Life Cycle Assessment (LCA) of the Effect of Magnetite Addition on Biohydrogen Production
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Keywords:
Apple Pulp Waste, Biohydrogen, Dark Fermentation, Life Cycle Assessment, Magnetite NanoparticlesAbstract
In this study, the effect of magnetite addition on biohydrogen (bio-H2) production from apple processing plant wastes by dark fermentation (DF) was investigated under anaerobic and batch reactor operating conditions. Within the scope of the study, optimum ratio and magnetite concentration were determined as S/I: 2 gVS/gVS (substrat/inoculum: gram volatile solid/ gram volatile solid) and 100 mg/L, respectively. Results showed that magnetite nanoparticles supported the bio-H2 production. Moreover, life cycle assessment (LCA) analysis of 1 m3 bio-H2 production from apple pulp by DF process was performed. At this stage, the effects were revealed using the Recipe method in SimaPro 9.1.1.1 software. In the production of bio-H2 by the DF process, lower effects were obtained in all effect categories compared to the production of H2 from fossil sources.