Fast pyrolysis from Napier grass for pyrolysis oil production by using circulating Fluidized Bed Reactor: Improvement of pyrolysis system and production cost

Suntivarakorn, Ratchaphon; Treedet, Wasakorn; Singbua, Piyapong; Teeramaetawat, N.

doi:10.1016/j.egyr.2018.08.004

Cited by 45 publications

(14 citation statements)

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“…However, the utilisation of biomass resources for electricity, biofuel, or biogas generation has not been extensively utilised or studied in most African countries [9][10][11]. From the different lignocellulosic materials currently available in Nigeria, Napier grass has been reported to be a particularly attractive feedstock for production of biofuels and bio-based products mainly due to its high cellulose content (34.2-40%), high yields per unit area, tolerance to drought, and a good water use efficiency (ratio of water used by the crop to water lost by evapotranspiration) [12][13][14][15][16][17].Napier grass is a perennial C4 plant endemic to Sub-Saharan Africa with a high heating value biomass (16.58 MJ/kg) [18]. This crop is mainly used to feed cattle, but it can also be used for grazing, silage, or hay production or fish food [15].…”

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Bioenergy Yields from Sequential Bioethanol and Biomethane Production: An Optimized Process Flow

et al. 2019

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This study investigates the potential of different stages of the bioethanol production process (pretreatment, hydrolysis, and distillation) for bioethanol and biomethane production, and studies the critical steps for the liquid and the solid fractions to be separated and discarded to improve the efficiency of the production chain. For this, Napier grass (a fast-growing grass) from Effurun town of Delta State in Nigeria was used and the novel pretreatment method, nitrogen explosive decompression (NED), was applied at different temperatures. The results show that the lowest glucose (13.7 g/L) and ethanol titers (8.4 g/L) were gained at 150 • C. The highest glucose recovery (31.3 g/L) was obtained at 200 • C and the maximum ethanol production (10.3 g/L) at 170 • C. Methane yields are higher in samples pretreated at lower temperatures. The maximum methane yields were reported in samples from the solid fraction of post-pretreatment (pretreated at 150 • C, 1.13 mol CH4/100 g) and solid fraction of the post-hydrolysis stage (pretreated at 150 • C, 1.00 mol CH4/100 g). The lowest biomethane production was noted in samples from the liquid fraction of post-pretreatment broth (between 0.14 mol CH4/100 g and 0.24 mol CH4/100 g). From the process point of view, samples from liquid fraction of post-pretreatment broth should be separated and discarded from the bioethanol production process, since they do not add value to the production chain. The results suggest that bioethanol and biomethane concentrations are influenced by the pretreatment temperature. Napier grass has potential for bioethanol and further biomethane production and it can be used as an alternative source of energy for the transportation sector in Nigeria and other countries rich in grasses and provide energy security to their population.alternative sources of energy that will decrease the share of fossil fuels utilised in the transportation sector and productive uses, reduce environmental concerns caused by the extensive utilization of these resources (e.g., climate change and global warming), increase energy security, and improve the access of the population to electricity. Renewable energy sources from lignocellulosic biomass have been reported as promising solutions to these problems [4]. Nowadays, biomass itself is responsible for 10% primary energy consumption worldwide [5] and it can be used as a promising feedstock for biofuel production. The sustainability of wastes and by-products as a biofuel for the transportation sector in a circular economy has been studied in the literature, in order to make the biogas-biomethane chain more sustainable [6][7][8]. These studies show the positive impact of biofuels in the transportation section in Europe. However, further research needs to be done in order to apply circular economy models to emerging economies.Sub-Saharan Africa has great potential to develop renewable energy sources, such as wind, biomass, solar, and hydro. Just in Nigeria, the biomass potential is about 144 million tonnes per year and the potenti...

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“…Napier grass is a perennial C4 plant endemic to Sub-Saharan Africa with a high heating value biomass (16.58 MJ/kg) [18]. This crop is mainly used to feed cattle, but it can also be used for grazing, silage, or hay production or fish food [15].…”

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confidence: 99%

Bioenergy Yields from Sequential Bioethanol and Biomethane Production: An Optimized Process Flow

et al. 2019

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“…The maximum pyrolysis oil production was 37 wt% at 480°C of bed temperature. The oil produced is applicable to steam engines and gas turbine engines but not to diesel engines [42].…”

Section: Industrial Applications Of Pyrolysismentioning

confidence: 99%

Introductory Chapter: Pyrolysis

Ibrahim¹

2020

Recent Advances in Pyrolysis

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“…4,079,832,435, -means that farmers in conducting their farming in producing rice commodities must use minimal costs in combining the inputs used so that the desired output can be achieved. Cost calculations are needed to prepare a production budget (Suntivarakorn, Treedet, Singbua, & Teeramaetawat, 2018). Cost savings can also be felt when there are government policies related to production factors (Science, Phenomena, Grassetti, Mammana, & Michetti, 2018).…”

Section: The Minimum Cost Of Rice and Corn Farming In The Central Arementioning

confidence: 99%

Production Analysis, Minimum Cost, and Profit in Sentra Production of Rice and Corn Farming in Padang Pariaman

Elita¹,

Sentosa²,

Sofyan³

2019

Proceedings of the Third Padang International Conference on Economics Education, Economics, Business and Management, Accounting

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This study aims to analyze the influence of input to output in the production process of rice and maize farming in the central paddy and corn production areas of Padang Pariaman Regency. This study also calculates the minimum production costs and the profit received. The data used are primary data and secondary data. The data analysis technique used is Multiple Linear Regression Analysis with Cobb-Douglas production function analysis. The results showed that land, seeds, fertilizers, and labor had a positive effect on rice and corn farming production. The minimum cost of rice farming is lower than corn farming. Corn profit is higher than rice profit.

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Fast pyrolysis from Napier grass for pyrolysis oil production by using circulating Fluidized Bed Reactor: Improvement of pyrolysis system and production cost

Cited by 45 publications

References 62 publications

Bioenergy Yields from Sequential Bioethanol and Biomethane Production: An Optimized Process Flow

Bioenergy Yields from Sequential Bioethanol and Biomethane Production: An Optimized Process Flow

Introductory Chapter: Pyrolysis

Production Analysis, Minimum Cost, and Profit in Sentra Production of Rice and Corn Farming in Padang Pariaman

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