Experimental and feasibility assessment of biogas production by anaerobic digestion of fruit and vegetable waste from Joburg Market

Masebinu, S. O.; Akinlabi, Esther T.; Muzenda, Edison; Aboyade, A. O.; Mbohwa, Charles

doi:10.1016/j.wasman.2018.02.011

Cited by 52 publications

(27 citation statements)

References 68 publications

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“…During this stage, only VFA, TAN, and pH were tested to monitor the system’s recovery. Figure 3A shows a gradual decrease in VFA and TAN concentrations (from 1440 to 1000 and 1230 to 800, respectively) to fall within reported ranges for successfully running systems (Mao et al, 2015; Masebinu et al, 2018; Rajagopal et al, 2013, Ren et al, 2018). Accordingly, shifting to FVW, with decreased loading rate, can be considered a successful recovery strategy for ammonia inhibited digesters.…”

Section: Results and Analysissupporting

confidence: 51%

“…Those include the relatively high lignin content (15%), compared to FW which has higher proportions of lipids and carbohydrates, making FVW less suitable for methane generation (Zhao et al, 2016). Also, to ensure a stable operation of digesters treating fruit to vegetable waste alone, an optimum mix ratio of 2.2-to-2.8 should be maintained (Masebinu et al, 2018), in addition to the requirement of ensuring a variety of waste types for adequate provision of nutrients and a feasible generation of methane (288 and 516 L.g VS -1 ) (Edwiges et al, 2018). Accordingly, co-digestion of FVW with complementary substrate sources is recommended to avoid nutrient efficiency and ensure sustainable operation (Bouallagui et al, 2005; Edwiges et al, 2018; Li et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Anaerobic digestion of food waste with aerobic post-treatment: Effect of fruit and vegetable content

2018

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A mesophilic anaerobic digester, followed by a psychrophilic aerobic post-treatment, was used to treat food waste (FW) with different proportions of fruit and vegetable waste (FVW). Two types of FW were used: low fruit and vegetable mix (LFV, with 56.5% of FVW) and high fruit and vegetable mix (HFV, with 78.3% of FVW). The anaerobic digester fed with LFV failed at an organic loading rate of 1.6 g VS.L.d (volatile fatty acid (VFA) = 6000 mg.L) due to high ammonia (reaching 3000 mg.L). It was shown that, in an unstable anaerobic environment, ammonia is highly correlated ( r = 0.77) with VFA and is negatively correlated with volatile solids, total solids, and chemical oxygen demand (COD) removal rates ( r = 0.88, r = 0.71, and r = 0.91, respectively). In contrast, the anaerobic digester fed with HFV exhibited a stable performance (VFA = 1243 mg.L), with limited ammonia accumulation (940 mg.L). Methane generation was affected by the FVW content and reached 531 ml CH.g VS (CH = 52%) with LFV feed and 478 ml CH.g VS (CH = 57.4%) with HFV. The overall TS, VS and COD removal rates (all ranging between 94% and 97%), were closely similar for LFV and HFV. Accordingly, the aerobic post-treatment seems to compensate for the reduced performance of the disturbed anaerobic system fed with LFV.

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Section: Results and Analysissupporting

confidence: 51%

Section: Introductionmentioning

confidence: 99%

Anaerobic digestion of food waste with aerobic post-treatment: Effect of fruit and vegetable content

2018

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“…The se ranged from 0.44 to 4.39 €/tonne of waste per year (Table 1), as reported by Lin et al [26] and Aye and Widjaya [7]. Other different literature assessments, by Masebinu et al [32] and Budzianowski and Budzianowska [33], showed values, respectively, of 3.49 and 3.00 €/tonne per year.…”

Section: Economic Analysis: Cost and Benefitsupporting

confidence: 62%

“…However, this revenue can be quite different. For example, Masebinu et al showed an income from compost of 5.6 €/tonne of waste treated per year [32].…”

Section: Economic Analysis: Cost and Benefitmentioning

confidence: 99%

The Study of Economic and Environmental Viability of the Treatment of Organic Fraction of Municipal Solid Waste Using Monte Carlo Simulation

et al. 2020

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Valorization of municipal solid waste (MSW) plays a crucial role in a sustainable society and provides an opportunity to reduce carbon emissions. The economic and social viability of the treatment of the organic fraction of MSW (OFMSW) with a multi-scenario analysis (composting and anaerobic digestion for renewable electricity or for biomethane injection into natural gas networks) was studied using a Monte Carlo simulation. The cost of treating organic fraction of MSW to neutralize financial net present value (NPV) and social NPV through greenhouse gas emissions avoided was determined for each scenario. The costs considered were the investment and the operating and maintenance costs. The financial benefits from the revenue of subproducts depended on the scenario. The lowest average fee to neutralize the financial NPV was 6.38 €/tonne treated in anaerobic digestion for biomethane injection into natural gas networks, therefore, it was the most financially viable. The average social NPV calculated for biomethane injection into natural gas networks (16.60 €/tonne) was higher than that obtained for renewable electricity (13.59 €/tonne). According to the results, anaerobic digestion for biomethane injection into natural gas networks is the most socially and economically viable alternative for the treatment of OFMSW.

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“…Anaerobic digestion is a core waste treatment technology that can be used to reduce and stabilize organic matter of waste materials in an oxygen-free medium with different metabolic steps generated by a consortium of bacteria and archaea while simultaneously producing an energy carrier called biogas [1][2][3]. Products of anaerobic digestion process generated from different metabolic steps produce energy sources (methane, hydrogen) for boilers, internal combustion engines, fuel cells [4,5].…”

Section: Introductionmentioning

confidence: 99%

Energy Recovery and Greenhouse Gas Emission Reduction Potential of Bio-Waste in the Mediterranean Region of Turkey

Akyürek¹

2019

El-Cezeri Fen Ve Mühendislik Dergisi

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Continuous demand for global power generation has increased the attention on renewable energy sources. Biogas is one of the viable options for conversion of organic waste materials into green power and valuable products. In this study, the impact of biogas production from agricultural residues (wheat straw, barley straw, corn stover, cotton residue, olive residue, banana peel, sugarcane bagasse, tomato residue) and municipal solid waste (MSW) on reduction of greenhouse gas (GHG) emissions in Mediterranean Region of Turkey

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Experimental and feasibility assessment of biogas production by anaerobic digestion of fruit and vegetable waste from Joburg Market

Cited by 52 publications

References 68 publications

Anaerobic digestion of food waste with aerobic post-treatment: Effect of fruit and vegetable content

Anaerobic digestion of food waste with aerobic post-treatment: Effect of fruit and vegetable content

The Study of Economic and Environmental Viability of the Treatment of Organic Fraction of Municipal Solid Waste Using Monte Carlo Simulation

Energy Recovery and Greenhouse Gas Emission Reduction Potential of Bio-Waste in the Mediterranean Region of Turkey

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