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Supramolecular hydrogel factor capable of detecting and removing cadmium and preparation method thereof

A supramolecular hydrogel, factor technology, applied in chemical instruments and methods, preparation of organic compounds, water/sewage treatment, etc., can solve complex preparation, low quality of supramolecular hydrogel gel factor, biological phase Tolerance is poor and other problems, to achieve the effect of high reaction yield, significant treatment effect, low biological toxicity

Inactive Publication Date: 2018-05-04
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In summary, the problems in the prior art are: the existing supramolecular hydrogel gel factor is low in quality, poor in biocompatibility, and complicated to prepare.

Method used

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  • Supramolecular hydrogel factor capable of detecting and removing cadmium and preparation method thereof
  • Supramolecular hydrogel factor capable of detecting and removing cadmium and preparation method thereof

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] The application principle of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] The present invention implements the preparation method of the supramolecular hydrogel factor that can detect and remove cadmium, comprising the following steps:

[0034] Preparation of supramolecular hydrogel factors;

[0035] After compounding the prepared supramolecular hydrogel factor with inorganic substances (6-7): (4-3) by mass, a supramolecular hydrogel factor capable of detecting and removing cadmium is obtained; The supramolecular hydrogel factor for removing cadmium and ...

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Abstract

The invention belongs to the technical field of wastewater treatment in environment protection, and discloses a supramolecular hydrogel factor capable of detecting and removing cadmium and a preparation method thereof. The preparation method comprises the steps of preparing the supramolecular hydrogel factor; after compounding the prepared supramolecular hydrogel factor and an inorganic matter according to the mass ratio being (6 to 7): (4 to 3), obtaining the supramolecular hydrogel factor capable of detecting and removing the cadmium; mixing the prepared supramolecular hydrogel factor capable of detecting and removing the cadmium and wastewater to be treated according to the mass ratio of 1:30 to 1:1500, adjusting pH to range from 7.0 to 9.0 through alkali, and after stirring for 20 to 40min, aerating for 1 to 2.5 hours at the normal temperature or under a heating condition. A supramolecular hydrogel formed by the supramolecular hydrogel factor provided by the invention has favorablebiocompatibility; the preparation method of the supramolecular hydrogel factor provided by the invention is short in flow, simple to operate, mild in reaction conditions, high in reaction yield, andsuitable for mass production.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment in environmental protection, and in particular relates to a supramolecular hydrogel factor capable of detecting and removing cadmium and a preparation method thereof. Background technique [0002] Supramolecular hydrogels (Supramolecular hydrogels) refer to nano-aggregates formed by self-assembly of small molecules (molecular weight ≤ 2000, also known as gel factor) with water as the main solvent. This aggregate is a state in which the hydrophilic groups of the gel factor are dissolved in water and its hydrophobic groups are aggregated in water to achieve equilibrium. Different from traditional polymer gels, supramolecular hydrogels are formed through weak non-covalent interactions such as hydrogen bonds, hydrophobic interactions, and π-π stacking. Conditions such as ionic strength, electric field and magnetic field are used to achieve the reversible transition from solution to gel. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F17/02C02F1/62C07C29/154C07C31/04
CPCC02F1/62C07C29/154C07F17/02C07C31/04Y02P20/52
Inventor 王秀凤张国栋张志庆王芳周亭
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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