FR1509930A - Perfectionnements apportés aux arcs à plasma et notamment aux moyens pour augmenter le temps de réaction d'une réaction chimique dans de tels arcs à plasma - Google Patents

Perfectionnements apportés aux arcs à plasma et notamment aux moyens pour augmenter le temps de réaction d'une réaction chimique dans de tels arcs à plasma

Info

Publication number
FR1509930A
FR1509930A FR58376A FR58376A FR1509930A FR 1509930 A FR1509930 A FR 1509930A FR 58376 A FR58376 A FR 58376A FR 58376 A FR58376 A FR 58376A FR 1509930 A FR1509930 A FR 1509930A
Authority
FR
France
Prior art keywords
plasma arcs
increasing
improvements made
reaction time
chemical reaction
Prior art date
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
FR58376A
Other languages
English (en)
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.)
Battelle Development Corp
Original Assignee
Battelle Development Corp
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 Battelle Development Corp filed Critical Battelle Development Corp
Application granted granted Critical
Publication of FR1509930A publication Critical patent/FR1509930A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32055—Arc discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J15/00—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • 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
    • C01B25/02—Preparation of phosphorus
    • C01B25/027—Preparation of phosphorus of yellow phosphorus
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0894—Processes carried out in the presence of a plasma
    • 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
    • Y10S422/00—Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
    • Y10S422/906—Plasma or ion generation means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Furnace Details (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
FR58376A 1965-04-20 1966-04-20 Perfectionnements apportés aux arcs à plasma et notamment aux moyens pour augmenter le temps de réaction d'une réaction chimique dans de tels arcs à plasma Expired FR1509930A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US449468A US3380904A (en) 1965-04-20 1965-04-20 Confining the reaction zone in a plasma arc by solidifying a confining shell around the zone

Publications (1)

Publication Number Publication Date
FR1509930A true FR1509930A (fr) 1968-01-19

Family

ID=23784278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58376A Expired FR1509930A (fr) 1965-04-20 1966-04-20 Perfectionnements apportés aux arcs à plasma et notamment aux moyens pour augmenter le temps de réaction d'une réaction chimique dans de tels arcs à plasma

Country Status (4)

Country Link
US (1) US3380904A (fr)
DE (1) DE1542586A1 (fr)
FR (1) FR1509930A (fr)
NO (1) NO117991B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0350542A1 (fr) * 1988-07-14 1990-01-17 FMC Corporation Procédé de récupération de phosphore élémentaire et d'un concentré métallique à partir de ferrophos

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496280A (en) * 1968-08-15 1970-02-17 United States Steel Corp Method of refining steel in plasma-arc remelting
US3832448A (en) * 1969-10-29 1974-08-27 J Longfield Process for production of phosphorus
DE2110274C2 (de) * 1971-03-04 1973-01-04 Fried. Krupp Gmbh, 4300 Essen Vorrichtung zum Einschmelzen von Metallschwamm durch inerte Gasplasmen
US3708599A (en) * 1971-04-22 1973-01-02 Thermal Transfer Corp High temperature apparatus
US4000245A (en) * 1973-02-20 1976-12-28 Westinghouse Electric Corporation Process for arc heater production of defluorinated phosphates
US4010241A (en) * 1974-08-27 1977-03-01 Alfred Lvovich Mosse Process for the production of hydrogen fluoride, phosphoric anhydride, calcium polyphosphates and nitric acid
JPS5841939B2 (ja) * 1976-12-29 1983-09-16 大同特殊鋼株式会社 加熱装置及び加熱方法
EP0118655B1 (fr) * 1982-12-22 1988-03-02 VOEST-ALPINE Aktiengesellschaft Procédé pour réaliser des processus métallurgiques ou chimiques et bas-fourneau
AT378539B (de) * 1983-08-18 1985-08-26 Voest Alpine Ag Verfahren zur herstellung von metallen oder metallegierungen sowie vorrichtung zur durchfuehrung des verfahrens
WO2007130613A2 (fr) * 2006-05-04 2007-11-15 Sri International Système de réacteur à lit mobile et à décharge de plusieurs arcs
US10815639B2 (en) 2017-09-06 2020-10-27 Clark Equipment Company Bucket cleanout

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709183A (en) * 1953-12-04 1955-05-24 Du Pont Synthesis of aliphatic fluorine compounds from hydrogen fluoride and carbon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0350542A1 (fr) * 1988-07-14 1990-01-17 FMC Corporation Procédé de récupération de phosphore élémentaire et d'un concentré métallique à partir de ferrophos

Also Published As

Publication number Publication date
US3380904A (en) 1968-04-30
NO117991B (fr) 1969-10-20
DE1542586A1 (de) 1970-03-26

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