[특허]Silver catalyst for production of ethylene oxide and method for production of the catalyst

[미국특허] Silver catalyst for production of ethylene oxide and method for production of the catalyst 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B09J-021/04 B09J-021/08 B09J-021/12 B09J-023/50
출원번호	US-0025157 (1993-02-25)
우선권정보	JP-0041303 (1992-02-27); JP-0330547 (1992-12-10)
발명자 / 주소	Nagase Shinichi (Tokyo JPX) Tanabe Hirohiko (Yokohama JPX) Imai Hideki (Hyogo JPX)
출원인 / 주소	Nippon Shokubai Co., Ltd. (Osaka JPX 03)
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

A catalyst for the production of ethylene oxide is disclosed which comprises an a-4 to 2×10-1 g/g of carrier and an Si/Al ratio in the range of from 0.05 to 50.0 g/g, 5 to 25% by weight based on perfected catalyst of minute metallic silver particles, and 0.0001 to 0.05 gram equivalent weight per kg of perfected catalyst of cesium. The catalyst, when used for the production of ethylene oxide by the catalytic vapor-phase oxidation of ethylene with molecular oxygen, possesses high selectivity, high activity, and high durability to ensure a long service life.

대표청구항 ▼

A silver catalyst for the production of ethylene oxide, comprising an a3×10-4 to 2×10-1 g/g of carrier and an Si/Al ratio in the range of from 0.05 to 50.0 g/g and 5 to 25% by weight based on finished catalyst of fine metallic silver particles and 0.0001 to 0.05 gram equivalent weight per kg of finished catalyst of cesium, said silver and said cesium being deposited on said a20 to 200 ma0.11 to 10 m0.1 to 10 m2/g, mixing the alumina powder with alumina and silica which are in a colloidal state, molding the resultant mixture in a prescribed shape, drying the molded article and calcining it at a temperature in the range of from 1,000°to 1,600°C. thereby preparing an a3×10-4 to 2×10-1 g/g of carrier and an Si/Al ratio in the amorphous mixture in said range of from 0.05 to 50.0 g/g, depositing 5 to 25% by weight based on finished catalyst of fine metallic silver particles and 0.0001 to 0.05 gram equivalent weight per kg of finished catalyst of cesium on said a400°to 950°C.

이 특허를 인용한 특허 (27) 인용/피인용 타임라인 분석

Pak, Serguei, Calcination process for producing an improved ethylene oxide catalyst.
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Shima Masahide,JPX ; Takada Hitoshi,JPX, Carrier for catalyst for use in production of ethylene oxide, catalyst for use in production of ethylene oxide, and method for production of ethylene oxide.
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Shima, Masahide; Takada, Hitoshi, Carrier for catalyst for use in production of ethylene oxide, catalyst for use in production of ethylene oxide, and method for production of ethylene oxide.
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Pak, Serguei; Rokicki, Andrzej; Kawabata, Shuji; Ohashi, Takayuki, Carrier for ethylene oxide catalysts.
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Gerdes, William H.; Szymanski, Thomas; Remus, Donald J.; Lockemeyer, John R.; Yeates, Randall Clayton, Catalyst carrier and a process for preparing the catalyst carrier.
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Szymanski, Thomas; Remus, Donald J.; Lockemeyer, John R.; Yeates, Randall Clayton; Gerdes, William H., Catalyst carriers.
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Shima, Masahide; Sugio, Masafumi; Kawabata, Tatsuya, Catalyst for partial oxidation of olefin, preparation method thereof, and process for preparing alkylene oxide.
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Shima, Masahide; Takada, Hitoshi, Catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide by the use of the catalyst.
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Shima, Masahide; Takada, Hitoshi, Ceramic article, carrier for catalyst, methods for production thereof, catalyst for producing ethylene oxide using the carrier, and method for producing ethylene oxide.
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Kowaleski Ruth Mary, Ethylene oxide catalyst and process.
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Tanimoto, Michio; Hashiba, Hideto, Fixed-bed shell-and-tube reactor and its usage.
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Lockemeyer, John Robert; Yeates, Randall Clayton; Reinalda, Donald, Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin.
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Lockemeyer,John Robert; Yeates,Randall Clayton; Reinalda,Donald, Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin.
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Evans,Wayne Errol; Lockemeyer,John Robert; Rekers,Dominicus Maria; Te Raa,Arend Jan; Wermink,Thijs, Method for the start-up of an epoxidation process and a process for the epoxidation of an olefin.
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Chipman,Peter Ingraham; Madgavkar,Ajay Madhav; Shipp,Gregg Barton, Method of improving the operation of an existing ethylene oxide manufacturing process and system.
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Pak, Serguei; Rokicki, Andrzej; Kawabata, Shuji, Mullite-containing carrier for ethylene oxide catalysts.
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Pak, Serguei; Rokicki, Andrzej; Kawabata, Shuji, Mullite-containing carrier for ethylene oxide catalysts.
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Gerdes, William Herman; Lockemeyer, John Robert; Remus, Donald James; Szymanski, Thomas; Yeates, Randall Clayton, Process for the production of a 1,2-diol, a 1,2-diol ether, or an alkanolamine.
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Evans,Wayne Errol; Matusz,Marek, Process for the production of an olefin oxide.
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Gerdes, William Herman; Lockemeyer, John Robert; Remus, Donald James; Szymanski, Thomas; Yeates, Randall Clayton, Process for the production of an olefin oxide.
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Matusz, Marek, Process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine.
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Matusz, Marek; McAllister, Paul Michael, Process for the start-up of an epoxidation process, a process for the production of ethylene oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine.
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Shima Masahide,JPX ; Takada Hitoshi,JPX, Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide.
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Shima Masahide,JPX ; Takada Hitoshi,JPX, Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide.
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Takada Hitoshi,JPX ; Shima Masahide,JPX, Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide.
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Kaneda, Kiyotomi; Takagi, Yukio, Silver-cerium oxide composite catalyst supported on an alkaline carrier and method for producing the same.
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Roberts Brian Dale ; Monnier John Robert ; Hitch David Martin, Supported catalysts and catalyst support materials and process for the manufacture of 1,2-epoxybutane.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
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[미국특허] Silver catalyst for production of ethylene oxide and method for production of the catalyst 원문보기

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[미국특허] Silver catalyst for production of ethylene oxide and method for production of the catalyst 원문보기

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이 특허를 인용한 특허 (27) 인용/피인용 타임라인 분석

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