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Method used for synthesis of 3D skeleton@MOFs water processor taking 3D skeleton as metal source

A water treatment and skeleton technology, applied in water/sewage treatment, chemical instruments and methods, adsorption water/sewage treatment, etc., can solve problems such as complicated operation and heavy metal pollution, and achieve the effect of solving pollution problems and good adsorption effect.

Active Publication Date: 2019-09-17
FUJIAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the usual method of in situ growth of MOFs on 3D printed skeletons is to add metal salts to provide metal ions, which is relatively complicated to operate and may cause heavy metal pollution.

Method used

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  • Method used for synthesis of 3D skeleton@MOFs water processor taking 3D skeleton as metal source
  • Method used for synthesis of 3D skeleton@MOFs water processor taking 3D skeleton as metal source
  • Method used for synthesis of 3D skeleton@MOFs water processor taking 3D skeleton as metal source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) According to 7kgABS, 3kgTPU, 2kgCaSiO 3 After mixing, it is granulated by screw melt extrusion and melt blending. The parameters of the twin-screw extruder are: 130°C in zone 1, 145°C in zone 2, 160°C in zone 3, 185°C in zone 4, 200°C in zone 5, and 200°C in zone 6. 210°C, 205°C in the seventh zone, 205°C in the eighth zone, 200°C in the ninth zone, 190°C at the die head, 200 rpm, extruded and granulated to obtain wire masterbatch; add 10.0 kg of wire masterbatch to single-screw extrusion Processing in the machine, the parameters of the single-screw extruder are: zone 1 200°C, zone 2 210°C, zone 3 205°C, zone 4 200°C, the speed is 50 rpm, the extruded silk is cooled by water, pulled and controlled by a tractor The wire diameter of the wire is obtained to obtain the 3D printing wire, and the specific 3D printing device is made (see figure 1 ABS / TPU / CaSiO on the left 3 Sample picture, electron microscope picture see figure 2 ABS / TPU / CaSiO on the left 3 electron m...

Embodiment 2

[0038] (1) According to 7kgABS, 3kgTPU, 2kgCaCO 3After mixing, it is granulated by screw melt extrusion and melt blending. The parameters of the twin-screw extruder are: 130°C in zone 1, 145°C in zone 2, 160°C in zone 3, 185°C in zone 4, 200°C in zone 5, and 200°C in zone 6. 210°C, 205°C in the seventh zone, 205°C in the eighth zone, 200°C in the ninth zone, 190°C die head, 200 rpm, extruded and granulated to obtain wire masterbatch; add 10.0kg wire masterbatch to single-screw extrusion Processing in the machine, the parameters of the single-screw extruder are: zone 1 200°C, zone 2 210°C, zone 3 205°C, zone 4 200°C, the speed is 50 rpm, the extruded silk is cooled by water, pulled and controlled by a tractor The wire diameter of the wire is obtained to obtain a 3D printing wire and make a specific 3D printing device;

[0039] (2) Place the 3D printed device in acetone and etch for 5 minutes;

[0040] (3) Dissolve 0.75g of 2,5-dihydroxy-1,4-benzoquinone in 50mL of water and s...

Embodiment 3

[0044] (1) According to 7kgABS, 3kgTPU, 2kgCaSiO 3 After mixing, it is granulated by screw melt extrusion and melt blending. The parameters of the twin-screw extruder are: 130°C in zone 1, 145°C in zone 2, 160°C in zone 3, 185°C in zone 4, 200°C in zone 5, and 200°C in zone 6. 210°C, 205°C in the seventh zone, 205°C in the eighth zone, 200°C in the ninth zone, 190°C at the die head, 200 rpm, extruded and granulated to obtain wire masterbatch; add 10.0 kg of wire masterbatch to single-screw extrusion Processing in the machine, the parameters of the single-screw extruder are: zone 1 200°C, zone 2 210°C, zone 3 205°C, zone 4 200°C, the speed is 50 rpm, the extruded silk is cooled by water, pulled and controlled by a tractor The wire diameter of the wire is obtained to obtain a 3D printing wire and make a specific 3D printing device;

[0045] (2) Place the 3D printed device in acetone and etch for 5 minutes;

[0046] (3) Immerse the etched 3D printed device in distilled water fo...

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PUM

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Abstract

The invention discloses a method used for synthesis of a 3D skeleton@MOFs water processor taking a 3D skeleton as a metal source. According to the method, a metal source and plastic particles are subjected to double-screw melt blending, and are processed using a drawing machine so as to obtain metal salt-containing 3D printing wires; the prepared metal element containing 3D printing part is subjected to etching, and in-situ growth of mofs on the surface is carried out. The method is simple and convenient; the metal source is fixedly arranged in the 3D printing part, adding of metal solution is not needed, so that possible heavy metal pollution is avoided; the prepared 3D skeleton@MOFs water processor is excellent in adsorption performance, and can be used for processing of pollutants in the air, soil, and water.

Description

technical field [0001] The invention belongs to the technical field of environmental treatment, and in particular relates to a method for synthesizing a 3D framework@MOFs water treatment device using a 3D framework as a metal source. Background technique [0002] With the acceleration of industrialization, the problems of energy shortage and environmental pollution have become increasingly prominent. Water pollution has always been a serious environmental problem. Even trace amounts of heavy metals, dyes, and drugs in water are extremely harmful to the human body. Among the many existing water treatment technologies, adsorption is one of the simplest, most cost-effective methods. At present, researchers have developed many new adsorption materials, such as biosorbents, polymers, metal oxides, nanomaterials, and chemically modified adsorbents. Most of these high-efficiency adsorbents are mostly powder or granules, which increases the difficulty of recovery. Factors such as...

Claims

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Application Information

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IPC IPC(8): C02F1/28
CPCC02F1/285
Inventor 肖荔人刘祯夏新曙李薇黄宝铨杨裕金陈庆华钱庆荣
Owner FUJIAN NORMAL UNIV
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