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Sonocatalytic degradation of some dyestuffs and comparison of catalytic activities of nano-sized TiO2, nano-sized ZnO and composite TiO2/ZnO powders under ultrasonic irradiation.
Ultrason Sonochem. 2009 Feb; 16(2):225-31.US

Abstract

Here, a novel sonocatalyst, composite TiO2/ZnO powder, was prepared through the combination of nano-sized TiO2 and ZnO powders. Because of the appropriate adsorbability to organic pollutants and special crystal interphase between TiO2 and ZnO particles, the composite TiO2/ZnO powder exhibits a high sonocatalytic activity under ultrasonic irradiation during the degradation of acid red B. Especially, the sonocatalytic activity of composite TiO2/ZnO powder with 4:1 molar proportion treated at 500 degrees C for 50 min showed obvious improvement compared with pure nano-sized TiO2 and ZnO powders. When the experimental conditions such as 10mg/L acid red B concentration, 1.0 g/L catalyst addition amount, pH=7.0, 20 degrees C system temperature, 100 min ultrasonic time and 50 mL total volume were adopted, the satisfactory degradation ratio and rate were obtained. All experiments indicate that the sonocatalytic method using composite TiO2/ZnO powder may be a more advisable choice for the treatments of non- or low-transparent organic wastewaters in future.

Authors+Show Affiliations

Department of Chemistry, Liaoning University, Chongshan Middle Road, No. 66, Huanggu District, Shenyang 110036, PR China. wangjun890@126.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18842448

Citation

Wang, Jun, et al. "Sonocatalytic Degradation of some Dyestuffs and Comparison of Catalytic Activities of Nano-sized TiO2, Nano-sized ZnO and Composite TiO2/ZnO Powders Under Ultrasonic Irradiation." Ultrasonics Sonochemistry, vol. 16, no. 2, 2009, pp. 225-31.
Wang J, Jiang Z, Zhang L, et al. Sonocatalytic degradation of some dyestuffs and comparison of catalytic activities of nano-sized TiO2, nano-sized ZnO and composite TiO2/ZnO powders under ultrasonic irradiation. Ultrason Sonochem. 2009;16(2):225-31.
Wang, J., Jiang, Z., Zhang, L., Kang, P., Xie, Y., Lv, Y., Xu, R., & Zhang, X. (2009). Sonocatalytic degradation of some dyestuffs and comparison of catalytic activities of nano-sized TiO2, nano-sized ZnO and composite TiO2/ZnO powders under ultrasonic irradiation. Ultrasonics Sonochemistry, 16(2), 225-31. https://doi.org/10.1016/j.ultsonch.2008.08.005
Wang J, et al. Sonocatalytic Degradation of some Dyestuffs and Comparison of Catalytic Activities of Nano-sized TiO2, Nano-sized ZnO and Composite TiO2/ZnO Powders Under Ultrasonic Irradiation. Ultrason Sonochem. 2009;16(2):225-31. PubMed PMID: 18842448.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Sonocatalytic degradation of some dyestuffs and comparison of catalytic activities of nano-sized TiO2, nano-sized ZnO and composite TiO2/ZnO powders under ultrasonic irradiation. AU - Wang,Jun, AU - Jiang,Zhe, AU - Zhang,Liqun, AU - Kang,Pingli, AU - Xie,Yingpeng, AU - Lv,Yanhui, AU - Xu,Rui, AU - Zhang,Xiangdong, Y1 - 2008/08/29/ PY - 2008/04/20/received PY - 2008/07/20/revised PY - 2008/08/19/accepted PY - 2008/10/10/pubmed PY - 2009/2/20/medline PY - 2008/10/10/entrez SP - 225 EP - 31 JF - Ultrasonics sonochemistry JO - Ultrason Sonochem VL - 16 IS - 2 N2 - Here, a novel sonocatalyst, composite TiO2/ZnO powder, was prepared through the combination of nano-sized TiO2 and ZnO powders. Because of the appropriate adsorbability to organic pollutants and special crystal interphase between TiO2 and ZnO particles, the composite TiO2/ZnO powder exhibits a high sonocatalytic activity under ultrasonic irradiation during the degradation of acid red B. Especially, the sonocatalytic activity of composite TiO2/ZnO powder with 4:1 molar proportion treated at 500 degrees C for 50 min showed obvious improvement compared with pure nano-sized TiO2 and ZnO powders. When the experimental conditions such as 10mg/L acid red B concentration, 1.0 g/L catalyst addition amount, pH=7.0, 20 degrees C system temperature, 100 min ultrasonic time and 50 mL total volume were adopted, the satisfactory degradation ratio and rate were obtained. All experiments indicate that the sonocatalytic method using composite TiO2/ZnO powder may be a more advisable choice for the treatments of non- or low-transparent organic wastewaters in future. SN - 1350-4177 UR - https://www.unboundmedicine.com/medline/citation/18842448/Sonocatalytic_degradation_of_some_dyestuffs_and_comparison_of_catalytic_activities_of_nano_sized_TiO2_nano_sized_ZnO_and_composite_TiO2/ZnO_powders_under_ultrasonic_irradiation_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1350-4177(08)00132-6 DB - PRIME DP - Unbound Medicine ER -