Preparation method of nano ferric oxide doped styrene-divinylbenzene copolymer hydrophobic catalyst carrier

A technology of triiron tetroxide and divinylbenzene, which is used in catalyst carriers, organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, etc., can solve the problem of small catalyst particle size, poor catalytic stability, Problems such as poor hydrophobic stability, to achieve the effect of easy industrial production, mild reaction conditions and high degree of dispersion
CN107973872BActive Publication Date: 2020-12-22SOUTHWEAT UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTHWEAT UNIV OF SCI & TECH
Publication Date
2020-12-22

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Abstract

The invention discloses a preparation method of a nano ferroferric oxide doped styrene-divinylbenzene copolymer hydrophobic catalyst carrier. The preparation method is characterized by comprising thefollowing steps: treating Fe<3+>, Fe<2+> and a silane coupling agent through a co-precipitation method to prepare nano ferroferric oxide; adding de-ionized water, organic matters, inorganic salt and sodium dodecylbenzene sulfonate into a reaction container; after mixing the nano ferroferric oxide with styrene and divinylbenzene, adding a mixture; then adding benzoyl peroxide, toluene, n-heptane and dichloroethane and heating to 70 to 90 DEG C; stirring and carrying out suspension polymerization reaction; then filtering and washing and drying solids to prepare the nano ferroferric oxide doped styrene-divinylbenzene copolymer hydrophobic catalyst carrier. A Pt / nano-Fe3O4@SDB hydrophobic catalyst prepared by taking the product provided by the invention as the carrier is used for extracting tritium from heavy water and removing the tritium from wastewater; the catalytic efficiency of the catalyst can be increased and the catalyst is convenient to recycle; the catalyst has high compressionstrength and good utilization effect.
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Description

technical field

[0001] The invention belongs to the preparation of organic polymer compounds, and relates to a nanometer ferric oxide doped styrene-divinylbenzene copolymer (nano-Fe for short). 3 o 4 @SDB) Preparation method of hydrophobic catalyst support. The Pt / nano-Fe prepared by using the nano ferric oxide doped styrene-divinylbenzene copolymer prepared by the present invention as a carrier 3 o 4 @SDB hydrophobic catalyst has the advantages of high catalytic efficiency, long catalyst service life, reduced loss of active components, and good mass transfer performance. It is especially suitable for engineering applications in heavy water tritium extraction and wastewater tritium removal. Background technique

[0002] With the continuous maturity of nuclear technology and the rapid development of the nuclear industry, tritium, as a key nuclear material, is increasingly used. Therefore, the radiation protection and safety of tritium are becoming more and more important. ...

Claims

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