Methane Concentration in Biogas Produced from Dejections of Milk Goats Fed with Different Diets

Mogami, Cristina Akemi; Souza, Criszoel Ferreira; Paim, V. T.; Tinôco, I. F. F.; Baêta,; Gates, Richard S.

doi:10.13031/2013.20929

Cited by 2 publications

(3 citation statements)

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“…It is therefore important that it undergoes a burning process before releasing it to the atmosphere. The physical, chemical and biological characteristic of cassava and other potential biomass can influence the biogas composition and yield (Mogami et al, 2006). In general, three key methods are in the thermo-chemical conversion of biomass.…”

Section: Biogas Productionmentioning

confidence: 99%

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2019

IJEEP

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Due to the increase in population, both developed and developing countries are facing mainly issues surrounding the future energy security and a better use of natural resources. Such present and future energy problems can be solved by the use of renewable energy sources. Among several renewable energy sources is a sustainable means of anaerobic digestion (AD) for production of gases. In the past, AD as a source of biogas was used mainly for degradation of waste materials or toxic compounds. However, recently, there has been great interest in producing biogas from energy crops. This paper presents an overview of state-of-the-art and future viewpoints related to the AD process for biogas production.

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Section: Biogas Productionmentioning

confidence: 99%

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2019

IJEEP

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“…The dairy industry produces residues in which whey is produced in the greatest volume. Many small dairy industries do not have the technological capability to treat or reuse whey (Mockaitis et al, 2006).Furthermore, due to high salt concentration and poor process stability in dairy waste, the co-digestion of different materials may enhance the anaerobic digestion because better carbon to nutrient balance may be created (El-Mashad and Zhang, 2006).Goat waste has around 2% nitrogen, 3% phosphorous (Orrico et al,2007) and over 80% methane (Mogami et al, 2006). Goat manure is used in fertilising treatments and for producing methane.…”

Section: In Englishmentioning

confidence: 99%

Anaerobic treatment of lactic waste and goat manure

et al. 2011

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Anaerobic digestion was carried out to obtain biogas from lactic waste in combination with goat manure. Waste from lactic products such as cream, cheese and whey was mixed with goat manure using three formulations; the quantity of waste from cream and cheese was maintained, and only the quantity of manure and whey was varied. Methanogenic bacteria obtained from predigestion of goat manure were used as inoculants. Temperature was 35°C and pH 7.0. Biogas methane percentage was determined by gas chromatography. The results showed that the highest methane concentration obtained was 82% with formulation III.

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“…However, the composition of biogas is very much depended on biomass type and properties. The physical, chemical and biological characteristic of biomass feedstock can affect the biogas composition and yield [21]. Composition of biogas plays an important role in performance of the biogas fuelled engine.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Compression Ratio on Performance of Generator Set Fuelled with Raw Biogas

Sudarsono

Susastriawan

Badrawada

et al. 2021

ARFMTS

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In order to utilize a raw biogas as a fuel of generator set (gen-set), it is important to figure out optimum operating parameter of the gen-set, i.e. compression ratio. The present work aims to investigate the effect of compression ratio on performance of 3 kW gen-set fuelled with raw biogas and to obtain optimum compression ratio for operation of the gen-set on raw biogas. The gen-set used in the present work is bi-fuel engine, i.e. fuelled with gasoline or LPG. The performance of the engine fuelled with raw biogas in terms of brake power, brake torque, brake specific fuel consumption, and thermal efficiency is evaluated at compression ratio of 7.5, 8.5, 9.5, and 10.5. The work is carried out under electrical load of 240, 420, and 600 Watt. The result indicates that compression ratio affects the rotational speed, brake power, brake torque, brake specific fuel consumption, and thermal efficiency of the gen-set. Optimum compression ratio for the gen-set fuelled with raw biogas is 9.5. At the optimum compression ratio, maximum brake power, brake torque, and thermal efficiency of are 450.37 W, 1.66 Nm, and 46.93%, respectively. Minimum brake specific fuel is 0.59 kg/kWh at the optimum compression ratio.

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Methane Concentration in Biogas Produced from Dejections of Milk Goats Fed with Different Diets

Cited by 2 publications

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Anaerobic treatment of lactic waste and goat manure

The Effect of Compression Ratio on Performance of Generator Set Fuelled with Raw Biogas

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