Use of diluted poultry manure as a low-cost emulsifier for anaerobic digestion of used cooking oil

被引：5
|
作者：
Eftaxias, Alexandros [1 ]
Gkalimanis, Prodromos [1 ]
Koskinari, Maria Dolores [1 ]
Koumara, Alexandra [1 ]
Diamantis, Vasileios [1 ]
Aivasidis, Alexandros [1 ]
机构：
[1] Democritus Univ Thrace, Dept Environm Engn, Vas Sofias 12, GR-67100 Xanthi, Greece
来源：
WATER PRACTICE AND TECHNOLOGY | 2019年 / 14卷 / 04期
关键词：
anaerobic digestion; biogas; fat oil and grease; high shear emulsification; poultry manure; pre-treatment; WASTE ACTIVATED-SLUDGE; PRETREATMENT STRATEGIES; SLAUGHTERHOUSE WASTES; GREASE FOG; FOOD WASTE; FAT; CODIGESTION; EFFICIENCY; EXCRETA;
D O I：
10.2166/wpt.2019.074
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
The aim of this study was to evaluate the anaerobic co-digestion of diluted poultry manure (DPM) and used cooking oil (UCO). Mixtures of DPM with different UCO dosages (1 to 6% v/v) were prepared using a high-shear emulsifier and digested in batch anaerobic reactors. Increasing the UCO dosage increased the emulsion COD (from initially 64 to 182 g.L-1) but emulsion stability was affected adversely. UCO at the optimum dosage (1.5 to 2.0% v/v) was further digested in a semi-continuous mesophilic anaerobic reactor, to assess process feasibility at organic loading rates (OLRs) up to 8 g.L-1.d(-1). The reactor was stable, yielding biogas at 0.45 L.g(-1) COD, with low supernatant COD (<6 g.L-1), negligible VFA accumulation and no foaming.
引用
收藏
页码：937 / 945
页数：9
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