JP2001213665A5 - - Google Patents
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- JP2001213665A5 JP2001213665A5 JP2000269194A JP2000269194A JP2001213665A5 JP 2001213665 A5 JP2001213665 A5 JP 2001213665A5 JP 2000269194 A JP2000269194 A JP 2000269194A JP 2000269194 A JP2000269194 A JP 2000269194A JP 2001213665 A5 JP2001213665 A5 JP 2001213665A5
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- titanium
- silicon
- aluminum
- oxide
- producing
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【特許請求の範囲】
【請求項１】 アルミニウム、ケイ素およびチタンを含み、その合計量が酸化物（Ａｌ２Ｏ３＋ＳｉＯ２＋ＴｉＯ２）換算で少なくとも９９重量％であり、かつｐＫａ＋４．８指示薬のメチルレッドにより酸性色を呈するセラミックス体。
【請求項２】 アルミニウム化合物、ケイ素化合物およびチタン化合物を含む混合物を１，０００〜２，０００℃の温度で焼成することよりなるアルミニウム、ケイ素およびチタンを含み、その合計量が酸化物（Ａｌ ２ Ｏ ３ ＋ＳｉＯ ２ ＋ＴｉＯ ２ ）換算で少なくとも９９重量％であり、かつｐＫａ＋４．８指示薬のメチルレッドにより酸性色を呈するセラミックス体の製造方法。
【請求項３】 アルミニウム、ケイ素およびチタンを含み、その合計量が酸化物（Ａｌ ２ Ｏ ３ ＋ＳｉＯ ２ ＋ＴｉＯ ２ ）換算で少なくとも９９重量％であり、かつｐＫａ＋４．８指示薬のメチルレッドにより酸性色を呈するセラミックス体の成形物よりなる触媒用担体。
【請求項４】 アルミニウム化合物、ケイ素化合物およびチタン化合物を含む混合物を成形し、ついで該成形物を１，０００〜２，０００℃の温度で焼成することよりなるアルミニウム、ケイ素およびチタンを含み、その合計量が酸化物（Ａｌ ２ Ｏ ３ ＋ＳｉＯ ２ ＋ＴｉＯ ２ ）換算で少なくとも９９重量％であり、かつｐＫａ＋４．８指示薬のメチルレッドにより酸性色を呈する触媒用担体の製造方法。
【請求項５】 請求項３に記載の担体に、銀成分と、アルカリ金属およびアルカリ土類金属よりなる群から選ばれた少なくとも１種の元素とを担持してなる酸化エチレン製造用触媒。
【請求項６】 請求項３に記載の担体に、銀成分および反応促進剤成分を担持したのち、酸化性雰囲気中で１５０〜４５０℃で０．１〜１０時間焼成し、ついで不活性ガス雰囲気中で４５０〜８００℃で０．１〜１０時間焼成してなる酸化エチレン製造用触媒の製造方法。
【請求項７】 請求項５に記載の触媒の存在下にエチレンを分子状酸素含有ガスにより気相酸化することよりなる酸化エチレンの製造方法。
[Claims]
1. The method according to claim 1, comprising aluminum, silicon and titanium, the total amount of which is oxide (Al2O3+ SiO2+ TiO2A) a ceramic body which is at least 99% by weight in conversion and exhibits an acidic color due to pKa + 4.8 indicator methyl red;
(2) A mixture containing an aluminum compound, a silicon compound and a titanium compound is calcined at a temperature of 1,000 to 2,000 ° C. to contain aluminum, silicon and titanium, and the total amount of the oxide (Al 2 O 3 + SiO 2 + TiO 2 )) A method for producing a ceramic body which is at least 99% by weight in conversion and exhibits an acidic color with pKa + 4.8 indicator methyl red.
(3) Aluminum, silicon and titanium, the total amount of which is oxide (Al 2 O 3 + SiO 2 + TiO 2 A) a catalyst carrier comprising at least 99% by weight in terms of conversion and having a pKa + 4.8 indicator methyl red and exhibiting an acidic color with a ceramic body;
(4) Forming a mixture containing an aluminum compound, a silicon compound and a titanium compound, and then baking the formed product at a temperature of 1,000 to 2,000 ° C., containing aluminum, silicon and titanium, the total amount of which is oxide (Al 2 O 3 + SiO 2 + TiO 2 A) a method for producing a catalyst carrier which is at least 99% by weight in conversion and exhibits an acidic color with pKa + 4.8 indicator methyl red;
(5) A catalyst for producing ethylene oxide, wherein the carrier according to claim 3 supports a silver component and at least one element selected from the group consisting of alkali metals and alkaline earth metals.
