Preparation method of activated carbon fiber photocatalysis net loaded with nano titanium dioxide

活性炭纤维负载纳米二氧化钛光催化网的制备方法

Abstract

本发明提供了一种活性炭纤维负载纳米二氧化钛光催化网的制备方法,包括如下步骤:(1)将活性炭纤维布或活性炭纤维毡浸入到氨水溶液,超声清洗,用水洗涤,然后将洗涤后的产物浸渍于硝酸溶液中,超声处理,再用水洗涤,然后将其浸渍于丙酮中,取出用水洗涤,烘干;(2)将步骤(1)的产物浸渍于含有纳米TiO<sub>2</sub>粉体的环氧树脂丙酮溶液中,然后真空干燥,在氮气气氛下,于370~570℃焙烧2~4h,冷却,即得活性炭纤维负载纳米二氧化钛光催化网。本发明对甲醛的降解效率高达80~90%,负载强度好,单位质量活性炭纤维TiO<sub>2</sub>负载率高,比表面积高,能快速降解挥发性有机污染物,可重复使用。
The invention provides a preparation method of an activated carbon fiber photocatalysis net loaded with a nano titanium dioxide, including the following steps: (1) immerging an activated carbon fiber cloth or a activated carbon fiber felt into ammonia water solution, cleaning by ultrasonic , washing by water, then immerging the washed product into nitric acid solution, processing by ultrasonict, washing again by water, and then immerging the product in acetone and then taking out and washing by water, and drying; (2) immerging the product of step one into epoxide resin acetone solution containing nano TiO2 powder, then drying in the vacuum, roasting for 2-4 hours at a temperature of 370-570 DEG C under nitrogen atmosphere, and cooling, thus obtaining the activated carbon fiber photocatalysis net loaded with nano titanium. The invention has degradation efficiency of formaldehyde as high as 80-90%, good load intensity, high unit mass activated carbon fiber TiO2 load factor and high specific surface area, can fast degrade volatile organic contaminant and can be used repeatedly.

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Cited By (9)

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    CN-103623805-BDecember 09, 2015上海市环境科学研究院的复合氧化物及其制备方法和利用其降解有机染料废水的方法
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