KR940011354A - Method for Improving Value Added of Kaolin Using Phenol Acid - Google Patents

Method for Improving Value Added of Kaolin Using Phenol Acid Download PDF

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Publication number
KR940011354A
KR940011354A KR1019920020684A KR920020684A KR940011354A KR 940011354 A KR940011354 A KR 940011354A KR 1019920020684 A KR1019920020684 A KR 1019920020684A KR 920020684 A KR920020684 A KR 920020684A KR 940011354 A KR940011354 A KR 940011354A
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KR
South Korea
Prior art keywords
kaolin
improving
acid
value added
improving value
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Application number
KR1019920020684A
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Korean (ko)
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KR960002620B1 (en
Inventor
박정현
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박정현
김기환
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Publication date
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Priority to KR1019920020684A priority Critical patent/KR960002620B1/en
Publication of KR940011354A publication Critical patent/KR940011354A/en
Application granted granted Critical
Publication of KR960002620B1 publication Critical patent/KR960002620B1/en

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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
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

본 발명은 페불산을 이용한 카올린의 부가가치 향상방법에 관한 것으로, 좀 더 구체적으로는 페불산으로 카올린을 처리, 건조 및 하소하여 고순도의 뮬라이트(mullite)를 제조한 카올린의 부가가치 향상방법에 관한 것이다.The present invention relates to a method for improving the added value of kaolin using pebulic acid, and more particularly, to a method for improving the added value of kaolin prepared by treating, drying and calcining kaolin with pefluoric acid to produce mullite of high purity.

본 발명에 의하여 카올린을 페불산으로 처리하여 고순도의 뮬라이트를 얻을 수 있었다.According to the present invention, kaolin was treated with pefluoric acid to obtain mullite of high purity.

Description

페불산을 이용한 카올린의 부가가치 향상방법Method for Improving Value Added of Kaolin Using Phenol Acid

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에서 사용한 내산성 교반반응조의 개략도를 도시한 것이고,FIG. 1 shows a schematic diagram of an acid resistant stirring reactor used in the present invention.

제2도 카올린의 폐불산 처리 시간에 따른 X-선 회절 분석결과를 그래프로 도시한 것으로서 (a)는 4시간 (b) 8시간 (c) 12시간 및 (d) 16시간을 불산처리한 것이며, (● : AlF2·3H20, ▽ : Al2Si205(0H)4, ○ : SiO2), 제3도는 불산처리 후 열처리가 완료된 상태에서 뮬라이트(m)생성을 그래프로 도시한 것으로서 (a)는 불산처리 후 열처리를 한 것이고, (b)는 16시간 불산처리 후 열처리를 한 것이다.FIG. 2 is a graph showing the results of X-ray diffraction analysis according to the waste hydrofluoric acid treatment time of kaolin. , (●: AlF 2 · 3H 2 0, ▽: Al 2 Si 2 0 5 (0H) 4 , ○: SiO 2 ), FIG. As a result, (a) is a heat treatment after hydrofluoric acid treatment, and (b) is a heat treatment after hydrofluoric acid treatment for 16 hours.

Claims (5)

페불산으로 카올린을 처리, 건조 및 하소하여 뮬라이트화 시키는 것을 특징으로 하는 카올린의 부가가치 향상방법.A method of improving the added value of kaolin, characterized by treating, drying and calcining kaolin with pebulic acid to mullite. 제1항에 있어서, 상기 페불산은 카올린에 대하여 2∼4배의 양이 사용되는 것을 특징으로 하는 카올린의 부가가치 향상방법.The method of improving value added of kaolin according to claim 1, wherein the amount of pebulic acid is used in an amount of 2 to 4 times the amount of kaolin. 제1항에 있어서, 상기 카올린의 처리는 반응조에서 150∼300rpm으로 12∼24시간 반응시키는 것을 특징으로 하는 카올린의 부가가치 향상방법.The method of improving value added of kaolin according to claim 1, wherein the treatment of kaolin is carried out in a reaction vessel at 150 to 300 rpm for 12 to 24 hours. 제1항에 있어서, 상기 건조 공정은 120℃에서 24시간 건조시키는 것을 특징으로 하는 카올린의 부가가치 향상방법.The method of claim 1, wherein the drying step is performed at 120 ° C. for 24 hours. 제1항에 있어서, 상기 하소 공정은 700∼800℃에서 1.5∼3시간 열처리시키는 것을 특징으로 하는 카올린의 부가가치 향상방법.The method according to claim 1, wherein the calcining step is heat-treated at 700 to 800 ° C. for 1.5 to 3 hours. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920020684A 1992-11-05 1992-11-05 Elevating method of utility value of kaoline using waste fluoric acid KR960002620B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920020684A KR960002620B1 (en) 1992-11-05 1992-11-05 Elevating method of utility value of kaoline using waste fluoric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920020684A KR960002620B1 (en) 1992-11-05 1992-11-05 Elevating method of utility value of kaoline using waste fluoric acid

Publications (2)

Publication Number Publication Date
KR940011354A true KR940011354A (en) 1994-06-21
KR960002620B1 KR960002620B1 (en) 1996-02-24

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KR1019920020684A KR960002620B1 (en) 1992-11-05 1992-11-05 Elevating method of utility value of kaoline using waste fluoric acid

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KR (1) KR960002620B1 (en)

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Publication number Publication date
KR960002620B1 (en) 1996-02-24

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