6. 4. The support according to claim 3, wherein the silver component and the reaction accelerator component are supported, and then calcined in an oxidizing atmosphere at 150 to 450 ° C. for 0.1 to 10 hours, and then in an inert gas atmosphere at 450 to 800. A method for producing a catalyst for producing ethylene oxide, which is calcined at 0.1 ° C for 0.1 to 10 hours.
7. A process for producing ethylene oxide, comprising subjecting ethylene to gas-phase oxidation with a molecular oxygen-containing gas in the presence of the catalyst according to claim 5..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000269194A JP4588183B2 (en) | 1999-09-06 | 2000-09-05 | Ceramic body, catalyst carrier, production method thereof, ethylene oxide production catalyst using the carrier, production method thereof, and ethylene oxide production method |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25188399 | 1999-09-06 | ||
| JP11-251883 | 1999-11-24 | ||
| JP11-332588 | 1999-11-24 | ||
| JP33258899 | 1999-11-24 | ||
| JP2000269194A JP4588183B2 (en) | 1999-09-06 | 2000-09-05 | Ceramic body, catalyst carrier, production method thereof, ethylene oxide production catalyst using the carrier, production method thereof, and ethylene oxide production method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001213665A JP2001213665A (en) | 2001-08-07 |
| JP2001213665A5 true JP2001213665A5 (en) | 2007-05-17 |
| JP4588183B2 JP4588183B2 (en) | 2010-11-24 |
Family
ID=27334071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000269194A Expired - Fee Related JP4588183B2 (en) | 1999-09-06 | 2000-09-05 | Ceramic body, catalyst carrier, production method thereof, ethylene oxide production catalyst using the carrier, production method thereof, and ethylene oxide production method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4588183B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4539289B2 (en) * | 2004-10-29 | 2010-09-08 | 住友化学株式会社 | Method for producing aluminum oxide-titanium oxide mixed molded body |
| KR100631931B1 (en) | 2004-12-22 | 2006-10-04 | 윤현진 | Photocatalyst can confirm whether it is spread or not |
| KR101072239B1 (en) | 2005-06-07 | 2011-10-12 | 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 | A catalyst carrier |
| JP5258485B2 (en) * | 2008-09-30 | 2013-08-07 | 株式会社日本触媒 | Catalyst for producing ethylene oxide and method for producing ethylene oxide using the catalyst |
| KR102551215B1 (en) * | 2016-01-27 | 2023-07-03 | 삼성전기주식회사 | Ceramic Composition, Electrostatic Chuck, and Manufacturing Method of Electrostatic Chuck |
| JP2022070506A (en) * | 2020-10-27 | 2022-05-13 | 住友化学株式会社 | Particle composition and formed body |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483944A (en) * | 1983-07-27 | 1984-11-20 | Corning Glass Works | Aluminum titanate-mullite ceramic articles |
| JPH075361B2 (en) * | 1990-04-21 | 1995-01-25 | 日本碍子株式会社 | Aluminum titanate-mullite ceramic body |
| EP0463437B2 (en) * | 1990-06-22 | 1998-12-02 | Bayer Ag | Sintered bodies based on aluminium titanate, process for their production and use thereof |
| JP3313164B2 (en) * | 1992-02-27 | 2002-08-12 | 株式会社日本触媒 | Silver catalyst for producing ethylene oxide and method for producing the same |
| JPH0987009A (en) * | 1995-09-29 | 1997-03-31 | Kyocera Corp | Alumina-mullite combined sintered compact and its production |
| US5733840A (en) * | 1996-06-06 | 1998-03-31 | Norton Chemical Process Products Corporation | Catalyst carrier |
| JP3664201B2 (en) * | 1996-12-19 | 2005-06-22 | トヨタ自動車株式会社 | Exhaust gas purification catalyst |
| JP4001429B2 (en) * | 1998-02-20 | 2007-10-31 | 株式会社日本触媒 | Silver catalyst for producing ethylene oxide, method for producing the same, and method for producing ethylene oxide |
-
2000
- 2000-09-05 JP JP2000269194A patent/JP4588183B2/en not_active Expired - Fee Related
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