Study on biogas production by anaerobic digestion of garden-waste

Gupta, Priyanka; Singh, R. B.; Sachan, Ashish; Vidyarthi, Ambarish Sharan; Gupta, Anish

doi:10.1016/j.fuel.2011.11.006

Cited by 35 publications

(19 citation statements)

References 6 publications

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“…1. This result has shown a clear contradiction to the other results as proven by [6] and [7] in their research. From the first week of the experiment, evaporation of the water as shown in Fig.…”

Section: A Control Experimentscontrasting

confidence: 99%

Production of Biogas from Rice Straw Using Paddy Rice Soil as Inoculant

Salleh¹,

Jalani²,

Rahman³

et al. 2017

JOCET

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Abstract-This research project is intended to study on the production of biogas from the anaerobic digestion of rice straw using paddy rice soil as the microbial inoculant. The study will be focusing on the identification of available potential feedstock from the research project's location which is Kampung Assum, investigating the suitable parameters for this digestion process and study its effects to biogas production. The parameters for the anaerobic digestion such as the ratio of soil to water and the pH are studied in depth in this research project while the temperature is set to be in a range of 35°C to 38°C for a mesophilic condition to be achieved. The soil to water ratio of 1:1, 1:1.5, 1:2, 1.5:1, and 2:1 have been done in parallel manner in fabricated biodigesters and incubator where 1:2 soil to water has produce the highest yield among all other ratios used. While for the pH study, a control experiment has been conducted intended for the study of the effect of pH on the digestion. Resulting from this study, the desirable initial pH for anaerobic digestion must be exceeding the pH value of 5.5. The combustibility test has shown a positive result where the gas produced is combusted with a blue flame without any foul smell.Index Terms-Anaerobic digestion, rice straw, microbial inoculant.

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Section: A Control Experimentscontrasting

confidence: 99%

Production of Biogas from Rice Straw Using Paddy Rice Soil as Inoculant

Salleh¹,

Jalani²,

Rahman³

et al. 2017

JOCET

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“…En effet, les milieux contenant les EU et la BB comme inoculum ont présenté les productions moyennes de CH 4 les plus significatives (respectivement de 16,30 ml de CH 4 et 16,22 ml de CH 4 ) (Tableau 2). Ces résultats révèlent une influence considérable de la nature de l'inoculum (Gupta et al, 2012).…”

Section: Effet De L'inoculum Sur La Production De Biogazunclassified

Optimisation de la production de biométhane à partir des déchets organiques municipaux

Nikiema¹,

Sawadogo²,

Somda³

et al. 2016

Int. J. Bio. Chem. Sci

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REMERCIEMENTS Nous remercions le CRSBAN (UEMOA) et le CIOSPB pour leur appui financier dans la conduite des travaux de recherche. RESUMELa gestion des déchets municipaux est devenue une préoccupation majeure dans les pays en développement, due au manque de politique et de stratégie adaptées. L'étude réalisée a porté sur la valorisation biotechnologique de la fraction biodégradable des déchets au Burkina Faso. Une analyse physico-chimique des déchets échantillonnés dans trois (3) centres de précollecte de déchets municipaux de Ouagadougou a été réalisée. L'influence du type d'inoculum (eaux usées, bouse bovine, flux de broyat de termites et une mixture de ces 3 inocula) et de la charge en substrat (déchets organiques) a été évaluée au cours d'essais de fermentation méthanique. Les résultats obtenus ont montré que les déchets organiques municipaux constituent un substrat de prédilection pour la méthanisation avec un ratio C/N de 31,65. Les essais de fermentation ont permis de noter que la bouse bovine comme inoculum avec une charge en déchets municipaux de 2% donnait la meilleure production de biométhane (297,65 l CH 4 / Kg MSV). Il ressort de cette étude que les déchets municipaux peuvent être traités par la voie de la biométhanisation car présentant un potentiel de bioconversion intéressant. © 2015 International Formulae Group. All rights reserved.Mots clés : Déchets organiques, digestion anaérobie, biométhane, environnement, Burkina Faso. Optimization of biomethane production from municipal solid organic wastes ABSTRACTMunicipal solid organic wastes management became a major preoccupation. The achieved study focuses the biotechnological valorization of the biodegradable fraction of solid organic wastes in Burkina Faso.M. NIKIEMA et al. / Int. J. Biol. Chem. Sci. 9(5): 2743-2756, 2015 2744 Physicochemical characterization analysis of solid wastes sampled in 03 Ouagadougou's centers of municipal wastes deposits was achieved. The influence of inoculum source (wastewater, bovine dung, termites' homogenate and mixture) and substrate concentration (municipal solid waste) were evaluated during biomethane production tests. Results showed that organic fraction of solid wastes represent a source of predilection for methanization with 31.65 C/N cow. Fermentation tests showed that bovine dung used as inoculum in 2% of municipal solid waste gave the highest rate of biomethane production (297.65 l CH 4 / Kg vs). The results demonstrate that municipal wastes can be valorized by biomethanization way because presenting interesting bioconversion potential.

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“…8,[11][12][13]22 Use of slowly degradable substrates may be feasible in combination with biological, chemical or physical pre-treatment, which increase substrate accessibility to microbes and lead to faster degradation. 23 Mauky et al 12 analysed feeding management strategies with sugar beet silage, maize silage and cattle manure in long term laboratory-scale experiments in continuously stirred tank reactors (CSTR), and found that high flexibility of biogas production could be achieved. A concern regarding feeding management is that abrupt changes in the feeding regime may lead to process disturbances such as rising volatile fatty acid (VFA) concentrations and reduced pH.…”

Section: Introductionmentioning

confidence: 99%

Demand-Orientated Power Production from Biogas: Modeling and Simulations under Swedish Conditions

et al. 2015

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The total share of intermittent renewable electricity is increasing, intensifying the need for power balancing in future electricity systems. Demand-orientated combined heat and power (CHP) production from biogas has potential for this purpose. An agricultural biogas plant, using cattle manure and sugar beet for biogas and CHP production was analysed here. The model Dynamic Biogas plant Model (DyBiM) was developed and connected to the Anaerobic Digestion Model No. 1 (ADM1). Flexible scenarios were simulated and compared against a reference scenario with continuous production, in order to evaluate the technical requirements and economic implications of demand-orientated production. The study was set in Swedish conditions regarding electricity and heat price and the flexibility approaches assessed were increased CHP and gas storage capacity and feeding management. The results showed that larger gas storage capacity was needed for demand-orientated CHP production, but that feeding management reduced the storage requirement because of fast biogas production response to feeding. Income from 2 electricity increased by 10%, applying simple electricity production strategies to a doubled CHP capacity. However, as a result of the currently low Swedish diurnal electricity price variation and lack of subsidies for demand-orientated electricity production, the increase in income was too low to cover the investment costs. Nevertheless, DyBiM proved to be a useful modelling tool for assessing the economic outcome of different flexibility scenarios for demand-orientated CHP production.

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Study on biogas production by anaerobic digestion of garden-waste

Cited by 35 publications

References 6 publications

Production of Biogas from Rice Straw Using Paddy Rice Soil as Inoculant

Production of Biogas from Rice Straw Using Paddy Rice Soil as Inoculant

Optimisation de la production de biométhane à partir des déchets organiques municipaux

Demand-Orientated Power Production from Biogas: Modeling and Simulations under Swedish Conditions

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