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Title

The Carbon Dioxide-Rumen Fermentation Processes-strategy, a proposal to sustain environmentally friendly dairy farms

AuthorsAlonso-Moreno, Carlos; Garde, José Julián ; Zafrilla, Jorge E.; Canales-Vázquez, Jesús; Gueddari, Abdessamad; García-Yuste, Santiago
KeywordsNitrogen fertilizer
Carbon dioxide utilization
Negative emissions
Biogenic ammonia
Biogenic carbon dioxide
Issue Date2018
PublisherElsevier
CitationJournal of Cleaner Production 204: 735-743 (2018)
AbstractA novel Carbon Dioxide Utilization (CDU) approach from a relatively minor biogenic carbon dioxide emission source, Rumen Fermentation Processes (RFP), is presented. The CO-RFP strategy explores the potential treatment of the liquid manure storage located at the bottom of the dairy barns with CO-enriched air coming from cattle exhalation and belching to produce an important fertilizer such as NHHCO (ABC, ammonium bicarbonate). The unusual CDU strategy, analyzed exclusively from a chemical point of view, could yield over 31.6 Million of tones, Mt, of ABC in aqueous solution using c. 18.0 Mt of CO and capturing c. 6.9 Mt of NH ammonia. This process would consume less energy than the traditional synthetic method (ABC fertilizer process) and would not produce any by-products or chemical compounds which may enter into conflict with the dairy sector. The quantity of ABC obtained by this strategy would be equivalent to four times the world production per year. Taking into consideration only the most relevant dairy countries, the estimate of the CO negative emission achieved suggests a capture of around 1.8 Gt of CO equivalents and 82.8 Mt of NH from now to 2030. With the aim of providing a realistic outlook on the CO-RFP strategy, the proposal is discussed considering a number of possible scenarios: the CO-RFP strategy (1) in a typical livestock dairy farm, (2) in the most relevant dairy countries and (3) as a N-fertilizer supplier.
URIhttp://hdl.handle.net/10261/174819
Identifiersdoi: 10.1016/j.jclepro.2018.08.295
issn: 0959-6526
e-issn: 1879-1786
Appears in Collections:(IREC) Artículos
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