IT960455B - Metodo ed apparecchiatura per l ad sorbimento del fluoro e di composti di fluoro su allumina - Google Patents

Metodo ed apparecchiatura per l ad sorbimento del fluoro e di composti di fluoro su allumina

Info

Publication number
IT960455B
IT960455B IT9507/72A IT950772A IT960455B IT 960455 B IT960455 B IT 960455B IT 9507/72 A IT9507/72 A IT 9507/72A IT 950772 A IT950772 A IT 950772A IT 960455 B IT960455 B IT 960455B
Authority
IT
Italy
Prior art keywords
alumine
fluor
absorption
equipment
fluorine compounds
Prior art date
Application number
IT9507/72A
Other languages
English (en)
Original Assignee
Tunzini Ameliorair Tam
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 Tunzini Ameliorair Tam filed Critical Tunzini Ameliorair Tam
Application granted granted Critical
Publication of IT960455B publication Critical patent/IT960455B/it

Links

Classifications

    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/22—Collecting emitted gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Electrolytic Production Of Metals (AREA)
IT9507/72A 1971-05-28 1972-05-26 Metodo ed apparecchiatura per l ad sorbimento del fluoro e di composti di fluoro su allumina IT960455B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717119494A FR2139648B1 (it) 1971-05-28 1971-05-28

Publications (1)

Publication Number Publication Date
IT960455B true IT960455B (it) 1973-11-20

Family

ID=9077805

Family Applications (1)

Application Number Title Priority Date Filing Date
IT9507/72A IT960455B (it) 1971-05-28 1972-05-26 Metodo ed apparecchiatura per l ad sorbimento del fluoro e di composti di fluoro su allumina

Country Status (12)

