneration comprenant des ions chlorures |
| FR3005428A1 (fr) * | 2013-05-07 | 2014-11-14 | Eurodia Ind Sa | Procede de recyclage d'un effluent de regeneration comprenant des ions chlorures |
| US9962658B2 (en) | 2013-05-07 | 2018-05-08 | Eurodia Industrie Sa | Method for recirculating a reprocessing effluent comprising chloride ions |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1015075A (en) | 1977-08-02 |
| JPS4949869A (enrdf_load_stackoverflow) | 1974-05-15 |
| DE2324131A1 (de) | 1973-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920515 |