Factors Influencing Anaerobic Biodegradation of Biodiesel Industry Wastewater

被引：5
|
作者：
Pereira, Erlon L. [1 ]
Borges, Alisson C. [1 ]
Heleno, Fernanda F. [1 ]
Costa, Tiago H. C. [1 ]
Mounteer, Ann H. [2 ]
机构：
[1] Univ Fed Vicosa, Dept Agr Engn, BR-36570900 Vicosa, MG, Brazil
[2] Univ Fed Vicosa, Dept Civil Engn, BR-36570900 Vicosa, MG, Brazil
来源：
WATER AIR AND SOIL POLLUTION | 2017年 / 228卷 / 06期
关键词：
Discontinuous process; Fractional factorial; Glycerol; Modeling; Modified impeller; ANSBBR TREATING EFFLUENT; METHANE PRODUCTION; ORGANIC LOAD; FEED STRATEGY; PERFORMANCE; GLYCERIN; DIGESTION; ASBR;
D O I：
10.1007/s11270-017-3395-4
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Economic and environmental stimuli for biodiesel production have also increased production of glycerol, a byproduct present in biodiesel industry wastewater (BIW). The objective of the present study was to analyze which factors influenced glycerol biodegradation in anaerobic sequencing batch reactors (AnSBR) in the attempt to optimize chemical oxygen demand (COD) removal efficiency. Six factors were analyzed: pH, temperature, mixing speed, influent COD, inoculum mass, and reaction time. The results indicated that mixing speed, temperature, mass of inoculum, and reaction time had direct influence on COD removal efficiency in BIW. The reactor used in the experiments operated with efficiencies and applied loads above those mentioned in the literature. The mathematical model generated in this study can be used for estimating efficiency, process control and scale up of AnSBR.
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页数：15
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