KR940014157A - Method for producing zirconia from zircon sand using thermal plasma - Google Patents

Method for producing zirconia from zircon sand using thermal plasma Download PDF

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Publication number
KR940014157A
KR940014157A KR1019920025729A KR920025729A KR940014157A KR 940014157 A KR940014157 A KR 940014157A KR 1019920025729 A KR1019920025729 A KR 1019920025729A KR 920025729 A KR920025729 A KR 920025729A KR 940014157 A KR940014157 A KR 940014157A
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KR
South Korea
Prior art keywords
zircon sand
producing zirconia
plasma
zircon
sand
Prior art date
Application number
KR1019920025729A
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Korean (ko)
Inventor
서인국
신형기
Original Assignee
박득표
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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Application filed by 박득표, 포항종합제철 주식회사, 백덕현, 재단법인산업과학기술연구소 filed Critical 박득표
Priority to KR1019920025729A priority Critical patent/KR940014157A/en
Publication of KR940014157A publication Critical patent/KR940014157A/en

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Abstract

본 발명은 지르콘(ZrSiO4) 샌드로부터 지르코니아(ZrO2)를 제조하는 방법에 관한 것으로서, 종래방법보다 제조공정이 간단하고 경제적이며, 환경오염물질이 발생하지 않는 열프라즈마를 이용한 지르코니아의 제조방법을 제공하는데, 그 목적이 있다.The present invention relates to a method for producing zirconia (ZrO 2 ) from zircon (ZrSiO 4 ) sand, the manufacturing process is simpler and more economical than the conventional method, and a method for producing zirconia using heat plasma that does not generate environmental pollutants To provide, the purpose is.

본 발명은 탄소/지르콘샌드의 몰비가 1.0이상이 되도록 지르콘샌드에 탄소를 첨가하여 혼합하는 단계 ; 상기와 같이 혼합된 혼합물을 단광으로 제조하는 단계 ; 상기 단광을 고온의 열프라즈마에 의해 가열용융한 후 냉각하고 이때 생성된 고체 생성물을 회수, 분쇄하는 단계를 포함하여 지르콘샌드로부터 지르코니아를 제조하는 방법을 그 요지로 한다.The present invention comprises the steps of mixing by adding carbon to the zircon sand so that the molar ratio of carbon / zircon sand is 1.0 or more; Preparing the mixed mixture as briquettes as described above; The subject matter is a method for producing zirconia from zircon sand, including the step of melting the briquettes by hot melting plasma and then cooling and recovering and pulverizing the resulting solid product.

Description

열프라즈마를 이용한 지르콘 샌드로부터 지르코니아의 제조방법Method for producing zirconia from zircon sand using thermal plasma

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

제 4 도는 본 발명의 제조방법에 따라 제조된 지르코니아의 X-선 회절도,4 is an X-ray diffraction diagram of zirconia prepared according to the manufacturing method of the present invention,

제 5 도는 본 발명의 제조방법에 따라 제조된 지르코니아중의 불순물 함량과 지르코니아의 순도를 나타내는 것으로서 (가)는 지르코니아 중의 잔류 탄소(C)의 함량, (나)는 혼입된 동(Cu)의 함량, (다)는 잔류 실리콘(Si)의 함량과 이들로부터 계산된 지르코니아의 순도.Figure 5 shows the impurity content and zirconia purity in the zirconia prepared according to the manufacturing method of the present invention (a) is the content of residual carbon (C) in zirconia, (b) is the content of copper (Cu) incorporated , (C) is the content of residual silicon (Si) and the purity of zirconia calculated from them.

Claims (4)

탄소/지르콘샌드의 몰비가 1.0이상이 되도록 지르콘샌드에 탄소를 참가하여 혼합하는 단계; 상기와 같이 혼합된 혼합물을 단광으로 제조하는 단계; 상기 단광을 고온의 열프라즈마에 의해 가열용융한후 냉각하고 이때 생성된 고체 생성물을 회수, 분쇄하는 단계를 포함하여 구성됨을 특징으로 하는 열프라즈마를 이용한 지르콘샌드로부터 지르코니아의 제조방법.Joining and mixing carbon in the zircon sand so that the molar ratio of carbon / zircon sand is 1.0 or more; Preparing the mixed mixture as briquettes as described above; The method of producing zirconia from zircon sand using a thermal plasma, characterized in that it comprises the step of melting the briquettes by heating and heating the high temperature plasma, and recovering and pulverizing the solid product produced. 제 1 항에 있어서, 열프라즈마에 의한 가열시간이 2-8분인 것을 특징으로 하는 열프라즈마를 이용한 지르콘샌드로부터 지르코니아의 제조방법.The method for producing zirconia from zircon sand using heat plasma according to claim 1, wherein the heating time by heat plasma is 2-8 minutes. 제 2 항에 있어서, 열프라즈마에 의한 가열시간이 3-5분인 것을 특징으로 하는 열프라즈마를 이용한 지르콘샌드로부터 지르코니아의 제조방법.The method for producing zirconia from zircon sand using heat plasma according to claim 2, wherein the heating time by heat plasma is 3-5 minutes. 제 1 항에서 제 3 항중의 어느 한 항에 있어서, 탄소/지르콘샌드의 몰비가 1.0-3.0인 것을 특징으로 하는 열프라즈마를 이용한 지르콘샌드로 부터 지르코니아의 제조방법.The method for producing zirconia from zircon sand using thermal plasma according to any one of claims 1 to 3, wherein the molar ratio of carbon / zircon sand is 1.0-3.0. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920025729A 1992-12-28 1992-12-28 Method for producing zirconia from zircon sand using thermal plasma KR940014157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920025729A KR940014157A (en) 1992-12-28 1992-12-28 Method for producing zirconia from zircon sand using thermal plasma

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920025729A KR940014157A (en) 1992-12-28 1992-12-28 Method for producing zirconia from zircon sand using thermal plasma

Publications (1)

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KR940014157A true KR940014157A (en) 1994-07-16

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KR1019920025729A KR940014157A (en) 1992-12-28 1992-12-28 Method for producing zirconia from zircon sand using thermal plasma

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KR (1) KR940014157A (en)

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