Method for preparing methanol from methane by biological catalysis

A technology for biocatalyzing methane and methanol, which is applied in the direction of fermentation, can solve the problems of reducing activity and stability, destroying the physiological structure of cells, etc., and achieves the effect of low reaction cost
CN1580269AInactive Publication Date: 2005-02-16LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Publication Date
2005-02-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention publishes a kind of biology method to prepare methanol using methane catalysis. The method adopts the technology as follows. Fist, bacterial cells are oxidized by methane and the outcome is as catalyst. Second, add mixed gas of methane, carbon dioxide and oxygen to membrane reactor and start up reaction under the condition of 32-40deg.C and 0-1.2MPa. after the reaction the aqueous solution containing methanol can be gotten. The invention solves the problems that cytoactive will depress because of the consumption of NADH lead by chemical inhibitor. In this method, the reaction can continue to make sure that coenzymes NADH can rebirth in situ in the reaction system.
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Description

technical field

[0001] The present invention relates to a method for biocatalyzing methane to prepare methanol, more particularly, the present invention relates to a method for biocatalyzing methane to methanol by methane oxidizing bacteria. technical background

[0002] The selective oxidation of methane to methanol or other substances is one of the topics that arouses great interest among researchers. Methane can be used as an efficient fuel and chemical raw material and is abundant in reserves. If it can be used effectively, it can not only slow down today's energy crisis, but also reduce environmental pollution, which is in line with today's environmental protection theme. So far, there is no chemical catalyst that can directly oxidize methane to methanol in one step. These catalytic reactions not only require multi-step reactions, but also require a high temperature of 900 °C, which is not cost-effective in energy, and the reaction selectivity and conversion rate are v...

Claims

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