FR2318825A1 - Procede de preparation d'un spath-fluor synthetique a faible teneur en silice. - Google Patents

Procede de preparation d'un spath-fluor synthetique a faible teneur en silice.

Info

Publication number
FR2318825A1
FR2318825A1 FR7622570A FR7622570A FR2318825A1 FR 2318825 A1 FR2318825 A1 FR 2318825A1 FR 7622570 A FR7622570 A FR 7622570A FR 7622570 A FR7622570 A FR 7622570A FR 2318825 A1 FR2318825 A1 FR 2318825A1
Authority
FR
France
Prior art keywords
spath
fluor
synthetic
preparing
silica content
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.)
Withdrawn
Application number
FR7622570A
Other languages
English (en)
French (fr)
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2318825A1 publication Critical patent/FR2318825A1/fr
Withdrawn legal-status Critical Current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
    • C01F11/20—Halides
    • C01F11/22—Fluorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
FR7622570A 1975-07-24 1976-07-23 Procede de preparation d'un spath-fluor synthetique a faible teneur en silice. Withdrawn FR2318825A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752533128 DE2533128A1 (de) 1975-07-24 1975-07-24 Verfahren zur herstellung von synthetischem flusspat

Publications (1)

Publication Number Publication Date
FR2318825A1 true FR2318825A1 (fr) 1977-02-18

Family

ID=5952377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622570A Withdrawn FR2318825A1 (fr) 1975-07-24 1976-07-23 Procede de preparation d'un spath-fluor synthetique a faible teneur en silice.

Country Status (12)

Country Link
US (1) US4148867A (enExample)
AU (1) AU1600476A (enExample)
BE (1) BE844432A (enExample)
DD (1) DD132259A5 (enExample)
DE (1) DE2533128A1 (enExample)
EG (1) EG12045A (enExample)
ES (1) ES450094A1 (enExample)
FR (1) FR2318825A1 (enExample)
GB (1) GB1491648A (enExample)
IN (1) IN145455B (enExample)
RO (1) RO72701A (enExample)
ZA (1) ZA764425B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2225839C1 (ru) * 2002-09-19 2004-03-20 Открытое акционерное общество "Кирово-Чепецкий химический комбинат им. Б.П.Константинова" Способ получения фторида кальция

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT375627B (de) * 1980-04-30 1984-08-27 Voest Alpine Ag Verfahren zur aufarbeitung von beim nassaufschluss von phosphaten anfallender kieselfluorwasserstoffsaeure sowie einrichtung zur durchfuehrung des verfahrens
JP6024910B2 (ja) * 2013-03-08 2016-11-16 三菱マテリアル株式会社 フッ化カルシウムの回収方法とその回収設備
CN106186024B (zh) * 2016-07-11 2017-10-31 昆明道尔森科技有限公司 一种工业副产氟硅酸的利用方法
CN111533152A (zh) * 2020-06-22 2020-08-14 井冈山大学 一种氟硅酸与碳酸钙快速反应制备高纯萤石的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780521A (en) * 1954-03-22 1957-02-05 Int Minerals & Chem Corp Process for producing colloidal silicafree calcium fluoride
US2780523A (en) * 1954-03-22 1957-02-05 Int Minerals & Chem Corp Process for recovering solid calcium fluoride containing product and colloidal silica solution from a weak aqueous fluosilicic acid solution
FR2266662A1 (enExample) * 1974-04-03 1975-10-31 Occidental Petroleum Corp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1091795A (en) * 1913-06-06 1914-03-31 Moritz Eyssell Process of purifying fluorspar.
US3551332A (en) * 1969-06-16 1970-12-29 Int Minerals & Chem Corp Purification of fluorine-containing industrial waste waters
DE2307897C3 (de) * 1973-02-17 1982-02-18 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von synthetischem Flußspat

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780521A (en) * 1954-03-22 1957-02-05 Int Minerals & Chem Corp Process for producing colloidal silicafree calcium fluoride
US2780523A (en) * 1954-03-22 1957-02-05 Int Minerals & Chem Corp Process for recovering solid calcium fluoride containing product and colloidal silica solution from a weak aqueous fluosilicic acid solution
FR2266662A1 (enExample) * 1974-04-03 1975-10-31 Occidental Petroleum Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2225839C1 (ru) * 2002-09-19 2004-03-20 Открытое акционерное общество "Кирово-Чепецкий химический комбинат им. Б.П.Константинова" Способ получения фторида кальция

Also Published As

Publication number Publication date
AU1600476A (en) 1978-01-26
GB1491648A (en) 1977-11-09
IN145455B (enExample) 1978-10-14
EG12045A (en) 1978-09-30
BE844432A (fr) 1977-01-24
US4148867A (en) 1979-04-10
ZA764425B (en) 1977-07-27
ES450094A1 (es) 1977-07-16
RO72701A (ro) 1981-03-30
DD132259A5 (de) 1978-09-13
DE2533128A1 (de) 1977-02-10

Similar Documents

Publication Publication Date Title
FR2320959A1 (fr) Procede pour l'obtention de resines hydrocarbonees a bas point de ramollissement
JPS538400A (en) Process for preparing boujacite having low silica content
FR2314916A1 (fr) Procede de preparation d'urethannes aromatiques
YU146385A (en) Process for making 3',4'-dideoxicanamycine b
FR2313357A1 (fr) Procede de preparation du 1,4-diaminoanthraquinone-2,3-dinitrile
BE841285A (fr) Procede de preparation d'acetoacetyl-arylamides
FR2306962A1 (fr) Procede de preparation d'alkyleneglycols
FR2318825A1 (fr) Procede de preparation d'un spath-fluor synthetique a faible teneur en silice.
FR2315273A1 (fr) Procede de preparation d'indoloquinolizines
FR2341529A1 (fr) Procede de preparation de b''-a12o3
FR2321471A1 (fr) Procede de preparation de 4,4'-dihydroxy-3,3',5,5'-tetralcoyl-diphenyl-alcanes
BE855371A (fr) Procede de preparation de 1,1-difluorethylene
BE860268A (fr) Procede de preparation d'alkylphenols
FR2333805A1 (fr) Procede de preparation de n,n'-bis-trimethylsilyluree
BE874638A (fr) Procede de preparation d'une 1,2-dioxime
BE878318A (fr) Procede de preparation de 1,2-polybutadiene
FR2310998A1 (fr) Procede de preparation de la 2,5-dimethoxy-4-chloraniline
BE841229A (fr) Procede de preparation d'esters alkylcarbamiques ou alcenylcarbamiques
FR2283132A1 (fr) Procede de preparation d'hydroxy-3 triazoles-1,2,4
BE853815A (fr) Procede de preparation de copolymeres de l'ethylene
BE843500A (fr) Procede de preparation d'oxaphospholannes-1,2,
FR2320927A1 (fr) Procede pour l'obtention d'a,a,a,a',a', pentachloro-o-xylene
BE848346A (fr) Procede de preparation de l'antibiotique 924a1,
FR2329642A1 (fr) Procede de preparation d'un dihalogenovinyl-cyclo-propane-carboxylate
FR2305432A1 (fr) Procede de preparation de 3,5-dialcoyl-4-mercapto-phenol

Legal Events

Date Code Title Description
ST Notification of lapse