CS196325B2 - Způsob kontinuální výroby koncantrované kyseliny fluorovodíkové - Google Patents

Způsob kontinuální výroby koncantrované kyseliny fluorovodíkové Download PDF

Info

Publication number: CS196325B2
Authority: CS; Czechoslovakia
Prior art keywords: acid; scrubber; sulfuric acid; scrubbing; hydrofluoric acid
Prior art date: 1975-10-02

Application number

CS766332A

Other languages

Czech (cs)

English (en)

Inventor

Werner Schabacher

Bernhard Spreckelmeyer

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.)

1975-10-02

Filing date

1976-09-30

Publication date

1980-03-31

1976-09-30 Application filed by Bayer Ag filed Critical Bayer Ag

1980-03-31 Publication of CS196325B2 publication Critical patent/CS196325B2/cs

Links

KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims description 86
238000000034 method Methods 0.000 title claims description 16
238000010924 continuous production Methods 0.000 title claims description 4
229910000040 hydrogen fluoride Inorganic materials 0.000 title description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 114
238000005406 washing Methods 0.000 claims description 36
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
239000007789 gas Substances 0.000 claims description 21
238000005201 scrubbing Methods 0.000 claims description 19
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 13
238000006243 chemical reaction Methods 0.000 claims description 11
239000010436 fluorite Substances 0.000 claims description 11
229940049964 oleate Drugs 0.000 claims description 9
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 9
239000012267 brine Substances 0.000 claims description 7
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 7
238000001816 cooling Methods 0.000 claims description 6
239000002253 acid Substances 0.000 description 45
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 12
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
238000009833 condensation Methods 0.000 description 7
230000005494 condensation Effects 0.000 description 7
241000795633 Olea <sea slug> Species 0.000 description 6
239000007788 liquid Substances 0.000 description 6
238000003860 storage Methods 0.000 description 6
239000000428 dust Substances 0.000 description 5
-1 hexafluorosilicic acid Chemical compound 0.000 description 5
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
239000000377 silicon dioxide Substances 0.000 description 4
229910001634 calcium fluoride Inorganic materials 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
238000000746 purification Methods 0.000 description 3
238000011084 recovery Methods 0.000 description 3
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
238000002425 crystallisation Methods 0.000 description 2
230000008025 crystallization Effects 0.000 description 2
230000007423 decrease Effects 0.000 description 2
238000009826 distribution Methods 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
229910003638 H2SiF6 Inorganic materials 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
238000011049 filling Methods 0.000 description 1
230000006870 function Effects 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000035807 sensation Effects 0.000 description 1
ZEFWRWWINDLIIV-UHFFFAOYSA-N tetrafluorosilane;dihydrofluoride Chemical compound F.F.F[Si](F)(F)F ZEFWRWWINDLIIV-UHFFFAOYSA-N 0.000 description 1
239000002912 waste gas Substances 0.000 description 1

Classifications

- 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
- C01B7/195—Separation; Purification
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Treating Waste Gases (AREA)

CS766332A 1975-10-02 1976-09-30 Způsob kontinuální výroby koncantrované kyseliny fluorovodíkové CS196325B2 (cs)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2543965A DE2543965C3 (de)	1975-10-02	1975-10-02	Verfahren zur Reinigung von Reaktionsgasen der Flußsäureherstellung

Publications (1)

Publication Number	Publication Date
CS196325B2 true CS196325B2 (cs)	1980-03-31

Family

ID=5958042

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS766332A CS196325B2 (cs)	1975-10-02	1976-09-30	Způsob kontinuální výroby koncantrované kyseliny fluorovodíkové

Country Status (10)

Country	Link
BE (1)	BE846827A (fr)
BR (1)	BR7606566A (fr)
CS (1)	CS196325B2 (fr)
DE (1)	DE2543965C3 (fr)
ES (1)	ES452056A1 (fr)
FR (1)	FR2326378A1 (fr)
GB (1)	GB1567778A (fr)
IT (1)	IT1066315B (fr)
NL (1)	NL7610844A (fr)
ZA (1)	ZA765894B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5032371A (en) *	1989-02-27	1991-07-16	Mallinckrodt Specialty Chemicals Co.	Process for the continuous recovery of hydrogen fluoride gas
CN112010263B (zh) *	2020-08-31	2022-08-02	北京化工大学	一种电子级氢氟酸的生产装置及生产方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3725536A (en)	1968-02-26	1973-04-03	R Gentili	Method of the continuous production of hydrofluoric acid
DE2209960C3 (de)	1972-03-02	1979-10-11	Bayer Ag, 5090 Leverkusen	Verfahren zur Aufarbeitung von Fluorwasserstoff-haltigen Rohgasen der Flußsäureherstellung

