An immobilized mixed microflora approach to enhancing hydrogen and methane productions from high-strength organic loading food waste hydrolysate in series batch reactors

Pomdaeng, Prakaidao; Kongthong, Onjira; Tseng, Chiung-Hao; Dokmaingam, Pannipha; Chu, Chen-Yeon

doi:10.1016/j.ijhydene.2023.09.187

Cited by 7 publications

(1 citation statement)

References 35 publications

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“…Therefore, the co-digestion of untreated Napier grass and hydrolyzed food waste was examined in mesophilic conditions in this study. Food waste hydrolysate (FW) is a complex organic material that possesses inhibitory compounds for anaerobic digestion, including phenolic compounds and other preservative residues found in food ( Pomdaeng et al, 2023 ). Due to its protein and lipid richness, the FW encounters methane generation challenges as it has the potential to inhibit methanogenesis activities ( Xu et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Co-digestion approach for enhancement of biogas production by mixture of untreated napier grass and industrial hydrolyzed food waste

Kriswantoro,

Pan,

Chu

2024

Front. Bioeng. Biotechnol.

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The co-digestion of untreated Napier grass (NG) and industrial hydrolyzed food waste (FW) was carried out in the batch reactor to investigate the effect of substrate ratios on biogas production performance. Two-stage anaerobic digestion was performed with an initial substrate concentration of 5 g VSadded/L and a Food to Microorganism Ratio (F/M) of 0.84. The 1:1 ratio of the NG and FW showed the optimum performances on biogas production yield with a value of 1,161.33 mL/g VSadded after 60 days of digestion. This was followed by the data on methane yield and concentration were 614.37 mL/g VSadded and 67.29%, respectively. The results were similar to the simulation results using a modified Gompertz model, which had a higher potential methane production and maximum production rate, as well as a shorter lag phase and a coefficient of determination of 0.9945. These findings indicated that the co-digestion of Napier grass and hydrolyzed food waste can enhance biogas production in two-stage anaerobic digestion.

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Section: Introductionmentioning

confidence: 99%

Co-digestion approach for enhancement of biogas production by mixture of untreated napier grass and industrial hydrolyzed food waste

Kriswantoro,

Pan,

Chu

2024

Front. Bioeng. Biotechnol.

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Biohythane production via anaerobic digestion process: fundamentals, scale-up challenges, and techno-economic and environmental aspects

Alavi-Borazjani,

da Cruz Tarelho,

Capela

2024

Environ Sci Pollut Res

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Biohythane, a balanced mixture comprising bioH2 (biohydrogen) and bioCH4 (biomethane) produced through anaerobic digestion, is gaining recognition as a promising energy source for the future. This article provides a comprehensive overview of biohythane production, covering production mechanisms, microbial diversity, and process parameters. It also explores different feedstock options, bioreactor designs, and scalability challenges, along with techno-economic and environmental assessments. Additionally, the article discusses the integration of biohythane into waste management systems and examines future prospects for enhancing production efficiency and applicability. This review serves as a valuable resource for researchers, engineers, and policymakers interested in advancing biohythane production as a sustainable and renewable energy solution.

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Synergistic sodium alginate- and biochar-immobilized cells for enhancing fermentative hydrogen production from food waste

Ngamnurak,

Plangklang,

Pomdaeng

et al. 2024

Environ Sci Pollut Res

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An immobilized mixed microflora approach to enhancing hydrogen and methane productions from high-strength organic loading food waste hydrolysate in series batch reactors

Cited by 7 publications

References 35 publications

Co-digestion approach for enhancement of biogas production by mixture of untreated napier grass and industrial hydrolyzed food waste

Co-digestion approach for enhancement of biogas production by mixture of untreated napier grass and industrial hydrolyzed food waste

Biohythane production via anaerobic digestion process: fundamentals, scale-up challenges, and techno-economic and environmental aspects

Synergistic sodium alginate- and biochar-immobilized cells for enhancing fermentative hydrogen production from food waste

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