KR870004902A - 고품질 분획의 자동분리를 포함하는 탄화 규소의 제조방법 - Google Patents

고품질 분획의 자동분리를 포함하는 탄화 규소의 제조방법 Download PDF

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KR870004902A
KR870004902A KR860009272A KR860009272A KR870004902A KR 870004902 A KR870004902 A KR 870004902A KR 860009272 A KR860009272 A KR 860009272A KR 860009272 A KR860009272 A KR 860009272A KR 870004902 A KR870004902 A KR 870004902A
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ferromagnetic element
mentioned
ferromagnetic
mixture
iron
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KR860009272A
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KR900004434B1 (ko
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제이.세이더 로버트
제이.귀첼라 필립
오.앤더슨 로버트
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그레이 알. 플로티춰
케네코트 코포레이션
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • C01B32/963—Preparation from compounds containing silicon
    • C01B32/97—Preparation from SiO or SiO2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

내용 없음

Description

고품질 분획의 자동분리를 포함하는 탄화 규소의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 노 혼합물(furnace mix)의 중심부근에 위치한 흑연 전극을 갖는 탄화 규소 어키슨(Acheson)형 노의 설명도이다.
제2도는 생성된 노 생성물을 갖는 탄화 규소 어키슨-형 노의 대표적인 단면도이다.
제4도는 본 발명의 바람직한 방법을 도식적으로 표현한 것이다.

Claims (10)

  1. 규조원, 탄소원 및 강자성(ferromagnetic) 요소원을 혼합하고; 혼합물을, 그 중심부분부터, 온도구배를 혼합물의 중심부분과 외측부분사이에 설정하면서, 탄화 규소를 함유하는 원통을 형성시키기에 충분한 온도로 가열한 다음(이로써 언급된 강자성 요소가 언급된 중심 부분에서 외측부분으로 이동한다); 원통을 냉각시키고; 원통을 분쇄하여 입상 물질을 형성시킨 다음; 입상 물질의 분획을 자기적으로 분리시켜고 고품질 분획으로서 잔류물을 회수함을 특징으로 하여, 탄화규소를 생성시키고 이의 고품질 분획을 분리시키는 방법.
  2. 제1항에 있어서, 언급된 규소원이 실리카 모래이고, 탄소원이 분쇄되거나 분말화된 석탄 또는 코우크스이며, 강자성요소가 입상고체인 방법.
  3. 제2항에 있어서, 강자성 요소가 실리카 모래중에 함유되는 방법.
  4. 제1항에 있어서, 언급된 강자성 요소가 철, 철화합물, 철합금, 니켈, 니켈합금, 니켈화합물, 코발트, 코발트화합물, 코발트합금 및 이들의 혼합물중에서 선택된 입상 고체중에 함유되는 방법.
  5. 제1항에 있어서, 언급된 강자성 요소가 철과 규소로 이루어진 합금중에 함유되는 방법.
  6. 제1항에 있어서, 언급된 분쇄가,-6메시이거나 더 미세한 입상 물질을 제공하는 방법.
  7. 제1항에 있어서, 언급된 가열이, 혼합물을 통해 전류를 통과시킴으로써 수행되며, 혼합물이 트로(trough))의 양쪽 끝에서 중심에 위치한 한쌍의 전극을 갖는 가늘고 긴 트로내에서 가열되는 방법.
  8. 제1항에 있어서, 언급된 강자성 요소가 래드 무드(red mud)로 부터 유도되는 방법.
  9. 제1항에 있어서, 언급된 저품질 분획중에 강자성 요소 0.125중량 %이상을 제공하기에 충분한 양의 강자성요소가 가열단계의 공급물중에 존재하는 방법.
  10. 제1항에 있어서, 언급된 저품질 분획중에 강자성 요소 0.25중량 %이상을 제공하기에 충분한 양의 강자성 요소가 가열단계의 공급물중에 존재하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860009272A 1985-11-05 1986-11-04 고품질 분획의 자동 분리를 포함하는 탄화 규소의 제조방법 KR900004434B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/795,188 US4659022A (en) 1985-04-10 1985-11-05 Production of silicon carbide with automatic separation of a high grade fraction
US795,188 1985-11-05
US795.188 1985-11-05

Publications (2)

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KR870004902A true KR870004902A (ko) 1987-06-02
KR900004434B1 KR900004434B1 (ko) 1990-06-25

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KR1019860009272A KR900004434B1 (ko) 1985-11-05 1986-11-04 고품질 분획의 자동 분리를 포함하는 탄화 규소의 제조방법

Country Status (7)

Country Link
US (1) US4659022A (ko)
EP (1) EP0222573A3 (ko)
JP (1) JPS62108725A (ko)
KR (1) KR900004434B1 (ko)
BR (1) BR8605427A (ko)
CA (1) CA1275558C (ko)
NO (1) NO173438C (ko)

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EP2129745A2 (de) * 2006-12-18 2009-12-09 Silicon Fire AG Neuartiger kaskadierter kraftwerksprozess und verfahren zum bereitstellen von reversibel einsetzbaren wasserstoffträgern in einem solchen kraftwerksprozess
JP6210598B2 (ja) * 2014-02-25 2017-10-11 太平洋セメント株式会社 炭化珪素粉末の製造方法
CN103922343B (zh) * 2014-03-19 2016-03-09 河南易成新能源股份有限公司 碳化硅切割刃料除铁提纯方法
CN107115965B (zh) * 2017-06-29 2019-03-12 新郑市宝德高技术有限公司 碳化硅微粉除铁装置及其使用方法

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Also Published As

Publication number Publication date
BR8605427A (pt) 1987-08-11
EP0222573A3 (en) 1988-05-04
NO173438C (no) 1993-12-15
NO864397L (no) 1987-05-06
NO864397D0 (no) 1986-11-04
EP0222573A2 (en) 1987-05-20
US4659022A (en) 1987-04-21
KR900004434B1 (ko) 1990-06-25
CA1275558C (en) 1990-10-30
JPS62108725A (ja) 1987-05-20
NO173438B (no) 1993-09-06

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