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Magnetic recyclable copper tetranitrophthalocyanine composite catalyst and application thereof in phenolic pollutant chromogenic recognition reaction

A composite catalyst, tetranitro technology, applied in the direction of organic compound/hydride/coordination complex catalyst, physical/chemical process catalyst, analysis through chemical reaction of materials, etc. and other problems, to achieve the effect of low price, simple preparation, non-toxic and harmless cost

Active Publication Date: 2015-12-09
XUCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the absence of light (without using sunlight and artificial light sources), the research work on tetranitrocopper(II) phthalocyanine that can catalyze phenol color development has not been seen in various literatures.

Method used

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  • Magnetic recyclable copper tetranitrophthalocyanine composite catalyst and application thereof in phenolic pollutant chromogenic recognition reaction
  • Magnetic recyclable copper tetranitrophthalocyanine composite catalyst and application thereof in phenolic pollutant chromogenic recognition reaction
  • Magnetic recyclable copper tetranitrophthalocyanine composite catalyst and application thereof in phenolic pollutant chromogenic recognition reaction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Step (1) Fe 3 o 4 Preparation of magnetic carrier:

[0057] Dissolve 0.64g of sodium dodecylbenzenesulfonate (SDBS) and 3.72g of sodium acetate in 65mL of ethylene glycol, ultrasonically disperse for 15min with stirring to dissolve completely, then add 2.16g of FeCl 3 ·6H 2 After O was magnetically stirred for 30 min, the mixture was transferred into a 100 mL hydrothermal reaction kettle, and reacted at a temperature of 180 °C for 12 h. After the reaction kettle was naturally cooled to room temperature, the product was washed three times with deionized water and absolute ethanol, and the obtained samples were dried in a vacuum oven at 60°C for 12 hours and collected for use.

[0058] Step (2) Fe 3 o 4 Preparation of C:

[0059] Add 7.90g of glucose into 70mL of deionized water, stir and wait for it to dissolve completely, then take 0.46g of Fe prepared in step (1) 3 o 4 The powder was added to aqueous glucose solution for ultrasonic dispersion for 5 minutes, the...

Embodiment 2

[0072] Dissolve 0.80g of sodium dodecylbenzenesulfonate (SDBS) and 4.50g of sodium acetate in 75mL of ethylene glycol, ultrasonically disperse for 20min with stirring to dissolve completely, then add 2.50g of FeCl 3 ·6H 2 After O was magnetically stirred for 30 min, the mixture was transferred into a 100 mL hydrothermal reactor, and reacted at a temperature of 190 °C for 8 h. After the reaction kettle was naturally cooled to room temperature, the product was washed three times with deionized water and absolute ethanol, and the obtained samples were dried in a vacuum oven at 60°C for 12 hours and collected for use.

[0073] Step (2) Fe 3 o 4 Preparation of C:

[0074] Add 9.0g of glucose into 70mL of deionized water, stir until it is completely dissolved, take 0.60g of Fe prepared in step (1) 3 o 4 The powder was added to aqueous glucose solution for ultrasonic dispersion for 5 minutes, and then the reaction solution was transferred to a 100mL reactor and reacted at 190°C ...

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Abstract

The invention relates to a magnetic recyclable copper tetranitrophthalocyanine composite catalyst and application thereof in a phenolic pollutant chromogenic recognition reaction. The composite catalyst comprises an amorphous carbon membrane layer-coated ferroferric oxide magnetic carrier and copper (II) tetranitrophthalocyanine which is loaded on the surface of the carrier and has an 'island shaped' nano-structure. The catalyst is low in cost, non-toxic and harmless, has a stable physical property, integrates with chemical catalyzing and magnetic recycling functions into a whole, and can be used repeatedly. The composite catalyst serving as a catalyst is used for catalyzing multiple phenols, such as phenol, 2-chlorophenol, 4-chlorophenol and 2,4-chlorophenol, in an aqueous solution to carry out a chromogenic reaction with 4-amino antipyrine. The composite catalyst has the advantages of high chromogenic speed and low cost and is easy to operate, the catalytic reaction can be quickly performed at room temperature only by means of the contact among the catalyst, an oxidant and a substrate without illuminating or heating, and the catalytic reaction process is green, safe and easy to control.

Description

technical field [0001] The present invention relates to the preparation of a composite material with chemical catalysis and magnetic recovery functions, in particular to a magnetic recyclable tetranitrocopper (II) phthalocyanine composite catalyst, which can accelerate 4-aminoantipyretic as a catalyst Lin and phenolic compounds such as phenol (or chlorophenol) color reaction, improved 4-aminoantipyrine color analysis method to identify phenolic compounds, used for color identification of phenolic pollutants in water environment. Background technique [0002] Phenol and chlorophenol compounds are a class of highly toxic environmental pollutants, which are derived from chemical industries such as pharmaceuticals, printing and dyeing, paper and plastic products, as well as pesticides, herbicides and fungicides in agriculture and wood processing industries. Phenolic compounds are difficult to be degraded by natural microorganisms, and are easily soluble in water and volatile. Th...

Claims

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Application Information

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IPC IPC(8): B01J31/28G01N21/76
Inventor 葛素香李大鹏孙国富张万强郑直屠广亮于善武李月洪闯
Owner XUCHANG UNIV
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