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Method for adsorbing and treating antibiotics in water body by utilizing three-dimensional metal organic framework/aerogel composite material

A metal-organic framework and composite material technology, applied in the field of antibiotic wastewater treatment, can solve the problems of poor recovery performance, poor carrier loading performance, and limited application

Pending Publication Date: 2021-06-08
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, powdered MOFs are prone to spontaneous agglomeration and stacking, material loss, and poor recycling performance during use, which greatly limits their further application in the field of water treatment.
In recent years, composite materials combined with MOFs and carriers have received extensive attention. However, the preparation process of many MOFs composites is relatively complicated, the carrier has poor loading performance, and the loaded materials are easy to fall off, and the performance of the obtained MOFs composites is obviously weakened.

Method used

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  • Method for adsorbing and treating antibiotics in water body by utilizing three-dimensional metal organic framework/aerogel composite material
  • Method for adsorbing and treating antibiotics in water body by utilizing three-dimensional metal organic framework/aerogel composite material
  • Method for adsorbing and treating antibiotics in water body by utilizing three-dimensional metal organic framework/aerogel composite material

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Experimental program
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Effect test

Embodiment 1

[0038] A method for using a three-dimensional metal-organic framework / aerogel composite material to adsorb and treat antibiotics in water, specifically using a three-dimensional metal-organic framework / aerogel composite material to adsorb tetracycline hydrochloride in water, comprising the following steps:

[0039] Take 1 part of three-dimensional metal-organic framework / aerogel composite material, add it to 100mL tetracycline hydrochloride solution with a concentration of 30mg / L, mix and disperse evenly, shake at a speed of 150r / min, and absorb for 3h to complete the reaction of hydrochloric acid. Adsorption treatment of tetracycline.

[0040] After the shaking adsorption is completed, take 4mL sample and centrifuge the sample. The supernatant obtained by centrifugation was taken to measure the absorbance by a UV-Vis spectrophotometer to determine the concentration of the remaining antibiotics after adsorption, so as to obtain the adsorption effect of the foamed and non-foame...

Embodiment 2

[0057] A method for using a three-dimensional metal-organic framework / aerogel composite material to adsorb and treat antibiotics in water, specifically using a three-dimensional metal-organic framework / aerogel composite material to adsorb tetracycline hydrochloride in water, comprising the following steps:

[0058] Get the three-dimensional metal-organic framework / aerogel composite material (ZIF-L / FGA in 9 parts of embodiment 1 200 ), respectively added to the tetracycline hydrochloride solution with a pH value of 3, 4, 5, 6, 7, 8, 9, 10, 11, wherein the volume of tetracycline hydrochloride solution is 100mL, and the concentration is 30mg / L. Under the condition of 150r / min, shake and adsorb for 2h to complete the adsorption treatment of tetracycline hydrochloride.

[0059] After the shaking adsorption is finished, take 4mL sample and centrifuge the sample. Take the supernatant obtained by centrifugation and measure the absorbance by a UV-visible spectrophotometer to determine...

Embodiment 3

[0062] A method for using a three-dimensional metal-organic framework / aerogel composite material to adsorb and treat antibiotics in water, specifically using a three-dimensional metal-organic framework / aerogel composite material to adsorb tetracycline hydrochloride in water, comprising the following steps:

[0063] Get the three-dimensional metal-organic framework / airgel composite material (ZIF-L / FGA in 5 parts of embodiment 1 200 ), respectively added to the concentration of 20mg / L, 30mg / L, 50mg / L, 70mg / L, 100mg / L tetracycline hydrochloride solution, wherein the volume of tetracycline hydrochloride solution is 1000mL, in the condition of 150r / min Under vibration and adsorption for 3 hours, the adsorption treatment of tetracycline hydrochloride was completed.

[0064] After the shaking adsorption is finished, take 4mL sample and centrifuge the sample. Take the supernatant obtained by centrifugation and measure the absorbance by a UV-visible spectrophotometer to determine the ...

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Abstract

The invention discloses a method for adsorbing and treating antibiotics in a water body by using a three-dimensional metal organic framework / aerogel composite material, which comprises the steps of mixing the three-dimensional metal organic framework / aerogel composite material with antibiotic wastewater for contact adsorption to finish adsorption removal of the antibiotic wastewater, wherein the three-dimensional metal organic framework / aerogel composite material comprises ZIF-L and gelatin aerogel, and the ZIF-L is loaded on a gelatin aerogel substrate. The three-dimensional metal organic framework / aerogel composite material disclosed by the invention can realize efficient adsorption removal of antibiotic wastewater under static and dynamic conditions, and the method is simple in treatment process, convenient to operate, relatively low in treatment cost, good in adsorption removal effect, high in efficiency and good in material reusability, and has relatively high application potential and commercial prospect in practical application as a treatment method capable of being commonly used and efficiently adsorbing and removing antibiotics.

Description

technical field [0001] The invention belongs to the field of antibiotic wastewater treatment, and relates to a method for adsorbing and treating antibiotics in water, in particular to a method for using a three-dimensional metal organic framework / aerogel composite material to adsorb and treat antibiotics in water. Background technique [0002] Antibiotics are widely used in the treatment and prevention of human and animal diseases. However, the large-scale production of antibiotics and the inadequate management of their use have resulted in the abuse of antibiotics in daily life and production. A large number of antibiotics have entered the water environment, inducing the generation of resistance genes and promoting their spread among strains, bringing various environmental problems and health risks. The high concentration and long-term residue of antibiotics interfere with the stability of the ecosystem, and the growth and reproduction of organisms exposed to antibiotics i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/22B01J20/28B01J20/30C02F1/28C02F101/30C02F101/38
CPCB01J20/226C02F1/285B01J20/30B01J20/0244C02F2101/30C02F2101/38
Inventor 彭海豪杨朝晖熊炜平
Owner HUNAN UNIV
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