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Adsorption material for treating dye sewage and preparation method thereof adsorption material

A technology of adsorption materials and dyes, applied in chemical instruments and methods, adsorption water/sewage treatment, other chemical processes, etc., can solve the problems of failure to completely improve the diffusion rate of methylene blue and limited methylene blue adsorption capacity, and achieve improved adsorption removal Efficiency, reduced processing time, enhanced skeleton stability

Active Publication Date: 2019-06-14
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the composite material did not improve the poor water resistance and stability of MOF-5 metal-organic framework materials, and the formation of a small amount of mesoporous structure did not completely improve the diffusion rate of methylene blue, that is, the adsorption of phosphotungstic acid / MOF-5 composite materials on methylene blue limited capacity

Method used

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  • Adsorption material for treating dye sewage and preparation method thereof adsorption material
  • Adsorption material for treating dye sewage and preparation method thereof adsorption material
  • Adsorption material for treating dye sewage and preparation method thereof adsorption material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 5 g of copper nitrate trihydrate and 2.5 g of trimesic acid were dissolved in 150 g of N,N-dimethylformamide, stirred at 60° C. and 300 rpm for 4 h to obtain mixture A. 0.25g of titanium tetrachloride and 0.125g of terephthalic acid were dissolved in 7.5g of N,N-dimethylformamide, stirred at 60°C and 300rpm for 4h to obtain mixture B. The above two solutions were mixed, poured into a stainless steel reaction kettle lined with polytetrafluoroethylene, sealed and heated at 115°C for 20h. After cooling to room temperature, the product in the kettle was taken out, and vacuum-dried for 12 hours at a vacuum degree of 120 Pa and 130°C.

[0032] Weigh 1 g of the dried product and put it in 50 g of methanol, activate it at 25° C. for 16 h, and then dry it after activation. The drying temperature is 100° C. and the drying time is 8 h to obtain the adsorption material.

Embodiment 2

[0034] Same as in Example 1, the difference is that copper nitrate trihydrate is replaced by copper sulfate pentahydrate, and other reaction conditions and material composition remain unchanged to obtain an adsorption material.

Embodiment 3

[0036] Same as Example 1, except that copper nitrate trihydrate is replaced by copper chloride dihydrate, and other reaction conditions and material composition remain unchanged to obtain an adsorption material.

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Abstract

The invention relates to an adsorption material for treating dye sewage and a preparation method of the adsorption material. The preparation method comprises the following steps: putting a copper saltand an organic ligand into an organic solvent, and conducting stirring to obtain a mixture A; putting a non-copper metal salt and an organic ligand into an organic solvent, and conducting stirring toobtain a mixture B; mixing the mixture A and the mixture B, conducting sealing, carrying out heating treatment and cooling, taking the processed material out, and carrying out vacuum drying; and activating the dried material in an organic solvent, and conducting drying to obtain the adsorption material. A non-copper-based metal organic framework material in the adsorption material uniformly growson a copper-based metal organic framework material, and the non-copper-based metal organic framework material and the copper-based metal organic framework material are interwoven in a coordination process, so that the framework stability is enhanced, and the loss of metal ions is avoided.

Description

technical field [0001] The invention belongs to the field of material preparation, and in particular relates to an adsorption material for treating dye sewage and a preparation method thereof. Background technique [0002] my country has become the world's largest dyestuff producer, with an annual dyestuff output of 150,000 tons, and the environmental hazards are very serious. With the increasingly complex structure of dyes, the process of sewage treatment containing dyes also tends to be complicated. Adsorption treatment of dye wastewater is one of the commonly used methods in industry. It can selectively adsorb dye molecules, especially for refractory dye wastewater, and the decolorization effect is obvious. Adsorbent is one of the technical cores of adsorption treatment of dye wastewater. Traditional adsorbents mainly include diatomaceous earth, coke, activated carbon, cellulose, resin and zeolite, etc. These adsorbents generally have low adsorption capacity, no selectiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/22B01J20/28B01J20/30C02F1/28
Inventor 赵亮王刚方向晨
Owner CHINA PETROLEUM & CHEM CORP
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