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Water hyacinth based magnetic hierarchical porous carbon surface imprinted material, preparation method and application thereof

An imprinted material, the technology of water hyacinth, which is applied in the field of water hyacinth-based magnetic hierarchical porous carbon surface imprinting materials and its preparation, can solve the problems of poor adsorption-desorption kinetics, small binding capacity of target molecules, and active site To avoid problems such as too deep spot embedding, to achieve good mechanical stability, rich carbon content, and easy access

Inactive Publication Date: 2019-10-18
HENAN UNIV OF URBAN CONSTR
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Problems solved by technology

Surface molecular imprinting technology builds molecular recognition sites on the surface of matrix materials, which solves the problems of low binding ability of target molecules, inability to completely remove, deep embedding of active sites, and problems caused by high crosslinking of traditional bulk polymerization. Disadvantages such as slow mass transfer and poor adsorption-desorption kinetics

Method used

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  • Water hyacinth based magnetic hierarchical porous carbon surface imprinted material, preparation method and application thereof
  • Water hyacinth based magnetic hierarchical porous carbon surface imprinted material, preparation method and application thereof
  • Water hyacinth based magnetic hierarchical porous carbon surface imprinted material, preparation method and application thereof

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preparation example Construction

[0052] The embodiment of the present invention discloses a method for preparing a water hyacinth-based magnetic hierarchical porous carbon surface imprinting material, which includes the following steps:

[0053] (1) Preparation of water hyacinth active material

[0054] Salvage water hyacinth from the lake, remove the stems and leaves, and keep the roots; wash the roots of water hyacinth with distilled water, dry and crush them, and sieve them with a 100-mesh sieve; the drying temperature of water hyacinth is 100°C-120 ℃, the time is 12-24h, grind into powder, and set aside;

[0055] Add the above materials into a phosphoric acid solution with a concentration of 10%-20% and stir, the mass ratio of water hyacinth powder to phosphoric acid solution (activator) is 1:1-4, and heat in a water bath at a temperature of 60°C-70°C 1-3h; vacuum drying at a temperature of 100°C-120°C for 12-24h to obtain the active raw material of water hyacinth;

[0056] (2) Preparation of water hyac...

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Abstract

The invention discloses a preparation method of a water hyacinth based magnetic hierarchical porous carbon surface imprinted material. The method includes: preparation of a water hyacinth active raw material, preparation of water hyacinth based magnetic hierarchical porous carbon and preparation of the water hyacinth based magnetic hierarchical porous carbon surface imprinted material. With the advantages of strong fecundity, easy availability, rich carbon element content, abundant surface functional groups, etc., water hyacinth is employed as the excellent raw material for preparation of thehierarchical porous carbon material, and the hierarchical porous carbon material prepared from water hyacinth is used as a molecular imprinting matrix material, thus not only effectively alleviating the resource shortage problem, but also alleviating the environmental pollution problem.

Description

technical field [0001] The invention relates to the technical field of utilization and treatment of aquatic plants, and more specifically relates to a water hyacinth-based magnetic multi-level porous carbon surface imprinted material and a preparation method and application thereof. Background technique [0002] Ciprofloxacin belongs to the third-generation fluoroquinolone antibiotics. It is widely used because of its broad antibacterial spectrum, strong antibacterial activity, high blood concentration, high bioavailability, and rapid decomposition into various tissues. Due to the low absorption of antibiotics in organisms, most of the used drugs will be excreted in the form of parent drugs and enter the environment, posing a potential threat to the environment. Studies have shown that about 25%-75% of the antibiotic drugs used by animals will be excreted from the feces in the form of parent drugs or metabolites, so antibiotics that enter the soil or aquatic environment thro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/28C02F1/28C08F222/14C08F220/06B01J20/30C02F101/36C02F101/38
CPCB01J20/24B01J20/20B01J20/06B01J20/268B01J20/28009C08F222/1006C02F1/288C02F2101/36C02F2101/38C08F222/102
Inventor 毛艳丽康海彦黄真真刘彪宋忠贤张红力徐永争姚学同鲁志鹏李明宋冰崔弼峰李宾宿显瑞张东令付清龙罗煜昽王召东罗世田
Owner HENAN UNIV OF URBAN CONSTR
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