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Organic micromolecule gels of selectively gelled phenylamine (or substituted phenylamine) and uses

A molecular gelling agent and small molecular gel technology, applied in the field of supramolecular chemistry, can solve the problems of poor biodegradability of aniline substances, unfavorable resource recycling, decontamination and other problems, and achieve efficient utilization and recycling. Harmless and resources, the effect of reducing environmental pollution

Inactive Publication Date: 2013-01-23
HEBEI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of chemical treatment of wastewater containing aniline is relatively high, and the organic matter is decomposed, which is not conducive to the recycling of resources
Due to the poor biodegradability of aniline substances, the existing biochemical treatment system is difficult to effectively remove pollution
Due to the characteristics of low cost and renewable resources, the use of physical treatment technology has great potential for development, but conventional adsorbents may have high regeneration costs and reduced adsorption performance after regeneration; or poor adsorption selectivity. It is difficult to recycle the adsorbed substances, etc.
Solvent extraction also has the problem of solvent loss and the resulting secondary pollution

Method used

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  • Organic micromolecule gels of selectively gelled phenylamine (or substituted phenylamine) and uses

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Add 0.001 gram of 3,4,5-tris(hexadecyloxy)ethyl benzoate into a stoppered test tube, add 1 ml of aniline solvent into the test tube, heat until the organic gel is completely dissolved, and dissolve the resulting solution The gel can be formed by standing at room temperature (25°C) for 2 minutes, and the gel will not be destroyed when shaken gently. The test tube is turned upside down with the mouth of the tube downward, and no solution seeps or flows down.

Embodiment 2、3、4、5

[0028] The organic solvent that adopts and other operating conditions are with embodiment 1, and organic gelling agent is respectively: 3,4,5-tris(octadecyloxy)ethyl benzoate, 3,4,5-tris(hexadecane) oxy)butyl benzoate, 3,4,5-tris(hexadecyloxy)cyclohexyl benzoate, and benzyl 3,4,5-tris(hexadecyloxy)benzoate. Stable aniline gels can also be obtained.

Embodiment 6、7、8、9、10

[0030] The organic gelling agent and other operating conditions used are the same as in Example 1, and the organic solvents are respectively: o-methoxyaniline, o-ethoxyaniline, p-ethoxyaniline, m-chloroaniline, and m-toluidine. Stable aniline gels can also be obtained.

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Abstract

The invention discloses selectively gelled organic micromolecule gels represented by the following general formula. The organic micromolecule gels are low-molecular organic compounds which adopt simple structure, and are easy to synthesize; and the selectively gelled phenylamine (or substituted phenylamine) or a phenylamine (or substituted phenylamine) solvent in a water mixture can be represented by using a little organic micromolecule gels. Therefore, derivatives which can be used for separating the phenylamine (or substituted phenylamine) from the phenylamine (or substituted phenylamine) solvent in a water mixture can also be used for the treatment of phenylamine (or substituted phenylamine) wastewater with high concentration, so that the phenylamine is recycled, and the micromolecule gels can be recycled.

Description

technical field [0001] The present invention relates to a kind of organic small molecule gelling agent capable of selective gelation, especially a kind of organic small molecule capable of selective gelation of aniline (or substituted aniline) solvent in the mixture of aniline (or substituted aniline) and water The gelling agent and its use to treat high-concentration aniline (or substituted aniline) wastewater belong to the field of supramolecular chemistry. Background technique [0002] Organic small molecule gels are low-molecular mass organic gelators (LMOGs) that spontaneously aggregate and assemble into an ordered structure in organic solvents or water, and then make the whole system gel into a thermally reversible soft material. . The formation of the gel is the self-assembly process of the gelling agent molecules and the result of the interaction between the gelling agent molecules and the solvent. Organic small molecule gels are generally composed of a small amoun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/26C02F1/28C02F101/30
Inventor 于海涛于心怡
Owner HEBEI NORMAL UNIV
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