کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7714607 | 1497441 | 2015 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Enhanced biohydrogen production from dark fermentation of complex dairy wastewater by sonolysis
ترجمه فارسی عنوان
تولید بیو هیدروژن از تخمیر تاریک فاضلاب پیچیده لبنی توسط سونولیز بهبود یافته است
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کلمات کلیدی
بیو هیدروژن، سونوگرافی، پیش درمان فاضلاب لبنی،
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
چکیده انگلیسی
The present work describes an effectiveness of ultrasonication pretreatment for enhancement of biohydrogen production from complex dairy wastewater at optimized culture conditions obtained previously. An ultrasonic pretreatment was comprised of five ultrasonic densities (UD) (from 0 to 0.2Â W/mL) at five different ultrasonication time (UT) (from 6 to 14Â min). Response surface methodology (RSM) analysis showed that UD was the highly significant parameter, which predominantly influences biodegradability, hydrogen yield (HY), and specific hydrogen production rate (SHPR) enhancement during dark fermentation. Optimization of pretreatment using RSM integrated with desirability function followed by a verification test showed that maximum HY of 15.33Â mmol/g COD and SHPR of 31.38Â mmol/g VSS.d obtained at 0.08Â W/mL and 9Â min. Significant relative enhancement of HY, 27%, and SHPR, 51%, suggests that ultrasonication pretreatment of complex dairy wastewater is about 1.1-2-fold more effective for enhanced hydrogen recovery compared to unsonicated one. A successful energy balance of ultrasonication pretreatment suggests an effectiveness of the pretreatment for enhanced energy recovery.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 40, Issue 32, 24 August 2015, Pages 9942-9951
Journal: International Journal of Hydrogen Energy - Volume 40, Issue 32, 24 August 2015, Pages 9942-9951
نویسندگان
Abhijit Gadhe, Shriram S. Sonawane, Mahesh N. Varma,