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Preparation method of an organic/inorganic hybrid material and its application in the specific adsorption-catalyzed degradation of triphenylmethane dyes

A hybrid material, specific technology, applied in the direction of organic compound/hydride/coordination complex catalyst, physical/chemical process catalyst, chemical instrument and method, etc., can solve the problem of no obvious adsorption of dyes, and achieve excellent The effect of catalytic degradation performance, short time, and easy availability of raw materials

Inactive Publication Date: 2016-08-24
SHAANXI NORMAL UNIV
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Problems solved by technology

It is also applied to the adsorption of metal ions and drug carriers, but has no obvious adsorption effect on dyes

Method used

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  • Preparation method of an organic/inorganic hybrid material and its application in the specific adsorption-catalyzed degradation of triphenylmethane dyes
  • Preparation method of an organic/inorganic hybrid material and its application in the specific adsorption-catalyzed degradation of triphenylmethane dyes
  • Preparation method of an organic/inorganic hybrid material and its application in the specific adsorption-catalyzed degradation of triphenylmethane dyes

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preparation example Construction

[0026] The preparation and application steps of the hybrid material of the present invention are as follows:

[0027] (1) CaCO 3 / Preparation of lentinan (LTN) hybrid material

[0028] A gram of analytically pure lentinan solid is dissolved in BmL of 0.1-0.3mol / L calcium chloride solution, fully stirred at room temperature and added CmL of 0.1-0.3mol / L sodium carbonate solution, wherein the suspension is configured CO 3 2- : Ca 2+ The initial molar ratio is 1:(0.5~2), and the amount of lentinan added is less than 5% of the total volume of the mixed solution, that is, A:(B+C)=(0~5):100, and A is not equal to 0, After 8-12 minutes of reaction, a white suspension was obtained. Suction filter the completely reacted white suspension, wash the separated solid phase first with water and then with alcohol, dry it in vacuum at 30-50°C for 1-2 hours and ultrasonically treat it to finally obtain the target product, which is CaCO 3 / LTN hybrid material.

[0029] (2)CaCO 3 / LTN hy...

Embodiment 1

[0039]Dissolve the analytically pure lentinan solid in 0.3mol / L calcium chloride solution, fully stir at room temperature and add 0.3mol / L sodium carbonate solution, and configure the CO of the mixed solution 3 2- : Ca 2+ The initial molar ratio was 1:1, the amount of lentinan added was 2.5% of the total amount of the mixed solution, and a white suspension was obtained after 10 min of reaction. Suction filter the completely reacted white suspension, wash the separated solid phase with water first and then with alcohol, dry it in vacuum at 40° C. for 1.5 h, and process it ultrasonically to finally obtain the target product.

Embodiment 2

[0041] Dissolve the analytically pure lentinan solid in 0.2mol / L calcium chloride solution, fully stir at room temperature and add 0.2mol / L sodium carbonate solution, and configure the CO of the mixed solution 3 2- : Ca 2+ The initial molar ratio was 1:0.5, the amount of lentinan added was 3% of the total amount of the mixed solution, and a white suspension was obtained after 8 minutes of reaction. The completely reacted white suspension was suction-filtered, the separated solid phase was washed with water and then with alcohol, dried in vacuum at 30°C for 2 h and ultrasonically treated to finally obtain the target product.

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Abstract

A preparation method of an organic / inorganic hybrid material and its application in specific adsorption-catalyzed degradation of triphenylmethane dyes, 1) get A gram of lentinan dissolved in BmL of 0.1~0.3mol / L Ca 2+ solution, mix well and add CmL of 0.1-0.3mol / L CO 3 2‑ The solution reacts, where A:(B+C)=(0~5):100, and A is not equal to 0; CO 3 2‑ : Ca 2+ The molar ratio is 1:(0.5~2); 2) After the reaction, a suspension is formed, the solid phase is separated and dried to obtain CaCO 3 and organic / inorganic hybrid materials of lentinan. The invention hybridizes organic and inorganic materials, has a huge specific surface area, has strong adsorption and excellent catalytic degradation performance, and has high-efficiency catalytic degradation ability for triphenylmethane dyes.

Description

technical field [0001] The invention belongs to the technical field of organic dye wastewater treatment, and in particular relates to a preparation method of an organic / inorganic hybrid material and its application in the specific adsorption-catalyzed degradation of triphenylmethane dyes. Background technique [0002] Triphenylmethane dye is a kind of polybenzene ring compound, which is widely used, mainly used in textiles, leather, dyeing agents and so on. This kind of dye and its intermediate degradation products have high toxicity, high residue and side effects such as carcinogenicity, teratogenicity and mutagenicity. When they enter the environment from production, transportation and use, they will inevitably cause pollution and bring impact on the ecological environment. Due to the complex structure of such dyes, the current research on the treatment of triphenylmethane dyes mainly focuses on photodegradation and microbial degradation, but both methods have low treatmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/26C02F1/28C02F1/72B01J20/24B01J20/30C02F103/30C02F101/30
Inventor 蒋育澄刘艳胡满成李淑妮翟全国
Owner SHAANXI NORMAL UNIV
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