By Ta Yeong Wu, Ningqun Guo, Chee Yang Teh, Visit Amazon's Jacqueline Xiao Wen Hay Page, search results, Learn about Author Central, Jacqueline Xiao Wen Hay,

ISBN-10: 9400755325

ISBN-13: 9789400755321

ISBN-10: 9400755333

ISBN-13: 9789400755338

Over the prior ten years, leading edge applied sciences have proven that complex oxidation procedures are hugely promising whilst utilized to the remediation of polluted water or wastewater as they don’t generate any sludge or good fabric of damaging nature.

Advances in Ultrasound know-how for Environmental Remediation stories the basics of ultrasound know-how and the state-of-the-art advancements in “ultrasound-based loose radical new release” in environmental remediation and toxins prevention. It additionally provides the demanding situations of introducing ultrasound expertise into large-scale environmental remediation purposes and examines the equipment used to enhance ultrasound know-how. certainly, ultrasonic structures are tremendous delicate and liable to operational parameters which can't be managed with out a stable wisdom and figuring out of actual and chemical phenomena.

Advances in Ultrasound know-how for Environmental Remediation beneficial properties the speculation and basics of ultrasound know-how and discusses its strength in its place approach in environmental remediation.

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Additional info for Advances in Ultrasound Technology for Environmental Remediation

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5, 25 °C, Decolorization: *63 % 120 min 1 g/L Er3+:YAlO3/TiO2-ZnO, 1:1 Ti/Zn molar ratio, 5 wt % Er3+:YAlO3 Ultrasound ? UV ? 37 mg/L Ultrasound ? UV ? 9 % Results 200 mg/L Ultrasound ? electrochemical oxidation ? 3 g/L Fe2O3/SBA-15, 8 mM H2O2 Acid Orange 7 Ultrasound ? UV ? Fe2O3/SBA-15 ? H2O2 Acid Orange 7 Ultrasound ? Fe2O3-Al2O3-meso ? H2O2 Acid Orange 7 Ultrasound ? Goethite ? H2O2 Acid Orange 7 Ultrasound ? Fe0 ? H2O2 Reference (continued) Zhong et al. (2011b) Zhong et al. (2011a) Zhang et al.

The effect of different gases (oxygen, air, and argon) on the initial BPA degradation was investigated by Torres et al. (2008) at 300 kHz and 80 W. 2 Ultrasound Treatment of Phenolic Compounds 31 gave the highest effect on degradation rate, followed by air and argon. Another study was carried out by Zhang et al. (2011a) to investigate the degradation of BPA by ultrasonic irradiation in the presence of different additives, namely H2O2, air bubbles, and humic acid. The addition of low concentration of H2O2 could facilitate BPA degradation efficiently, while the presence of humic acids and aeration could inhibit the degradation rate.

Kidak and Ince (2007) conducted an experiment to investigate the effect of ultrasonic cavitation at 300 kHz on the enhancement of ozone and UV-mediated decomposition of phenol by monitoring the concentration of phenol during 90-min exposure to ozonation, sonification, UV photolysis, O3/ultrasound, UV/ultrasound, and O3/UV/ultrasound operations. Ultrasound could also be combined with microwave irradiation to enhance the phenol degradation rate and efficiency (Wu et al. 2008). This combination was used to destroy phenol compound in aqueous solutions efficiently via sono-generated OHÁ and H2O2, in conjunction with the rapid thermal effect of microwaves on polar chemicals.

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Advances in Ultrasound Technology for Environmental Remediation by Ta Yeong Wu, Ningqun Guo, Chee Yang Teh, Visit Amazon's Jacqueline Xiao Wen Hay Page, search results, Learn about Author Central, Jacqueline Xiao Wen Hay,

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