KR960004212A - Method of manufacturing cerium oxide (C O2) - Google Patents

Method of manufacturing cerium oxide (C O2) Download PDF

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Publication number
KR960004212A
KR960004212A KR1019940016481A KR19940016481A KR960004212A KR 960004212 A KR960004212 A KR 960004212A KR 1019940016481 A KR1019940016481 A KR 1019940016481A KR 19940016481 A KR19940016481 A KR 19940016481A KR 960004212 A KR960004212 A KR 960004212A
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KR
South Korea
Prior art keywords
cerium oxide
ceo
producing
carbonate
cerium
Prior art date
Application number
KR1019940016481A
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Korean (ko)
Inventor
황해원
노재호
박상호
우상모
Original Assignee
이정성
주식회사 엘지금속
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Publication date
Application filed by 이정성, 주식회사 엘지금속 filed Critical 이정성
Priority to KR1019940016481A priority Critical patent/KR960004212A/en
Publication of KR960004212A publication Critical patent/KR960004212A/en

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  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

본 발명은 간단한 제조 공정을 통해 고온에서도 높은 비표면적을 갖는 산화세륨(Ceo2)의 제조방법에 관한 것으로, 3가 또는 4가를 단독 또는 혼합한 세륨염의 수용액에 탄산염기(탄산암모늄, 탄산칼륨, 탄산나트륨)를 가해 얻어진 침전 슬러리를 고액분리하여 소성하거나, 상기 침전슬러리를 고온고압 처리후 소성처리 하는 실사용의 고온에서도 비표면적이 높은 산화세륨의 제조에 관한 기술임.The present invention relates to a method for producing cerium oxide (Ceo 2 ) having a high specific surface area even at a high temperature through a simple manufacturing process, carbonate group (ammonium carbonate, potassium carbonate, The present invention relates to the production of cerium oxide having a high specific surface area even at a high temperature in actual use in which the precipitate slurry obtained by adding sodium carbonate) is subjected to solid-liquid separation or firing, or the precipitate slurry is calcined after high temperature and high pressure treatment.

Description

산화세륨(Ceo2)의 제조방법Method of manufacturing cerium oxide (Ceo2)

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

Claims (7)

세륨염의 수용액에 탄산염기를 가하여 얻어진 침전슬러리를 고액분리하여 소성처리 하거나, 상기 침전 슬러리를 고온 고압 반응처리후 소성처리함을 특징으로 하는 산화세륨(Ceo2)의 제조방법.A method of producing cerium oxide (Ceo 2 ) characterized in that the precipitated slurry obtained by adding a carbonate group to an aqueous solution of cerium salt is subjected to solid-liquid separation or calcined, or the precipitated slurry is calcined after a high-temperature, high-pressure reaction treatment. 제1항에 있어서, 세륨염이 3가 또는 4가 중 단독 또는 혼합한 세륨염임을 특징으로 하는 산화세륨(Ceo2)의 제조방법.The method for producing cerium oxide (Ceo 2 ) according to claim 1, wherein the cerium salt is a trivalent or tetravalent single or mixed cerium salt. 제1항 또는 제2항에 있어서, 세륨염이 질산염, 황산염, 염화염 중 선택한 수용성 세륨염임을 특징으로 하는 산화세륨(Ceo2)의 제조방법.The method for producing cerium oxide (Ceo 2 ) according to claim 1 or 2, wherein the cerium salt is a water-soluble cerium salt selected from nitrates, sulfates, and chloride salts. 제1항에 있어서, 탄산염기는 탄산암모늄, 탄산칼륨(K2CO3), 탄산나트륨(Na2CO3)중 선택한 것임을 특징으로 하는 산화세륨(Ceo2)의 제조방법.The method of claim 1, wherein carbonate groups are process for producing a cerium oxide (Ceo 2), characterized in that the selected of ammonium carbonate, potassium carbonate (K 2 CO 3), sodium carbonate (Na 2 CO 3). 제1항에 있어서, 고온고압반응은 110-300℃온도에서 1-5시간 처리함을 특징으로 하는 산화세륨(Ceo2)의 제조방법.The method of claim 1, wherein the high-temperature high-pressure reaction method of producing a cerium oxide (Ceo 2), characterized in that the 1-5-time processing in 110-300 ℃ temperature. 제5항에 있어서, 고온고압반응의 처리압력은 200-600 psi임을 특징으로 하는 산화세륨(Ceo2)의 제조방법.The method of claim 5, wherein the process pressure of the high-temperature high-pressure reaction method of producing a cerium oxide (Ceo 2), characterized in that 200-600 psi. 제1항에 있어서, 소성처리는 300-800℃에서 1-8시간 처리함을 특징으로 하는 산화세륨(Ceo2)의 제조방법.The method for preparing cerium oxide (Ceo 2 ) according to claim 1, wherein the firing is performed at 300-800 ° C. for 1-8 hours. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940016481A 1994-07-08 1994-07-08 Method of manufacturing cerium oxide (C O2) KR960004212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940016481A KR960004212A (en) 1994-07-08 1994-07-08 Method of manufacturing cerium oxide (C O2)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940016481A KR960004212A (en) 1994-07-08 1994-07-08 Method of manufacturing cerium oxide (C O2)

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KR960004212A true KR960004212A (en) 1996-02-23

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KR1019940016481A KR960004212A (en) 1994-07-08 1994-07-08 Method of manufacturing cerium oxide (C O2)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100417529B1 (en) * 2001-04-09 2004-02-05 (주)케이.씨.텍 Synthesis of nano size Cerium Oxide by Glycothermal Processing
KR100421536B1 (en) * 2001-06-09 2004-03-09 정인 Separation method of cerium oxide from wasted iron oxide catalysts
KR100477939B1 (en) * 2002-04-15 2005-03-18 주식회사 엘지화학 Mehtod for preparing single craystalline cerium oxide powders
KR100682233B1 (en) * 2004-07-29 2007-02-12 주식회사 엘지화학 Cerium Oxide Powder and Process for Producing the Same
KR100815050B1 (en) * 2005-06-22 2008-03-18 주식회사 엘지화학 Method for preparing cerium oxide nano powder
KR20210129290A (en) 2020-04-17 2021-10-28 인천대학교 산학협력단 Ceria nanocomposite comprising Cellulose-Coated Nanoceria and manufacturing method of thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100417529B1 (en) * 2001-04-09 2004-02-05 (주)케이.씨.텍 Synthesis of nano size Cerium Oxide by Glycothermal Processing
KR100421536B1 (en) * 2001-06-09 2004-03-09 정인 Separation method of cerium oxide from wasted iron oxide catalysts
KR100477939B1 (en) * 2002-04-15 2005-03-18 주식회사 엘지화학 Mehtod for preparing single craystalline cerium oxide powders
KR100682233B1 (en) * 2004-07-29 2007-02-12 주식회사 엘지화학 Cerium Oxide Powder and Process for Producing the Same
KR100815050B1 (en) * 2005-06-22 2008-03-18 주식회사 엘지화학 Method for preparing cerium oxide nano powder
KR20210129290A (en) 2020-04-17 2021-10-28 인천대학교 산학협력단 Ceria nanocomposite comprising Cellulose-Coated Nanoceria and manufacturing method of thereof

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