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Device for producing long carbon chain diacid by biological fermentation process

A long carbon chain dibasic acid and bio-fermentation technology, which is applied in biochemical cleaning devices, enzymology/microbiology devices, bioreactor/fermentation tank combinations, etc., can solve the limitations of application fields, low product grades, production High cost and other problems, to achieve the effect of improving yield and product quality, reducing production cost, and reducing energy consumption for stirring

Active Publication Date: 2012-09-12
CATHAY R&D CENT CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Moreover, the demand for long-chain dibasic acids is increasing year by year, which cannot meet the needs of the future market
[0005] At present, the domestic industrialization of producing long carbon chain dibasic acids by using alkanes as substrate fermentation method has been realized, but the production technology and equipment are backward, small scale, high energy consumption, high production cost, few varieties of products The grade is low, and only C11 to C14 dibasic acids can be produced, and the serial production of long-chain dibasic acids has not been formed, which limits the application fields of downstream products of long-chain dibasic acids and cannot satisfy the market need

Method used

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  • Device for producing long carbon chain diacid by biological fermentation process
  • Device for producing long carbon chain diacid by biological fermentation process
  • Device for producing long carbon chain diacid by biological fermentation process

Examples

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Embodiment Construction

[0024] according to figure 1 As shown, the production device for producing long carbon chain dibasic acid by biological fermentation method, the production device includes a seed tank, a fermentation tank 3, a steam heater 4, a fermentation liquid storage tank 5, a pre-filter 6, a decolorization tank connected in sequence through pipelines Tank I 7, filter I 8, acidification tank 9, filter II 10 and flash dryer I11, with auger 19 between the filter II and flash dryer I11. The seed tank includes a primary seed tank 1 and a secondary seed tank 2 connected by pipelines, and the secondary seed tank 2 is connected with a fermenter 3 .

[0025] The present invention also includes a refining production device, which includes a decolorization tank II 12, a filter III 13, a primary crystallization tank 14, a centrifuge I 15, and a high-temperature water crystallization tank that are sequentially connected to the flash dryer I through pipelines 16. Centrifugal separator II 17 and flash...

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Abstract

The invention belongs to the technical field of producing long carbon chain diacid by adopting a biological fermentation process, and in particular relates to a device for producing the long carbon chain diacid by adopting the biological fermentation process. The device comprises a seed tank, a fermentation tank, a steam heater, a fermentation liquid storage tank, a prefilter, a decoloring tank I, a filter I, an acidizing tank, a filter II and a flash dryer I which are sequentially connected through a pipeline, wherein the filter II is connected with the flash dryer I through an auger. The invention has the characteristics of high acid production level, low production cost, good product quality, full variety and the like. The obtained long carbon chain diacid has the advantages of high monomer acid content, good transmittance and high thermal stability, and can meet requirements of different customers.

Description

technical field [0001] The invention belongs to the technical field of producing long-carbon-chain dibasic acids by biological fermentation, and in particular relates to a production device for producing long-carbon-chain dibasic acids by biological fermentation. Background technique [0002] Long chain dicarboxylic acids (Long chain dicarboxy acids) refer to aliphatic dicarboxylic acids (DC for short) containing more than 10 carbon atoms in the carbon chain. n ), including saturated and unsaturated dicarboxylic acids, is a class of fine chemical products with important and extensive industrial uses. , high-grade lubricants, high-grade paints and coatings and other important raw materials. [0003] The production methods of long carbon chain dibasic acids include chemical synthesis and biological fermentation. The production of long carbon chain dibasic acids by biological fermentation is the application of microbial fermentation technology in the field of petrochemical ind...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/00C12M1/08C12M1/02
CPCC12M47/12C12M21/12C12M23/08C12M47/14C12M29/06C12M43/00C12M47/20C12M27/02
Inventor 曹务波王志洲葛明华陈远童傅深展
Owner CATHAY R&D CENT CO LTD
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