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The economics of energy from animal ...

Ghafoori, Emad.

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The economics of energy from animal manure for greenhouse gas mitigation.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The economics of energy from animal manure for greenhouse gas mitigation./
作者:	Ghafoori, Emad.
面頁冊數:	145 p.
附註:	Source: Dissertation Abstracts International, Volume: 68-07, Section: B, page: 4627.
Contained By:	Dissertation Abstracts International68-07B.
標題:	Energy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR29680
ISBN:	9780494296806

The economics of energy from animal manure for greenhouse gas mitigation.
Ghafoori, Emad.

The economics of energy from animal manure for greenhouse gas mitigation. - 145 p.

Source: Dissertation Abstracts International, Volume: 68-07, Section: B, page: 4627.

Thesis (Ph.D.)--University of Alberta (Canada), 2007.

Anaerobic digestion (AD) has significant economies of scale, i.e. per unit processing costs decrease with increasing size. The economics of AD to produce biogas and in turn electric power in farm or feedlot based units as well as centralized plants is evaluated for two settings in Alberta: a mixed farming area, Red Deer County, and an area of concentrated beef cattle feedlots, Lethbridge County.

ISBN: 9780494296806Subjects--Topical Terms:

876794
Energy.

The economics of energy from animal manure for greenhouse gas mitigation.
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500 $a Source: Dissertation Abstracts International, Volume: 68-07, Section: B, page: 4627.
502 $a Thesis (Ph.D.)--University of Alberta (Canada), 2007.
520 $a Anaerobic digestion (AD) has significant economies of scale, i.e. per unit processing costs decrease with increasing size. The economics of AD to produce biogas and in turn electric power in farm or feedlot based units as well as centralized plants is evaluated for two settings in Alberta: a mixed farming area, Red Deer County, and an area of concentrated beef cattle feedlots, Lethbridge County.
520 $a A centralized plant drawing manure from 61 sources in the mixed farming area could produce power at a cost of $2 18 MWh-1 (2005 US$). A centralized plant drawing manure from 560,000 beef cattle in Lethbridge County, can produce power at a cost of $1 38 MWh-1. Digestate processing, if commercially available, shifts the balance in favor of centralized processing.
520 $a At larger scales, pipelines could be used to deliver manure to a centralized plant and return the processed digestate back to the manure source for spreading. Pipeline transport of beef cattle manure is more economic than truck transport for the manure produced by more than 90,000 animals. Pipeline transport of digestate is more economic when manure from more than 21,000 beef cattle is available and two-way pipelining of manure plus digestate is more economic when manure from more than 29,000 beef cattle is available.
520 $a The value of carbon credits necessary to make AD profitable in a mixed farming region is also calculated based on a detailed analysis of manure and digestate transport and processing costs at an AD plant. Carbon emission reductions from power generation are calculated for displacement of power from coal and natural gas. The required carbon credit to cover the cost of AD processing of manure is greater than $1 50 per tonne of CO2. These results show that AD treatment of manure from mixed farming areas is not economic given current values of carbon credits.
520 $a Power from biogas has a high cost relative to current power prices and to the cost of power from other large scale renewable sources. Power from biogas would need to be justified by other factors than energy value alone, such as phosphate, pathogen or odor control.
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