AU2001268038A1 - Phosphate acidulation utilizing hf acid - Google Patents

Phosphate acidulation utilizing hf acid

Info

Publication number
AU2001268038A1
AU2001268038A1 AU2001268038A AU6803801A AU2001268038A1 AU 2001268038 A1 AU2001268038 A1 AU 2001268038A1 AU 2001268038 A AU2001268038 A AU 2001268038A AU 6803801 A AU6803801 A AU 6803801A AU 2001268038 A1 AU2001268038 A1 AU 2001268038A1
Authority
AU
Australia
Prior art keywords
phosphoric acid
phosphate
acid
pseudomorph
filter
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.)
Abandoned
Application number
AU2001268038A
Other languages
English (en)
Inventor
Claude E. Breed
Kenneth E. Mcgill
Samuel Franklin Sweat
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.)
HF Extraction LLC
Original Assignee
HF Extraction LLC
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 HF Extraction LLC filed Critical HF Extraction LLC
Publication of AU2001268038A1 publication Critical patent/AU2001268038A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/192—Preparation from fluorspar
    • 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
    • C01F11/22—Fluorides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fertilizers (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU2001268038A 2000-06-09 2001-06-07 Phosphate acidulation utilizing hf acid Abandoned AU2001268038A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/591,341 US6676914B1 (en) 2000-06-09 2000-06-09 Phosphate acidulation utilizing HF acid
US09591341 2000-06-09
PCT/US2001/010847 WO2001096236A1 (fr) 2000-06-09 2001-06-07 Acidulation de phosphate au moyen d'acide fluorhydrique

Publications (1)

Publication Number Publication Date
AU2001268038A1 true AU2001268038A1 (en) 2001-12-24

Family

ID=24366110

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001268038A Abandoned AU2001268038A1 (en) 2000-06-09 2001-06-07 Phosphate acidulation utilizing hf acid

Country Status (6)

Country Link
US (1) US6676914B1 (fr)
EP (1) EP1296887A4 (fr)
AU (1) AU2001268038A1 (fr)
CA (1) CA2411977A1 (fr)
IL (1) IL153332A0 (fr)
WO (1) WO2001096236A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200002638B (en) * 2000-05-26 2001-01-31 Jan Christoffel De Waal The production of dicalcium phosphate or monocalcium phosphate.
CN102586632A (zh) * 2012-02-22 2012-07-18 中南大学 一种综合回收矿物中氟、钨的方法
CN109319817B (zh) * 2018-12-14 2020-10-02 辽宁星空钠电电池有限公司 一种快速沉淀制备二维BaF2的方法
CN109319816B (zh) * 2018-12-14 2020-10-09 辽宁星空钠电电池有限公司 一种快速沉淀制备一维BaF2的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1313379A (en) 1919-08-19 Chemical Construction Company Process of making phosphoric acid, &c.
US1018746A (en) 1910-11-03 1912-02-27 Max Dittmar Manufacture of phosphoric acid.
US2493915A (en) 1946-01-10 1950-01-10 Kansas City Testing Lab Phosphoric acid
US3323864A (en) 1963-08-29 1967-06-06 Fmc Corp Production of phosphoric acid from a phosphatic ore
FI43589B (fr) * 1969-05-20 1971-02-01 Rikkihappo Oy
US3792153A (en) 1972-02-28 1974-02-12 Univ California Method for recovering ammonia and hydrogen chloride from ammonium chloride
FR2548653B1 (fr) * 1983-07-05 1986-11-07 Rhone Poulenc Chim Base Procede de fabrication d'acide phosphorique
US5180569A (en) * 1990-12-31 1993-01-19 Phosphate Engineering And Construction Company Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid
US6224844B1 (en) * 1998-09-21 2001-05-01 E. I. Du Pont De Nemours And Company Process for the production of calcium fluoride

Also Published As

Publication number Publication date
IL153332A0 (en) 2003-07-06
EP1296887A1 (fr) 2003-04-02
WO2001096236A1 (fr) 2001-12-20
CA2411977A1 (fr) 2001-12-20
EP1296887A4 (fr) 2005-04-06
US6676914B1 (en) 2004-01-13

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Legal Events

Date Code Title Description
MK4 Application lapsed section 142(2)(d) - no continuation fee paid for the application