Method for extracting toasted garlic amylase from toasted garlic finely processing waste-water

A garlic polysaccharide and deep processing technology, applied in the direction of osmosis/dialysis water/sewage treatment, etc., can solve the problems of pollution, high cost, waste of useful substances, etc., and achieve the effect of reducing production costs and reducing investment

Inactive Publication Date: 2008-02-06
郑永军 +2
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

This not only causes serious pollution, but also a large amount of useful substances in the waste water are wasted in vain.
[0003] On the other hand, in the prior art, the extraction raw materials of garlic polysaccharides are limited to the residue after extraction of garlic cloves and garlic oil, etc., the product cost is high, and the resource consumption is large.

Method used

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  • Method for extracting toasted garlic amylase from toasted garlic finely processing waste-water

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Experimental program
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Effect test

preparation Embodiment 1

[0024] Raw materials: 1000Kg of garlic washing waste water;

[0025] Ultrafiltration device: the molecular weight cut-off of the membrane is 67000 and 3500 respectively; the material of the membrane is polysulfone (PSF); the operating pressure is 0.3MPa.

[0026] Spray drying tower: The spray feeding pressure is 0.2MPa, the temperature of the inlet of the spray tower is 150°C; the temperature of the outlet of the spray tower is 85°C.

[0027] Process steps:

[0028] 1. Collect 1000kg of garlic deep-processing wastewater, and let it settle naturally for 5 hours. The supernatant is filtered through a 5um cloth bag filter to filter out large particles of impurities and then sent to the concentration tank;

[0029] 2. Use an ultrafiltration device with a molecular weight cut-off of 67,000 to intercept and concentrate the filtrate in the concentration tank to obtain 5 kg of garlic polysaccharide concentrate CW1. The solid content in the concentrate is 7%, and the clarified permeat...

preparation Embodiment 2

[0034] Raw materials: garlic powder washing wastewater 1000Kg;

[0035] Ultrafiltration device: the molecular weight cut-off of the membrane is 70000 and 4000 respectively; the material of the membrane is polyimide (PI); the operating pressure is 0.2MPa.

[0036] Spray drying tower: The spray feeding pressure is 0.3MPa, the inlet temperature of the spray tower is 145°C; the outlet temperature is 85°C.

[0037] Process steps:

[0038] 1. Collect 1000kg of garlic powder washing wastewater, let it settle naturally for 5 hours, filter the supernatant through a plate and frame filter, and send it into the concentration tank after filtering out large particles of impurities;

[0039] 2. Utilize an ultrafiltration device with a molecular weight cut-off of 70,000 to intercept and concentrate the filtrate in the concentration tank to obtain 5.9 kg of garlic polysaccharide concentrate CW1. The solid content in the concentrate is 8%, and the clarified permeate filtrate is collected;

...

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Abstract

The present invention discloses a method of extracting garlic polysaccharide from the garlic deep processing water, belonging to the extracting and separating field of polysaccharide. The garlic polysaccharide is recycled and extracted form the garlic deep processing water by adopting the ultrafiltration technique and spray-drying technology. Compared with prior art, the garlic polysaccharide extracting method of the present invention has the advantages of lower cost, simple flow, and easy realization, and the garlic polysaccharide can be recycled farthest from the garlic deep processing water, reducing the enterprise production cost and pollution control cost.

Description

technical field [0001] The invention relates to the field of extraction and separation of polysaccharides, in particular to a method for extracting garlic polysaccharides from garlic deep-processing wastewater. Background technique [0002] With its rich application value, garlic has been processed into a variety of health (food) products. At present, garlic processing enterprises only adopt simple chemical treatment for processing wastewater such as garlic slices, garlic rice, and garlic slices, and then discharge them. This not only causes serious pollution, but also a large amount of useful substances in the waste water are wasted in vain. [0003] On the other hand, the raw materials for extracting garlic polysaccharides in the prior art are limited to garlic cloves and residues after extraction of garlic oil, etc., resulting in high product cost and large resource consumption. Contents of the invention [0004] The technical task of the present invention is to provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/00C02F1/44
Inventor 郑永军陈华赵斌
Owner 郑永军
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