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A process for extracting tea saponin using membrane separation and concentration

A membrane separation and tea saponin technology, applied in semi-permeable membrane separation, membrane technology, chemical industry, etc., to reduce emissions, improve product quality, and have a wide range of applications.

Active Publication Date: 2016-05-11
HANGZHOU CHOISUN BIO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006]2. Long recovery and concentration time
Taking an evaporator that evaporates 1,000 kg per hour as an example, it takes 6 hours to achieve the purpose of concentration, and it is easy to foam, causing the tube to be turned over into the condenser to re-evaporate
[0007]3. Because the temperature in the evaporator is about 100 degrees, the color of the material is darker after 6 hours, which limits the application field of the finished product
[0008]Based on the above problems, the production process has high energy consumption, inconvenient operation, and the change of steam volume often causes the foam to turn over, and the color is dark, which limits the application of finished products field

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1, a process for extracting tea saponin using membrane separation and concentration, the specific steps are as follows: the tea meal raw material is dried by a dryer, and then the particles are ground and pulverized by a grinding and crushing device; the pulverized tea meal is put into Add methanol for extraction in a horizontal extractor, the concentration of methanol is 50%, the mass ratio of methanol and tea meal is 1:6-1:12, and the mixing time of methanol and tea meal is 1-3 hours. Extract the methanol saponin mixed solution at the bottom of the pan extractor, and after the extraction, the pan extractor remains as saponin slag; put the above methanol saponin mixed solution into a long tube evaporator to recover methanol; pass the above solution through activated carbon to filter impurities and Pigment, the solution is filtered through activated carbon for 10-20 minutes, and then water is recovered through membrane separation equipment; the finished tea sapon...

Embodiment 2

[0031] Example 2, a process for extracting tea saponin using membrane separation and concentration. The specific steps are as follows: the tea meal raw material is dried in a dryer, and then the particles are ground and pulverized by a grinding and crushing device; the pulverized tea meal is put into Methanol is added into the horizontal extractor for extraction, the concentration of methanol is 70%, the mass ratio of methanol and tea meal is 1:6-1:12, and the mixing time of methanol and tea meal is 1-3 hours. Extract the methanol saponin mixed solution at the bottom of the pan extractor, and after the extraction, the pan extractor remains as saponin slag; put the above methanol saponin mixed solution into a long tube evaporator to recover methanol; pass the above solution through activated carbon to filter impurities and Pigment, the solution is filtered through activated carbon for 10-20 minutes, and then water is recovered through membrane separation equipment; the finished ...

Embodiment 3

[0032] Example 3, a process for extracting tea saponin using membrane separation and concentration. The specific steps are as follows: the tea meal raw material is dried in a dryer, and then the particles are ground and pulverized by a grinding and crushing device; the pulverized tea meal is put into Methanol is added into the horizontal extractor for extraction, the concentration of methanol is 80%, the mass ratio of methanol and tea meal is 1:6-1:12, and the mixing time of methanol and tea meal is 1-3 hours. Extract the methanol saponin mixed solution at the bottom of the pan extractor, and after the extraction, the pan extractor remains as saponin slag; put the above methanol saponin mixed solution into a long tube evaporator to recover methanol; pass the above solution through activated carbon to filter impurities and Pigment, the solution is filtered through activated carbon for 10-20 minutes, and then water is recovered through membrane separation equipment; the finished ...

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PUM

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Abstract

A process for extracting tea saponin using membrane separation and concentration. The raw material of tea meal is dried, ground and pulverized into particles, and the pulverized tea meal is put into a rotary extractor and extracted with methanol, and the methanol is extracted at the bottom of the rotary extractor. Saponin mixed solution, after extraction, the remaining saponin slag in the horizontal extractor; then put it into a long tube evaporator to recover methanol; then filter impurities and pigments through activated carbon, and then recover water through membrane separation equipment; use spray drying to obtain Finished tea saponin. By adopting the production process of the method, energy consumption in the production process can be reduced, various raw materials can be recycled, energy can be saved, emissions can be reduced, and product quality can be improved at the same time.

Description

【Technical field】 [0001] The invention relates to the technical field of deep processing of tea seeds, in particular to the technical field of extracting tea saponin from a kind of camellia tea dregs by membrane separation and concentration. 【Background technique】 [0002] Tea saponin, also known as tea saponin, is a kind of glycoside compound extracted from tea tree seeds. It is a kind of natural surfactant with good performance. It can be widely used in light industry, chemical industry, pesticide, feed, breeding, textile , oil extraction, mining, building materials and highway construction and other fields, manufacturing emulsifiers, detergents, pesticide auxiliaries, feed additives, crab and shrimp breeding protection agents, textile auxiliaries, oilfield foam agents, mining flotation agents and aerated concrete Foam stabilizer and concrete admixture - antifreeze, etc. [0003] At present, the basic process of tea saponin proposed by domestic industrialization is as fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07J63/00C07H15/256C07H1/08B01D61/00
CPCY02P20/10
Inventor 张向杰
Owner HANGZHOU CHOISUN BIO TECH CO LTD