DK137230C - - Google Patents

Info

Publication number
DK137230C
DK137230C DK76276A DK76276A DK137230C DK 137230 C DK137230 C DK 137230C DK 76276 A DK76276 A DK 76276A DK 76276 A DK76276 A DK 76276A DK 137230 C DK137230 C DK 137230C
Authority
DK
Denmark
Application number
DK76276A
Other languages
Danish (da)
Other versions
DK137230B (da
DK76276A (zh
Inventor
J Sergot
Original Assignee
Prorea S.A.
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 Prorea S.A. filed Critical Prorea S.A.
Publication of DK76276A publication Critical patent/DK76276A/da
Publication of DK137230B publication Critical patent/DK137230B/da
Application granted granted Critical
Publication of DK137230C publication Critical patent/DK137230C/da

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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/19—Acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Silicon Compounds (AREA)
  • Removal Of Specific Substances (AREA)
DK76276AA 1975-02-25 1976-02-24 Fremgangsmåde til samtidig koncentrering af en rå, vandig phosphorsyreopløsning og rensning af denne for fluorholdige derivater. DK137230B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7505791A FR2302275A1 (fr) 1975-02-25 1975-02-25 Procede de concentration et d'epuration simultanees de l'acide phosphorique

Publications (3)

Publication Number Publication Date
DK76276A DK76276A (zh) 1976-08-26
DK137230B DK137230B (da) 1978-02-06
DK137230C true DK137230C (zh) 1978-07-03

Family

ID=9151686

Family Applications (1)

Application Number Title Priority Date Filing Date
DK76276AA DK137230B (da) 1975-02-25 1976-02-24 Fremgangsmåde til samtidig koncentrering af en rå, vandig phosphorsyreopløsning og rensning af denne for fluorholdige derivater.

Country Status (17)

Country Link
US (1) US4086069A (zh)
BE (1) BE838367A (zh)
CS (1) CS209425B2 (zh)
DD (1) DD123592A5 (zh)
DE (1) DE2606490A1 (zh)
DK (1) DK137230B (zh)
ES (1) ES445520A1 (zh)
FR (1) FR2302275A1 (zh)
GB (1) GB1529264A (zh)
GR (1) GR58530B (zh)
IT (1) IT1058341B (zh)
LU (1) LU74327A1 (zh)
NL (1) NL7601953A (zh)
PL (1) PL98067B1 (zh)
RO (1) RO68896A (zh)
SE (1) SE415471B (zh)
YU (1) YU34476A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112915569A (zh) * 2021-03-30 2021-06-08 云南磷化集团有限公司 一种用于湿法磷酸渣酸脱氟的泡罩塔及其脱氟方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276510A (en) * 1966-10-04 Concentration op phosphoric acid
CA600810A (en) * 1960-06-28 E. Tynan Donald Defluorination of phosphoric acid
US3397123A (en) * 1965-06-03 1968-08-13 Hooker Chemical Corp Purifying aqueous acid phosphate solutions containing fluorine impurities
US3544269A (en) * 1967-02-27 1970-12-01 Whiting Corp Method for producing defluorinated phosphoric acid
US3718729A (en) * 1971-03-15 1973-02-27 American Cyanamid Co Defluorination of wet process phosphoric acid
US3764658A (en) * 1972-01-26 1973-10-09 United States Steel Corp Production of fluosilicic acid

Also Published As

Publication number Publication date
FR2302275A1 (fr) 1976-09-24
IT1058341B (it) 1982-04-10
FR2302275B1 (zh) 1978-02-03
US4086069A (en) 1978-04-25
BE838367A (fr) 1976-08-09
RO68896A (ro) 1980-12-30
DD123592A5 (zh) 1977-01-05
PL98067B1 (pl) 1978-04-29
CS209425B2 (en) 1981-12-31
DK137230B (da) 1978-02-06
SE415471B (sv) 1980-10-06
SE7601542L (sv) 1976-08-26
GR58530B (en) 1977-10-31
ES445520A1 (es) 1977-06-01
GB1529264A (en) 1978-10-18
LU74327A1 (zh) 1976-12-31
DE2606490A1 (de) 1976-09-02
NL7601953A (nl) 1976-08-27
YU34476A (en) 1982-05-31
DK76276A (zh) 1976-08-26

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Legal Events

Date Code Title Description
PBP Patent lapsed