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Mechanical activation-metal salt reinforcement-combined starchy raw material saccharification method

A starchy raw material, mechanical activation technology, applied in the direction of biofuel, fermentation, etc., can solve the problems of long production cycle, high equipment requirements, complex process, etc., and achieve the effects of easy recovery, reduced energy consumption and low price

Inactive Publication Date: 2016-05-04
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a method for mechanically activating and synergistically degrading starchy raw materials with metal salts, which can overcome the shortcomings of existing starchy raw material cooking and liquefaction technologies, such as complicated process, high energy consumption, long production cycle and high requirements for production process equipment. At the same time, in the technical scheme of the present invention, the purpose of direct saccharification of starchy raw materials without liquefaction can be achieved after simple mechanical activation and metal salt treatment

Method used

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  • Mechanical activation-metal salt reinforcement-combined starchy raw material saccharification method

Examples

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Effect test

Embodiment 1

[0045] A method for mechanically activating and synergistically strengthening the saccharification of starchy raw materials with metal salts, the method comprising the steps of:

[0046] (1) Raw material processing includes: removing the mixed impurities in the starchy sweet potato raw material; then drying to a water content of less than 25%; pulverizing and passing through a 40-mesh sieve;

[0047] (2) mixing: the processed starchy raw material is uniformly mixed in a ratio of 100:0.5 to the starchy raw material and metal chloride salt AlCl by weight;

[0048] (3) Mechanical activation reaction: put the uniformly mixed raw materials into a mechanical activation reactor, and treat them at a mechanical activation temperature of 25°C for 180 minutes, then separate the pellets to obtain activated starchy raw materials;

[0049] (4) Slurry preparation: put activated raw materials into the slurry preparation tank, add water while stirring at 30°C, stir and dissolve to prepare star...

Embodiment 2

[0052] A method for mechanically activating and synergistically strengthening the saccharification of starchy raw materials with metal salts, the method comprising the steps of:

[0053] (1) Raw material processing includes: removing the impurities mixed in the potato starchy raw material; then drying to a moisture content of less than 25%; pulverizing and passing through a 45-mesh sieve;

[0054] (2) Mixing: the processed starchy raw material is uniformly mixed in a ratio of 100:0.8 by weight ratio of starchy raw material and metal chloride salt LiCl;

[0055] (3) Mechanical activation reaction: put the homogeneously mixed raw materials into a mechanical activation reactor, treat them at a mechanical activation temperature of 30°C for 160 minutes, separate the pellets, and obtain activated starchy raw materials;

[0056] (4) Slurry preparation: put activated raw materials into the slurry preparation tank, add water while stirring at 35°C, stir and dissolve to prepare starch s...

Embodiment 3

[0059] A method for mechanically activating and synergistically strengthening the saccharification of starchy raw materials with metal salts, the method comprising the steps of:

[0060] (1) Raw material processing includes: removing the mixed impurities in the cassava starchy raw material; then drying to a water content of less than 25%; pulverizing and passing through a 50-mesh sieve;

[0061] (2) mixing: the processed starchy raw material is uniformly mixed in a ratio of 100:1 to the weight ratio of starchy raw material and metal chloride salt FeCl;

[0062] (3) Mechanical activation reaction: put the uniformly mixed raw materials into a mechanical activation reactor, and treat them for 140 minutes at a mechanical activation temperature of 35°C, then separate the pellets to obtain activated starchy raw materials;

[0063] (4) Slurry preparation: put activated raw materials into the slurry preparation tank, add water while stirring at 40°C, stir and dissolve to prepare starc...

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Abstract

The invention discloses a mechanical activation-metal salt reinforcement-combined starchy raw material saccharification method. The method comprises 1, raw material treatment: removing impurities in starchy raw materials, drying the starchy raw materials until water content is less than 25%, carrying out crushing and carrying out screening through a sieve of 40-100 meshes, 2, mixing: mixing the treated starchy raw materials and a metal salt according to a weight ratio of 100: 0.5-5 to obtain a uniform mixture, 3, mechanical activation reaction: putting the uniform mixture into a mechanical activation reactor, carrying out treatment at a mechanical activation temperature of 25-60 DEG C for 10-180min and carrying out ball material separation to obtain the activated starchy raw material, 4, slurry preparation: putting the activated starchy raw material into a slurry preparation tank and adding water into the activated starchy raw material at a temperature of 30-50 DEG C along with stirring so that the activated starchy raw material is stirred and dissolved to form starch slurry with a concentration of 25-40%, and 5, saccharification: putting the raw material slurry into a saccharification tank, adding glucoamylase into the saccharification tank and carrying out saccharification to obtain a saccharification liquid.

Description

technical field [0001] The invention belongs to the field of biomass energy and starch chemicals, and specifically relates to a method for mechanically activating and cooperating with metal salts to strengthen the saccharification of starch raw materials. Background technique [0002] Today, as petroleum fuel resources are dwindling, it is necessary to find alternative fuels to ensure national energy security; at the same time, when the concentration of greenhouse gases such as CO2 in the atmosphere increases, causing climate warming and causing serious harm to human beings, fuel ethanol as a This kind of green renewable energy can not only replace non-renewable petroleum energy, but also help to improve the atmospheric environment. Cassava has been recognized by the world as a renewable resource for alcohol production with great potential for development. Cassava is a commercial crop widely planted in the tropics and subtropics. It has strong adaptability, drought resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P19/14C12P19/04C12P7/06
CPCC12P7/06C12P19/04C12P19/14Y02E50/10
Inventor 张燕娟黄祖强林叶覃廖青苏健梅杨梅胡华宇冯振飞覃宇奔黄爱民沈芳伍娟覃杏珍
Owner GUANGXI UNIV
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