EP4493732A4 - Procédé de traitement d'un palier en carbure de silicium - Google Patents

Procédé de traitement d'un palier en carbure de silicium

Info

Publication number
EP4493732A4
EP4493732A4 EP23770012.5A EP23770012A EP4493732A4 EP 4493732 A4 EP4493732 A4 EP 4493732A4 EP 23770012 A EP23770012 A EP 23770012A EP 4493732 A4 EP4493732 A4 EP 4493732A4
Authority
EP
European Patent Office
Prior art keywords
treating
silicon carbide
carbide bearing
bearing
silicon
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.)
Pending
Application number
EP23770012.5A
Other languages
German (de)
English (en)
Other versions
EP4493732A1 (fr
Inventor
Dayle Robert Flynn
Beverly Ann Plumb
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.)
Sibanye Stillwater Ltd
Original Assignee
Sibanye Stillwater Ltd
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 Sibanye Stillwater Ltd filed Critical Sibanye Stillwater Ltd
Publication of EP4493732A1 publication Critical patent/EP4493732A1/fr
Publication of EP4493732A4 publication Critical patent/EP4493732A4/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C22B11/00—Obtaining noble metals
    • C22B11/02—Obtaining noble metals by dry processes
    • C22B11/021—Recovery of noble metals from waste materials
    • C22B11/026—Recovery of noble metals from waste materials from spent catalysts
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/009—General processes for recovering metals or metallic compounds from spent catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
    • F27B7/34—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0026—Introducing additives into the melt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B2014/002—Smelting process, e.g. sequences to melt a specific material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Silicon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP23770012.5A 2022-03-15 2023-03-15 Procédé de traitement d'un palier en carbure de silicium Pending EP4493732A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA202203049 2022-03-15
PCT/IB2023/052531 WO2023175535A1 (fr) 2022-03-15 2023-03-15 Procédé de traitement d'un palier en carbure de silicium

Publications (2)

Publication Number Publication Date
EP4493732A1 EP4493732A1 (fr) 2025-01-22
EP4493732A4 true EP4493732A4 (fr) 2026-04-22

Family

ID=88022609

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23770012.5A Pending EP4493732A4 (fr) 2022-03-15 2023-03-15 Procédé de traitement d'un palier en carbure de silicium

Country Status (3)

Country Link
EP (1) EP4493732A4 (fr)
KR (1) KR20250011102A (fr)
WO (1) WO2023175535A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581064A (en) * 1984-07-04 1986-04-08 Noranda Inc. Treatment of anode slimes in a top blown rotary converter
JP2008088452A (ja) * 2006-09-29 2008-04-17 Dowa Holdings Co Ltd ＳｉＣ系物質からの金または白金族元素の回収方法
US20190338380A1 (en) * 2019-04-29 2019-11-07 Techemet, LP Jacketed Rotary Converter and PGM Converting Process
WO2021140012A1 (fr) * 2020-01-10 2021-07-15 Umicore Procédé de récupération de métaux du groupe du platine à partir de catalyseurs comprenant du carbure de silicium
WO2021186113A1 (fr) * 2020-03-17 2021-09-23 Eco'ring Procédé de récupération dans des ferro-alliages des métaux contenus dans des catalyseurs usés

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2430202T3 (en) * 2009-05-14 2015-02-23 Umicore Nv RECOVERY OF PRECIOUS METALS FROM USED homogeneous catalysts

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581064A (en) * 1984-07-04 1986-04-08 Noranda Inc. Treatment of anode slimes in a top blown rotary converter
JP2008088452A (ja) * 2006-09-29 2008-04-17 Dowa Holdings Co Ltd ＳｉＣ系物質からの金または白金族元素の回収方法
US20190338380A1 (en) * 2019-04-29 2019-11-07 Techemet, LP Jacketed Rotary Converter and PGM Converting Process
WO2021140012A1 (fr) * 2020-01-10 2021-07-15 Umicore Procédé de récupération de métaux du groupe du platine à partir de catalyseurs comprenant du carbure de silicium
WO2021186113A1 (fr) * 2020-03-17 2021-09-23 Eco'ring Procédé de récupération dans des ferro-alliages des métaux contenus dans des catalyseurs usés

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023175535A1 *

Also Published As

Publication number Publication date
EP4493732A1 (fr) 2025-01-22
WO2023175535A1 (fr) 2023-09-21
KR20250011102A (ko) 2025-01-21

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RIC1 Information provided on ipc code assigned before grant

Ipc: C22B 11/02 20060101AFI20260319BHEP

Ipc: C22B 7/00 20060101ALI20260319BHEP

Ipc: F27B 7/34 20060101ALI20260319BHEP

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