DK157666C - Fremgangsmaade til omdannelse af kalciumsulfat til kaliumsulfat eller natriumsulfat - Google Patents
Fremgangsmaade til omdannelse af kalciumsulfat til kaliumsulfat eller natriumsulfatInfo
- Publication number
- DK157666C DK157666C DK385583A DK385583A DK157666C DK 157666 C DK157666 C DK 157666C DK 385583 A DK385583 A DK 385583A DK 385583 A DK385583 A DK 385583A DK 157666 C DK157666 C DK 157666C
- Authority
- DK
- Denmark
- Prior art keywords
- calcium
- sulfate
- conversion
- procedure
- sodium sulfate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
-
- 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
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/06—Preparation of sulfates by double decomposition
- C01D5/10—Preparation of sulfates by double decomposition with sulfates of magnesium, calcium, strontium, or barium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/20—Halides
- C01F11/24—Chlorides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8225006 | 1982-09-02 | ||
GB8225006 | 1982-09-02 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK385583D0 DK385583D0 (da) | 1983-08-23 |
DK385583A DK385583A (da) | 1984-03-03 |
DK157666B DK157666B (da) | 1990-02-05 |
DK157666C true DK157666C (da) | 1990-06-25 |
Family
ID=10532638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK385583A DK157666C (da) | 1982-09-02 | 1983-08-23 | Fremgangsmaade til omdannelse af kalciumsulfat til kaliumsulfat eller natriumsulfat |
Country Status (26)
Country | Link |
---|---|
US (1) | US4504458A (xx) |
JP (1) | JPS5983929A (xx) |
KR (1) | KR910003611B1 (xx) |
AT (1) | AT378359B (xx) |
AU (1) | AU558080B2 (xx) |
BE (1) | BE897666A (xx) |
BR (1) | BR8304756A (xx) |
CA (1) | CA1200364A (xx) |
DE (1) | DE3331416A1 (xx) |
DK (1) | DK157666C (xx) |
FI (1) | FI71291C (xx) |
FR (1) | FR2532643B1 (xx) |
GR (1) | GR78981B (xx) |
IE (1) | IE55463B1 (xx) |
IL (1) | IL69553A (xx) |
IN (1) | IN159358B (xx) |
IT (1) | IT1162942B (xx) |
MA (1) | MA19888A1 (xx) |
MX (1) | MX157374A (xx) |
NL (1) | NL192384C (xx) |
NO (1) | NO159996C (xx) |
NZ (1) | NZ205348A (xx) |
PT (1) | PT77277B (xx) |
SE (1) | SE457531B (xx) |
SU (1) | SU1286105A3 (xx) |
ZA (1) | ZA836350B (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4707347A (en) * | 1985-04-17 | 1987-11-17 | Kali Und Salz | Process for the production of potassium sulfate from potassium chloride by means of ion exchangers |
DE3707406A1 (de) * | 1987-03-07 | 1988-09-15 | Kali & Salz Ag | Verfahren zur herstellung von kaliumsulfat |
FR2652076B1 (fr) * | 1989-09-20 | 1992-03-20 | Rhone Poulenc Chimie | Procede de recuperation des valeurs de terres rares dans les gypses. |
US5595914A (en) * | 1995-10-23 | 1997-01-21 | Berigari; Mohammed S. | Gypsum determination in soils by conversion to water-soluble sodium sulfate |
US6986878B2 (en) * | 2001-12-19 | 2006-01-17 | Dirdal Rand Technologies | Method of producing potassium sulfate via cation exchange |
WO2013117950A1 (en) * | 2012-02-09 | 2013-08-15 | Mohammed Olfi | A combined reverse osmosis/ion exchange/electrodialysis (croied) process that uses gypsum as a raw material to produce sulfuric acid and sodium hydroxide |
US9868647B2 (en) | 2014-04-02 | 2018-01-16 | Technion Research & Development Foundation Ltd. | System and methods for removing impurities from phosphogypsum and manufacturing gypsum binders and products |
JP6421021B2 (ja) * | 2014-11-25 | 2018-11-07 | オルガノ株式会社 | 高濃度硫酸塩溶液の精製方法および精製装置 |
WO2020012460A1 (en) * | 2018-07-08 | 2020-01-16 | IMI Tami Institute for Research and Development ltd | Process for production of potassium sulfate from potash minerals via ion exchange |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA741730A (en) * | 1966-08-30 | Asahi Kasei Kogyo Kabushiki Kaisha | Utilization of sea water | |
CA528345A (en) * | 1956-07-24 | O. Hoffer Jean | Process for the manufacture of potassium sulphate | |
GB437652A (en) * | 1934-05-02 | 1935-11-04 | Albert Eric Cashmore | Improvements in or relating to the production of potassium sulphate |
US2366650A (en) * | 1942-01-14 | 1945-01-02 | Dorr Co | Ionic exchange operations |
US2736635A (en) * | 1951-07-07 | 1956-02-28 | Ionics | Method of producing sulfite cooking liquors and recovering valuable constituents therefrom |
US2882128A (en) * | 1954-09-16 | 1959-04-14 | Chimiques Pour L Andustrie Et | Preparation of potassium sulphate from calcium sulphate and potassium chloride |
US2989370A (en) * | 1957-08-21 | 1961-06-20 | American Potash & Chem Corp | Production of potassium carbonate by anion exchange |
US3096153A (en) * | 1960-10-17 | 1963-07-02 | Standard Magnesium Corp Inc | Ion exchange process for producing potassium sulfate and sulfuric acid |
US3445185A (en) * | 1966-07-26 | 1969-05-20 | Kali Forschungs Inst | Preparation of alkali metal sulfates |
