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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yamashiro, Takaki Lateef, Suraju A. Ying, Chun Beneragama, Nilmini Lukic, Milos Masahiro, Iwasaki Ihara, Ikko Nishida, Takehiro Umetsu, Kazutaka |
| Copyright Year | 2013 |
| Abstract | Anaerobic co-digestion of dairy manure (DM) and concentrated food processing wastes (FPW) under thermophilic (55 °C) and mesophilic (35 °C) temperatures, and fertilizer value of the effluent were investigated in this study. Two types of influent feedstock were utilized: 100 % DM and a 7:3 mixture (wet weight basis) of DM and FPW. The contents of the FPW, as feedstock were 3:3:3:1 mixture of cheese whey, animal blood, used cooking oil and residue of fried potato. Four continuous digestion experiments were carried out in 10 L digesters. Co-digestion under thermophilic temperature increased methane production per digester volume. However, co-digestion at 35 °C was inhibited. Total Kjeldahl nitrogen (N) recovered after digestion ranged from 73.1 to 91.9 %, while recoveries of ammonium nitrogen (NH4-N) exceeded 100 %. The high recovery of NH4-N was attributed to mineralization of influent organic N. The mixture of DM and FPW showed greater recoveries of NH4-N after digestion compared to DM only, reflecting its greater organic N degradability. The ratios of extractable to total calcium, phosphorus and magnesium were slightly reduced after digestion. These results indicate that co-digestion of DM and FPW under thermophilic temperature enhances methane production and offers additional benefit of organic fertilizer creation. |
| Starting Page | 539 |
| Ending Page | 547 |
| Page Count | 9 |
| File Format | |
| ISSN | 14384957 |
| Journal | Journal of Material Cycles and Waste Management |
| Volume Number | 15 |
| Issue Number | 4 |
| e-ISSN | 16118227 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2013-04-26 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Dairy manure Food processing waste Anaerobic co-digestion Methane Organic fertilizer Civil Engineering Waste Management/Waste Technology Environmental Management |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Mechanics of Materials |
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