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Method for preparing VOCs catalytic combustion catalyst

A catalytic combustion and catalyst technology, applied in the direction of physical/chemical process catalysts, molecular sieve catalysts, chemical instruments and methods, etc., can solve the problem of low loading capacity, achieve large loading capacity, facilitate catalytic activity and stability, and evenly distribute Effect

Active Publication Date: 2016-11-02
南京朗科环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual operation process, it is found that its load is less, and the metal oxides formed are rarely able to form composite metal oxides with excellent catalytic properties, such as spinel type, perovskite type, solid solution

Method used

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  • Method for preparing VOCs catalytic combustion catalyst
  • Method for preparing VOCs catalytic combustion catalyst
  • Method for preparing VOCs catalytic combustion catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for preparing VOCs catalytic combustion catalyst, comprising the following steps:

[0022] ⑴ 2mmol Cu(CH 3 COO) 2 ·H 2 O was dissolved in 10 mL of distilled water, and solution A was obtained after stirring for 10 minutes. 1 mmol of terephthalic acid was dissolved in 10 mL of N,N-dimethylformamide, and solution B was obtained after stirring for 10 minutes. Add solution B to solution A with constant stirring.

[0023] (2) Put 2g of commercial cordierite carrier into the mixed solution, and heat in a water bath at 50°C for 4 hours. After standing for 10 hours, the material Cu-MOF / cordierite was formed.

[0024] (3) Add 5mmol Mn(NO 3 ) 2 Solution C was prepared by dissolving in 15 mL of distilled water. And (2) the prepared material was washed with N,N-dimethylformamide and distilled water, and then put into a drying oven to dry for 10 hours at 60°C. After drying, put into solution C for loading.

[0025] (4) aging the material prepared in step (3) for 1...

Embodiment 2

[0029] A method for preparing VOCs catalytic combustion catalyst, comprising the following steps:

[0030] ⑴ Add 1mmol Ni(NO 3 ) 2 ·6H 2 Solution A was obtained after O was dissolved in 10 mL of distilled water and stirred for 10 minutes. Dissolve 1 mmol of trimesic acid in 10 mL of N,N-dimethylformamide, and stir for 10 minutes to obtain solution B. Add solution B to solution A with constant stirring.

[0031] (2) Put 2g of commercial cordierite carrier into the mixed solution, and heat in a water bath at 50°C for 4 hours. After standing for 10 hours, the material Ni-MOF / cordierite was formed.

[0032] (3) Add 5mmol Mn(NO 3 ) 2 Sol C was prepared by dissolving in 15 mL of distilled water, adding 1 mmol of citric acid and heating in a water bath at 60°C for 3 hours. And (2) the prepared material was washed with ethanol and distilled water, and then put into a drying oven to dry for 10 hours at 60°C. After drying, put into sol C for loading.

[0033] (4) Aging the mat...

Embodiment 3

[0037] A method for preparing VOCs catalytic combustion catalyst, comprising the following steps:

[0038] ⑴ Add 1mmol Ni(NO 3 ) 2 ·6H 2 Solution A was obtained after O was dissolved in 10 mL of distilled water and stirred for 10 minutes. 1 mmol of 2-methylimidazole was dissolved in 10 mL of absolute ethanol, and solution B was obtained after stirring for 10 minutes. Add solution B to solution A with constant stirring.

[0039] (2) Take 2g commercial γ-Al 2 o 3 The carrier was put into the mixed solution, and heated in a water bath at 50° C. for 4 hours. After standing for 10 hours, the material Ni-MOF / cordierite was formed.

[0040] (3) Add 5mmol Ni(NO 3 ) 2 ·6H 2 Solution C was prepared by dissolving O in 15 mL of distilled water. And (2) the prepared material was washed with ethanol and distilled water, and then put into a drying oven to dry for 10 hours at 60°C. After drying, put into solution C for loading.

[0041] (4) Aging the material prepared in step (3) f...

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Abstract

A method for preparing a VOCs catalytic combustion catalyst comprises the following steps: preparing a solution A containing at least one metal compound, preparing a solution B contain organic ligand, adding the solution B to the solution A, and stirring the solution B and the solution A to obtain a mixed solution, wherein the organic ligand is at least one of carboxylic acid or imidazole organic matters; putting a carrier in the mixed solution, and carrying out 50-200DEG C constant temperature impregnation for 2-8h to obtain an MOF / carrier material; preparing a solution C containing at least one metal compound, and loading the treated MOF / carrier material in the solution C to carry out loading; ageing the above prepared material for 12h, drying the aged material at 60-100DEG C for 3-5h, and roasting the dried material in 500-800DEG C air for 4-8h; and washing the roasted material with distilled water or deionized water, and drying the washed material at 60-110DEG C for 8-24h to obtain the metal oxide catalyst.

Description

technical field [0001] The invention belongs to the field of preparation of VOCs catalytic combustion catalysts, and in particular relates to a method for preparing nanoscale metal oxide catalysts. Background technique [0002] In recent years, volatile organic compounds (volatile organic compounds, referred to as VOCs) have become one of the main sources of air pollutants. Its sources are very extensive. A large number of VOCs are produced in the production process of petroleum processing, paint, leather synthesis, electronics, printing, baking varnish, pharmaceuticals, automobile exhaust and other industries, and most of them have pungent odor, teratogenic, carcinogenic, and mutagenic effects. It is harmful to the atmospheric environment, animal and plant growth and human health. However, according to statistics, at present, the annual emission of VOCs reaches tens of millions of tons, causing national economic losses of up to hundreds of billions of dollars. Therefore, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/755B01J23/889B01J29/00
CPCB01J23/755B01J23/8892B01J29/00B01J2523/00B01J2229/18B01J2523/17B01J2523/72B01J2523/3712
Inventor 陈英文邓磊黄超沈树宝祝社民
Owner 南京朗科环保科技有限公司
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