SE457531B - Foerfarande vid omvandling av kalciumsulfat - Google Patents

Foerfarande vid omvandling av kalciumsulfat

Info

Publication number
SE457531B
SE457531B SE8304704A SE8304704A SE457531B SE 457531 B SE457531 B SE 457531B SE 8304704 A SE8304704 A SE 8304704A SE 8304704 A SE8304704 A SE 8304704A SE 457531 B SE457531 B SE 457531B
Authority
SE
Sweden
Prior art keywords
sulphate
potassium
solution
chloride
calcium
Prior art date
Application number
SE8304704A
Other languages
English (en)
Swedish (sv)
Other versions
SE8304704D0 (sv
SE8304704L (sv
Inventor
K C B Knudsen
Original Assignee
Superfos As
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 Superfos As filed Critical Superfos As
Publication of SE8304704D0 publication Critical patent/SE8304704D0/xx
Publication of SE8304704L publication Critical patent/SE8304704L/
Publication of SE457531B publication Critical patent/SE457531B/sv

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)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
SE8304704A 1982-09-02 1983-08-31 Foerfarande vid omvandling av kalciumsulfat SE457531B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8225006 1982-09-02

Publications (3)

Publication Number Publication Date
SE8304704D0 SE8304704D0 (sv) 1983-08-31
SE8304704L SE8304704L (sv) 1984-03-03
SE457531B true SE457531B (sv) 1989-01-09

Family

ID=10532638

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8304704A SE457531B (sv) 1982-09-02 1983-08-31 Foerfarande vid omvandling av kalciumsulfat

Country Status (26)

Country Link
US (1) US4504458A (ru)
JP (1) JPS5983929A (ru)
KR (1) KR910003611B1 (ru)
AT (1) AT378359B (ru)
AU (1) AU558080B2 (ru)
BE (1) BE897666A (ru)
BR (1) BR8304756A (ru)
CA (1) CA1200364A (ru)
DE (1) DE3331416A1 (ru)
DK (1) DK157666C (ru)
FI (1) FI71291C (ru)
FR (1) FR2532643B1 (ru)
GR (1) GR78981B (ru)
IE (1) IE55463B1 (ru)
IL (1) IL69553A (ru)
IN (1) IN159358B (ru)
IT (1) IT1162942B (ru)
MA (1) MA19888A1 (ru)
MX (1) MX157374A (ru)
NL (1) NL192384C (ru)
NO (1) NO159996C (ru)
NZ (1) NZ205348A (ru)
PT (1) PT77277B (ru)
SE (1) SE457531B (ru)
SU (1) SU1286105A3 (ru)
ZA (1) ZA836350B (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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
CA2414894C (en) * 2001-12-19 2005-08-23 Dirdal Rand Technologies Method of producing potassium sulfate
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
EP3126049A4 (en) 2014-04-02 2017-11-29 Vanderbilt University 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
IN159358B (ru) 1987-05-09
AT378359B (de) 1985-07-25
IT1162942B (it) 1987-04-01
BR8304756A (pt) 1984-04-10
IE55463B1 (en) 1990-09-26
SE8304704D0 (sv) 1983-08-31
MA19888A1 (fr) 1984-04-01
NZ205348A (en) 1985-07-12
JPS5983929A (ja) 1984-05-15
AU1863983A (en) 1984-03-08
NL8303037A (nl) 1984-04-02
US4504458A (en) 1985-03-12
MX157374A (es) 1988-11-18
IT8367920A0 (it) 1983-09-02
PT77277B (en) 1986-03-18
FI71291B (fi) 1986-09-09
FI71291C (fi) 1986-12-19
FI833030A0 (fi) 1983-08-24
BE897666A (fr) 1984-01-02
FR2532643A1 (fr) 1984-03-09
IE831993L (en) 1984-03-02
IL69553A (en) 1987-01-30
AU558080B2 (en) 1987-01-15
DK157666C (da) 1990-06-25
GR78981B (ru) 1984-10-02
SE8304704L (sv) 1984-03-03
DK157666B (da) 1990-02-05
ZA836350B (en) 1984-10-31
DE3331416A1 (de) 1984-03-08
KR910003611B1 (ko) 1991-06-07
KR840006173A (ko) 1984-11-22
CA1200364A (en) 1986-02-11
DE3331416C2 (ru) 1991-08-14
PT77277A (en) 1983-10-01
FR2532643B1 (fr) 1988-04-08
JPH0364449B2 (ru) 1991-10-07
FI833030A (fi) 1984-03-03
DK385583A (da) 1984-03-03
NL192384C (nl) 1997-07-04
NO833143L (no) 1984-03-05
NL192384B (nl) 1997-03-03
SU1286105A3 (ru) 1987-01-23
DK385583D0 (da) 1983-08-23
NO159996C (no) 1989-03-01
ATA301883A (de) 1984-12-15
NO159996B (no) 1988-11-21

Similar Documents

Publication Publication Date Title
US2479001A (en) Production of magnesium chloride
CA2515712C (en) Method for recovering purified sodium bicarbonate and ammonium sulfate
SE457531B (sv) Foerfarande vid omvandling av kalciumsulfat
US5549876A (en) Production of potassium sulfate using differential contacting
Epstein Utilization of the dead sea minerals (a review)
EP0199104A2 (en) The production of potassium sulphate
RU2705953C1 (ru) Способ получения нитрата калия
RU2235065C2 (ru) Способ получения сульфата калия из поташа и сульфата натрия
da Silva et al. Thermodynamic modeling of phases equilibrium in aqueous systems to recover potassium chloride from natural brines
US6692716B1 (en) Method of formulating alkali earth salts
CN105366698B (zh) 一种七水硫酸镁的制备方法
US7250144B2 (en) Perchlorate removal from sodium chlorate process
SE465569B (sv) Foerfarande foer framstaellning av klordioxid
GB2127003A (en) Gypsum conversion to potassium sulphate using anion exchange
DE10154004A1 (de) Verfahren zur Gewinnung von Magnesiumhydroxid, Gips und weiteren Produkten aus natürlichen und technischen Salzsolen, insbesondere aus Endlaugen der Kaliwerke
US3211523A (en) Production of monosodium phosphate
KR20180135744A (ko) 황산 칼륨의 제조 방법
MX2012000141A (es) Proceso de la industria de mineria de israel (imi) de polihalita para la produccion de nitrato de potasio (kno3).
RU2223223C1 (ru) Способ получения карбоната стронция
CA1334721C (en) Method for the production of potassium sulfate
RU2085492C1 (ru) Способ переработки алунитовых или бесщелочных алюмосиликатных руд на алюмокалиевые квасцы и хлорид алюминия
SU977390A1 (ru) Способ получени сульфата кали
WO2003074424A1 (en) A cyclic process for continuously producing potassium sulphate and potassium sulphate produced thereby
SU1608118A1 (ru) Способ получени шенита
Yavorskii et al. Acid decomposition of difficultly soluble potassium ores with the use of organic solvents

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8304704-3