Ultra-efficient low-pressure gas source micro-interface enhanced biological fermentation device and method

A bio-fermentation, ultra-efficient technology, applied in enzymology/microbiology devices, biochemical cleaning devices, biochemical equipment and methods, etc., can solve the problem of low utilization rate of fermentation raw materials, large area of ​​fermentation tanks, and waste of land resources. and other problems, to achieve the effect of increasing the mass transfer area of ​​the phase boundary, reducing the floor space and saving resources.

Pending Publication Date: 2021-10-19
NANJING YANCHANG REACTION TECH RES INST CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In the existing technology center, a large amount of resources are consumed in the process of producing ethanol, and the utilization rate of fermentation raw materials is low, resulting in waste of fermentation raw materials, and the fermentation tank occupies a large area, wasting land resources

Method used

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  • Ultra-efficient low-pressure gas source micro-interface enhanced biological fermentation device and method

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Experimental program
Comparison scheme
Effect test

Embodiment

[0051] refer to figure 1 As shown, it is a schematic structural diagram of an ultra-high-efficiency low-pressure air source micro-interface enhanced bio-fermentation device provided by the embodiment of the present invention. It includes a fermenter 10, a compound micro-interface generator 20, the compound micro-interface generator 20 is arranged on the top of the fermenter 10, the compound micro-interface generator 20 includes a hydraulic micro-interface generator 201 and a pneumatic micro-interface generator 202, the liquid The dynamic micro-interface generator 201 is arranged outside the top of the fermenter 10, the pneumatic micro-interface generator 202 is arranged on the inside of the top of the fermenter 10, the pneumatic micro-interface generator 202 and the liquid-dynamic micro-interface generator 201 are connected through a communication pipe 203, And the hydraulic micro-interface generator 201 is directly above the pneumatic micro-interface generator 202 . The reas...

Embodiment 1

[0062] The reaction materials and process of embodiment 1, comparative example 1 and comparative example 2 are all identical, at first the fermentation raw material that chooses is stalk 10kg, dries, cuts and pulverizes, soaks 24h with 100ml0.01mol / L sulfuric acid solution, temperature is At 40°C, add calcium carbonate to adjust the pH to 5.2.

[0063] During the fermentation process, Clostridium was selected for fermentation, and Clostridium was added to the biofilm on the sieve plate for fermentation. At this time, the temperature was adjusted to a fermentation temperature of 38°C, the pH value was adjusted to 6.2, and the live bacteria of Clostridium were The number is 0.4×10 9 CFU / g. At this time, it is suitable for the fermentation of clostridia, and it is fermented for 2 days.

[0064] The ethanol that embodiment 1 and comparative example 1, comparative example 2 generate are compared, obtain following data:

[0065] The amount of ethanol produced kg ...

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Abstract

The invention provides an ultra-efficient low-pressure gas source micro-interface enhanced biological fermentation device. The device comprises a fermentation tank, the top of the fermentation tank is provided with a composite micro-interface generator, the composite micro-interface generator comprises a pneumatic micro-interface generator and a hydraulic micro-interface generator, and the pneumatic micro-interface generator is connected with the hydraulic micro-interface generator through a connecting channel; and the composite micro-interface generator is connected with a CO inlet pipeline for crushing and dispersing CO into CO microbubbles. The composite micro-interface generator is arranged at the top in the fermentation tank, CO is crushed and dispersed into micron-sized bubbles, the phase boundary mass transfer area between CO and fermentation raw materials is increased, CO is more easily absorbed by the fermentation raw materials, the utilization rate of the fermentation raw materials and CO is increased in the production process, resources are saved, meanwhile, the occupied area is reduced, and land resources are saved.

Description

technical field [0001] The invention belongs to the technical field of ethanol preparation, and in particular relates to an ultra-high-efficiency low-pressure air source micro-interface enhanced biological fermentation device and method. Background technique [0002] Ethanol is the fermentation industrial product with the longest production history and the largest output in the world. The industrialization of ethanol production began at the end of the 19th century and has a history of more than 100 years. It is widely used in food, chemical, pharmaceutical, dye, national defense and other industries, and it is also a very important clean resource - ethanol. Ethanol refers to anhydrous ethanol with a volume fraction above 99.5%. It can be blended with gasoline in a certain proportion to achieve blended ethanol gasoline with different octane numbers. The composition of the oxygen agent, the E10 gasoline popularized and used in my country is a blend of 10% ethanol and 90% gaso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/00C12M1/04C12P7/06
CPCC12M21/12C12M29/08C12P7/06Y02E50/10
Inventor 张志炳孟为民周政王宝荣杨高东罗华勋张锋李磊杨国强田洪舟曹宇
Owner NANJING YANCHANG REACTION TECH RES INST CO LTD
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