Effects of particle size on anaerobic digestion of food waste

Izumi, Kouichi; Okishio, Yu-ki; Nagao, Norio; Niwa, Chiaki; Yamamoto, Shuichi; Toda, Tatsuki

doi:10.1016/j.ibiod.2010.06.013

Cited by 386 publications

(159 citation statements)

References 27 publications

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“…In spite of using the same grinding time, only 6.9% of the particles obtained a diameter of less than 0.25 mm, which indicates a lack of fine particles. Although accelerating the MBW transformation process can also increase the VFA concentration during the hydrolytic stage of AD; this can lead to inhibition of the microorganisms (Izumi et al, 2010). Although it is expected that, with a longer grinding time, the particle size should decrease, it was found that for times T2 and T3, particles larger than 2.0 mm predominated (48 and 46.4%, respectively) compared to that obtained with T1 (31.6%).…”

Section: Influence Of Particle Size On Ad Of Mbwmentioning

confidence: 99%

“…This figure indicates that 60% of the particles (D 60 ) for T1, T2, and T3 are smaller than 2.0, 2.2 and 2.8 mm, respectively, whereas the effective diameter (D 10 ) consists of particles with sizes less than 0.25, 0.33 and 0.388 mm, respectively. Upon finding 10% of the particles with this diameter, it was observed that there was no prevalence of these particles, which thereby avoids rapid acidification and possible inhibition; according to Izumi et al (2010), an excessive reduction in size can increase the VFA concentration in the reactor.…”

Section: Influence Of Particle Size On Ad Of Mbwmentioning

confidence: 99%

“…Banks et al (2010), in a large scale study, found that with particle sizes between 10 and 30 mm, the optimum methane production was achieved without reaching the point at which particle sizes can cause excessive production of volatile fatty acids (VFAs). In addition, Izumi et al (2010) observed that an excessive reduction in particle size could cause VFAs accumulation, which would decrease the gas production rate and the solubility of the materials subjected to digestion. Lindner et al (2015), evaluated different milling times (0 to 10 min).…”

Section: Introductionmentioning

confidence: 99%

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Anaerobic Digestion of Municipal Biowaste for the Production of Renewable Energy: Effect of Particle Size

Parra-Orobio

Torres–Lozada

Marmolejo-Rebellón

2017

Braz. J. Chem. Eng.

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-In recent years, Anaerobic Digestion (AD) has become an important technological alternative for the management of municipal biowaste (MBW) for both pollution control and obtaining renewable energy such as methane. One of the factors that most affects the AD of MBW is the particle size, particularly in the hydrolysis and lag phases, this last being in general the limiting stage of solid waste AD. This research evaluated on a laboratory scale the AD of MBW by evaluating Biochemical Methane Potential (BMP) at a temperature of 30 °C during 30 days and the influence of particle size. The particle sizes ranged between < 2 mm to 12.5 mm. Along the study, better results were observed for particle sizes < 2 mm, obtaining productions of methane and electrical energy of 128 mL gVS -1 and 2960.4 kWh week -1 respectively (19% higher than in reactors with larger particles), thus indicating lower costs for design and maintenance.

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Section: Influence Of Particle Size On Ad Of Mbwmentioning

confidence: 99%

Section: Influence Of Particle Size On Ad Of Mbwmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Anaerobic Digestion of Municipal Biowaste for the Production of Renewable Energy: Effect of Particle Size

Parra-Orobio

Torres–Lozada

Marmolejo-Rebellón

2017

Braz. J. Chem. Eng.

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“…This leads to higher plant growth and development (Izumi et al, 2010), which allows its use in the most diverse plant cultures, including sunflower.…”

Section: Introductionmentioning

confidence: 99%

Viability of Biofertilizer Produced by an Indian Biodigester Prototype Applied to Sunflower Plants

Moura¹,

Teixeira²,

Gondim³

et al. 2017

JAS

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Biodigesters have been used to convert biomass into biogas and biofertilizers. This energy use has been important for the reduction of solid waste pollution in the environment. This work aims to analyse the viability of the use of pig biofertilizer produced by an Indian biodigester prototype, monitored by a data acquisition system. The biodigester used was an Indian prototype built on a low cost material that is easy to acquire (polyvinyl chloride-PVC). After the biofertilizer production, we tested its efficiency and viability under conditions of vegetation house in the cultivation of sunflower plants. The experimental design was completely randomized in a factorial arrangement with 4 concentrations of biofertilizer (0, 40, 80 and 120 kg N ha -1 ) × 4 harvest periods (14, 21, 25 and 29 days after sowing). We evaluated biometric and vigor parameters by measurements of stem diameter, height of the aerial part, number of leaves and production of fresh and dry matter of roots, aerial and total parts, as well as the relative chlorophyll content. We performed the experiment with five repetitions using two plants each and we submitted the data to analysis of variance (ANOVA) and polynomial regression using the statistical software Sisvar 5.4. The functional Indian biodigester prototype produced a biofertilizer of excellent quality and viability as a biofertilizer for the initial growth of sunflower plants. The biofertilizer served as a nutritional source in the sunflower crop, since it provided increases in all the growth parameters analyzed in relation to the control group (plants in the absence of biofertilizer), especially in the concentration of 120 kg N ha -1 .

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“…이러한 이유로 많은 연구자들이 혐기소화 초기 반응인 가수분해 반응의 촉진을 통한 혐기소화 효율 증진 기술을 연구하였으며, 열처리 (Kepp et al, 2000;Pérez-Elvira et al, 2008), 약품(산, 염기) 처리 (Hamzawi et al, 1998), 산 화제(오존, 과산화수소) 처리 (Kianmehr et al, 2010), 미 생물 처리 (Hendriks and Zeeman, 2009;Carrére et al, 2010), 기계적 분쇄 처리 (Hendriks and Zeeman, 2009;Izumi et al, 2010), 초음파 및 마이크로파 처리 (Pilli et al, 2011;Luste and Luostarinen, 2011 …”

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Effect of the Pretreatment by Thermal Hydrolysis on Biochemical Methane Potential of Piggery Sludge

Kim¹,

Kim²,

Kim³

et al. 2012

Korean Journal of Soil Science and Fertilizer

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The objective of this study was to investigate the organic solubilization (SCOD) and improvement of methane production for pig slurry by thermal hydrolysis. A sludge cake was pretreated by thermal hydrolysis at different reaction temperatures ( , and 270℃ thermal hydrolysat were decreased from 36.4% to 9.6%, from 31.3% to 0.8%, and from 26.6% to 0.8%, respectively, with the S/I ratio change, respectively. In this study, the rise of thermal reaction temperature caused the decrease of anaerobic digestibility and methane production while organic materials of pig slurry were more solubilized.

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Effects of particle size on anaerobic digestion of food waste

Cited by 386 publications

References 27 publications

Anaerobic Digestion of Municipal Biowaste for the Production of Renewable Energy: Effect of Particle Size

Anaerobic Digestion of Municipal Biowaste for the Production of Renewable Energy: Effect of Particle Size

Viability of Biofertilizer Produced by an Indian Biodigester Prototype Applied to Sunflower Plants

Effect of the Pretreatment by Thermal Hydrolysis on Biochemical Methane Potential of Piggery Sludge

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