US3402018A (en) * | 1967-02-14 | 1968-09-17 | Grace W R & Co | Removal of potassium and sodium sulfate from brines and bitterns |
GB1166930A (en) * | 1967-06-23 | 1969-10-15 | Dansk Svovlsyreog Superphospha | Fertilizer production |
GB1307218A (en) * | 1969-05-09 | 1973-02-14 | Dansk Svovlsyreog Superphospha | Method and plant for effecting mass transfer processes |
US4193772A (en) * | 1978-06-05 | 1980-03-18 | Exxon Research & Engineering Co. | Process for carbonaceous material conversion and recovery of alkali metal catalyst constituents held by ion exchange sites in conversion residue |
GB2068918B (en) * | 1980-01-09 | 1984-06-20 | Lozano J A F | Potassium sulphate and potassium sodium sulphate production |
-
1983
- 1983-08-22 NZ NZ205348A patent/NZ205348A/en unknown
- 1983-08-23 DK DK385583A patent/DK157666C/da not_active IP Right Cessation
- 1983-08-23 IL IL69553A patent/IL69553A/xx not_active IP Right Cessation
- 1983-08-24 AT AT0301883A patent/AT378359B/de not_active IP Right Cessation
- 1983-08-24 FI FI833030A patent/FI71291C/fi not_active IP Right Cessation
- 1983-08-25 IE IE1993/83A patent/IE55463B1/en not_active IP Right Cessation
- 1983-08-26 ZA ZA836350A patent/ZA836350B/xx unknown
- 1983-08-30 IN IN1054/CAL/83A patent/IN159358B/en unknown
- 1983-08-31 DE DE19833331416 patent/DE3331416A1/de active Granted
- 1983-08-31 BR BR8304756A patent/BR8304756A/pt unknown
- 1983-08-31 NL NL8303037A patent/NL192384C/nl not_active IP Right Cessation
- 1983-08-31 SE SE8304704A patent/SE457531B/sv not_active Application Discontinuation
- 1983-08-31 GR GR72347A patent/GR78981B/el unknown
- 1983-08-31 FR FR8313969A patent/FR2532643B1/fr not_active Expired
- 1983-09-01 MA MA20111A patent/MA19888A1/fr unknown
- 1983-09-01 AU AU18639/83A patent/AU558080B2/en not_active Expired
- 1983-09-01 SU SU833641403A patent/SU1286105A3/ru active
- 1983-09-01 CA CA000435873A patent/CA1200364A/en not_active Expired
- 1983-09-01 NO NO833143A patent/NO159996C/no not_active IP Right Cessation
- 1983-09-01 US US06/528,712 patent/US4504458A/en not_active Expired - Lifetime
- 1983-09-01 PT PT77277A patent/PT77277B/pt unknown
- 1983-09-02 JP JP58160608A patent/JPS5983929A/ja active Granted
- 1983-09-02 MX MX198598A patent/MX157374A/es unknown
- 1983-09-02 BE BE0/211461A patent/BE897666A/fr not_active IP Right Cessation
- 1983-09-02 IT IT67920/83A patent/IT1162942B/it active
- 1983-09-02 KR KR1019830004146A patent/KR910003611B1/ko not_active IP Right Cessation
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AR227788A1 (es) | Composicion para la liberacion controlada de oligoelementos al agua | |
DK164508C (da) | Fremgangsmaade til fremstilling af natriumcefuroxim | |
MX161562A (es) | Procedimiento para producir acido acrilico | |
JPS57118551A (en) | Improved manufacture of sulfonic acid calcium | |
BR8405351A (pt) | Processo para a preparacao de uma solucao cloritica aquosa e a solucao cloritica obtida | |
DK157666C (da) | Fremgangsmaade til omdannelse af kalciumsulfat til kaliumsulfat eller natriumsulfat | |
DK424579A (da) | Fremgangsmaade til fremstilling af blymonoxid ud fra blysulfat | |
SE8301417L (sv) | Pumpbar vattenreningskomposition innehallande jern(ii)sulfat och forfarande for dess framstellning | |
DK155724C (da) | Fremgangsmaade til fremstilling af calciumsulfat-dihydrat i forbindelse med afsvovling af roeggas fra kraftvaerker | |
DK537787D0 (da) | Fremgangsmaade til omdannelse eller reduktion af svovldioxid til elementaert svovl | |
DK70081A (da) | Indretning til fremstilling af profilerede pladeformede forme fortrinsvis teglsten af beton eller lignende | |
IT1170883B (it) | Procedimento continuo per produrre solfato di calcio di peso leggero | |
DK579585A (da) | Konvertering af naturgas | |
GB8321738D0 (en) | Attachment of scaffolding to buildings | |
NO834746L (no) | Anlegg for fremstilling av kalsiumkarbid | |
DK113695A (da) | Fremgangsmåde til fremstilling af N-hydroxy-2-azetidinoner eller syreadditionssalte deraf | |
DE3279755D1 (en) | Process for rapid conversion of fluoroanhydrite to gypsum | |
DK18483D0 (da) | Fremgangsmade til at reducere calciumkoncentrationen af vandige oploesninger | |
BE891065A (fr) | Perfectionnements a la calcination de dihydrate de sulfate de calcium | |
DK152051C (da) | Fremgangsmaade til fremstilling af krystallinsk natriumcefoperazon | |
JPS54149239A (en) | Gerberrhinge structure of concrete bridge | |
GB8320489D0 (en) | Microbial conversion of gypsum to sulphur | |
GB2127003B (en) | Gypsum convertion to potassium sulphate using anion exchange | |
GB2086869B (en) | Reducing water demand of gypsum plaster | |
BE895741A (fr) | Preparation de saccharine calcique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |