A cobalt oxide/sio 2 Preparation method and application of composite omentum

A cobalt oxide, omentum technology, applied in the field of nano-functional omentum material preparation technology, can solve the problems of inability to simultaneously realize dual functions of oil-water separation and antibiotic catalytic degradation, complex equipment requirements, single functionalization, etc. The effect of dual functions of oil-water separation, single experimental equipment and simple operation method

Active Publication Date: 2021-08-03
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Based on the traditional oil-water separation method, there are disadvantages such as long time-consuming, high energy consumption, complex equipment requirements, etc., and the single function makes it impossible to realize the dual functions of oil-water separation and antibiotic catalytic degradation at the same time. To explore and develop a more effective simultaneous dual-function material is of great importance

Method used

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  • A cobalt oxide/sio <sub>2</sub> Preparation method and application of composite omentum
  • A cobalt oxide/sio <sub>2</sub> Preparation method and application of composite omentum
  • A cobalt oxide/sio <sub>2</sub> Preparation method and application of composite omentum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) dissolving cobalt chloride in ethanol solution to obtain a cobalt chloride ethanol solution with a mass percent concentration of 1%; ultrasonically vibrating for subsequent use;

[0032] (2) Dissolving tetraethyl orthosilicate in ethanol solution to obtain tetraethyl orthosilicate ethanol solution with a concentration of 1% by mass; ultrasonically oscillate for subsequent use;

[0033] (3) After cutting the stainless steel mesh, put it into acetone and ethanol solution for ultrasonic treatment for 25 minutes;

[0034] (4) Immerse the stainless steel mesh treated in step (3) in the tetraethyl orthosilicate ethanol solution prepared in step (2) for 1 min, then take out the stainless steel mesh and burn it with an alcohol blowtorch for 40 seconds;

[0035] (5) Immerse the stainless steel net treated in step (4) in the cobalt chloride ethanol solution configured in step (1) for 1 min, then take out the stainless steel net and burn it for 40 seconds to obtain cobalt oxid...

Embodiment 2

[0038] (1) Cobalt chloride is dissolved in ethanol solution to obtain a cobalt chloride ethanol solution with a mass percentage concentration of 1.5%; ultrasonic vibration is used for subsequent use;

[0039] (2) Dissolving tetraethyl orthosilicate in ethanol solution to obtain a tetraethyl orthosilicate ethanol solution with a concentration of 3% by mass; ultrasonically vibrate and set aside;

[0040] (3) After cutting the stainless steel mesh, put it into acetone and ethanol solution for ultrasonic treatment for 20 minutes;

[0041] (4) Immerse the stainless steel net treated in step (3) in the tetraethyl orthosilicate ethanol solution configured in step (2) for 40 seconds, then take out the stainless steel net and burn it for 50 seconds;

[0042] (5) Immerse the stainless steel net treated in step (4) in the cobalt chloride ethanol solution configured in step (1) for 40s, then take out the stainless steel net and burn it with an alcohol blowtorch for 50s to obtain cobalt ox...

Embodiment 3

[0045] (1) Cobalt chloride is dissolved in ethanol solution to obtain a cobalt chloride ethanol solution with a mass percentage concentration of 3%; ultrasonic vibration is used for subsequent use;

[0046] (2) Dissolving tetraethyl orthosilicate in ethanol solution to obtain tetraethyl orthosilicate ethanol solution with a concentration of 8% by mass; ultrasonically oscillate for subsequent use;

[0047] (3) After cutting the stainless steel mesh, put it into acetone and ethanol solution for ultrasonic treatment for 30 minutes;

[0048] (4) Immerse the stainless steel net treated in step (3) in the tetraethyl orthosilicate ethanol solution configured in step (2) for 30 seconds, then take out the stainless steel net and burn it for 40 seconds;

[0049] (5) Immerse the stainless steel mesh treated in step (4) in the cobalt chloride ethanol solution configured in step (1) for 30s, then take out the stainless steel mesh and burn it with an alcohol blowtorch for 40s to obtain coba...

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Abstract

The invention belongs to the technical field of preparation technology of nanometer functional omentum material, and specifically relates to a preparation method and application of a cobalt oxide / SiO2 composite omentum; specific steps: dissolving cobalt chloride in ethanol solution to obtain cobalt chloride ethanol solution ; Ultrasonic oscillation; Dissolve tetraethyl orthosilicate in ethanol solution to obtain tetraethyl orthosilicate ethanol solution; The stainless steel net that has passed is immersed in the tetraethyl orthosilicate ethanol solution of the step, and the stainless steel net is taken out for combustion; then immersed in the cobalt chloride ethanol solution, and then the stainless steel net is taken out for combustion to obtain cobalt oxide / SiO2 Composite omentum. The preparation method of the invention is simple and easy to operate, has a short flow process and is easy to control, and is suitable for popularization and use.

Description

technical field [0001] The invention belongs to the technical field of nano-functional omentum material preparation technology, and specifically relates to a cobalt oxide / SiO 2 Preparation method and application of composite omentum. Background technique [0002] In recent years, oil spill accidents have occurred frequently, and oily wastewater has been discharged randomly in human production and life, and contains a variety of refractory antibiotics, which has caused serious pollution to the environment and threatened human health. Clean water resources play a vital role in maintaining human life and the sustainable development of society. However, with the rapid growth of population and the rapid development of industry, water pollution is becoming more and more serious. Among them, insoluble organic matter and soluble organic matter are two main types of pollution sources. Therefore, it is of great significance to find an efficient oil-water separation method to treat s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/58C02F1/40B01J23/75B01D17/022C02F101/30
CPCB01D17/02B01J23/75C02F1/40C02F1/58C02F2101/308
Inventor 葛文娜戴江栋谢阿田张瑞龙闫永胜周志平
Owner JIANGSU UNIV
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