Efficient adsorption mixed material of ampicillin and application of efficient adsorption mixed material

Abstract

The invention belongs to the technical field of preparation of a mesoporous carbon material and environment protection, and discloses an efficient adsorption mixed material of ampicillin and application of the efficient adsorption mixed material. Triblock polyether F-127 is adopted as a template agent, phloroglucinol / formaldehyde are adopted as a carbon precursor, phenolic resin formed by phloroglucinol and formaldehyde under a certain condition is regarded as a carbon source, and polymerization of phenols and formaldehyde mainly refers to protonation of formaldehyde and an electrophilic substitution reaction of phenols; under a strong acidic condition, phenols or cross-linked phenols and polyoxyethylene sections in a triblock copolymer are all easily protonized, in this way, the polymerization speed of phenolic resin can be increased, and organic-organic self-assembly between phenolic resin and triblock copolymer can also be completed with the assistance through a Coulomb's effect; an ordered mesoporous carbon material is synthesized through an organic-organic self-assembly, the ordered mesoporous carbon material is fully mixed with chitosan, and the prepared efficient adsorption mixed material is used for efficient adsorbing and removing of antibiotics in wastewater; the efficient adsorption mixed material can be easily produced in large scale, and is good in adsorption effect.

Description

[0001] Technical field: [0002] The invention belongs to the technical field of the preparation of mesoporous adsorption materials and environmental protection, and relates to a mesoporous carbon material synthesized by using polyether F-127 as a template and phloroglucinol and formaldehyde as carbon sources and fully mixed with chitosan Method and application of high-efficiency adsorption of ampicillin in wastewater. [0003] technical background: [0004] With the improvement of people’s quality of life, the consumption of drugs continues to increase, and a large number of antibiotics are widely used. The abuse of antibiotics and the pollution caused by antibiotics have become a worldwide problem; a large number of residual antibiotics in pharmaceutical wastewater will be caused by inappropriate treatment. Directly discharged into the water environment, the increase of high-concentration antibiotics in the environment will enhance the resistance of some bacteria, and then reproduc...

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Problems solved by technology

[0004] With the improvement of people's quality of life, the consumption of drugs continues to increase, a large number of antibiotics are widely used, the abuse of antibiotics and the pollution caused by antibiotics have become a worldwide problem; if a large number of residual antibiotics in pharmaceutical wastewater are not treated properly Directly discharged into the water environment, the increase of high-concentration antibiotics in the environment will enhance the resistance of some bacteria, and then multiply rapidly, and some intolerant bacteria may be killed, thus affecting the balance of the bacterial system in the entire ecosystem Surface water such as river basins where a large amount of antibiotics are discharged may affect groundwater, seriously pollute the water environment, affect the growth of organisms, and even cause genetic mutations, resulting in the disappearance of some species; in the 1950s and 1960s, western developed countries generally chose aerobic Biodegradation of antibiotics, but the investment and treatment costs of this method are relatively high, and there is still a certain degree of inhibition of biological toxicity; the annual production of antibiotics in China is huge, due to many technical difficulties in the production process, the production process It also has certain limitations, which lead to the low yield of reactants and the serious pollution of the water environment due to the large loss of antibiotics along with the sewage; among many antibiotics, ampicillin is a class of widely used antibiotics, causing environmental pollution and the worst

[0005] In recent years, methods such as photocatalytic degradation, ozonation and nanoparticle adsorption have been developed for the adsorption of antibiotics in the environment; adsorption is considered the most effective method by researchers due to its high adsorption efficiency and simple operation; shell Because it contains a large number of hydroxyl groups and amino groups, it can react with many pollutants in the environment and is used for the adsorption of antibiotics; however, chitosan itself also has many factors that limit the adsorption, such as its easy agglomeration, poor mechanical properties, Solubility becomes smaller under acidic conditions; mesoporous carbon has many unique properties, such as uniform pores, large specific surface area, good biocompatibility, and easy functionalization of the surface, etc., making mesoporous carbon the most potential antibiotic adsorbent ; Patent (CN 103801267 A) synthesized a magnetic chitosan composite microsphere material for the adsorption of antibiotics in medical wastewater. The material has a simple manufacturing process and is easy to operate. The adsorption capacity of antibiotics at room temperature is 38.76mg / g; The patent (CN 104828802 A) synthesized a mesoporous carbon material for the adsorption of antibiotics in medical wastewater; at present, mesoporous carbon has attracted more and more researchers' attention due to its low preparation cost and good biocompatibility; The use of mesoporous carbon materials has important potential for the adsorption of antibiotics in the environment

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