作者
Erik R Coats, Erin Searcy, Kevin Feris, Dev Shrestha, Armando G McDonald, Aurelio Briones, Timothy Magnuson, Maxine Prior
发表日期
2013/7
期刊
Biofuels, Bioproducts and Biorefining
卷号
7
期号
4
页码范围
459-473
出版商
John Wiley & Sons, Ltd
简介
Over 9 million dairy cows generate an estimated 226 billion kg of wet manure annually in the USA. To help mitigate dairy greenhouse gas (GHG) emissions associated with the degradation of this organic‐rich waste, manure can be processed via anaerobic digestion (AD) to methane and ultimately electricity. This potential value of AD has generated high‐level dairy‐industry support for broad‐scale technology deployment; however, on‐the‐ground AD realization has been impeded by process stability/reliability concerns and poor economics. Considering these challenges but recognizing that AD represents a fundamentally sound manure‐management approach, an interdisciplinary research team has completed proof‐of‐concept investigations on an integrated process that will concurrently improve manure management economics and reduce dairy GHG emissions. The integrated processes center on a two‐stage …
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