Utilization the dregs of glycerin as a co-substrate in biogas generation
Keywords:
biogas, dregsof glycerin, methaneAbstract
This study aimed to evaluate the use of dregs derived glycerin manufacturing process of cleaning and hygiene products as a co-substrate for additional generating biogas and methane yield. Therefore it was tested dregs of glycerin in the percentage of 2%, 4% and 6% in order to assess what percentage has the best conditions for supplementation. The test was performed in the Laboratory of Bioreactor UNIVATES where prepared 24 reactors containing 600 mL of sludge from wastewater treatment in each, and these were divided into triplicates according to the samples that presented better representation. The reactors were maintained under mesophilic conditions (35°C) with hydraulic retention time of about 56 days. The volume of biogas was controlled by an automated system for measuring and quality of the laboratory scale biogas (CH4) measured from a specific sensor called Advanced Gasmitter, produced by PRONOVA Analysentechnik GmbH & Co. The results showed that the dregs glycerin has further potential for the generation of biogas, and the sample receiving treatment sludge 4% had a higher biogas yield (128.54%) and methane (96.79%) compared to triplicate control and moreover, very high organic loads may affect the process of digestion affecting the quality of the biogas.
Downloads
Published
How to Cite
Issue
Section
License
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work