Application of hydrodynamic cavitation to improve the biodegradability of mature landfill leachate

Ultrasonics Sonochemistry
M BisS Pasieczna-Patkowska

Abstract

In this study, the application of hydrodynamic cavitation to improve the biodegradability of mature landfill leachate was investigated. Three configurations of cavitation device were examined and operational parameters of the process were selected. The study indicated that the orifice plate with a 3/10mm diameter conical concentric hole, characterized by the cavitation number of 0.033, is a reasonable choice to ensure the enhanced biodegradability of mature leachate. Using such a configuration and maintaining 30 recirculation passes through the cavitation zone at inlet pressure of 7 bar, the highest increase of biodegradability index (BI) of approximately 22% occurred, i.e., from the value of 0.046 to 0.056. The FT-IR/PAS analysis confirmed a degradation of refractory compounds that typically prevail in mature leachate. An evaluation of energy efficiency was made in terms of the actual consumed energy measured by using the Kyoritsu KEW6310 Power Quality Tester. A cavitational yield of 9.8 mg COD kJ(-1) was obtained for the optimum configuration and 30 recirculation passes. Regarding energy efficiency, the application of 10 cavitation cycles appeared to be the most profitable. This was due to an almost threefold higher cavitatio...Continue Reading

References

Aug 6, 2002·Ultrasonics Sonochemistry·Manickam Sivakumar, Aniruddha B Pandit
Feb 6, 2003·Journal of Chromatography. a·Pavel Janos
Apr 15, 2004·Ultrasonics Sonochemistry·Preeti C Sangave, Aniruddha B Pandit
Oct 12, 2004·Ultrasonics Sonochemistry·Parag R Gogate, Aniruddha B Pandit
Jan 5, 2005·Journal of Hazardous Materials·Daniele M BilaMárcia Dezotti
Apr 26, 2005·Ultrasonics Sonochemistry·Parag M KanthaleAnne Marie Wilhelm
May 10, 2005·Journal of Hazardous Materials·Josmaria Lopes de Morais, Patricio Peralta Zamora
Nov 30, 2005·Journal of Hazardous Materials·Tonni Agustiono KurniawanGilbert Y S Chan
Jan 13, 2006·Ultrasonics Sonochemistry·Rana Kidak, Nilsun H Ince
Mar 21, 2007·Ultrasonics Sonochemistry·Anand G ChakinalaDavid H Bremner
Nov 13, 2007·Journal of Hazardous Materials·S RenouP Moulin
Dec 7, 2007·Bioresource Technology·Dorota Kulikowska, Ewa Klimiuk
Dec 14, 2007·Ultrasonics Sonochemistry·S ArrojoA Martínez Tarifa
Jun 26, 2008·Journal of Environmental Sciences (China)·Shouliang HuoHongliang Liu
Jul 25, 2008·Journal of Hazardous Materials·A Zgajnar GotvajnJ Zagorc-Koncan
Nov 3, 2010·Journal of Environmental Management·Susana CortezManuel Mota
Jan 11, 2011·Ultrasonics Sonochemistry·Marcus FrankeBernd Ondruschka
Dec 14, 2011·Ultrasonics Sonochemistry·Ravi K Joshi, Parag R Gogate
Apr 17, 2012·Journal of Hazardous Materials·K V PadoleyAniruddha B Pandit
Sep 18, 2012·Ultrasonics Sonochemistry·Virendra Kumar SaharanAniruddha B Pandit
Dec 24, 2013·Ultrasonics Sonochemistry·Mohan M GoreAniruddha B Pandit

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Citations

Jan 17, 2017·Environmental Science and Pollution Research International·Nikolaos RemmasSpyridon Ntougias

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