Biogas Production from Corn Stover by Solid-State Anaerobic Co-digestion of Food Waste

Shitophyta, Lukhi Mulia; Budiarti, Gita Indah; Nugroho, Yusuf Eko; Fajariyanto, Dika

doi:10.33795/jtkl.v4i1.125

Cited by 8 publications

(3 citation statements)

References 23 publications

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“…To calculate the kinetic constants, the methane production curve was fitted using three mathematical models: the first-order kinetic model ( 1), the modified first-order kinetic model (2), and the Gompertz model (3). These models are important for describing growth patterns in fields such as environmental science, biotechnology, and pharmacokinetics, as well as in analyzing complex reaction kinetics [24,25]. They provide valuable insights into the behavior of dynamic systems, enabling researchers to make informed predictions and decisions based on empirical data [26].…”

Section: Analytic Proceduresmentioning

confidence: 99%

Investigating the Energy Potential and Degradation Kinetics of Nine Organic Substrates: Promulgating Sustainability in Developing Economies

Onu,

Pradhan

2024

Sustainability

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To standardize, systematize, and improve the efficiency of the evaluation of biodegradable materials for large-scale biogas projects to support clean and sustainable energy development in emerging economies from a sub-Saharan African perspective, this paper analyzes and fits the potential for methane production (biochemical methane potential, BMP) and degradation kinetics of materials based on the gas production and degradation dynamics obtained from methane potential experiments. The first-order, modified first-order, and Gompertz models are used for analysis and fitting. The Gompertz model shows higher accuracy in fitting the methane production potential curve of screened materials, and the fitted methane potential values are close to the experimental values. When using BMP1% (cumulative gas production reaching 1% of cumulative gas production per day) as a quantitative indicator for the methane production potential of materials, the cumulative methane production reaches over 85% of the cumulative methane production at the end of the experiment. The BMP test time is shortened by 26.98% to 72.06%. Among the screened materials, the methane production potential (calculated using BMP1%) of dry rice straw, maize leaves, fresh rice, soybean straw, maize stalks, chicken manure hydrolysate, chicken feathers, kitchen/food waste, and chicken offal are 234.14, 241.01, 253.34, 331.40, 305.80, 508.41, 510.10, 630.7, and 621.32 mL/g, respectively. The kinetic parameters show that among the nine materials, cellulose materials (except for maize stalks and soybean straw), chicken manure, and kitchen waste are easily degradable materials. In contrast, chicken feathers and offal are slowly degradable materials. The study posits that comparing standardized methane production potential and methane production kinetic parameters among materials improves the efficiency of screening materials and is critical for biogas projects.

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Section: Analytic Proceduresmentioning

confidence: 99%

Investigating the Energy Potential and Degradation Kinetics of Nine Organic Substrates: Promulgating Sustainability in Developing Economies

Onu,

Pradhan

2024

Sustainability

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“…Although biogas production from aquaculture waste is generally less effective than from other raw materials (e.g., from fish processing waste it is possible to produce 20 mL g -1 of biogas per day, but from corn stover -40 mL g -1 of biogas per day), nevertheless, the aquaculture farm called "Nagļi" has the ability to supply enough raw materials to power a 100 kW electric biogas plant, which would address the issue of waste disposal while also generating electricity and heat for the farm's use. [8]- [10].…”

Section: Sergejs Osipovs Et Al the Influence Of Temperature Condition...mentioning

confidence: 99%

The Influence of Temperature Conditions on the Yield of Biogas and Methane, Which Is Obtained From Aquaculture Waste

Osipovs

Pučkins

2023

ETR

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The research looks into the potential of generating biogas from waste generated by aquaculture. The EDF-5.4_2 bioreactor, produced by "Biotehniskais centrs" (Latvia), was utilized for the experimental study. Samples of sludge from a fish farm located in Nagļu parish, Rēzekne district were collected and analysed for their moisture and organic matter content before being mixed with crushed reeds to increase the organic matter available for fermentation and biogas extraction.In this study, biogas was produced by mixing different ratios of sludge and reed residue. The yield of biogas varied based on the temperature, with the best results being achieved at 40°C. During the experiment, 2.75 L of biogas containing 37.3% methane was produced from the mixture of 1,200 g of fish farming sludge and 100 g of crushed reeds. Although the highest methane content of 40.16% was recorded at 43°C, the total amount of biogas produced was lower by 15% at this temperature.The least favourable results were recorded at 37°C, in terms of both the amount of biogas produced and the methane content. The experimental studies demonstrate that residues from aquaculture can be used for biogas production.

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“…This phenomenon might happen due to the high NaOH concentration leading to system inhibition (Lahboubi et al, 2022). Inhibition causes low biogas conversion and a high pH value, thus stopping biogas production (Shitophyta et al, 2020).…”

Section: Biodegradabilitymentioning

confidence: 99%

The Impact of Alkali Pretreatment and Organic Solvent Pretreatment on Biogas Production from Anaerobic Digestion of Food Waste

Shitophyta¹,

Padya²,

Zufar³

et al. 2022

J. Ecol. Eng.

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Anaerobic digestion of food waste is an encouraging technology for biogas production. Pretreatment of the substrate is needed to increase biodegradation. This study aimed to investigate the effect of alkali pretreatment and organic solvent pretreatment on biogas production. Physical pretreatment was also applied in this study. NaOH (0%, 2%, 4% and 6%) was used as alkali pretreatment. Ethanol (0, 2, 4 and 6%) was used as organic solvent pretreatment. The experiment was conducted in a 1 L batch digester under room temperature. Results showed that 0% NaOH generated the highest cumulative biogas yield of 46.1 mL/gVS. The best biodegradability of 37.5% was achieved in NaOH of 0%. The lower concentration of ethanol generated a higher biogas yield. The greatest cumulative yield of 41.5 mL/gVS was obtained at an ethanol concentration of 0% with a biodegradability of 33.84%. Statistical analysis proved that alkali pretreatment and organic solvent pretreatment had no significant effect on biogas production (p>0.05). Physical pretreatment had a significant effect (p<0.05) with the highest cumulative yield of 58.2 mL/gVS. The kinetic model proved that the modified Gompertz was a suitable model for predicting and simulating the kinetics of anaerobic digestion from food waste (R 2 > 0.9).

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Biogas Production from Corn Stover by Solid-State Anaerobic Co-digestion of Food Waste

Cited by 8 publications

References 23 publications

Investigating the Energy Potential and Degradation Kinetics of Nine Organic Substrates: Promulgating Sustainability in Developing Economies

Investigating the Energy Potential and Degradation Kinetics of Nine Organic Substrates: Promulgating Sustainability in Developing Economies

The Influence of Temperature Conditions on the Yield of Biogas and Methane, Which Is Obtained From Aquaculture Waste

The Impact of Alkali Pretreatment and Organic Solvent Pretreatment on Biogas Production from Anaerobic Digestion of Food Waste

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