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Plant extraction
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Plant extraction

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A. Tea extraction


The components in tea extract are very complex, including impurities such as fiber, colloid, protein, tannin, oil, pigment and inorganic salt, etc. The traditional purification process is difficult to remove impurities, resulting in low purity, short shelf life and poor taste of the product. Using membrane separation technology development of the tea deep processing, microfiltration, ultrafiltration, nanofiltration, reverse osmosis technology used in the tea deep processing, overcomes the drawback of traditional craft, can extract the tea of various functional components, produce concentrated tea, instant tea and other innovative products with high purity, reduced the production cost, improve the quality of the product.

 

Technical features and advantages:

1. High filtration accuracy, good product stability, clear and transparent filtrate, eliminating turbidite precipitation and "aftermuddy" phenomenon;

2. High concentration of tea juice can be realized, and the product has good color, aroma and taste;

3. No additives, no pollution and residue, green and environmental protection;

4. Ceramic membrane has strong anti-pollution ability, good regeneration performance and long service life;

5. Simplified technology, short process and greatly shortened production cycle;

6. The system has low total energy consumption, low operating cost, simple operation, stable operation and easy maintenance;

7. The system can integrate data processing, online monitoring and reduce labor intensity.

 


B. Extraction of plant polysaccharides

Plant extract refers to a substance extracted or processed from a plant (whole or part of a plant) using an appropriate solvent or method, and may be used in the pharmaceutical, food, health, beauty and other industries. Plant extract is a product formed by taking plants as raw materials, obtaining and concentrating one or more active components of plants directionally without changing the structure of their active components through the process of physical and chemical extraction and separation according to the needs of the final product extracted. According to the extraction of different plant components, the formation of glycosides, acids, polyphenols, polysaccharides, terpenoids, flavonoids, alkaloids; According to the different characters, can be divided into vegetable oil, extract, powder, lens, etc.

In traditional plant extraction, most of them are pretreated and clarified by means of salt-rich precipitation, which results in low purity, more impurities, more product loss, and heavy metal ion residue, resulting in serious environmental pollution. After years of research and development, Nanjing Jiuan Environmental Protection Technology Co., Ltd. has developed a variety of new plant extraction technologies, adopting membrane separation and integration technology to replace the traditional salt precipitation, plate and frame pressure filtration technology, etc., and making positive contributions to the technological progress of the enterprise.


Process features and advantages:

1. High filtration precision of ceramic membrane, good product stability, clear and transparent filtrate;

2. High decolorization efficiency of ultrafiltration membrane;

3. High multiple concentration of products can be achieved to reduce energy consumption;

4. The separation membrane has strong anti-pollution ability, good regeneration performance and long service life;

5. Simplified technology, short process and greatly shortened production cycle;

6. The system has low total energy consumption, low operating cost, simple operation and easy maintenance.

Application cases: stevia extraction, original sucrose extraction, Jerusalem artichoke polysaccharide extraction; Extraction of Traditional Chinese medicine.

 

An enterprise stevia extraction project

 

 

An enterprise original ecological sucrose extraction project

C. Plant pigment extraction

Anthocyanin extraction -- a case study of European blueberry pigment

 


Process features and advantages:

1. High filtration precision of ceramic membrane, good product stability, clear and transparent filtrate;

2, reverse osmosis membrane pre-concentration, reduce the amount of resin feed, and less pigment loss;

3. Concentration of nanofiltration membrane to reduce energy consumption;

4. Simplified process and short process;

5. Low operating cost, simple system operation and easy maintenance.

 


European cranberry project of a certain enterprise

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