Laboratory scale anaerobic digestion of fruit and vegetable solid waste

Lane, A. G.

doi:10.1016/0144-4565(84)90072-6

Cited by 70 publications

(21 citation statements)

References 6 publications

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“…The BMP results showed very good agreement between duplicate samples, with a specific methane yield of 0.352 L g -1 VS added. This is equivalent to 25.5 m 3 CH 4 per wet tonne, which reflects the high water content of the material and is fairly typical of literature values [4,9,12]. The semi-continuous trials achieved ~99% of the BMP despite the relatively short HRT, confirming both the rapid biodegradability of the substrate and the BMP results, which showed most of the gas production occurring in the first 10 days (Figure 6).…”

Section: 5-liter Digestion Trialsupporting

confidence: 62%

“…In a similar study, Mata-Alvarez et al [5] reported on the performance of a mesophilic single-stage stirred digester for the treatment of a mixture of fruit and vegetable wastes from a large food market, and found the maximum OLR that could be achieved was <3 g VS L -1 day -1 . Lane [6] also reported from experiments using completely mixed digesters with a FVW input that a loading above 4 g VS L -1 day -1 caused a fall in pH, lower gas yield and increased CO 2 content. These studies suggested that there may be some instability in the anaerobic digestion of FVW at high OLR.…”

Section: Introductionmentioning

confidence: 99%

“…In an early study by Lane [12], performance of a laboratory-scale digester treating residuals from fruit and vegetable processing was improved after the addition of a trace elements solution containing Fe, Zn, Mn, Cu and Mo. The conversion percentage for organic solids increased from 88 to 96%, with a corresponding increase in CH 4 content of the biogas.…”

Section: Introductionmentioning

confidence: 99%

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Strategies for stable anaerobic digestion of vegetable waste

2012

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International trade and the market demand for pre-prepared agricultural produce is not only increasing the total quantity of waste agricultural biomass but also centralising its availability, making it potentially useful for energy production. The current work considers the suitability of vegetable trimmings and rejects from high-value produce air-freighted between Africa and Europe as a feedstock for anaerobic digestion. The physical and chemical characteristics of a typical mixed vegetable waste of this type were determined and the theoretical energy yield predicted and compared to experimentally-determined calorific values, and to the energy recovered through a batch biochemical methane potential test. A semi-continuous digestion trial was then carried out with daily feed additions at different organic loading rates (OLR). At an OLR of 2 g VS L -1 day -1 the substrate gave a methane yield of 0.345 L g -1 VS added with VS destruction 81.3%, and showed that 76.2% of the measured calorific value of the waste could be reclaimed as methane. This was in good agreement with the estimated energy recovery of 68.6% based on reaction stoichiometry, and was 99% of the biochemical methane potential (BMP). Higher loading rates reduced the specific methane yield and energy conversion efficiency, and led to a drop in digester pH which could not be effectively controlled by alkali additions. To maintain digester stability it was necessary to supplement with additional trace elements including tungsten, which allowed loading rates up to 4 g VS L -1 day -1 to be achieved. Stability was also improved by addition of yeast extract (YE), but the higher gas yield obtained was as a result of the contribution made by the YE and no synergy was shown. Co-digestion using card packaging and cattle slurry as co-substrates also proved to be an effective means of restoring and maintaining stable operating conditions.

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Section: 5-liter Digestion Trialsupporting

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Strategies for stable anaerobic digestion of vegetable waste

2012

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“…근채류도 여러 학자에 의해 연 구가 진행되었으며, 가장 많이 연구된 작물은 당근 (Buffiere et al, 2006;Gunaseelan, 2004)과 사탕무 (Gunaseelan, 2004;Lane, 1984;Lehtom ki et al, 2004;Zubr, 1986)였다.…”

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“…Other Crops (72) Fodder Crops (43) Comfrey (2) VSadded (Gunaseelan, 1997;Sharma et al, 1989;Zubr, 1986), 배추 0.343∼382 m 3 kg -1 VSadded (Zubr, 1986), 아스파라거 스 0.219 (Lane, 1984), 0,460 (Gunaseelan, 1997) m 3 kg -1…”

mentioning

confidence: 99%

Biochemical Methane Potential of Agricultural Waste Biomass

Shin¹,

Kim²,

Lee³

et al. 2011

Korean Journal of Soil Science and Fertilizer

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Recently, anaerobic methane production of agricultural waste biomass has received increasing attention. Until now domestic BMP (Biochemical methane potential) studies concerned with agricultural waste biomass have concentrated on the several waste biomass such as livestock manure, food waste, and sewage sludge from WWTP (Waste water treatment plant). Especially, the lack of standardization study of BMP assay method has caused the confused comprehension and interpretation in the comparison of BMP results from various researchers. Germany and USA had established the standard methods, VDI 4630 and ASTM E2170-01, for the analysis of BMP and anaerobic organic degradation, respectively. In this review, BMP was defined in the aspect of organic material represented as COD (Chemical oxygen demand) and VS (Volatile solid), and the influence of several parameters on the methane potential of the feedstock was presented. In the investigation of domestic BMP case studies, BMP results of 18 biomass species generating from agriculture and agro-industry were presented. And BMP results of crop species reported from foreign case studies were presented according to the classification system of crops such as food crop, vegetables, oil seed and specialty crop, orchards, and fodder and energy crop. This review emphasizes the urgent need for characterizing the innumerable kind of biomass by their capability on methane production.

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Effect of variation in the C/[N+P] ratio on anaerobic digestion

Gil

Siles

Serrano

et al. 2018

Env Prog and Sustain Energy

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The importance of the balance between the nutrients in the anaerobic digestion process was assessed at laboratory scale. A soluble synthetic solution was used as substrate. The variable used to monitor the proportion of nutrients in the substrate was the [C]/[N + P] ratio expressed as equivalents of each element. A blank assay with a constant ratio of 53 and three experiments in which this variable was modified in the range 53–1 were performed. An increase in the concentration of nitrogen and phosphorus both separately and in combination was observed. The most relevant results show a loss of N in the biogas in the form of NH3 for concentrations of around 400 mg N soluble/L in the liquid phase of the reaction, and a loss of soluble phosphorus in the form of calcium phosphate due to precipitation at concentrations above 250 mg P soluble/L, regardless of the experimental procedure. No significant effects were observed in the production of biogas for a ratio in the range 53–40, while biogas production decreased by 8% for a ratio of 20 when both N and P increased in the best of cases and by up to 46% when only N increased. © 2018 American Institute of Chemical Engineers Environ Prog, 38: 228–236, 2019

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Laboratory scale anaerobic digestion of fruit and vegetable solid waste

Cited by 70 publications

References 6 publications

Strategies for stable anaerobic digestion of vegetable waste

Strategies for stable anaerobic digestion of vegetable waste

Biochemical Methane Potential of Agricultural Waste Biomass

Effect of variation in the C/[N+P] ratio on anaerobic digestion

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