| BiVO4/膨润土负载型光催化剂的制备及其性能 |
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| 引用本文： | 李南南,何瑾馨.BiVO4/膨润土负载型光催化剂的制备及其性能[J].印染,2011,37(17). |
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| 作者姓名： | 李南南 何瑾馨 |
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| 作者单位： | 东华大学化学化工与生物工程学院,纺织面料技术教育部重点实验室,上海201620 |
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| 摘 要： | 采用溶液燃烧法制备了不同煅烧温度的BiVO4/膨润土负载型可见光催化剂,并以C.I.活性蓝19为目标降解物,研究其催化性能.采用X射线衍射(XRD)、场发射扫描电镜(FE-SEM)、比表面积(BET)、紫外-可见漫反射光谱(UV-vis DRS)等测试手段,对光催化剂的晶型、表面形貌、颗粒大小、光吸收范围等进行了表征.结果表明,300℃煅烧的BiV04/膨润土为单斜晶型,晶粒尺寸约为30nm,在可见光400～500 nm处有强吸收;其对活性蓝19的光催化性能较好,2h光照后的脱色率可达93.9％.
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| 关 键 词： | 染整 废水处理 光催化剂 活性染料 脱色 |
Preparation of BiVO4/bentonite loaded photocatalyst and its properties |
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| LI Nan-nan,HE Jin-xin.Preparation of BiVO4/bentonite loaded photocatalyst and its properties[J].Dyeing and Finishing,2011,37(17). |
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| Authors: | LI Nan-nan HE Jin-xin |
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| Affiliation: | LI Nan-nan,HE Jin-xin(College of Chemistry,Chemical Engineering and Biotechnology,Donghua University,The Key Lab of Textile Science & Technology,Ministry of Education,Shanghai 201620,China) |
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| Abstract: | A series of supported BiVO4/bentonite visible photocatalysts are prepared by solution combustion synthesis method at different calcining temperature,and their photocatalytic activities are investigated taking C.I.Reactive Blue 19 as the target degradation product.The crystal type,surface morphology,particle size,light absorption range of BiVO4/bentonite photocatalysts are characterized by X-ray diffraction(XRD),field emission-scanning electron microscope(FE-SEM),specific surface area(BET) and UV-vis diffuse... |
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| Keywords: | dyeing and finishing waster water treatment photo-catalyst reactive dye decolor |
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