Influence of ultrasound irradiation pre-treatment in biohythane generation from the thermophilic anaerobic co-digestion of sugar production residues

被引：13
|
作者：
Martinez-Jimenez, Fernan D. [1 ]
Macie Pinto, Maria Paula [1 ]
Mudhoo, Ackmez [2 ]
Neves, Thiago de Alencar [1 ]
Rostagno, Mauricio A. [3 ]
Forster-Carneiro, Tania [1 ]
机构：
[1] Univ Estadual Campinas, Sch Food Engn, UNICAMP, Rua Monteiro Lobato 80, BR-13083862 Campinas, SP, Brazil
[2] Univ Mauritius, Dept Chem & Environm Engn, Reduit 80837, Mauritius
[3] Univ Estadual Campinas, Sch Appl Sci, UNICAMP, Rua Pedro Zaccaria 1300, BR-13484350 Limeira, SP, Brazil
来源：
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2017年 / 5卷 / 04期
基金：
巴西圣保罗研究基金会;
关键词：
Co-digestion; Thermophilic conditions; Ultrasound pre-treatment; Biohythane; WASTE ACTIVATED-SLUDGE; BIOLOGICAL HYDROGEN-PRODUCTION; MUNICIPAL SOLID-WASTE; ORGANIC FRACTION; SEWAGE-SLUDGE; FOOD WASTE; CELLULOSE; ENHANCEMENT; BAGASSE; GLUCOSE;
D O I：
10.1016/j.jece.2017.07.030
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The objective of this study was to evaluate the effects of sonication on the biogas production dynamics of sugarcane straw and vinasse in an anaerobic digestion. Two different ultrasound pretreatments were evaluated namely 180 W of ultrasonic power irradiated at 37 kHz for 30 min (PBU) and 800 W of ultrasonic power irradiated at 19 kHz for 15 min (PSU). Significant differences were observed in the biogas compositions of the PBU and PSU pretreatments and their respective controls. A continuous increase in methane concentration of the biohythane (biohydrogen and methane combined) was recorded in the PBU reactors (60-80% by volume). The main effect of ultrasound pretreatment was on the composition biohydrogen, methane and carbon dioxide (biohythane) produced.
引用
收藏
页码：3749 / 3758
页数：10
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