CA2163221C - Procede et appareil pour purifier le graphite - Google Patents

Procede et appareil pour purifier le graphite Download PDF

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Publication number
CA2163221C
CA2163221C CA002163221A CA2163221A CA2163221C CA 2163221 C CA2163221 C CA 2163221C CA 002163221 A CA002163221 A CA 002163221A CA 2163221 A CA2163221 A CA 2163221A CA 2163221 C CA2163221 C CA 2163221C
Authority
CA
Canada
Prior art keywords
chlorine
core
pressure
wall
inert gas
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 - Fee Related
Application number
CA002163221A
Other languages
English (en)
Other versions
CA2163221A1 (fr
Inventor
Jean-Marc Lalancette
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.)
Exploration Strategique (strex) Inc/strategic Exploration (strex) Inc
Original Assignee
Exploration Strategique (strex) Inc/strategic Exploration (strex) Inc
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 Exploration Strategique (strex) Inc/strategic Exploration (strex) Inc filed Critical Exploration Strategique (strex) Inc/strategic Exploration (strex) Inc
Publication of CA2163221A1 publication Critical patent/CA2163221A1/fr
Application granted granted Critical
Publication of CA2163221C publication Critical patent/CA2163221C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/14Production of inert gas mixtures; Use of inert gases in general
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/20Graphite
    • C01B32/21After-treatment
    • C01B32/215Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00168Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00176Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles outside the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00539Pressure
CA002163221A 1993-05-21 1993-05-21 Procede et appareil pour purifier le graphite Expired - Fee Related CA2163221C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA1993/000219 WO1994027909A1 (fr) 1993-05-21 1993-05-21 Procede et appareil de purification de graphite

Publications (2)

Publication Number Publication Date
CA2163221A1 CA2163221A1 (fr) 1994-12-08
CA2163221C true CA2163221C (fr) 2001-10-30

Family

ID=4172973

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002163221A Expired - Fee Related CA2163221C (fr) 1993-05-21 1993-05-21 Procede et appareil pour purifier le graphite

Country Status (3)

Country Link
AU (1) AU4057593A (fr)
CA (1) CA2163221C (fr)
WO (1) WO1994027909A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109437186A (zh) * 2018-11-23 2019-03-08 湖南顶立科技有限公司 一种石墨粉及其脱氮工艺

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817523B (zh) * 2009-03-19 2011-09-28 株洲弗拉德科技有限公司 石墨提纯及石墨化高温立式连续感应加热炉
CN102745681B (zh) * 2012-07-19 2014-07-09 武汉工程大学 一种提纯石墨的方法及其装置
CN106145104A (zh) * 2016-08-31 2016-11-23 无锡东恒新能源科技有限公司 一种一体化石墨提纯设备
TWI607966B (zh) * 2016-12-22 2017-12-11 國家中山科學研究院 不同相之石墨結構製作方法
CN107539982A (zh) * 2017-10-31 2018-01-05 湖南国盛石墨科技有限公司 一种高纯微晶石墨生产系统及其生产工艺
EP3514128A1 (fr) 2018-01-18 2019-07-24 Heraeus GMSI LLC Procédé de fabrication d'un corps revêtu de carbure de silicium
EP3514130A1 (fr) 2018-01-18 2019-07-24 Heraeus GMSI LLC Procédé de fabrication d'un corps revêtu de carbure de silicium
EP3514259A1 (fr) 2018-01-18 2019-07-24 Heraeus GMSI LLC Procédé de fabrication d'un corps revêtu de carbure de silicium
EP3514257A1 (fr) 2018-01-18 2019-07-24 Heraeus GMSI LLC Procédé de fabrication d'un corps revêtu de carbure de silicium
EP3514127A1 (fr) 2018-01-18 2019-07-24 Heraeus GMSI LLC Procédé de fabrication d'un corps revêtu de carbure de silicium
EP3514129A1 (fr) 2018-01-18 2019-07-24 Heraeus GMSI LLC Procédé de fabrication d'un corps revêtu de carbure de silicium
EP3626865A1 (fr) 2018-09-20 2020-03-25 Heraeus GMSI LLC Suscepteur et son procédé de fabrication
CN109336104A (zh) * 2018-11-23 2019-02-15 北京航空航天大学 一种低温石墨提纯方法
CN111362263A (zh) * 2020-04-07 2020-07-03 佛山瑞之进智汇科技有限公司 一种高纯石墨材料的制备方法
CN111841286A (zh) * 2020-08-28 2020-10-30 上海岚玥新材料科技有限公司 一种新式石墨纯化残余废气处理装置及工艺
CN112320793B (zh) * 2020-10-22 2022-04-05 中钢新型材料股份有限公司 一种用于半导体级SiC粉体合成的高纯石墨粉的制备工艺
CN112340726A (zh) * 2020-11-18 2021-02-09 湖南顶立科技有限公司 一种高纯石墨坩埚的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914383A (en) * 1951-11-16 1959-11-24 Graphitwerk Kropfmuhl Ag Process of purifying graphite
JPS61101408A (ja) * 1984-10-19 1986-05-20 Hitachi Chem Co Ltd 黒鉛材の精製法及び精製装置
JPH0645446B2 (ja) * 1988-09-19 1994-06-15 東海カーボン株式会社 高純度黒鉛微粉の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109437186A (zh) * 2018-11-23 2019-03-08 湖南顶立科技有限公司 一种石墨粉及其脱氮工艺

Also Published As

Publication number Publication date
AU4057593A (en) 1994-12-20
WO1994027909A1 (fr) 1994-12-08
CA2163221A1 (fr) 1994-12-08

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