Biogas production from Napier grass and cattle slurry using a green energy technology

Souvannasouk, Vannasinh; Shen, Ming-Yan; Trejo, Marlen; Bhuyar, Prakash

doi:10.53894/ijirss.v4i3.74

Cited by 15 publications

(9 citation statements)

References 20 publications

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“…MM-2 [146]. The maximum CH 4 content of the co-digested treatment of Napier grass and cow farm slurry group for 45 days was increased to 64.4%, which was 3.4-fold higher than that of the untreated group [147]. A new discovered process of direct interspecies electron transfer (DIET) can help to an increase of biogas production by promoting rapid electron donation and acceptance of microbes during the anaerobic digestion [148].…”

Section: Biogasmentioning

confidence: 99%

Cultivation and Biorefinery of Microalgae (Chlorella sp.) for Producing Biofuels and Other Byproducts: A Review

et al. 2021

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Microalgae-based carbon dioxide (CO2) biofixation and biorefinery are the most efficient methods of biological CO2 reduction and reutilization. The diversification and high-value byproducts of microalgal biomass, known as microalgae-based biorefinery, are considered the most promising platforms for the sustainable development of energy and the environment, in addition to the improvement and integration of microalgal cultivation, scale-up, harvest, and extraction technologies. In this review, the factors influencing CO2 biofixation by microalgae, including microalgal strains, flue gas, wastewater, light, pH, temperature, and microalgae cultivation systems are summarized. Moreover, the biorefinery of Chlorella biomass for producing biofuels and its byproducts, such as fine chemicals, feed additives, and high-value products, are also discussed. The technical and economic assessments (TEAs) and life cycle assessments (LCAs) are introduced to evaluate the sustainability of microalgae CO2 fixation technology. This review provides detailed insights on the adjusted factors of microalgal cultivation to establish sustainable biological CO2 fixation technology, and the diversified applications of microalgal biomass in biorefinery. The economic and environmental sustainability, and the limitations and needs of microalgal CO2 fixation, are discussed. Finally, future research directions are provided for CO2 reduction by microalgae.

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Section: Biogasmentioning

confidence: 99%

Cultivation and Biorefinery of Microalgae (Chlorella sp.) for Producing Biofuels and Other Byproducts: A Review

et al. 2021

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“…However, co-fermentation of plants with other organic substrates is usually carried out for the effective synthesis of biogas. The grass and cattle slurry co-fermentation was used to increase the effectiveness of biogas production [ 8 ]. This increases the costs of implementing the biotechnology and its operation.…”

Section: Introductionmentioning

confidence: 99%

“…[ 29 ]. This process is extremely promising and economically beneficial for obtaining biogas [ 8 ]. However, its implementation is ensured by a diversified microbial community, which contains various physiological and taxonomic groups of microorganisms that gradually transform the available organic substrate into high-energy fuel.…”

Section: Introductionmentioning

confidence: 99%

Anaerobic Degradation of the Invasive Weed Solidago canadensis L. (goldenrod) and Copper Immobilization by a Community of Sulfate-Reducing and Methane-Producing Bacteria

Havryliuk

Hovorukha

Bida

et al. 2023

Plants

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The weed Solidago canadensis L. poses a global threat to the environment as it spreads uncontrollably on roadsides, in forests, fields, meadows, and farmland. Goldenrod emits toxic substances that suppress other plants on the site, displacing wild ones. Thus, goldenrod conquers huge areas very quickly. The use of herbicides and mechanical methods does not solve the problem of the spontaneous spread of goldenrod. On the other hand, many scientists consider goldenrod as a valuable source of biologically active substances: flavonoids, phenolic compounds, vitamins, etc. In this study, we consider Solidago plants as a promising, free (cheap), and renewable substrate for the production of methane gas. The goal of the study was to identify the main patterns of degradation of the Solidago canadensis L. plant by methane-producing and sulfate-reducing bacteria with methane gas production and simultaneous detoxification of toxic copper. The composition of the gas phase was monitored by gas chromatography. The pH and redox potential parameters were determined potentiometrically; metal concentrations were measured by photometry. The concentration of flavonoids, sugars and phenolic compounds in plant biomass was determined according to well-known protocols. As a result of the study, high efficiencies of methane degradation in the Solidago plant and copper detoxification were obtained. Methane yield has reached the value of 68.2 L kg−1 TS of Solidago canadensis L. biomass. The degradation coefficient (Kd) was also high at 21.4. The Cu(II) was effectively immobilized by methanogens and sulfate reducers during the goldenrod degradation at the initial concentrations of 500 mg L−1. Thus, a new method of beneficial application of invasive plants was presented. The result confirms the possibility of using methanogenic microorganisms to produce methane gas from invasive weeds and detoxification of toxic metals.

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“…The researches have been done on hybrid energy systems by various approaches. In [15], optimal scheduling and design of resources is done by memetic algorithm at connected mode to electrical company. The energy management by joint approach between renewable resources and household is proposed in [16].…”

Section: Introductionmentioning

confidence: 99%

Economic Performance of a Hybrid Renewable Energy System with Optimal Design of Resources

Dwijendra

Sharma

Asary

et al. 2022

Environmental and Climate Technologies

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The renewable energy is expanding in the sub-systems of distribution electrical grids, due to having low energy costs and high reliability. In this study, off-grid design of the hybrid energy system based-renewable resources is proposed for a house in Hamadan city in Iran. The resources are designed based on economic and climate data such as battery, solar cells, wind turbines, and electrolyser/fuel cell. The design of mentioned resources is done with attention to twofold optimization modelling including operation cost (OC) and net present cost (NPC). The modelling of resources is implemented in HOMER software based on optimal sizing and installation costs. In the numerical simulation, the three optimal designs are presented to meet electrical demand with minimum costs and high reliability.

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Biogas production from Napier grass and cattle slurry using a green energy technology

Cited by 15 publications

References 20 publications

Cultivation and Biorefinery of Microalgae (Chlorella sp.) for Producing Biofuels and Other Byproducts: A Review

Cultivation and Biorefinery of Microalgae (Chlorella sp.) for Producing Biofuels and Other Byproducts: A Review

Anaerobic Degradation of the Invasive Weed Solidago canadensis L. (goldenrod) and Copper Immobilization by a Community of Sulfate-Reducing and Methane-Producing Bacteria

Economic Performance of a Hybrid Renewable Energy System with Optimal Design of Resources

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