1975
- 1975-10-02 DE DE2543965A patent/DE2543965C3/de not_active Expired
1976
- 1976-09-29 IT IT51482/76A patent/IT1066315B/it active
- 1976-09-30 CS CS766332A patent/CS196325B2/cs unknown
- 1976-09-30 NL NL7610844A patent/NL7610844A/xx not_active Application Discontinuation
- 1976-10-01 BE BE2055345A patent/BE846827A/fr unknown
- 1976-10-01 GB GB40799/76A patent/GB1567778A/en not_active Expired
- 1976-10-01 ES ES452056A patent/ES452056A1/es not_active Expired
- 1976-10-01 ZA ZA765894A patent/ZA765894B/xx unknown
- 1976-10-01 FR FR7629649A patent/FR2326378A1/fr active Granted
- 1976-10-01 BR BR7606566A patent/BR7606566A/pt unknown

Also Published As

Publication number	Publication date
BR7606566A (pt)	1977-05-31
DE2543965B2 (de)	1980-10-16
NL7610844A (nl)	1977-04-05
GB1567778A (en)	1980-05-21
DE2543965A1 (de)	1977-04-07
IT1066315B (it)	1985-03-04
FR2326378B1 (fr)	1980-05-30
FR2326378A1 (fr)	1977-04-29
ES452056A1 (es)	1977-10-01
BE846827A (fr)	1977-04-01
DE2543965C3 (de)	1981-07-09
ZA765894B (en)	1977-09-28

Publication	Publication Date	Title
US4053507A (en)	1977-10-11	Method of recovering unreacted materials and heat in urea synthesis
US6309609B1 (en)	2001-10-30	Apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide, comprising a step for depleting the recycled solvent in sulphur
US4349524A (en)	1982-09-14	Process for producing purified hydrochloric acid
US4062930A (en)	1977-12-13	Method of production of anhydrous hydrogen fluoride
US3919399A (en)	1975-11-11	Process for purifying and condensing reaction gases in the production of hydrofluoric acid
HUT67738A (en)	1995-04-28	Process for removing hydrogen sulphide and/or carbon disulphide from exhaust gases
CA1245831A (fr)	1988-12-06	Desulfuration des gaz de cheminee
CA1196473A (fr)	1985-11-12	Appareil et procede pour la concentration de l'acide sulfurique
EP0460110B1 (fr)	1994-02-02	Procede de recuperation en continu de gaz de fluorure d'hydrogene
CS196325B2 (cs)	1980-03-31	Způsob kontinuální výroby koncantrované kyseliny fluorovodíkové
EP3208237A1 (fr)	2017-08-23	Système d'épuration de dioxyde de soufre et procédé de production de produits de potassium
JPH03115102A (ja)	1991-05-16	二酸化塩素の製造法
US5271918A (en)	1993-12-21	Furnace gas - sulfuric acid contact process for HF manufacture
US3914398A (en)	1975-10-21	Process for making anhydrous hydrogen fluoride from fluosilicic acid
US3880983A (en)	1975-04-29	Flue gas desulfurization with ammonium sulfite-bisulfite solution
US4150102A (en)	1979-04-17	Purifying hydrofluoric acid
US3338673A (en)	1967-08-29	Recovery of substantially anhydrous hydrogen fluoride from an impure aqueous ammonium fluoride solution
US1047576A (en)	1912-12-17	Solid compound of nitric and sulfuric anhydrids and process of making same.
US2697027A (en)	1954-12-14	Manufacture of bf3
US4861577A (en)	1989-08-29	Method for removing the sulphur content of a weak gas containing sulfur dioxide
US3574542A (en)	1971-04-13	Process for recovery of hf and h2sif6 from gases containing hf and sif4
US2865711A (en)	1958-12-23	Process for the production of hydrogen fluoride
US2991155A (en)	1961-07-04	Process for producing high grade, high purity hydrogen fluoride
DE1261835B (de)	1968-02-29	Verfahren zur Herstellung von hochprozentiger Fluorwasserstoffsaeure hoher Reinheit
CA1073183A (fr)	1980-03-11	Purification de l'acide fluorhydrique