Efficient and environment-friendly malt syrup producing process

A technology for the production of maltose syrup and sugar, applied in the field of maltose syrup production technology, can solve the problems of incomplete removal of impurities by activated carbon, no recycling, large load of dissociated resin, etc., so as to reduce emissions, reduce pollution and reduce load. Effect

Inactive Publication Date: 2012-09-19
四川绿沃创新环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of the traditional process are: both liquefaction and saccharification require high-temperature-resistant enzyme preparations, and the enzymes are directly inactivated after enzymatic hydrolysis without recycling, resulting in high costs; there are a lot of pigments in the saccharified sugar liquid, which requires a large amount of activated carbon Decolorization is carried out to realize the purification of the sugar solution; the purified sugar solution enters the ion exchange resin, because the activated carbon does not remove impurities thoroughly, resulting in a large load on the ion exchange resin, short cleaning and regeneration cycles, a large amount of sewage, and serious pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 A kind of efficient and environment-friendly maltose syrup sugar production process, it comprises the following steps:

[0022] A. Starch mixing: Dilute the starch with hot water into starch milk with a concentration of 16Be. The temperature of the starch milk is less than or equal to 50°C. Adjust the pH value of the starch milk to 6.0. Add high-temperature resistant α-amylase to the starch milk. The addition of amylase is 400ml / ton of dry starch;

[0023] B. Liquefaction: The starch milk is liquefied by the second injection liquefaction method, the temperature of the first injection is 105°C, the temperature of the second injection is 125°C, and the flow rate of the two injections is 12m 3 / h, the DE value of the obtained liquid is 12%;

[0024] C. Saccharification: Cool the liquid obtained in step B to 58°C, adjust the pH value of the liquid to 5.5, and then add β-amylase, pullulanase and maltotriose hydrolase in an amount of 100ml / ton dry starch, Suga...

Embodiment 2

[0031] Example 2 A kind of efficient and environment-friendly maltose syrup sugar production process, it comprises the following steps:

[0032] A. Starch mixing: Dilute the starch with hot water into starch milk with a concentration of 100Be. The temperature of the starch milk is less than or equal to 50°C. Adjust the pH value of the starch milk to 6.1. Add high-temperature resistant α-amylase to the starch milk. The addition of amylase is 450ml / ton of dry starch;

[0033] B. Liquefaction: The starch milk is liquefied by the second injection liquefaction method, the temperature of the first injection is 108°C, the temperature of the second injection is 128°C, and the injection flow rate of the two injections is 15m 3 / h, the DE value of the obtained liquid is 15%;

[0034] C. Saccharification: Cool the liquid obtained in step B to 59°C, adjust the pH value of the liquid to 5.6, and then add β-amylase, pullulanase and maltotriose hydrolase in an amount of 200ml / ton dry s...

Embodiment 3

[0041] Example 3 A kind of efficient and environment-friendly maltose syrup sugar production process, it comprises the following steps:

[0042] A. Starch mixing: Dilute the starch with hot water into starch milk with a concentration of 180Be. The temperature of the starch milk is less than or equal to 50°C. Adjust the pH value of the starch milk to 6.2. Add high-temperature resistant α-amylase to the starch milk. The addition of amylase is 500ml / ton of dry starch;

[0043] B. Liquefaction: The starch milk is liquefied by the second injection liquefaction method, the temperature of the first injection is 110°C, the temperature of the second injection is 130°C, and the flow rate of the two injections is 20m 3 / h, the DE value of the obtained liquid is 17%;

[0044] C. Saccharification: Cool the liquid obtained in step B to 60°C, adjust the pH value of the liquid to 5.8, and then add β-amylase, pullulanase and maltotriose hydrolase in an amount of 300ml / ton dry starch, Su...

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Abstract

The invention discloses an efficient and environment-friendly malt syrup producing process, which comprises the following steps of starch size mixing, liquefication, saccharification, cartridge filtration, membrane decontamination, membrane separation, ion exchange and vacuum concentration. The process disclosed by the invention has the advantages that glucoamylase can be recycled by an ultrafiltration membrane device, and the production cost is reduced; impurities such as colloid, protein and pigment in malt syrup can be intercepted by the ultrafiltration membrane device so as to realize the purification and decontamination of the malt syrup, and an activated carbon decoloring procedure in the existing process is replaced; and at the same time the load of ion exchange resin is reduced, the exchange capacity of the resin is improved, the regeneration period of the ion exchange resin is prolonged, the discharge of regenerated sewage is reduced, and the pollution of the environment is small.

Description

technical field [0001] The invention relates to a production process of maltose syrup. Background technique [0002] The main component of malt syrup is maltose, which is a disaccharide composed of two glucose molecules to form a small molecular polymer. Starch is used as raw material, and it is hydrolyzed by enzymes, or a combination of acid and enzymes. Maltose syrup has high content of maltose, low content of glucose, colorless and transparent appearance, low sweetness, high boiling temperature, low hygroscopicity and good crystallization resistance. Maltose syrup is used in the confectionary industry, and it is not easy to return sand in high temperature seasons; used in cold drink products, it can improve the structure of ice cream and make it delicate and delicious; used in the production of candied fruit can improve the flavor of candied fruit; Strong, can also be used in various fruit and vegetable concentrated drinks. In addition, malt syrup is also widely used i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P19/22C12P19/16C12P19/14C07H3/04C07H1/08
Inventor 邱全国
Owner 四川绿沃创新环保工程有限公司
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