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Silanized molecular sieve rhodamine B adsorbent and preparation method thereof

A molecular sieve and adsorbent technology, applied in the field of molecular sieve materials and its preparation, can solve the problems of high energy consumption, secondary pollution, incomplete degradation, etc., and achieve the effects of saving organic solvents, increasing costs, and simplifying the preparation process

Inactive Publication Date: 2012-08-29
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In recent years, with the development of modern industry, the impact of organic wastewater on the environment has become more and more serious, but traditional organic wastewater treatment methods often consume a lot of energy, degrade incompletely, and sometimes even cause secondary pollution

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  • Silanized molecular sieve rhodamine B adsorbent and preparation method thereof
  • Silanized molecular sieve rhodamine B adsorbent and preparation method thereof
  • Silanized molecular sieve rhodamine B adsorbent and preparation method thereof

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Embodiment 1

[0026] The SBA-15 molecular sieve used in the present invention is a regular hexagonal cake-shaped molecular sieve with a diameter of 500-600nm and an average pore diameter of 4.51nm.

[0027] A preparation method of a silanized molecular sieve rhodamine B adsorbent, the steps of which are completed in two steps:

[0028] (1) Activation process of SBA-15 molecular sieve

[0029] SBA-15 in 1mol L -1 Activate and reflux in hydrochloric acid aqueous solution for 12 hours, wash with deionized water until neutral, and dry in vacuum for 8 hours to obtain the activated SBA-15 material, store it in a desiccator, and dry it in vacuum at 40°C for 12 hours.

[0030] (2) Preparation of silanized molecular sieve functionalized rhodamine B adsorbent

[0031] Disperse 1g of SBA-15 material after activation in 25ml of N,N-dimethylformamide, add 2ml of 3-(methacryloyloxy)propyltrimethoxysilane (MPTMS) (see figure 2 ). Under constant stirring, 1ml of ammonia water was slowly added, and und...

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Abstract

The invention discloses a silanized molecular sieve functionalized rhodamine B adsorbent with a structural formula. A preparation method of the silanized molecular sieve functionalized rhodamine B adsorbent comprises the steps of: initiating through ammonia water; stirring at room temperature for 24h by taking N,N-dimethyl formamide as a solvent; importing silane coupling agent 3-( methacryloxy) propyl trimethoxysilane on the surface of SBA-15 inner cavity; orderly carrying out washing and filtering by using N,N-dimethyl formamide, acetone, methanol and deionized water; and carrying out vacuum drying at 100 DEG C to obtain a rhodamine B adsorption material. In the invention, the preparation process is simple and an ammonia water initiation synthesis method is adopted so that the reaction time is saved and the organic solvent is saved; and the prepared separation material is novel in structure and flexible for application and can be used for adsorbing rhodamine B.

Description

technical field [0001] The invention relates to a molecular sieve material and a preparation method thereof, in particular to a novel silanized molecular sieve rhodamine B adsorption material, and a preparation method of a novel degradation material capable of not inactivating biological macromolecules during the degradation process. Background technique [0002] In recent years, with the development of modern industry, the impact of organic wastewater on the environment has become more and more serious, but traditional organic wastewater treatment methods often consume a lot of energy, degrade incompletely, and sometimes even cause secondary pollution. As a new type of adsorbent with both adsorption and biodegradation functions, the new rhodamine B adsorption material has been proved to be a functional material suitable for the effective treatment of rhodamine B in industrial wastewater and biological waste, and has rapidly become an analytical An important research object ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/22B01J20/30C02F1/28
Inventor 张海霞赵婷关敏刘晓燕赵川德
Owner LANZHOU UNIVERSITY