FR1236242A - Procédé de purification de substances solides - Google Patents

Procédé de purification de substances solides

Info

Publication number
FR1236242A
FR1236242A FR805292A FR805292A FR1236242A FR 1236242 A FR1236242 A FR 1236242A FR 805292 A FR805292 A FR 805292A FR 805292 A FR805292 A FR 805292A FR 1236242 A FR1236242 A FR 1236242A
Authority
FR
France
Prior art keywords
purification
solid substances
substances
solid
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
FR805292A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1236242A publication Critical patent/FR1236242A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/005—Fusing
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C01B33/037—Purification
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Silicon Compounds (AREA)
FR805292A 1958-09-18 1959-09-16 Procédé de purification de substances solides Expired FR1236242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29894/58A GB897730A (en) 1958-09-18 1958-09-18 Improvements in and relating to methods of purifying substances

Publications (1)

Publication Number Publication Date
FR1236242A true FR1236242A (fr) 1960-07-15

Family

ID=10298908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805292A Expired FR1236242A (fr) 1958-09-18 1959-09-16 Procédé de purification de substances solides

Country Status (3)

Country Link
FR (1) FR1236242A (fr)
GB (1) GB897730A (fr)
NL (1) NL243412A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007513048A (ja) * 2003-12-04 2007-05-24 ダウ・コーニング・コーポレイション 太陽電池グレードのケイ素を生産するための、冶金グレードのケイ素から不純物を除去する方法

Also Published As

Publication number Publication date
GB897730A (en) 1962-05-30
NL243412A (fr)

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