Biodiesel production from scum of grease traps and sludge from septic tanks

被引：10
|
作者：
Oliveira, J. P. [1 ]
Antunes, P. W. P. [1 ]
Mordente, T. Z. [1 ]
Santos, A. R. [1 ]
Pinotti, L. M. [2 ]
Cassini, S. T. A. [1 ]
机构：
[1] Univ Fed Espirito Santo, Dept Environm Engn, BR-29075910 Vitoria, Es, Brazil
[2] Univ Fed Espirito Santo, Dept Engn & Technol, BR-29932540 Sao Mateus, Es, Brazil
来源：
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY | 2017年 / 19卷 / 04期
关键词：
Biofuels; Biodiesel; Scum from grease traps; Sludge from sumps and septic tanks; FATTY-ACID; WATER REMOVAL; ESTERIFICATION; OIL; TRANSESTERIFICATION; ESTERS; OPTIMIZATION; ETHANOL; FFA;
D O I：
10.1007/s10098-016-1308-7
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Scum from grease traps and sludge from wastewater are an oil-rich waste from the wastewater treatment plants. To mitigate possible negative impacts on the environment, the production of biodiesel from grease traps and sludge from sumps and septic tanks was investigated. These wastes are characterized by a high content of free fatty acids (FFA) and processed towards biodiesel by acidic esterification. The reaction of FFAs by an acid catalyst was optimized through a response surface methodology. The best conversion (95.3%) was obtained with acid catalyser (1.5% w/w oil/4 h) and raw material from the grease trap at the university restaurant at 70 degrees C and a molar ratio of 1:9 (oil/alcohol). In conclusion, there is viability of biofuels production through the use of sanitation waste as raw material.
引用
收藏
页码：1231 / 1237
页数：7
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