Peanut shell based magnetic hierarchical pore carbon surface imprinting material and preparation method and applications thereof

The technology of imprinting material and peanut shell is applied in the field of peanut shell-based magnetic hierarchical porous carbon surface imprinting material and its preparation, and can solve the problems of water treatment technology unable to meet the needs of advanced treatment, poor thermal stability, small adsorption capacity and the like, Achieve the effect of improving activation efficiency, increasing specific surface area and pore volume, good stability and regeneration performance

Pending Publication Date: 2019-09-20
HENAN UNIV OF URBAN CONSTR
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  • Claims
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Problems solved by technology

[0003] At present, there are many treatment methods for PEDs organic pollutants, and traditional water treatment technology cannot meet the needs of advanced treatment at all.
The significant advantages of the adsorption method are simple operation, high efficiency, low energy consumption, low investment cost, no secondary pollution, no more toxic or more difficult to degrade pollutants, but commonly used adsorbents generally have Poor selectivity, poor thermal stability, small adsorption capacity, long equilibration time, etc.

Method used

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  • Peanut shell based magnetic hierarchical pore carbon surface imprinting material and preparation method and applications thereof
  • Peanut shell based magnetic hierarchical pore carbon surface imprinting material and preparation method and applications thereof
  • Peanut shell based magnetic hierarchical pore carbon surface imprinting material and preparation method and applications thereof

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preparation example Construction

[0056] The embodiment of the present invention discloses a preparation method of a peanut shell-based magnetic hierarchical porous carbon surface imprinted material, the steps are as follows:

[0057] (1) Preparation of Peanut Shell-Based Magnetic Hierarchical Carbon

[0058] Wash the discarded peanut shells with tap water, dry, crush, and sieve to 150-200um to make peanut shell powder, add the above-mentioned peanut shell powder to a phosphoric acid solution with a mass concentration of 10%-20% and stir, The mass ratio of peanut shell powder to phosphoric acid solution (activator) is 1:1-3, at a temperature of 70°C-80°C, heat in a water bath for 2.0-5.0h; at a temperature of 80°C-100°C, vacuum dry 12-24h to obtain the active raw material of peanut shell; mix the potassium hydroxide and the active raw material of peanut shell according to the mass ratio of 1:1-3, and put them into a mortar for grinding; then mix the above mixture with a concentration of 0.05-0.3g / The ethanol...

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Abstract

The invention discloses a preparation method of a peanut shell based magnetic hierarchical pore carbon surface imprinting material. The preparation method comprises following steps: preparation of a peanut shell active raw material, preparation of peanut shell based magnetic hierarchical pore carbon, and preparation of the peanut shell based magnetic hierarchical pore carbon surface imprinting material. Cheap and abundant peanut shells (agricultural wastes) are taken as the raw materials to prepare the imprinting material, which can effectively identify, separate, and enrich phenol endocrine disrupters in an environment from a complicated system.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, and more specifically relates to a peanut shell-based magnetic hierarchical porous carbon surface imprinted material and a preparation method and application thereof. Background technique [0002] Environmental Endocrine Disruptors (Environmental Endocrine Disruptors, EEDs) refer to substances released into the environment by human beings in production and life, which can affect the synthesis, secretion, action and metabolism of hormones in humans and animals like hormones or anti-hormones. Substances generally have important characteristics such as bioaccumulation, environmental persistence, high toxicity, and long-distance migration ability. There are more than 70 kinds of existing EEDs, among which polychlorinated phenols (such as pentachlorophenol, tetrachlorophenol, trichlorophenol and dichlorophenol, etc.) and bisphenols (such as bisphenol A, bisphenol AF, bisphenol AP and tet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/20B01J20/28B01J20/30C02F1/28C02F101/30C02F101/34
CPCB01J20/20B01J20/268B01J20/28009B01J20/3057B01J20/3078B01J2220/4881C02F1/288C02F2101/305C02F2101/345
Inventor 毛艳丽焦学然刘彪罗煜昽康海彦黄真真宋忠贤鲁志鹏陈芳姚学同李明宋冰陈卓张凤玲祝波陈娜刘祎梅蕊刘凯鑫李宾张东令付清龙王召东罗世田
Owner HENAN UNIV OF URBAN CONSTR
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