Atomization bioreactor based on synthesis gas fermented ethanol or butanol

A bioreactor, a technology for fermenting ethanol, applied in gas production bioreactors, specific-purpose bioreactors/fermenters, liquid production bioreactors, etc., can solve the energy input requirements and labor requirements. Bacterial growth and ethanol or butanol production, low gas-liquid mass transfer efficiency, etc., to improve the gas-liquid-solid mass transfer rate, overcome the problems of atomized nutrient solution escape and bacterial contamination, and facilitate separation and recovery.

Active Publication Date: 2014-07-30
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0004] However, at present, the scale of anaerobic fermentation of syngas to produce ethanol or butanol is far from the real industrialization. There are three main reasons for this. The first is the low efficiency of gas-liquid mass transfer, which is due to the Mainly contain CO, CO 2 、H 2 , N 2 etc., the gas is a liquid slightly soluble gas; second, high-density fermentation production of bacteria has not been realized; third, the syngas component has an inhibitory effect on enzymes, and the research results show that CO in the syngas component has an inhibitory effect on hydrogenase The role is not conducive to the growth

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  • Atomization bioreactor based on synthesis gas fermented ethanol or butanol
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  • Atomization bioreactor based on synthesis gas fermented ethanol or butanol

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Embodiment Construction

[0021] Such as figure 1 , figure 2 and image 3 As shown, the present invention includes a transparent bacteria culture tank 1, a medium atomization reaction tank system, an automatic atomization control system, a syngas gas control system and a mash recovery pipeline system. The bacteria culture tank 1 is made of a transparent material, It is convenient for the experimenter to observe the fermentation situation. A sealing flange 4 is arranged on the top of the cell culture tank 1, and a fixing flange 3 is connected to the upper end of the sealing flange 4, and the sealing flange 4 seals the whole cell culture tank 1 through the fixing flange 3, and can be fixed Flange 3 opens thalli culture tank 1. Bracket 5 is provided on the inner wall of thalli culture tank 1, and a plurality of disk-type mesh culture layers 17 are set up on the bracket 5, and immobilized fermentation cells are uniformly distributed on the mesh culture layer 17, and the center of mesh culture layer 17...

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Abstract

The invention discloses an atomization bioreactor based on synthesis gas fermented ethanol or butanol. The atomization bioreactor comprises a transparent thallus cultivation tank, a culture medium atomization reaction tank system, an atomization automatic control system, a synthesis gas pneumatic control system and a mash recycling pipeline system. The atomization bioreactor is characterized in that an immobilized fermentation thallus is put on a mesh cultivation layer, then the mesh cultivation layer is put in the thallus cultivation tank, and the fermentation reaction is carried out in the thallus cultivation tank; meanwhile, a culture medium is sprayed to the thallus cultivation tank by using the culture medium atomization reaction tank system so as to provide a nutrient solution for the thallus, and then the atomization automatic control system is used for increasing automatic control, so that the nutrient solution is automatically sprayed as required, and the effect of saving both time and labor is achieved; the synthesis gas pneumatic control system is used for feeding synthesis gas into the thallus cultivation tank so as to supply a carbon source component and an energy source component which are required for anaerobic fermentation bacteria, and in addition, a liquid condensed after atomization is recycled through the mash recycling pipeline system, and the wasting of resources is reduced.

Description

technical field [0001] The invention relates to the technical field of energy production, in particular to an atomization bioreactor for fermenting ethanol or butanol based on syngas. Background technique [0002] Energy is an important material basis for the survival and development of modern society. Since the development of human society, energy has become the focus of international politics, economy, military affairs, and diplomacy. At present, energy and environmental issues are becoming more and more prominent, the world's industrialization is accelerating and the global population is growing rapidly, all of which have accelerated the use and consumption of energy. According to some experts' statistics, the consumption rate of oil and coal as the main energy in the last century has increased by 17 times. The exploitation and consumption of oil and coal have increased the degree of resource and energy scarcity. The world's population is expected to exceed 9 billion in ...

Claims

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Application Information

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IPC IPC(8): C12M1/00C12M1/36C12M1/34C12M1/107
CPCC12M21/12C12M25/00C12M29/06C12M41/22C12M41/48
Inventor 宋安东张炎达谢慧王风芹杨森任天宝
Owner HENAN AGRICULTURAL UNIVERSITY
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