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Quinine-modified basalt fiber carrier and preparation method and application thereof

A basalt fiber and carrier technology, applied in fiber treatment, chemical instruments and methods, textiles and papermaking, etc., can solve the problems of quinone compound effluent loss and secondary pollution, so as to promote anaerobic biotransformation rate and solve secondary pollution. Contamination, effect of improving biocompatibility

Active Publication Date: 2019-12-13
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the objectives of the present invention is to provide a method for preparing a quinone-modified basalt fiber carrier in view of the deficiencies in the prior art, and to solve the technical problem that quinone compounds, as redox mediators, are easily lost with the effluent and cause secondary pollution

Method used

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  • Quinine-modified basalt fiber carrier and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Pretreatment: first place the basalt fiber in a Soxhlet extractor, extract it with acetone for 12 hours, then soak it in distilled water for 3 times, each time for 30 minutes, to remove surface impurities, then dry it in an oven at 80°C for 3.5 hours, and then Cool in a desiccator; finally place the basalt fiber in H 2 SO 4 / H 2 o 2 (v / v=7:3) in the mixed solution, after reacting at 90°C for 1 hour, washing and drying;

[0027] Amino functionalization: Add 5mg of nano-silica, 20ml of 20% γ-aminopropyltriethoxysilane into a 50ml three-neck flask, stir in a water bath at 45°C for 30min to obtain a mixed solution; mix the mixed solution and pretreatment The basalt fiber is placed in an ultrasonic instrument and ultrasonicated for 1 hour, and dried at 105°C to make nano-silica adhere to the surface of the basalt fiber, and γ-aminopropyltriethoxysilane is condensed on the surface of the basalt fiber to form a coupling agent After the reaction, the basalt fiber was taken ...

Embodiment 2

[0030] Pretreatment: first place the basalt fiber in a Soxhlet extractor, extract it with acetone for 12 hours, then soak it in distilled water for 4 times, 20 minutes each time, to remove surface impurities, then dry it in an oven at 75°C for 4 hours, and then put it in Cool in a desiccator; finally place the basalt fiber in H 2 SO 4 / H 2 o 2 (v / v=7:3) in the mixed solution, after reacting at 80°C for 1 hour, washing and drying;

[0031] Amino functionalization: add 8mg of nano-silica, 25ml of 20% γ-aminopropyltriethoxysilane into a 50ml three-neck flask, stir in a water bath at 40°C for 40min to obtain a mixed solution; mix the mixed solution and pretreatment The basalt fiber is placed in an ultrasonic instrument and ultrasonicated for 1 hour, then dried at 100°C to make nano-silica adhere to the surface of the basalt fiber, and γ-aminopropyltriethoxysilane is condensed on the surface of the basalt fiber to form a coupling agent After the reaction, the basalt fiber was t...

Embodiment 3

[0034] Pretreatment: first place the basalt fiber in a Soxhlet extractor, extract it with acetone for 12 hours, then soak it in distilled water for 5 times, 20 minutes each time, to remove surface impurities, then dry it in an oven at 90°C for 3 hours, and then place it in Cool in a desiccator; finally place the basalt fiber in H 2 SO 4 / H 2 o 2 (v / v=7:3) in the mixed solution, after reacting at 100°C for 1 hour, washing and drying;

[0035] Amino functionalization: add 15mg of nano-silica, 30ml of 20% γ-aminopropyltriethoxysilane into a 50ml three-neck flask, stir in a water bath at 50°C for 20min to obtain a mixed solution; mix the mixed solution and pretreatment The basalt fiber is placed in an ultrasonic instrument and ultrasonicated for 1 hour, then dried at 110°C to make nano-silica adhere to the surface of the basalt fiber, and γ-aminopropyltriethoxysilane is condensed on the surface of the basalt fiber to form a coupling agent After the reaction, the basalt fiber w...

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Abstract

The invention belongs to the field of sewage treatment, and particularly relates to a preparation method of a quinine-modified basalt fiber carrier. The preparation method comprises the steps that a basalt fiber is extracted with acetone, then soaked in distilled water, dried and cooled, placed in a H2SO4 / H2O2 mixed solution for a reaction, washed and dried; nano silica and a silane coupling agentcontaining amino groups are mixed and placed in a water bath for stirring to obtain a mixed solution, the mixed solution and the pretreated basalt fiber are subjected to ultrasonic treatment, dried,taken out, alternately flushed with acetone and distilled water, and dried to obtain an amino-functionalized basalt fiber carrier; a NaOH solution and an anthraquinone compound solution containing a sulfonyl chloride group are dropwise added in the amino-functionalized basalt fiber carrier, are subjected to constant-temperature oscillation and are taken out, washed with dichloromethane, ethyl alcohol and distilled water in sequence, and dried to obtain the quinine-modified basalt fiber carrier. Compared with the prior art, the preparation method of the quinine-modified basalt fiber carrier solves the problem of secondary pollution caused by the fact that quinonoids as redox mediators are easily lost along with effluents.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and in particular relates to a quinone-modified basalt fiber carrier and a preparation method and application thereof. Background technique [0002] Basalt fibers are mainly composed of SiO 2 、Al 2 o 3 , CaO, Fe x o y , MgO, TiO 2 And other components, the diameter is generally 7 ~ 13μm. Basalt continuous fiber has high mechanical strength, and has various excellent properties such as corrosion resistance and high temperature resistance. In addition, the production process of basalt fiber determines the generation of less waste and less environmental pollution, and the product can be directly degraded in the environment after being discarded without any harm. It is a green and environmentally friendly material. my country has listed basalt fiber as one of the four major fibers for key development, and it has been applied in fiber-reinforced composite materials, friction materials,...

Claims

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Application Information

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IPC IPC(8): D06M11/79D06M13/513D06M13/256D06M11/50D06M11/55C02F3/28C02F101/22C02F101/16
CPCD06M11/79D06M13/513D06M13/256D06M11/50D06M11/55C02F3/28C02F2101/22C02F2101/16
Inventor 赵迎新刘朵
Owner TIANJIN UNIV
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