کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6689984 | 501894 | 2014 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Life cycle greenhouse gas (GHG) impacts of a novel process for converting food waste to ethanol and co-products
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کلمات کلیدی
EtOHWWTABVFFSMSWSSFLFGDDGSCH4N2OGHGEthanol - اتانولLife cycle assessment (LCA) - ارزیابی چرخه حیاتLCA - ارزیابی چرخه حیاتLife Cycle Assessment - ارزیابی چرخه عمر یا چرخه حیاتalcohol by volume - الکل حجمNitrous oxide - اکسید نیتروژنWastewater treatment - تصفیه فاضلابmetric tonne - تن متریکCarbon dioxide - دیاکسید کربنMunicipal solid waste - زباله جامد شهریFood waste - زباله های مواد غذاییSimultaneous saccharification and fermentation (SSF) - سیکرینگ و تخمیر همزمان (SSF)Wastewater - فاضلاب یا پسابMethane - متان Co-fermentation - هم زدنsimultaneous saccharification and fermentation - واکسیناسیون و تخمیر همزمانCO2 - کربن دیاکسیدLandfill gas - گاز دفن زبالهGreenhouse gas (GHG) - گاز گلخانه ای (GHG)Greenhouse gas - گاز گلخانه ای
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
Waste-to-ethanol conversion is a promising technology to provide renewable transportation fuel while mitigating feedstock risks and land use conflicts. It also has the potential to reduce environmental impacts from waste management such as greenhouse gas (GHG) emissions that contribute to climate change. This paper analyzes the life cycle GHG emissions associated with a novel process for the conversion of food processing waste into ethanol (EtOH) and the co-products of compost and animal feed. Data are based on a pilot plant co-fermenting retail food waste with a sugary industrial wastewater, using a simultaneous saccharification and fermentation (SSF) process at room temperature with a grinding pretreatment. The process produced 295Â L EtOH/dry t feedstock. Lifecycle GHG emissions associated with the ethanol production process were 1458Â gCO2e/L EtOH. When the impact of avoided landfill emissions from diverting food waste to use as feedstock are considered, the process results in net negative GHG emissions and approximately 500% improvement relative to corn ethanol or gasoline production. This finding illustrates how feedstock and alternative waste disposal options have important implications in life cycle GHG results for waste-to-energy pathways.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Energy - Volume 130, 1 October 2014, Pages 86-93
Journal: Applied Energy - Volume 130, 1 October 2014, Pages 86-93
نویسندگان
Jacqueline Ebner, Callie Babbitt, Martin Winer, Brian Hilton, Anahita Williamson,