CA1003620A - Hydrogen fluoride recovery process - Google Patents

Hydrogen fluoride recovery process

Info

Publication number: CA1003620A
Authority: CA; Canada
Prior art keywords: hydrogen fluoride; recovery process; fluoride recovery; hydrogen; recovery
Prior art date: 1972-10-11
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

CA182,818A

Other languages

English (en)

Other versions

CA182818S (en

Inventor

William H. Ehlig

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.)

EIDP Inc

Original Assignee

EI Du Pont de Nemours and Co

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.)

1972-10-11

Filing date

1973-10-09

Publication date

1977-01-18

1973-10-09 Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co

1977-01-18 Application granted granted Critical

1977-01-18 Publication of CA1003620A publication Critical patent/CA1003620A/en

Status Expired legal-status Critical Current

Links

KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title 1
229910000040 hydrogen fluoride Inorganic materials 0.000 title 1
238000011084 recovery Methods 0.000 title 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Separation By Low-Temperature Treatments (AREA)
Treating Waste Gases (AREA)

CA182,818A 1972-10-11 1973-10-09 Hydrogen fluoride recovery process Expired CA1003620A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US296565A US3865929A (en)	1972-10-11	1972-10-11	Hydrogen fluoride recovery process

Publications (1)

Publication Number	Publication Date
CA1003620A true CA1003620A (en)	1977-01-18

Family

ID=23142565

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA182,818A Expired CA1003620A (en)	1972-10-11	1973-10-09	Hydrogen fluoride recovery process

Country Status (14)

Country	Link
US (1)	US3865929A (fr)
JP (1)	JPS4975484A (fr)
AR (1)	AR196172A1 (fr)
AU (1)	AU6113973A (fr)
BE (1)	BE805781A (fr)
BR (1)	BR7307576D0 (fr)
CA (1)	CA1003620A (fr)
DE (1)	DE2351132A1 (fr)
ES (1)	ES419083A1 (fr)
FR (1)	FR2202845B1 (fr)
GB (1)	GB1421646A (fr)
IT (1)	IT995777B (fr)
NL (1)	NL7313533A (fr)
ZA (1)	ZA737931B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4372759A (en) *	1981-08-28	1983-02-08	United Technologies Corporation	Electrolyte vapor condenser
US5820641A (en) *	1996-02-09	1998-10-13	Mks Instruments, Inc.	Fluid cooled trap
US6197119B1 (en)	1999-02-18	2001-03-06	Mks Instruments, Inc.	Method and apparatus for controlling polymerized teos build-up in vacuum pump lines
US6238514B1 (en) *	1999-02-18	2001-05-29	Mks Instruments, Inc.	Apparatus and method for removing condensable aluminum vapor from aluminum etch effluent
US6488745B2 (en)	2001-03-23	2002-12-03	Mks Instruments, Inc.	Trap apparatus and method for condensable by-products of deposition reactions
CN103350984B (zh) *	2013-07-09	2015-08-12	安徽锦洋氟化学有限公司	一种无水氟化氢生产设备
CN103350985B (zh) *	2013-07-09	2015-08-12	安徽锦洋氟化学有限公司	一种无水氟化氢生产方法
CN105498272A (zh) *	2016-02-25	2016-04-20	中船第九设计研究院工程有限公司	一种电解制氟阴极尾气的氟化氢回收处理装置
CN113880048B (zh) *	2021-09-30	2023-06-27	中化蓝天霍尼韦尔新材料有限公司	一种氢氟酸高效回收系统及方法
CN115010091B (zh) *	2022-06-17	2023-10-31	多氟多新材料股份有限公司	一种氟化氢的除杂方法、氟化氢的提纯方法、氟化氢的提纯装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2414884A (en) *	1943-10-29	1947-01-28	Phillips Petroleum Co	Purification of hydrofluoric acid
US2780307A (en) *	1953-05-28	1957-02-05	Pacific Foundry Company Ltd	Recovery of elemental sulphur from a gas system
US2775311A (en) *	1955-09-26	1956-12-25	Standard Oil Co	Sulfur removal in gas cooling
US3097917A (en) *	1961-04-19	1963-07-16	Dev Ltd	Method for high pressure selective absorption of gases
DE1442979B1 (de) *	1962-08-20	1970-08-27	Buss Ag	Verfahren zur Reindarstellung von Flusssaeure aus Reaktionsgasen
US3167391A (en) *	1963-07-18	1965-01-26	Harshaw Chem Corp	Purification of anhydrous hydrogen fluoride
US3347022A (en) *	1965-01-29	1967-10-17	Du Pont	Process for removal of solid particles from a hydrogen fluoride reactor

