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Preparation method and application of conductive imprinting Ag@PANI/CoFe2O4/C

A cofe2o4, imprinting technology, applied in chemical instruments and methods, water/sludge/sewage treatment, magnetic/electric field water/sewage treatment, etc., can solve the problem of high cost, poor controllability, inability to guarantee the proportion of conductive polymers, problems such as integrity and success rate, to achieve the effect of fast polymerization, complete preservation, and high bonding power

Inactive Publication Date: 2018-11-06
JIANGSU UNIV
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Problems solved by technology

In the prior art, the introduction of conductive polymers in the surface imprinted layer generally adopts the method of polymerizing the imprinted polymers and conductive polymers together, but this method has poor controllability and cannot guarantee the proportion, integrity and success rate of conductive polymers , and the cost is high; therefore, there is a need for a preparation method that can reduce the cost and improve the synthesis success rate and polymerization speed

Method used

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  • Preparation method and application of conductive imprinting Ag@PANI/CoFe2O4/C
  • Preparation method and application of conductive imprinting Ag@PANI/CoFe2O4/C
  • Preparation method and application of conductive imprinting Ag@PANI/CoFe2O4/C

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Embodiment 1

[0044] (1) Synthesis of modified porous carbon (C): Firstly, put the corn cob into a tube furnace for calcination reaction under nitrogen atmosphere, set the heating rate at 5°C / min, program the temperature from room temperature to 400°C, and Calcined at 400°C for 1 h, cooled to room temperature after the reaction, took out the above product and soaked it in KOH solution (0.3 g / mL, the mass ratio of KOH and the product after the first calcined corn cob was 4:1) for 6 h, then put The solution obtained above was washed with deionized water to neutrality, dried at 60°C for 12 hours, and the dried product was moved to a tube furnace again, and calcined in a nitrogen atmosphere. The heating rate was set at 5°C / min. The room temperature was programmed to rise to 850°C, and calcined at 850°C for 1 h. After the reaction, cooled to room temperature, and the solid sample was taken out; then 10 mL of concentrated sulfuric acid was poured into a beaker, and 300 mL of deionized water was ad...

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Abstract

The invention belongs to the technical field of synthesis of an environment material and specifically relates to a preparation method of conductive imprinting Ag@PANI / CoFe2O4 / C with high photocatalytic activity and selectivity. The preparation method comprises the following steps: taking corncob converted C as a carrier, loading CoFe2O4 to synthesize CoFe2O4 / C, synthesizing PANI, loading Ag, synthesizing Ag@PANI, taking tetracycline as a template molecule and synthesizing a final material. The preparation method has the following advantages: an imprinting layer adopts a step-by-step grafting and visible light initiation method, has the advantages of high bonding success rate and high polymerization speed as well as realizes selective removal of the tetracycline; the Ag@PANI adopts an external synthesis and integral introduction method, has the advantages of controllable proportion, storage integrity and high photocatalytic property and improves both photocatalytic activity and selectivity; due to the use of waste biomass (corncob), the significance of treating waste with waste is embodied and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of environmental material synthesis, in particular to a conductive printed Ag@PANI / CoFe 2 o 4 / C preparation method, and its selective adsorption / photocatalytic degradation of tetracycline. Background technique [0002] CoFe 2 o 4 As a new type of semiconductor material, it has good photocatalytic activity and magnetic separation characteristics, and is one of the popular materials studied by experts and scholars at home and abroad. But ordinary CoFe 2 o 4 The inability to selectively remove specific targets from a multitude of species severely restricts CoFe 2 o 4 functional applications. The introduction of surface imprinting technology can well solve the problem of CoFe 2 o 4 functional applications. [0003] Surface imprinting technology is to polymerize template molecules and cross-linking agents in a polymer monomer solution to obtain a solid medium, and then remove the template molecules in...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/28B01J20/30C02F1/28C02F1/30C02F1/48B01J31/28C02F103/34
CPCC02F1/285C02F1/30C02F1/488B01J20/268B01J20/28009B01J23/002B01J31/28C02F2305/10C02F2103/343B01J2220/485B01J35/39
Inventor 逯子扬朱晓蝶储金宇宋旼珊何凡彭嘉艺于泽惠吴向阳
Owner JIANGSU UNIV
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