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Preparation method of TiO2/iron-based MOF loaded functional fabric

A functional fabric, iron-based technology, applied in the direction of organic compound/hydride/coordination complex catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as difficult recycling, chromaticity problems, and easy agglomeration. Achieve the effect of reducing recombination rate, low cost and large specific surface area

Inactive Publication Date: 2021-03-09
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a loaded TiO 2 / The preparation method of the functional fabric of iron-based MOF is used for the decolorization of organic dyes in printing and dyeing wastewater, and solves the chromaticity problem caused by organic dyes in the prior art, which is easy to agglomerate and difficult to recycle, and is beneficial to the recycling of wastewater , to achieve the purpose of reducing pollutant emissions

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Preparation method of TiO2/iron-based MOF loaded functional fabric
  • Preparation method of TiO2/iron-based MOF loaded functional fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A loaded TiO 2 The preparation method of the functional fabric of / iron-based MOF, concrete steps are as follows:

[0029] Step 1: Add 2 mmol of trimesic acid to 10 mL of 1M sodium hydroxide, and use 40KHZ ultrasonic treatment for 10 minutes to adjust the pH to 7 to obtain solution A;

[0030] The second step: 0.2 g of nylon fabric and 10% of the weight of the fabric nano-TiO 2 Add to solution A, and use 40KHZ ultrasonic treatment for 10 min;

[0031] Step 3: Add 3 mmol of ferrous sulfate heptahydrate into 30 mL of distilled water, and use 40KHZ ultrasonic treatment for 5 min to obtain solution B;

[0032] Step 4: Add solution B dropwise to solution A soaked in nylon fabric at a rate of 50-60 drops / min, and shake and react at room temperature for 12 hours. After the reaction, take out the nylon fabric, wash it with water, and dry it. Get functional fabrics.

[0033] In order to investigate the adsorption effect of the prepared functional fabric on the dye, reactive b...

Embodiment 2

[0038] A loaded TiO 2 The preparation method of the functional fabric of / iron-based MOF, concrete steps are as follows:

[0039]Step 1: Add 3 mmol of trimesic acid to 15 mL of 1M sodium hydroxide, and use 40KHZ ultrasonic treatment for 10 minutes to adjust the pH to 6 to obtain solution A;

[0040] The second step: 0.3 g of nylon fabric and 30% of the weight of the fabric nano-TiO 2 Add to solution A, and use 40KHZ ultrasonic treatment for 20 min;

[0041] Step 3: Add 6 mmol of ferrous sulfate heptahydrate into 40 mL of distilled water, and use 40KHZ ultrasonic treatment for 5 min to obtain solution B;

[0042] Step 4: Add solution B dropwise to solution A soaked in nylon fabric at a rate of 50-60 drops / min, and shake and react at room temperature for 16 hours. After the reaction, take out the nylon fabric, wash it with water, and dry it. Get functional fabrics.

[0043] In order to investigate the adsorption effect of the prepared functional fabric on the dye, reactive bl...

Embodiment 3

[0048] A loaded TiO 2 The preparation method of the functional fabric of / iron-based MOF, concrete steps are as follows:

[0049] Step 1: Add 3 mmol of trimesic acid to 20 mL of 1M sodium hydroxide, use 40KHZ ultrasonic treatment for 10 minutes, adjust the pH to 8, and obtain solution A;

[0050] The second step: 0.4 g of nylon fabric and 20% of the weight of the fabric nano-TiO 2 Add to solution A, and use 40KHZ ultrasonic treatment for 20 min;

[0051] Step 3: Add 4 mmol of ferrous sulfate heptahydrate to 30 mL of distilled water, and use 40KHZ ultrasonic treatment for 5 min to obtain solution B;

[0052] Step 4: Add solution B dropwise to solution A soaked in nylon fabric at a rate of 50-60 drops / min, and shake and react at room temperature for 16 hours. After the reaction, take out the nylon fabric, wash it with water, and dry it. Get functional fabrics.

[0053] In order to investigate the adsorption effect of the prepared functional fabric on the dye, reactive black K...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a preparation method of TiO2 / iron-based MOF loaded functional fabric. The preparation method comprises the following steps: adding 2-4 mmol of trimesic acid into 10-25 mL of 1Msodium hydroxide, carrying out ultrasonic treatment for 10-20 minutes to dissolve the trimesic acid, regulating the pH value to obtain a solution A, adding 0.2-0.4 g of fabric and nano TiO2 accounting for 10%-30% of the weight of the fabric into the solution A, carrying out ultrasonic treatment for 10-20 minutes, and adding 3-6 mmol of ferrous sulfate into 30-40 mL of distilled water, carrying out ultrasonic treatment for 5-10 minutes to obtain a solution B, dropwise adding the solution B into the solution A in which the fabric is soaked, carrying out an oscillation reaction at room temperature for 12-16 hours, taking out the fabric after the reaction is finished, washing the fabric with water, and drying to obtain the functional fabric.

Description

technical field [0001] The invention relates to the technical field of functional fiber materials, in particular to a loaded TiO 2 Preparation method of functional fabric of iron-based MOF. Background technique [0002] In today's world, the scarcity of water resources has become one of the problems that people need to solve urgently. With the development of industry, a large amount of organic matter enters the water body, and the efficient treatment of organic matter has become a difficulty in the environmental field. The printing and dyeing industry is a large discharge of industrial wastewater. The total amount of sewage discharge is large, the pollution is heavy, the color is deep, the pH value changes greatly, and the treatment is difficult. In order to better reduce the impact of printing and dyeing wastewater on the environment, more efficient and environmentally friendly methods are needed to treat printing and dyeing wastewater. [0003] TiO 2 As a widely used se...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D06M11/46D06M15/37B01J20/22B01J20/28B01J20/30C02F1/28C02F1/30B01J31/22B01J31/38B01J21/06C02F101/30C02F103/30D06M101/34
CPCD06M11/46D06M15/37B01J20/226B01J20/28033C02F1/285C02F1/30B01J31/1691B01J31/1625B01J31/2239B01J21/063D06M2101/34C02F2101/308C02F2103/30C02F2305/10B01J2531/842B01J35/39
Inventor 王春梅王静娄娅娅徐康景顾振宇李龙飞
Owner NANTONG UNIVERSITY
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