Comparing environmental consequences of anaerobic mono- and co-digestion of pig manure to produce bio-energy--a life cycle perspective
De Vries, JW; Vinken, TM; Hamelin, L; De Boer, IJ
| HERO ID | 2559322 |
|---|---|
| In Press | No |
| Year | 2012 |
| Title | Comparing environmental consequences of anaerobic mono- and co-digestion of pig manure to produce bio-energy--a life cycle perspective |
| Authors | De Vries, JW; Vinken, TM; Hamelin, L; De Boer, IJ |
| Journal | Bioresource Technology |
| Volume | 125 |
| Page Numbers | 239-248 |
| Abstract | The aim of this work was to assess the environmental consequences of anaerobic mono- and co-digestion of pig manure to produce bio-energy, from a life cycle perspective. This included assessing environmental impacts and land use change emissions (LUC) required to replace used co-substrates for anaerobic digestion. Environmental impact categories considered were climate change, terrestrial acidification, marine and freshwater eutrophication, particulate matter formation, land use, and fossil fuel depletion. Six scenarios were evaluated: mono-digestion of manure, co-digestion with: maize silage, maize silage and glycerin, beet tails, wheat yeast concentrate (WYC), and roadside grass. Mono-digestion reduced most impacts, but represented a limited source for bio-energy. Co-digestion with maize silage, beet tails, and WYC (competing with animal feed), and glycerin increased bio-energy production (up to 568%), but at expense of increasing climate change (through LUC), marine eutrophication, and land use. Co-digestion with wastes or residues like roadside grass gave the best environmental performance. |
| Doi | 10.1016/j.biortech.2012.08.124 |
| Pmid | 23026340 |
| Wosid | WOS:000312759700035 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |
| Language Text | English |
| Keyword | Consequential LCA; Pig slurry; Renewable energy; Indirect land use change; Greenhouse gases |