IT995777B - Processo per il recupero di acido fluoridrico - Google Patents

Processo per il recupero di acido fluoridrico

Info

Publication number
IT995777B
IT995777B IT29992/73A IT2999273A IT995777B IT 995777 B IT995777 B IT 995777B IT 29992/73 A IT29992/73 A IT 29992/73A IT 2999273 A IT2999273 A IT 2999273A IT 995777 B IT995777 B IT 995777B
Authority
IT
Italy
Prior art keywords
recovery
fluorhydric acid
fluorhydric
acid
Prior art date
Application number
IT29992/73A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT995777B publication Critical patent/IT995777B/it

Links

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)
  • Treating Waste Gases (AREA)
  • Separation By Low-Temperature Treatments (AREA)
IT29992/73A 1972-10-11 1973-10-10 Processo per il recupero di acido fluoridrico IT995777B (it)

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
IT995777B true IT995777B (it) 1975-11-20

Family

ID=23142565

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29992/73A IT995777B (it) 1972-10-11 1973-10-10 Processo per il recupero di acido fluoridrico

Country Status (14)

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

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

Also Published As

Publication number Publication date
US3865929A (en) 1975-02-11
AR196172A1 (es) 1973-11-30
AU6113973A (en) 1975-04-10
NL7313533A (it) 1974-04-16
JPS4975484A (it) 1974-07-22
ES419083A1 (es) 1976-03-01
CA1003620A (en) 1977-01-18
FR2202845B1 (it) 1977-03-11
ZA737931B (en) 1974-08-28
FR2202845A1 (it) 1974-05-10
DE2351132A1 (de) 1974-04-25
GB1421646A (en) 1976-01-21
BE805781A (fr) 1974-02-01
BR7307576D0 (pt) 1974-08-29

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