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Grape skin adsorbent for adsorbing and removing cadmium ions as well as preparation method and application of grape skin adsorbent

A technology of adsorbents and grape skins, applied in chemical instruments and methods, other chemical processes, food science, etc., to achieve the effects of improving efficiency, increasing specific surface area, and optimizing the amount of addition

Pending Publication Date: 2022-03-08
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Common adsorption modification processes for wastewater systems may ut

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  • Grape skin adsorbent for adsorbing and removing cadmium ions as well as preparation method and application of grape skin adsorbent
  • Grape skin adsorbent for adsorbing and removing cadmium ions as well as preparation method and application of grape skin adsorbent
  • Grape skin adsorbent for adsorbing and removing cadmium ions as well as preparation method and application of grape skin adsorbent

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Abstract

The invention discloses a grape skin adsorbent for adsorbing and removing cadmium ions as well as a preparation method and application of the grape skin adsorbent. The adsorbent comprises the following components: 35-55 parts of grape skin; 0.5 to 1 part of pectinase; 0.5 to 1 part of cellulase; and 45-55 parts of water. According to the method, grape skin is used as a main raw material, and the adsorbing material capable of adsorbing the heavy metal ion cadmium is obtained through the steps of enzymolysis, drying, smashing and the like. The adsorbent provided by the invention can effectively adsorb and remove cadmium ions in an aqueous solution, can also add grape flavor fragrance in the solution, and has wide application in aquatic product food processing, especially in adsorption and removal of cadmium ions in seafood sauce.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a grape skin heavy metal adsorbent, a preparation method and an application thereof. The adsorbent is especially suitable for the adsorption and removal of cadmium ions in seafood sauces. Background technique [0002] Grape is the most planted fruit in the world. It is mainly used for wine brewing. About 25 million liters of wine are produced every year. At the same time, a large amount of grape pomace waste is produced, which has caused a certain burden on production costs and put a certain pressure on the environment. . Domestic use of grape pomace is not high, and currently it is mainly concentrated on the extraction of biologically active substances. Grape skins are rich in biologically active substances, especially polyphenols, which have obvious antioxidant effects and are widely used in medicine, health care, food, cosmetics, and chemical industries. ...

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Application Information

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IPC IPC(8): B01J20/24B01J20/30A23L5/20A23L27/60
CPCB01J20/24A23L5/273A23L27/60B01J2220/4893
Inventor 吴金鸿王翰韬陈惠云李华涂兰兰
Owner SHANGHAI JIAO TONG UNIV