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Special decolorization resin for starch saccharification liquid

A technology of starch saccharification solution and decolorization resin, applied in the direction of coating, can solve the problems of increasing decolorization cycle and cost investment, and achieve the effect of shortening processing cycle, good reproducibility and prolonging service life

Inactive Publication Date: 2017-05-17
DONGZHI OASIS ENVIRONMENTAL PROTECTION CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, decolorization with activated carbon cannot achieve the desired decolorization effect once, and two or more decolorizations with activated carbon are required, which increases the decolorization cycle and cost input.

Method used

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  • Special decolorization resin for starch saccharification liquid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Preparation of the water phase: first add 6 parts of chlorinated polyethylene, 5 parts of squash gum and 1 part of agar powder to 250 parts of water, heat to 60-65 °C and mix for 15 minutes, then add 4 parts of water-soluble shell Polysaccharide and 3 parts of anionic polyacrylamide, continue to reflux and mix for 15 minutes, the resulting mixture is cooled to -5-0°C within 5 minutes under an ice-salt bath, and kept at -5-0°C for 2 hours, and finally in the homogeneous Carry out two homogenizations at a homogenization temperature of 65-70°C and a homogenization pressure of 20-25 MPa to obtain an aqueous phase solution;

[0025] (2) Preparation of oil phase: first heat 20 parts of divinylbenzene and 15 parts of porogen to 75-80 ° C and mix for 15 minutes, then add 70 parts of styrene and 45 parts of hydroxyethyl methacrylate, and mix thoroughly Then microwave at a microwave frequency of 2450MHz and a power of 700W for 5 minutes, and then continue to microwave for 5 m...

Embodiment 2

[0031] (1) Preparation of the water phase: first add 8 parts of chlorinated polyethylene, 4 parts of squash gum and 1 part of agar powder to 300 parts of water, heat to 60-65 °C and mix for 15 minutes, then add 6 parts of water-soluble shell Polysaccharide and 3 parts of anionic polyacrylamide, continue to reflux and mix for 15 minutes, the resulting mixture is cooled to -5-0°C within 5 minutes under an ice-salt bath, and kept at -5-0°C for 2 hours, and finally in the homogeneous Carry out two homogenizations at a homogenization temperature of 65-70°C and a homogenization pressure of 20-25 MPa to obtain an aqueous phase solution;

[0032] (2) Preparation of oil phase: first heat 25 parts of divinylbenzene and 15 parts of porogen to 75-80 ° C and mix for 15 minutes, then add 80 parts of styrene and 50 parts of hydroxyethyl methacrylate, and mix thoroughly Then microwave at a microwave frequency of 2450MHz and a power of 700W for 5 minutes, and then continue to microwave for 5 m...

Embodiment 3

[0038] The same batch of starch saccharification liquid was fully mixed and divided into 5 parts on average, and the resins prepared in Examples 1 and 2 of the present invention were used for decolorization treatment, and the decolorization rate was compared with commercially available resins D318, DM-301 and AB-8. Determination, the results are shown in Table 1.

[0039] The decolorization effect of the resin made by table 1 embodiment 1 and 2

[0040] project Example 1 Example 2 D318 DM-301 AB-8 Decolorization rate 98.8％ 98.5％ 91.2％ 92.4％ 91.8％

[0041] It can be seen from Table 1 that the decolorization effect of the resins prepared in Examples 1 and 2 of the present invention on starch saccharification liquid is stronger than that of the commercially available resins D318, DM-301 and AB-8, and the decolorization rate reaches more than 98%.

[0042] The resins produced in Examples 1 and 2 of the present invention were regenerated twice, and ...

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Abstract

The invention discloses a special decolorization resin for starch saccharification liquid and relates to the technical field of processing of resin. The resin is prepared from the following raw materials in parts by weight: 70-80 parts of styrene, 40-50 parts of hydroxyethyl methylacrylate, 20-30 parts of divinyl benzene, 15-20 parts of pore-foaming agents, 6-11 parts of chlorinated polyethylene, 4-8 parts of linear low-density polyethylene, 4-8 parts of water-soluble chitosan, 3-6 parts of N,N-dimethylamino ethyl ester, 3-6 parts of sesbania gum, 3-6 parts of anionic polyacrylamide, 2-4 parts of N-phenylmaleimide, 2-4 parts of sodium tripolyphosphate, 1-2 parts of sodium polystyrenesulfonate, 1-2 parts of agar powder, 0.5-1 part of methyl hydroxybenzoate, 0.5-1 part of vitamin C magnesium phosphate, 20-30 parts of ethyl alcohol and 250-300 parts of water. The prepared resin is capable of effectively removing colored impurities in the starch saccharification liquid; the decolorization rate reaches over 98%; moreover, the decolorization time is short; the processing cycle of starch saccharification can be shortened.

Description

[0001] Technical field: [0002] The invention relates to the technical field of resin processing, in particular to a special decolorizing resin for starch saccharification liquid. [0003] Background technique: [0004] During the saccharification reaction of starch sugar, the color will generally appear to deepen, and it is necessary to add activated carbon to remove the color during refining. The reason for the darkening of the color is mainly related to the carbonyl ammonia reaction that occurs during saccharification. The carbonyl group in the reducing sugar reacts with the free amino acid or the free amino acid of the amino acid residue in the protein molecule. This reaction is called "Maillard reaction". However, decolorization with activated carbon cannot achieve the desired decolorization effect once, and two or more decolorizations with activated carbon are required, which increases the decolorization cycle and cost input. In response to this situation, our company h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F291/04C08F291/08C08F291/12C08F291/14C08F212/36C08F212/08C08F220/28C08F2/18C08J7/06C08J9/28C08B30/04
CPCC08B30/04C08F2/18C08F251/00C08F255/023C08F257/02C08F265/10C08J7/065C08J9/286C08J2351/00C08J2351/06C08F220/281
Inventor 陈建宇
Owner DONGZHI OASIS ENVIRONMENTAL PROTECTION CHEM
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