کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1055511 1485249 2015 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Anaerobic digestion of tomato processing waste: Effect of alkaline pretreatment
ترجمه فارسی عنوان
هضم بی هوازی از پسماند گوجه فرنگی: اثر پیشگیری از قلیایی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی


• We studied alkaline pretreatment prior to the anaerobic digestion of tomato waste.
• Four treatments with different alkali dosages and contact times were used.
• None of the pretreatments affected methane yields in comparison to the control.
• Alkaline pretreatment resulted in the reduction of methane generation rates.

The objective of the work was to assess the effect of mild alkaline pretreatment on the anaerobic biodegradability of tomato processing waste (TPW). Experiments were carried out in duplicate BMP bottles using a pretreatment contact time of 4 and 24 h and a 1% and 5% NaOH dosage. The cumulative methane production during a 30 d period was recorded and modelled. The alkaline pretreatment did not significantly affect methane production in any of the treatments in comparison to the control. The average methane production for all runs was 320 NmL/gVS. Based on first order kinetic modelling, the alkaline pretreatment was found to slow down the rate of methanogenesis, mainly in the two reactors with the highest NaOH dosage. The biodegradability of the substrates ranged from 0.75 to 0.82 and from 0.66 to 0.72 based on two different approaches.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Environmental Management - Volume 163, 1 November 2015, Pages 49–52
نویسندگان
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