Country Link
US (1) US3780497A (it)
JP (1) JPS5242740B2 (it)
CA (1) CA978867A (it)
CH (1) CH558199A (it)
DE (1) DE2225686C3 (it)
FR (1) FR2139648B1 (it)
GB (1) GB1396597A (it)
IT (1) IT960455B (it)
NL (1) NL170498C (it)
NO (1) NO133180C (it)
SU (1) SU673147A3 (it)
YU (1) YU34844B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790143A (en) * 1972-07-31 1974-02-05 Fuller Co Removal of fluorides from gases
US4065271A (en) * 1973-09-15 1977-12-27 Metallgesellschaft Aktiengesellschaft Process of separating hydrogen fluoride from gases
JPS5064196A (it) * 1973-10-11 1975-05-31
DE2403282A1 (de) * 1974-01-24 1975-11-06 Metallgesellschaft Ag Verfahren zur abscheidung von fluorwasserstoff aus abgasen der aluminiumelektrolyse durch trockenadsorption an aluminiumoxid unter vollstaendiger abtrennung der schaedlichen begleitelemente
US4062696A (en) * 1976-07-27 1977-12-13 Kaiser Aluminum & Chemical Corporation Purification of contaminated alumina scavengers of aluminum reduction cell effluent dry scrubber systems
GB1571222A (en) * 1977-03-10 1980-07-09 Ardal Og Sunndal Verk Process and apparatus for treatment of waste gases
US4113832A (en) * 1977-11-28 1978-09-12 Kaiser Aluminum & Chemical Corporation Process for the utilization of waste materials from electrolytic aluminum reduction systems
DE2839541A1 (de) * 1978-09-12 1980-03-20 Rothemuehle Brandt Kritzler Verfahren zur abscheidung von gasfoermigen schadstoffen, wie chlorwasserstoff, fluorwasserstoff und schwefeloxyd, aus rauchgasen, insbesondere von muellverbrennungsanagen, sowie abscheideanlage zur durchfuehrung des verfahrens
US4226831A (en) * 1979-03-16 1980-10-07 Allis-Chalmers Corporation Apparatus for removal of sulfur from gas
CH645677A5 (de) * 1979-08-28 1984-10-15 Alusuisse Vorrichtung zum beschicken von elektrolysezellen und verfahren zu deren betrieb.
US4299683A (en) * 1980-07-17 1981-11-10 Aluminum Company Of America Apparatus and method for efficient transfer of powdered ore
CA1197074A (en) * 1981-12-04 1985-11-26 Isaias Loukos Method and apparatus for cleaning waste gases from aluminum production facilities
FR2534831A1 (fr) * 1982-10-25 1984-04-27 Air Ind Installation d'injection d'une matiere pulverulente, notamment d'une matiere adsorbante, dans une colonne de contact
DK348483D0 (da) * 1983-07-29 1983-07-29 Smidth & Co As F L Fremgangsmade og apparat til fjernelse af svovloxider fra varm roeggas
DK348583D0 (da) * 1983-07-29 1983-07-29 Smidth & Co As F L Fremgangsmade og apparat til fjernelse af svovloxider fra varm roeggas ved toermetoden
FR2572659B1 (fr) * 1984-11-07 1987-01-16 Air Ind Environnement Installation pour le traitement de fumees par un produit en poudre
DE3637518A1 (de) * 1986-11-04 1988-05-05 Hoelter Heinz Verfahren zur abscheidung von sauren bestandteilen hinter fossilen brennstoffanlagen
DE3643143A1 (de) * 1986-11-05 1988-05-11 Krupp Polysius Ag Verfahren zur entfernung von schadstoffen aus abgasen
CA2173859A1 (en) * 1993-11-16 1995-05-26 Grant A. Wellwood Countercurrent gas-solid contacting
NO310933B1 (no) * 1997-06-25 2001-09-17 Flaekt Ab Renseanlegg
US6837982B2 (en) * 2002-01-25 2005-01-04 Northwest Aluminum Technologies Maintaining molten salt electrolyte concentration in aluminum-producing electrolytic cell
FR2848875B1 (fr) * 2002-12-18 2005-02-11 Pechiney Aluminium Procede et dispositif de traitement des effluents de cellule d'electrolyse pour la production d'aluminium
US8764350B2 (en) * 2008-06-05 2014-07-01 Alstom Technology Ltd Conveyor for transporting powder, and a method for conveying powder
CN103484891B (zh) * 2012-06-11 2016-06-15 内蒙古联合工业有限公司 一种电解铝用电解槽及使用该电解槽的电解工艺
RU2669664C2 (ru) 2014-06-09 2018-10-12 Бектел Майнинг Энд Металз, Инк. Комплексная очистка газов
FR3032626B1 (fr) * 2015-02-13 2020-01-17 Fives Solios Procede et dispositif pour ameliorer la captation du so2 issu des gaz de cuves d'electrolyse par un ensemble de modules filtrants
CN104911631A (zh) * 2015-06-18 2015-09-16 中国科学院过程工程研究所 多孔氧化铝高效净化铝电解含氟烟气的新方法
WO2022185879A1 (ja) * 2021-03-02 2022-09-09 昭和電工株式会社 フッ化水素ガス除去装置及びフッ化水素ガスの除去方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1119432A (en) * 1965-01-30 1968-07-10 Mitsubishi Heavy Ind Ltd Gas-powder contact process and apparatus therefor
US3560754A (en) * 1965-11-17 1971-02-02 Ibm Photoelectric particle separator using time delay
US3503184A (en) * 1968-03-07 1970-03-31 Aluminum Co Of America Treatment of gases evolved in the production of aluminum

Also Published As

Publication number Publication date
US3780497A (en) 1973-12-25
CH558199A (fr) 1975-01-31
DE2225686A1 (de) 1972-12-14
SU673147A3 (ru) 1979-07-05
JPS5242740B2 (it) 1977-10-26
YU34844B (en) 1980-04-30
FR2139648A1 (it) 1973-01-12
NL170498C (nl) 1982-11-16
NL170498B (nl) 1982-06-16
FR2139648B1 (it) 1973-08-10
NL7207266A (it) 1972-11-30
DE2225686B2 (de) 1977-08-25
NO133180B (it) 1975-12-15
DE2225686C3 (de) 1978-04-20
NO133180C (no) 1980-09-11
CA978867A (en) 1975-12-02
YU140772A (en) 1979-10-31
GB1396597A (en) 1975-06-04
JPS4813273A (it) 1973-02-19

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