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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0856966 (1977-12-02) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 287 인용 특허 : 1 |
Synthesis gas comprising a mixture of carbon monoxide and hydrogen is derived from fossil fuels and catalytically converted in a first reaction zone to a mixture of methanol and dimethyl ether which in turn is converted in a separate reaction zone in contact with a crystalline aluminosilicate zeolit
Synthesis gas comprising a mixture of carbon monoxide and hydrogen is derived from fossil fuels and catalytically converted in a first reaction zone to a mixture of methanol and dimethyl ether which in turn is converted in a separate reaction zone in contact with a crystalline aluminosilicate zeolite catalyst having a silica to alumina ratio of at least about 12 and a constraint index of about 1 to 12, and preferably a crystal density in the hydrogen form of not substantially below about 1.6 grams per cubic centimeter to a product which is resolved into a high octane gasoline fraction, a light hydrocarbon gas fraction which may be liquefied and a hydrogen-rich gaseous by-product which is recycled to the conversion of fossil fuels to synthesis gas or may be otherwise used.
In the process for manufacture of liquid hydrocarbon fuels boiling in the gasoline boiling range which comprises converting the oil from tar sands in a firsT reaction to a gaseous mixture in contact with a methanolsynthesis catalyst in a first reaction of hydrogen and carbon oxides and converting sa
In the process for manufacture of liquid hydrocarbon fuels boiling in the gasoline boiling range which comprises converting the oil from tar sands in a firsT reaction to a gaseous mixture in contact with a methanolsynthesis catalyst in a first reaction of hydrogen and carbon oxides and converting said gaseous mixture to normally liquid hydrocarbons and oxygen-substituted hydrocarbons comprising methanol; the improvement comprising the additional step of contacting at least said oxygen-substituted hydrocarbons including said methanol with a catalytically active aluminosilicate zeolite having a silica to alumina ratio of at least about 12, a constraint index of about 1 to 12 and a crystal density, in the hydrogen form, of not substantially below about 1.6 grams per cubic centimeter at a temperature of about 500°F. to 1000°F., a space velocity of about 0.1 to 50 liquid hourly space velocity, and a pressure of about 1 to 50 atmospheres; and, recovering liquid hydrocarbons.
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