DE2455835A1 - Verfahren zur vollentsalzung von loesungen - Google Patents
Verfahren zur vollentsalzung von loesungenInfo
- Publication number
- DE2455835A1 DE2455835A1 DE19742455835 DE2455835A DE2455835A1 DE 2455835 A1 DE2455835 A1 DE 2455835A1 DE 19742455835 DE19742455835 DE 19742455835 DE 2455835 A DE2455835 A DE 2455835A DE 2455835 A1 DE2455835 A1 DE 2455835A1
- Authority
- DE
- Germany
- Prior art keywords
- exchanger
- acidic cation
- weakly
- acid
- basic anion
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 16
- 238000010612 desalination reaction Methods 0.000 title description 7
- 150000001768 cations Chemical class 0.000 claims description 54
- 230000002378 acidificating effect Effects 0.000 claims description 38
- 150000001450 anions Chemical class 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000002253 acid Substances 0.000 claims description 24
- 230000008929 regeneration Effects 0.000 claims description 17
- 238000011069 regeneration method Methods 0.000 claims description 17
- 239000012458 free base Substances 0.000 claims description 11
- 238000005342 ion exchange Methods 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 10
- 238000005115 demineralization Methods 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 8
- 230000002328 demineralizing effect Effects 0.000 claims description 6
- 238000010494 dissociation reaction Methods 0.000 claims description 6
- 230000005593 dissociations Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 13
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 10
- 239000000908 ammonium hydroxide Substances 0.000 description 10
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 9
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 9
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 9
- 239000001099 ammonium carbonate Substances 0.000 description 9
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical group OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 102000006786 Chloride-Bicarbonate Antiporters Human genes 0.000 description 1
- 108091006259 SLC4A3 Proteins 0.000 description 1
- 239000004063 acid-resistant material Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
-
- 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
- B01J49/40—Thermal regeneration
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS8789A CS168307B1 (enExample) | 1973-12-19 | 1973-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2455835A1 true DE2455835A1 (de) | 1975-06-26 |
Family
ID=5438921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742455835 Pending DE2455835A1 (de) | 1973-12-19 | 1974-11-26 | Verfahren zur vollentsalzung von loesungen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4039442A (enExample) |
| CS (1) | CS168307B1 (enExample) |
| DD (1) | DD114941A1 (enExample) |
| DE (1) | DE2455835A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2392938A1 (fr) * | 1977-05-31 | 1978-12-29 | Rohm & Haas | Procede pour eliminer les sels dissous des solutions aqueuses |
| FR2437868A1 (fr) * | 1978-10-02 | 1980-04-30 | Rohm & Haas | Procede de demineralisation par echange d'ions |
| EP0167957A3 (de) * | 1984-07-10 | 1986-12-17 | Hoechst Aktiengesellschaft | Verfahren zur Isolierung wasserlöslicher saurer Verbindungen |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2738120C3 (de) * | 1977-08-24 | 1980-10-16 | Hager + Elsaesser Gmbh, 7000 Stuttgart | Einrichtung zum thermischen Regenerieren von Massen in Wasseraufbereitungs-Anlagen |
| US4569765A (en) * | 1981-03-27 | 1986-02-11 | The Dow Chemical Company | Chromium oxide in ion exchange resin |
| US4447329A (en) * | 1983-06-13 | 1984-05-08 | Uop Inc. | Continuous desalination process |
| US4732686A (en) * | 1985-12-19 | 1988-03-22 | The Dow Chemical Company | Weak eluant ion chromatography |
| US5518626A (en) * | 1993-12-23 | 1996-05-21 | United Technologies Corporation | Process employing thermally sterilizable aqueous polishing agents |
| US5525237A (en) * | 1993-12-23 | 1996-06-11 | United Technologies Corporation | Process for removing free and dissolved CO2 from aqueous solutions |
| DE102006033541A1 (de) * | 2006-07-20 | 2008-01-24 | Artemis Control Ag | Adsorptives Filtermaterial |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| KR20250097867A (ko) * | 2022-10-27 | 2025-06-30 | 하이드릭 디살리네이션 피티와이 리미티드 | 해수 담수화를 위한 혼합층 이온 교환 수지의 신규한 재생 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3425937A (en) * | 1966-05-25 | 1969-02-04 | Donald Eric Weiss | Demineralization of water |
| MTP667B (en) * | 1969-07-12 | 1971-03-22 | Consiglio Nazionale Ricerche | A process for the de-inization of aqueous saline salations |
| US3716481A (en) * | 1971-07-19 | 1973-02-13 | Ici Australia Ltd | Thermal regeneration ion exchange process with triallylamine polymers |
-
1973
- 1973-12-19 CS CS8789A patent/CS168307B1/cs unknown
-
1974
- 1974-11-26 DE DE19742455835 patent/DE2455835A1/de active Pending
- 1974-11-29 DD DD182635A patent/DD114941A1/xx unknown
-
1976
- 1976-04-22 US US05/679,375 patent/US4039442A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2392938A1 (fr) * | 1977-05-31 | 1978-12-29 | Rohm & Haas | Procede pour eliminer les sels dissous des solutions aqueuses |
| FR2437868A1 (fr) * | 1978-10-02 | 1980-04-30 | Rohm & Haas | Procede de demineralisation par echange d'ions |
| EP0167957A3 (de) * | 1984-07-10 | 1986-12-17 | Hoechst Aktiengesellschaft | Verfahren zur Isolierung wasserlöslicher saurer Verbindungen |
Also Published As
| Publication number | Publication date |
|---|---|
| CS168307B1 (enExample) | 1976-05-28 |
| US4039442A (en) | 1977-08-02 |
| DD114941A1 (enExample) | 1975-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |