Potential of biogas production from swine manure supplemented with glycerine waste

Engenharia Agrícola

Jaqueline F. Tonetto¹  Odorico Konrad¹  Fabio F. Koch¹  Marluce Lumi¹  Alberto Bezama² 

[1] Centro Universitário Univates;UFZ;

关键词: biogas;    residual glycerin;    swine manure;    renewable energy;   

DOI  :  10.1590/S0100-69162014000500004

来源: DOAJ

【 摘 要 】

In this study, was studied the biogas generation from swine manure, using residual glycerine supplementation. The biogas production by digestion occurred in the anaerobic batch system under mesophilic conditions (35°C), with a hydraulic retention time of 48 days. The experiment was performed with 48 samples divided into four groups, from these, one was kept as a control (without glycerin) and the other three groups were respectively supplemented with residual glycerine in the percentage of 3%, 6% and 9% of the total volume of the samples. The volume of biogas was controlled by an automated system for reading in laboratory scale and the quality of the biogas (CH4) measured from a specific sensor. The results showed that the residual glycerine has high potential for biogas production, with increases of 124.95%, 156.98% and 197.83% in the groups 3%, 6% and 9%, respectively, relative to the sample control. However, very high organic loads can compromise the process of digestion affecting the quality of the biogas generated in relation to methane.

【 授权许可】

Unknown