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Method and device for preparing porous adsorption material by magnetic control nano motor cluster gel method

A technology of porous adsorption material and gel method, which is applied in the field of solid waste recycling and preparation of adsorption materials, can solve the problems of secondary pollution and poor effect, and achieves reduction of motion resistance, increase of specific surface area, and high thermal stability. Effect

Active Publication Date: 2021-04-30
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Smelting slag contains heavy metal ions such as iron, lead, and chromium. If metallurgical slag is directly used as an adsorption material, not only the effect is poor, but also secondary pollution will be caused.

Method used

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  • Method and device for preparing porous adsorption material by magnetic control nano motor cluster gel method

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Experimental program
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Effect test

Embodiment 1

[0037] Embodiment 1: The method for preparing high-quality adsorption materials by the cluster gel method of magnetic nanoparticles and smelting slag, the specific content is as follows:

[0038] 1. If figure 1 As shown, the device of the method for preparing the porous adsorption material by the magnetically controlled nanomotor cluster gel method comprises a Venturi nozzle 5, a condensation device 8, a reactor 10, a magnetic field generator 13, an alcohol-acid organic mixture reservoir 17, a mixed reaction Device I19, nitrogen bottle 22, mixing reactor II25, nitrogen bottle 22 is connected with the N on the mixing reactor II25 through the pressure control switch 23 2 The air inlet 27 is connected, and the top of the mixing reactor II25 has a feed inlet II21, and the mixing reactor II25 is respectively provided with agitators, and the mixing reactor II25 is connected with the feed inlet I4 of the Venturi nozzle 5 through a pump, and the Venturi nozzle The nozzle 5 is also pr...

Embodiment 2

[0043] Embodiment 2: The method for preparing high-quality adsorption materials by the cluster gel method of magnetic nanoparticles and smelting slag is as follows:

[0044] The device structure of this embodiment is the same as that of Embodiment 1;

[0045] When in use, 20nm magnetic ferroferric oxide nanoparticles are made into an aqueous dispersion with a mass concentration of 3%, and the aqueous dispersion of magnetic nanoparticles, ethanol, and concentrated ammonia water are fully mixed at a volume ratio of 1:6:0.3 to prepare Obtain the mixture, press the magnetic nano particle aqueous dispersion: tetraethyl orthosilicate volume ratio is the ratio of 20:1, the mixture is put into mixing reactor II 25, and N 2Pass into the reactor 25 from the air inlet 27 and purge for 10 minutes, then add tetraethyl orthosilicate in 3 times, and fully stir for 30 minutes each time to obtain a silicon-coated magnetic micro-nano particle solution; at the same time, an aluminum smelter The...

Embodiment 3

[0049] Embodiment 3: The method for preparing high-quality adsorption materials by the cluster gel method of magnetic nanoparticles and smelting slag is as follows:

[0050] The device structure of this embodiment is the same as that of Embodiment 1;

[0051] When in use, 10nm magnetic ferric ferric oxide nanoparticles are made into an aqueous dispersion with a mass concentration of 4%, and the magnetic nanoparticle aqueous dispersion, ethanol, and concentrated ammonia water are fully mixed in a volume ratio of 1:8:0.4 to prepare Obtain the mixture, press the magnetic nano particle aqueous dispersion liquid: tetraethyl orthosilicate volume ratio is the ratio of 30:1, the mixture is put into mixing reactor II 25, and N 2 Pass into the reactor 25 from the air inlet 27 and purge for 10 minutes, then add tetraethyl orthosilicate in 3 times, and fully stir for 30 minutes each time to obtain a silicon-coated magnetic micro-nano particle solution; at the same time, a copper smelter ...

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Abstract

The invention discloses a method for preparing a porous adsorption material by a magnetic control nano motor cluster gel method. The method comprises the following steps: adding an alcohol-acid organic mixture into 700-1500 DEG C smelting slag, sufficiently mixing and reacting, uniformly mixing the reaction solution and a silicon-coated magnetic micro-nano particle solution after the reaction is completed, adding the mixture into a surfactant solution, and in the presence of a magnetic field, reacting for 0.5-24 hours at the temperature of 80-180 DEG C, aging for 16-24 hours from the room temperature to 30 DEG C, collecting solids, heating and drying to obtain the porous adsorption material. The method overcomes the problems of low utilization rate of slag, single function of preparing the adsorption material and low adsorption capacity at present, realizes maximum utilization of solid waste resources, and has good environmental benefits, social benefits and economic benefits.

Description

technical field [0001] The invention discloses a method for preparing a high-quality porous adsorption material with a magnetic nanomotor and smelting slag, and belongs to the technical field of preparing the adsorption material through resource utilization of solid waste. Background technique [0002] Blast furnace slag is one of the main by-products produced in the blast furnace smelting process, and its main components are CaO, SiO 2 , MgO and Al 2 o 3 , and a small amount of FeO, MnO, Na 2 O, K 2 O and S, etc., TiO also exists in the smelting process of some special ores 2 , V 2 o 5 Wait. About 350kg of blast furnace slag is discharged into the environment for every ton of pig iron smelted. The discharge temperature is generally around 1450°C. The sensible heat contained in each ton of blast furnace slag is about 1.7GJ, and its calorific value is equivalent to 58kg of standard coal, which belongs to high Quality waste heat resource. Blast furnace slag not only c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/22B01J20/28B01J20/30
CPCB01J20/223B01J20/28009B01J20/28011B01J2220/4893
Inventor 瞿广飞杨灿王芳任远川孙楝凯李志顺成
Owner KUNMING UNIV OF SCI & TECH
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