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Phthalocyanine catalyst for dye wastewater treatment and preparation method thereof

A dye wastewater and catalyst technology, which is applied in physical/chemical process catalysts, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of burden and the generation of harmful substances, and achieve a simple method, low cost and mild reaction conditions. Effect

Active Publication Date: 2021-08-31
浙江庞氏塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the chemical method needs special chemical reducing agents, organic protective agents and even organic solvents in the reaction process, harmful substances will inevitably be produced after treatment, which will cause a burden to the environment

Method used

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  • Phthalocyanine catalyst for dye wastewater treatment and preparation method thereof
  • Phthalocyanine catalyst for dye wastewater treatment and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A preparation method for a phthalocyanine catalyst for dye wastewater treatment, comprising the following steps:

[0030] (1) Weigh 2.50g sulfamate cobalt phthalocyanine, 12.00g glucose, 1.25g peptone, 1.25g yeast extract and 0.10g disodium hydrogen phosphate, dissolve them in 100mL ultrapure water, and prepare the first mixture solution.

[0031] (2) Add Gluconacetobacter intermedia to the first mixed solution obtained in step (1), and culture at 30° C. for 5 days.

[0032] (3) Weigh 2.00g of silver nitrate, 6.00g of glucose, 0.50g of peptone, 0.50g of yeast extract and 0.05g of disodium hydrogen phosphate, and dissolve them in 100mL of ultrapure water to prepare a second mixed solution.

[0033] (4) Put the product obtained in step (2) into the second mixed solution obtained in step (3), add Gluconacetobacter intermedius, and react at 30° C. for 24 hours.

[0034] (5) Wash the product obtained in step (4) successively with 0.50mol / L hydrochloric acid, 0.50mol / L sodi...

Embodiment 2

[0047] A preparation method for a phthalocyanine catalyst for dye wastewater treatment, comprising the following steps:

[0048] (1) Weigh 5g sulfamate-based cobalt phthalocyanine, 15.00g glucose, 2.00g peptone, 2.00g yeast extract and 0.20g disodium hydrogen phosphate, dissolve them in 100mL ultrapure water, and prepare the first mixed solution .

[0049] (2) Acetobacter xylinum was added to the first mixed solution obtained in step (1), and cultured at 30° C. for 5 days.

[0050] (3) Weigh 4.00g of silver nitrate, 10.00g of glucose, 1.00g of peptone, 1.00g of yeast extract and 0.10g of disodium hydrogen phosphate, and dissolve them in 100mL of ultrapure water to prepare a second mixed solution.

[0051] (4) Put the product obtained in step (2) into the second mixed solution obtained in step (3), add Acetobacter xylinum, and react at 30° C. for 24 hours.

[0052] (5) Wash the product obtained in step (4) successively with 0.50mol / L hydrochloric acid, 0.50mol / L sodium hydrox...

Embodiment 3

[0056] A preparation method for a phthalocyanine catalyst for dye wastewater treatment, comprising the following steps:

[0057] (1) Weigh 5g sulfamate-based cobalt phthalocyanine, 15.00g glucose, 2.00g peptone, 2.00g yeast extract and 0.20g disodium hydrogen phosphate, dissolve them in 100mL ultrapure water, and prepare the first mixed solution .

[0058] (2) Acetobacter xylinum was added to the first mixed solution obtained in step (1), and cultured at 30° C. for 5 days.

[0059] (3) Weigh 0.10 g of silver nitrate, 10.00 g of glucose, 1.00 g of peptone, 1.00 g of yeast extract and 0.10 g of disodium hydrogen phosphate, and dissolve them in 100 mL of ultrapure water to prepare a second mixed solution.

[0060] (4) Put the product obtained in step (2) into the second mixed solution obtained in step (3), add Acetobacter xylinum, and react at 30° C. for 24 hours.

[0061] (5) Wash the product obtained in step (4) successively with 0.50mol / L hydrochloric acid, 0.50mol / L sodium ...

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Abstract

The invention discloses a phthalocyanine catalyst for dye wastewater treatment and a preparation method thereof. According to the preparation method, silver ions are reduced and attached to a phthalocyanine-nanocellulose binary catalyst by using a microorganism. The microorganism is gluconacetobacter intermedius, acetobacter xylinum or acetobacter hansenii; phthalocyanine is sulfamic acid group metal phthalocyanine; and silver ions are provided by silver nitrate, silver acetate or silver lactate. The preparation method comprises the following steps: 1, preparing a glucose culture solution containing phthalocyanine; 2, culturing microorganisms in the culture solution; 3, preparing a mixed solution containing silver ions and glucose; 4, putting a product obtained in the step 2 in the mixed solution obtained in the step 3, and adding the microorganisms; and 5, cleaning the product obtained in the step 4 to obtain the catalyst. According to the above technical scheme, reduction of silver ions on the surface of phthalocyanine is achieved, a chemical reducing agent, a protective agent and an organic solvent do not need to be added in the process, and the method has the advantages of simple operation, mild reaction conditions, green process, low cost and the like.

Description

technical field [0001] The invention belongs to the technical field of organic wastewater treatment; in particular, it relates to a phthalocyanine catalyst used for dye wastewater treatment and a preparation method thereof. Background technique [0002] The printing and dyeing industry is a large discharge of industrial wastewater. Printing and dyeing wastewater has the characteristics of large water volume, high content of organic pollutants, deep color, high alkalinity, and large changes in water quality. It is a difficult industrial wastewater to treat. In recent years, due to the development of chemical fiber fabrics, the rise of imitation silk and the progress of printing and dyeing finishing technology, a large amount of refractory biodegradable organic substances such as pulp, rayon hydrolyzate, and new additives have entered the printing and dyeing wastewater. Traditional chemical precipitation and air flotation The decolorization effect rate of this type of printing...

Claims

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Application Information

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IPC IPC(8): B01J31/22C02F1/72C02F101/30C02F101/38
CPCB01J31/183C02F1/722C02F1/725B01J2531/845B01J2531/025C02F2101/308C02F2101/38
Inventor 陈世良范秋瑾
Owner 浙江庞氏塑业有限公司
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