1972
- 1972-10-11 US US296565A patent/US3865929A/en not_active Expired - Lifetime
1973
- 1973-09-26 ES ES419083A patent/ES419083A1/es not_active Expired
- 1973-09-28 BR BR7576/73A patent/BR7307576D0/pt unknown
- 1973-10-02 NL NL7313533A patent/NL7313533A/xx not_active Application Discontinuation
- 1973-10-04 AR AR250372A patent/AR196172A1/es active
- 1973-10-08 BE BE136438A patent/BE805781A/fr unknown
- 1973-10-09 JP JP48112910A patent/JPS4975484A/ja active Pending
- 1973-10-09 AU AU61139/73A patent/AU6113973A/en not_active Expired
- 1973-10-09 CA CA182,818A patent/CA1003620A/en not_active Expired
- 1973-10-10 GB GB4734173A patent/GB1421646A/en not_active Expired
- 1973-10-10 IT IT29992/73A patent/IT995777B/it active
- 1973-10-10 FR FR7336163A patent/FR2202845B1/fr not_active Expired
- 1973-10-11 DE DE19732351132 patent/DE2351132A1/de active Pending
- 1973-10-11 ZA ZA737931*A patent/ZA737931B/xx unknown

Also Published As

Publication number	Publication date
DE2351132A1 (de)	1974-04-25
AU6113973A (en)	1975-04-10
IT995777B (it)	1975-11-20
ZA737931B (en)	1974-08-28
JPS4975484A (fr)	1974-07-22
FR2202845B1 (fr)	1977-03-11
BE805781A (fr)	1974-02-01
NL7313533A (fr)	1974-04-16
ES419083A1 (es)	1976-03-01
US3865929A (en)	1975-02-11
GB1421646A (en)	1976-01-21
FR2202845A1 (fr)	1974-05-10
AR196172A1 (es)	1973-11-30
BR7307576D0 (pt)	1974-08-29

Publication	Publication Date	Title
AU469925B2 (en)	1976-02-26	Metal recovery process
CA1021531A (fr)	1977-11-29	Fabrication du fluorure d'hydrogene
AU6113973A (en)	1975-04-10	Hydrogen fluoride recovery process
CA1008990A (en)	1977-04-19	Recovery process
CS184329B2 (en)	1978-08-31	Method for producing pure 1-nitroantraquionone
CA894222A (en)	1972-02-29	Integral hydrocracking-hydro-treating process
AU477214B2 (en)	1976-10-21	Conversion process
AU471940B2 (en)	1976-05-06	Process
CA983241A (en)	1976-02-10	Hydrogen fluoride removal process
CA1022725A (fr)	1977-12-20	Methode a suivre pour la production de fluorure d'hydrogene
CA956436A (en)	1974-10-22	Sulfur recovery process
CA1000908A (en)	1976-12-07	Terpene recovery process
CA915361A (en)	1972-11-28	Chemical recovery process
CA915362A (en)	1972-11-28	Chemical recovery process
CA928007A (en)	1973-06-12	Chemical recovery process
AU466195B2 (en)	1975-10-23	Process
ZA739153B (en)	1975-08-27	Recovery process
AU472429B2 (en)	1976-05-27	Improved petroleum recovery process
AU5655773A (en)	1974-12-05	Reaction method
AU441671B2 (en)	1972-04-20	Recovery process
AU480506B2 (en)	1975-02-27	Production of hydrogen fluoride
AU488332B1 (en)	1975-03-27	Process
CA923256A (en)	1973-03-27	Chemical recovery process
CA985483A (en)	1976-03-16	Process for recovering phosphorus
AU3231371A (en)	1973-02-15	Recovery process