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Liquidation and evaporation integrated high fructose corn syrup production method

A technology of high fructose syrup and liquefied liquid, which is applied to the production of sugar, sugar production, invert sugar production and other directions, and can solve the problems of high production cost and energy consumption, low yield of high fructose syrup, etc.

Inactive Publication Date: 2016-04-13
COFCO BIOCHEM ENERGY HENGSHUI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method production cost and energy consumption are all higher, and the yield of fructose syrup is also lower

Method used

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  • Liquidation and evaporation integrated high fructose corn syrup production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] This example is used to illustrate the preparation method of high fructose syrup provided by the present invention

[0044] (1) Starch pulping

[0045] Mixing water for pulping (a tap water desalination rate of 98%, a concentration of sodium chloride of 40 ppm, and a concentration of calcium chloride of 40 ppm) with corn starch, the amount of water used for pulping is such that the content of the prepared starch milk is 34% by weight, and The pH of the starch milk was adjusted to 5.7.

[0046] (2) Liquefaction

[0047] The starch milk obtained is mixed with 90% amylase (Novozymes or Genencor, α-amylase, in the embodiment of the present invention) with 90% of the total enzyme amount, the mixture is contacted with steam, and the mixture is contacted with steam. The condition makes the temperature of the mixture after contact with the steam be 115 ℃, and keep 6 minutes at this temperature, thereby realize high temperature jet liquefaction, wherein, with respect to every ...

Embodiment 2

[0063] This example is used to illustrate the preparation method of high fructose syrup provided by the present invention

[0064] (1) Starch pulping

[0065] Mixing water for pulping (a tap water desalination rate of 95%, a concentration of sodium chloride of 30 ppm, and a concentration of calcium chloride of 50 ppm) with corn starch, the amount of water used for pulping is such that the content of the prepared starch milk is 33% by weight, and The pH of the starch milk was adjusted to 5.5.

[0066] (2) Liquefaction

[0067] The starch milk that obtains is mixed with the amylase of total enzyme amount 88% (Novozymes company or Genenke company, alpha-amylase, all this amylase in the embodiment of the present invention), this mixture is contacted with steam, The condition of contact makes the temperature of the mixture after contact with the steam be 110 ℃, and keep 10 minutes at this temperature, thereby realize high temperature jet liquefaction; Wherein, with respect to eve...

Embodiment 3

[0075] This example is used to illustrate the preparation method of high fructose syrup provided by the present invention

[0076] (1) Starch pulping

[0077] Mixing water for pulping (a tap water desalination rate of 99%, a concentration of sodium chloride of 50 ppm, and a concentration of calcium chloride of 30 ppm) with corn starch, the amount of water used for pulping is such that the content of the prepared starch milk is 38% by weight, and The pH of the starch milk was adjusted to 5.9.

[0078] (2) Liquefaction

[0079] The starch milk that obtains is mixed with the amylase of total enzyme amount 85% (Novozymes company or Genenke company, alpha-amylase, all this amylase in the embodiment of the present invention), this mixture is contacted with steam, The condition of contact makes the temperature of the mixture after contact with the steam be 120 ℃, and keep 4 minutes at this temperature, thereby realize high temperature jet liquefaction; Wherein, with respect to ever...

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Abstract

The invention relates to the field of high fructose corn syrup production, and discloses a liquidation and evaporation integrated high fructose corn syrup production method. The method includes the steps of sequentially conducting pulping, liquidation, saccharification, first-time decoloration, first-time ion exchange, first-time evaporation, isomerization, second-time decoloration, second-time ion exchange and second-time evaporation on starch, and conducting flash on the liquid obtained through liquidation, wherein heat used for second-time evaporation is provided by waste heat of flash steam obtained through flash. In the high fructose corn syrup production process, by using the flash steam as heat for second-time evaporation, the steam consumption in the high fructose corn syrup production process is effectively saved, the liquidation efficiency is improved, and high economic benefits and social benefits are achieved.

Description

technical field [0001] The invention relates to the field of high fructose syrup production, in particular to a method for producing high fructose syrup by liquefaction and evaporation. Background technique [0002] Fructose syrup is a starch sugar crystal made by hydrolysis and isomerization of plant starch, and it is an important sweetener. Because it is mainly composed of fructose and glucose, it is called "fructose syrup". Fructose syrup is a saccharified liquid obtained by enzymatic saccharification of starch, and part of the glucose is isomerized to fructose through the isomerization of glucose isomerase, which is a mixed sugar syrup composed of glucose and fructose. Fructose syrup mainly includes products such as F42 fructose syrup and F55 fructose, among which F stands for fructose, and the following numbers indicate the percentage of fructose content in dry matter. Fructose syrup with a fructose content of 42%, expressed as F42, has a solid content of about 71%, a...

Claims

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Application Information

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IPC IPC(8): C12P19/24C12P19/20C12P19/14C12P19/02C13K3/00
CPCC12P19/02C12P19/14C12P19/20C12P19/24C13K3/00Y02P20/129
Inventor 牛秀中方民陈绍辉刘印寇同威王猛范米儒尹林杰
Owner COFCO BIOCHEM ENERGY HENGSHUI
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