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After-treatment method of yellow ginger hydrolysate

A technology of turmeric hydrolyzate and filtrate, which is applied in the direction of fertilizer, application and organic fertilizer made from biological waste, can solve the problems of large waste and high cost of filtrate treatment, and achieve the effect of high fertilizer

Inactive Publication Date: 2016-07-06
ZHUSHAN COUNTY XINYUAN SAPONIN +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome above-mentioned technical deficiency, propose a kind of aftertreatment method of turmeric hydrolyzate, solve the technical problem that filtrate treatment cost is high, waste is big in the prior art

Method used

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Embodiment 1

[0024] Present embodiment provides a kind of aftertreatment method of turmeric hydrolyzate, comprises the steps:

[0025] (1) After the turmeric is hydrolyzed by adding acid under certain conditions, the turmeric hydrolyzate is filtered, the filtered filtrate is collected, then the filter residue is acid washed, and the first acid washing water of the filter residue is collected, and the first acid washing water is collected. mixed with filtrate;

[0026] (2) Add an appropriate amount of lye to the mixed liquid collected in step (1) to neutralize, until the pH value of the neutralized liquid is higher than 4.0 and lower than 5.0; Conventional mode detects the content of acid, total sugar and reducing sugar wherein, and roughly judges the lye content that needs to add according to content, and the lye of present embodiment 1 preferably adopts sodium hydroxide and / or potassium hydroxide solution, more preferably Only potassium hydroxide solution is used in order to provide an a...

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Abstract

The invention discloses an after-treatment method of a yellow ginger hydrolysate. The method comprises the following steps: (1) filtering the yellow ginger hydrolysate, and collecting the filtrate; (2) adding a right amount of alkali liquor into the collected liquid for neutralization; (3) activating yeast for alcohol fermentation, inoculating the yeast in the neutralization solution obtained in the step (2), and fermenting at 30-37 DEG C for 24-30 hours; (4) transferring the fermentation liquid in the step (3) into a distillation tower, distilling to obtain alcohol, distilled water and alcohol slops; and (5) preparing the alcohol slops into a water-soluble fertilizer. The alkali liquor is added into the filtrate to perform the neutralization reaction to form the environment suitable for yeast living; the yeast for alcohol fermentation is used for fermentation, so that part of nutrient elements in the neutralization solution are fermented into the alcohol; the distillation tower is used for distillation; the obtained alcohol and distilled water can be directly eaten; the alcohol slops can be directly prepared into the water-soluble fertilizer; and the water-soluble fertilizer has high fertility and is suitable for yellow ginger planting.

Description

technical field [0001] The invention relates to a treatment technology of turmeric hydrolyzate, in particular to a post-treatment method of turmeric hydrolyzate. Background technique [0002] The extraction process of saponin in turmeric needs to be hydrolyzed by adding acid, and the filter residue after hydrolysis is subjected to an acid washing process to extract turmeric saponin, while the filtrate after hydrolysis still has a relatively high concentration of acid and other nutrients, directly Discharge is easy to cause pollution. Although the existing technology can handle it, it requires high treatment costs and cannot fully utilize the useful substances in the filtrate, resulting in high production costs and waste of a large amount of nutrients. Contents of the invention [0003] The purpose of the present invention is to overcome above-mentioned technical deficiency, propose a kind of aftertreatment method of turmeric hydrolyzate, solve the technical problem that fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/08C05F5/00
CPCC05F5/008C12P7/08Y02A40/20
Inventor 胡金龙于惠梁运祥王绩朱端卫赵述淼周超周塬林雷天义田泽云
Owner ZHUSHAN COUNTY XINYUAN SAPONIN
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