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Simulation reaction method for producing denatured rice starch with high degree of substitution by using wet-process

A technology of modified rice starch and high degree of substitution is applied in the field of wet production of modified rice starch with high degree of substitution, which can solve the problems of large amount of addition, high cost, low cost, etc., so as to improve the degree of substitution, reduce production costs, and reduce product cost effect

Inactive Publication Date: 2009-08-19
曹镜明
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Problems solved by technology

[0002] Generally, organic solvents are used as the medium for the production of modified starch with a high degree of substitution, and the product is easy to smell and the cost is high.
The traditional process of producing modified starch with water as the medium is unstable due to the pH value control, the product substitution degree is low, and the cost is also low, but the addition amount is large when the product is applied

Method used

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  • Simulation reaction method for producing denatured rice starch with high degree of substitution by using wet-process

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Embodiment Construction

[0018] A simulated reaction method for wet production of highly substituted modified rice starch, using a simulated reactor for simulated reaction, the simulated reactor consists of a 50-liter small reactor, and a small temperature automatic heat exchange system matched with the small reactor , a small PH value control system, a mixer with a small reactor and a computer. Concrete composition: including a 50 liter small reaction kettle 1, small temperature automatic heat exchange system (including heat exchanger 2, hot water tank 3, slurry circulation pump 4, regulating valve 5, etc.), small PH value control system (including reagent Storage tank 6, lye storage tank 7, acid storage tank 8, reagent pump 9, lye pump 10, acid pump 11, flow meters 12, 13, 14, etc.), a mixer 15 and a small reaction kettle 1 supporting connected, the computer data processing control system 16 accepts temperature, reaction time, reaction reagent and pH value feedback information, and sends control ins...

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Abstract

The invention discloses a simulated reaction method for producing modified rice starch with high degree of substitution by a wet method. The method comprises the following procedures: taking rice starch as a raw material, preparing the starch into starch milk and respectively adding the starch milk to a simulated reactor and a big reaction kettle proportionally; controlling the temperature and reaction time by the big reaction kettle according to instant feedback data of the simulated reactor, and adding a reaction reagent and pH regulating reagent according to feedback instructions. The method is characterized by instantly instructing the big reaction kettle to add according to the given adding amount and adding speed of the pH regulating reagent after computer processing of instant reaction parameters obtained by the simulated reactor, effectively controlling pH value of the reaction system so as to enhance the degree of substitution. The method has the advantages of reducing production cost, helping expand application of the modified rice starch to various fields, enhance grades of food, cosmetics, medicines and textile products, and reduce product cost.

Description

Technical field: [0001] The invention relates to a wet method for producing modified rice starch with high substitution degree. Background technique: [0002] Generally, organic solvents are used as the medium for the production of modified starch with a high degree of substitution, and the product is easy to smell and the cost is high. The traditional process of producing modified starch with water as the medium is unstable due to the unstable pH value control, low product substitution degree and low cost, but the addition amount is large when the product is applied. Invention content: [0003] The purpose of the present invention is to provide a kind of simulated reaction method that can accurately control the pH value of reaction system, increase the degree of substitution and produce modified rice starch with high degree of substitution. [0004] Technical solution of the present invention is: [0005] A simulated reaction method for producing denatured rice starch w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B31/00
Inventor 曹镜明
Owner 曹镜明
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