ES411211A1 - Removing calcium impurity from strontium sulphate - or barium sulphate - by leaching with an ammonium - Google Patents

Removing calcium impurity from strontium sulphate - or barium sulphate - by leaching with an ammonium

Info

Publication number
ES411211A1
ES411211A1 ES411211A ES411211A ES411211A1 ES 411211 A1 ES411211 A1 ES 411211A1 ES 411211 A ES411211 A ES 411211A ES 411211 A ES411211 A ES 411211A ES 411211 A1 ES411211 A1 ES 411211A1
Authority
ES
Spain
Prior art keywords
sulphate
ammonium
leaching
removing calcium
strontium
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
Application number
ES411211A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
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 Albright and Wilson Ltd filed Critical Albright and Wilson Ltd
Publication of ES411211A1 publication Critical patent/ES411211A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01F11/46—Sulfates
    • C01F11/462—Sulfates of Sr or Ba

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

Removal of Ca impurity from e.g. celestite is carried out by leaching with an aq. soln. contg. pref. >5 wt.% of an ammonium salt, such as nitrate, chloride or acetate, and opt. =15 wt.% of a mineral acid, such as HCl or HNO3. The soln. can be regenerated by treatment with an ammonium slt whose anion is capable of pptg. Ca, e.g. (NH4)2CO3. The products can be used in pyrotechnical applications.
ES411211A 1972-02-15 1973-02-02 Removing calcium impurity from strontium sulphate - or barium sulphate - by leaching with an ammonium Expired ES411211A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB697872 1972-02-15

Publications (1)

Publication Number Publication Date
ES411211A1 true ES411211A1 (en) 1975-12-01

Family

ID=9824326

Family Applications (1)

Application Number Title Priority Date Filing Date
ES411211A Expired ES411211A1 (en) 1972-02-15 1973-02-02 Removing calcium impurity from strontium sulphate - or barium sulphate - by leaching with an ammonium

Country Status (2)

Country Link
DE (1) DE2307254A1 (en)
ES (1) ES411211A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2033175A1 (en) * 1990-07-20 1993-03-01 Proinsur Promociones Ind Del S Continuous production of fertilizing salts with derivatives of strontium and gypsum.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246687A (en) * 1991-04-01 1993-09-21 Hughes Aircraft Company Solid-state preparation of high purity barium sulfate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2033175A1 (en) * 1990-07-20 1993-03-01 Proinsur Promociones Ind Del S Continuous production of fertilizing salts with derivatives of strontium and gypsum.

Also Published As

Publication number Publication date
DE2307254A1 (en) 1973-08-23

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