PT71750B - Verfahren zur regenerierung von ionenaustauschern - Google Patents
Verfahren zur regenerierung von ionenaustauschernInfo
- Publication number
- PT71750B PT71750B PT71750A PT7175080A PT71750B PT 71750 B PT71750 B PT 71750B PT 71750 A PT71750 A PT 71750A PT 7175080 A PT7175080 A PT 7175080A PT 71750 B PT71750 B PT 71750B
- Authority
- PT
- Portugal
- Prior art keywords
- regeneration
- ion exchangers
- chelating agents
- diaminocyclohexanetetraacetate
- dcyte
- Prior art date
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
- B01J49/50—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents
- B01J49/53—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents for cationic exchangers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Semiconductor Lasers (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792934863 DE2934863A1 (de) | 1979-08-29 | 1979-08-29 | Verfahren zur regenerierung von ionenaustauschern |
Publications (2)
Publication Number | Publication Date |
---|---|
PT71750A PT71750A (de) | 1980-09-01 |
PT71750B true PT71750B (de) | 1981-06-08 |
Family
ID=6079542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT71750A PT71750B (de) | 1979-08-29 | 1980-08-28 | Verfahren zur regenerierung von ionenaustauschern |
Country Status (10)
Country | Link |
---|---|
US (1) | US4372858A (pt) |
EP (1) | EP0024675B1 (pt) |
AT (1) | ATE6131T1 (pt) |
AU (1) | AU540592B2 (pt) |
CA (1) | CA1153135A (pt) |
DE (2) | DE2934863A1 (pt) |
DK (1) | DK156881C (pt) |
ES (1) | ES8305220A1 (pt) |
IE (1) | IE50503B1 (pt) |
PT (1) | PT71750B (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2506286A1 (fr) * | 1981-05-25 | 1982-11-26 | Crouzat Sa Ets | Procede de preparation d'une eau depourvue de metaux lourds en vue d'un usage medical, resine echangeuse d'ions conditionnee en vue de cette preparation et procede de conditionnement |
DE3229019A1 (de) * | 1982-08-04 | 1984-02-09 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum behandeln von abwasser |
CA2035186A1 (en) * | 1990-12-19 | 1992-06-20 | Michelle K. Zaid | Salt additive composition for inhibiting formation of yellow brine |
US6165367A (en) * | 1991-09-19 | 2000-12-26 | Siemens Power Corporation | Method for removing a heavy metal from a waste stream |
US5308496A (en) * | 1993-03-29 | 1994-05-03 | E. I. Du Pont De Nemours And Company | Resin regeneration process |
DE4423398A1 (de) * | 1994-07-04 | 1996-01-11 | Siemens Ag | Verfahren und Einrichtung zum Entsorgen eines Kationenaustauschers |
US5665239A (en) * | 1996-01-16 | 1997-09-09 | Culligan International Company | Processes for deionization and demineralization of fluids |
US6720356B2 (en) * | 2001-04-20 | 2004-04-13 | Spencer Feldman | Magnesium di-potassium EDTA complex and method of administration |
US20080271391A1 (en) * | 2007-05-03 | 2008-11-06 | Ramon Dalmasso | Vent Stack Repair Sleeve |
US10065865B2 (en) | 2011-02-22 | 2018-09-04 | Evonik Degussa Gmbh | Process for preparing aqueous colloidal silica sols of high purity from alkali metal silicate solutions |
DE102011004533A1 (de) * | 2011-02-22 | 2013-05-16 | Evonik Degussa Gmbh | Verfahren zur Reinigung starker Säuren bzw. stark saurer Medien von zwei- und höherwertigen Metallionen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE868433C (de) * | 1943-03-05 | 1953-02-26 | Basf Ag | Verfahren zur Entfernung mehrwertiger Metallionen aus Ionenaustauschern |
US2798789A (en) * | 1954-02-11 | 1957-07-09 | Frank H Spedding | Method of separating rare earths |
GB1028987A (en) * | 1963-11-04 | 1966-05-11 | Shell Int Research | Method of treating an aqueous medium containing alkaline earth metal ions |
US3392111A (en) * | 1967-06-16 | 1968-07-09 | Howe Baker Eng | Regeneration of ion exchange catalyst in sweetening process |
US3454503A (en) * | 1967-07-19 | 1969-07-08 | Shell Oil Co | Process for regenerating cation exchange resins |
FR1577410A (pt) * | 1968-04-22 | 1969-08-08 | ||
US3725259A (en) * | 1970-12-04 | 1973-04-03 | Aerojet General Co | Process for recovery of mineral pollutants from acidic waste streams |
US3658729A (en) * | 1970-12-04 | 1972-04-25 | Aerojet General Co | Regeneration of alkaline earth loaded cationic exchange resins |
US3887498A (en) * | 1973-03-12 | 1975-06-03 | Morton Norwich Products Inc | Method for regeneration of cation exchange resins and for removal of iron deposits therefrom |
US3939071A (en) * | 1974-08-12 | 1976-02-17 | Aerojet-General Corporation | Recoverable regenerants for cationic exchange resins |
US4071446A (en) * | 1976-06-21 | 1978-01-31 | Rohm And Haas Company | Method for regeneration of weak acid cation exchange resin |
DE2819636C2 (de) * | 1978-05-05 | 1982-07-29 | Tetra Werke Dr.Rer.Nat. Ulrich Baensch Gmbh, 4520 Melle | Verfahren zum Herstellen von physiologisch eingestelltem Wasser für Wasserorganismen und Pflanzen |
-
1979
- 1979-08-29 DE DE19792934863 patent/DE2934863A1/de not_active Ceased
-
1980
- 1980-08-19 EP EP80104924A patent/EP0024675B1/de not_active Expired
- 1980-08-19 DE DE8080104924T patent/DE3066500D1/de not_active Expired
- 1980-08-19 AT AT80104924T patent/ATE6131T1/de not_active IP Right Cessation
- 1980-08-26 ES ES494498A patent/ES8305220A1/es not_active Expired
- 1980-08-28 PT PT71750A patent/PT71750B/pt unknown
- 1980-08-28 AU AU61816/80A patent/AU540592B2/en not_active Ceased
- 1980-08-28 IE IE1807/80A patent/IE50503B1/en not_active IP Right Cessation
- 1980-08-28 DK DK367380A patent/DK156881C/da active
- 1980-08-29 CA CA000359358A patent/CA1153135A/en not_active Expired
-
1981
- 1981-09-15 US US06/302,593 patent/US4372858A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU6181680A (en) | 1981-03-05 |
DE2934863A1 (de) | 1981-04-09 |
IE50503B1 (en) | 1986-04-30 |
DK367380A (da) | 1981-03-01 |
ES494498A0 (es) | 1983-04-16 |
DE3066500D1 (en) | 1984-03-15 |
PT71750A (de) | 1980-09-01 |
US4372858A (en) | 1983-02-08 |
DK156881C (da) | 1990-03-26 |
ATE6131T1 (de) | 1984-02-15 |
AU540592B2 (en) | 1984-11-29 |
DK156881B (da) | 1989-10-16 |
IE801807L (en) | 1981-02-28 |
EP0024675A1 (de) | 1981-03-11 |
EP0024675B1 (de) | 1984-02-08 |
ES8305220A1 (es) | 1983-04-16 |
CA1153135A (en) | 1983-08-30 |
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