Biogas production from co-digestion of orange peel waste and jatropha de-oiled cake in an anaerobic batch reactor

Elaiyaraju, Periyasamy; Partha, Nagarajan

doi:10.5897/ajb11.2622

Cited by 14 publications

(3 citation statements)

References 13 publications

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“…One of the most promising options is the use of OPW as a substrate for methane production through the anaerobic digestion process [5][6][7][8][9][10][11][12][13][14][15][16]. This is a biochemical process which consists in the decomposition of complex organic substances, contained in the biomass, into a gas, basically composed of methane and carbon dioxide, and used as a biofuel.…”

mentioning

confidence: 99%

Biomethane production tests on ensiled orange peel waste

Calabrò¹,

Panzera²

2017

IJHT

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mentioning

confidence: 99%

Biomethane production tests on ensiled orange peel waste

Calabrò¹,

Panzera²

2017

IJHT

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“…pH, EC, and TDS values were recorded on Crison Multimeter (Model number: "CRISON MM-40þ"). In anaerobic digesters, the biogas production was measured as methane production through liquid a displacement methods for duration of 80 days using the method described by Elaiyaraju and Partha (2012). During phytotoxicity experiment, seed germination assay was conducted where seed germination index, germination percentage, seedling length, and vigor index were measured.…”

Section: Anatical Methodsmentioning

confidence: 99%

Anaerobic Co-digestion of Catering and Agro-Industrial Waste: A Step Forward Toward Waste Biorefinery

2018

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In the present study, a biorefinery system is proposed using catering and agro industrial waste for biogas and low phytotoxic digestate. Anaerobic co-digestion of catering waste with partially pre-treated (microwave 800 J/g/min + steam 121 • C 40 min) maize crop residues was conducted under different composition (20-50%) of feedstock. The results showed that the biogas production was increased by 2.03 times in co-digestion experiment (40% partially pre-treated maize crop residue + 60% catering waste: TCM3) as compared to catering waste alone (control). The increment in accumulative methane 116.7 m 3 t −1 was recorded in TCM3 which is due to improvement in biodegradation under co-digestion process. The post digestion byproduct (residual digestate) was evaluated for its phytotoxicity which is supplied with aerobic post treatment. The post treatment has improved the digestate quality by decreasing VS/TS ratio from 259 to 173 g/L and slightly increase the pH from 7.29 to 8.32. Seed germination assay showed that the germination percentage (G%), germination index (GI) and vigor index (VI) were relatively higher with post treated digesate as compared to untreated digestate. In the germination test using wheat seeds, the post treated digestate (5% sol. extract) achieved higher values of GI and VI (46 and 609) whereas in untreated , values for these indices were 14 and 62, respectively. Overall the findings of the present study identify the significance co-digestion based waste biorefinery, in order to development of value added bio-products such as biogas and biofertilizers.

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“…The experiments were conducted over a period of 15 days, and the biogas production was quantified based on the liquid displacement method [1,14]. This method consist in a bottle containing a suitable liquid (NaOH 0.1 N) that is connected to the digesters with a hosepipe.…”

Section: Experimental Methodologymentioning

confidence: 99%

Evaluation of the biogas productivity potential of maize waste using ruminal fluid and pig manure

Castro-Cogollo¹,

Ramirez-Ramos²,

Ojeda-Delgado³

2018

ces

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In this research, the yield of biogas production through the anaerobic digestion of maize lignocellulosic wastes using pig manure and ruminal fluid as inoculums was evaluated. It was determined the best inoculum ratio, the effect of substrate particle size (0.5 mm, 1 mm, 2 mm, and in natura) and inoculum/substrate ratio (ISR) (1:1, 2:1, 3:1)) g of volatile solids (VS) inoculum/g VS substrate over the quantity of methane production. Some parameters such as total reducing sugars and volatile fatty acids were measured for the best operating condition. The ratio 80:20 w/w of the inoculums presented the highest methane production. The highest methane yield was 0,019 m 3 CH4/kg substrate VS, and the composition of the gas was 68.97 % of methane. It was observed that small substrate particle size and less quantity of inoculum organic load improved the methane production.

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Biogas production from co-digestion of orange peel waste and jatropha de-oiled cake in an anaerobic batch reactor

Cited by 14 publications

References 13 publications

Biomethane production tests on ensiled orange peel waste

Biomethane production tests on ensiled orange peel waste

Anaerobic Co-digestion of Catering and Agro-Industrial Waste: A Step Forward Toward Waste Biorefinery

Evaluation of the biogas productivity potential of maize waste using ruminal fluid and pig manure

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