An entirely renewable biofuel production from used palm oil with supercritical ethanol at low molar ratio

Sakdasri, Winatta; Sawangkeaw, Ruengwit; Ngamprasertsith, Somkiat

doi:10.1590/0104-6632.20170344s20150660

Cited by 17 publications

(4 citation statements)

References 35 publications

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“…Gaurav et al [15] demonstrated that canola oil was reported as having palmitic, oleic and linoleic acid. Sakdasri et al [36] used waste palm oil from a restaurant and Giraçol et al [37] studied cooking soybean oil residues from homes for biodiesel production. Moreover, other residues, such as municipal wastewater, can be utilized to grow oleaginous algae commonly used for biodiesel production [32].…”

Section: Urban Wastesmentioning

confidence: 99%

Advances in Nanocatalysts Mediated Biodiesel Production: A Critical Appraisal

et al. 2020

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The excessive consumption of petroleum resources leads to global warming, fast depletion of petroleum reserves, as well as price instability of gasoline. Thus, there is a strong need for alternative renewable fuels to replace petroleum-derived fuels. The striking features of an alternative fuel include the low carbon footprints, renewability and affordability at manageable prices. Biodiesel, made from waste oils, animal fats, vegetal oils, is a totally renewable and non-toxic liquid fuel which has gained significant attraction in the world. Due to technological advancements in catalytic chemistry, biodiesel can be produced from a variety of feedstock employing a variety of catalysts and recovery technologies. Recently, several ground-breaking advancements have been made in nano-catalyst technology which showed the symmetrical correlation with cost competitive biodiesel production. Nanocatalysts have unique properties such as their selective reactivity, high activation energy and controlled rate of reaction, easy recovery and recyclability. Here, we present an overview of various feedstock used for biodiesel production, their composition and characteristics. The major focus of this review is to appraise the characterization of nanocatalysts, their effect on biodiesel production and methodologies of biodiesel production.

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Section: Urban Wastesmentioning

confidence: 99%

Advances in Nanocatalysts Mediated Biodiesel Production: A Critical Appraisal

et al. 2020

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“…2014), tung tree (Aleurites spp.) (CHEN et al, 2010;SHANG et al, 2010;SHARMA et al, 2011;ZORNITTA et al, 2017), sunflower seed (KNOTHE et al, 1997;REFAAT et al, 2008), rubber seed (KANT et al, 2011;RAMADHAS et al, 2004), jojoba (Simmondsia chinensis) (BORUGADDA & GOUD, 2012), oil palm (CHEAH et al, 2016;SAKDASRI et al, 2017), neem (Azadirachta indica) (ANYA et al, 2012;ARANSIOLA et al, 2012), sugarcane (Saccharum oficinarum) (BRIENZO et al, 2015;ISMAIL & ALI, 2015).…”

Section: Introductionmentioning

confidence: 99%

Soil Physical Quality Indices and Growth of Juveline Tung Bioenergy Oil Tree as Affected by Cover Crop Intercropping and Additional Poultry Manure

Awe

Reichert

Giacomini

2022

BJA

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This study aimed to evaluate the impacts of cover crop intercropping and poultry manure on soil physical quality indices and tung growth in a tung-based agroforestry system. Intercropped cover crops increased soil organic carbon, reduced bulk density and relative field capacity, increased available water, saturated hydraulic conductivity, air capacity, ratio air capacity/total porosity, and total nitrogen of the surface layer of the tung-based agroforestry system at the end of the two growing seasons. The soil quality index of the surface layer changed from low to average in tung plots with cover crops and followed the order: Tung+Crambe/Sunflower/Soybean ≈ Tung+Oat/Vetch/Peanut > sole tung. Poultry manure enhanced further the physical quality status of the tung field. The unprotected tung soil (sole tung) of the tung-based agroforestry system is degrading, thus conservation strategies including those evaluated in this study are advocated for securing the growing environment of juveline tree crops as well as achieving their production potentials.

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“…However, such feedstock types do usually have higher FFA content, which make them unsuitable for the conventional catalyst technologies. Even though the other alternative technologies such as acid catalysts, enzyme catalysts, supercritical alcohol, could not be well applied at industrial scale, they are proved to be efficient in producing fuel quality biodiesel from low‐cost feedstock with considerable FFA content 4–6 . Acid catalysts could help to catalyze esterification and transesterification reactions simultaneously; in this way there would be more biodiesel produced than using most other catalyst technologies.…”

Section: Introductionmentioning

confidence: 99%

“…Even though the other alternative technologies such as acid catalysts, enzyme catalysts, supercritical alcohol, could not be well applied at industrial scale, they are proved to be efficient in producing fuel quality biodiesel from low-cost feedstock with considerable FFA content. [4][5][6] Acid catalysts could help to catalyze esterification and transesterification reactions simultaneously; in this way there would be more biodiesel produced than using most other catalyst technologies. The heterogeneous acid catalysts do have additional advantages of easy recovery from the process for possible reuse a number of times.…”

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confidence: 99%

Biodiesel production process using solid acid catalyst: influence of market variables on the process's economic feasibility

Gebremariam

Marchetti

2021

Biofuels Bioprod Bioref

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There are a number of efficient alternative technologies for the production of fuel‐quality biodiesel from various feedstock types. The solid acid catalyzed transesterification process is one such approach. In this study, the whole process of biodiesel fuel production using solid acid catalysts has been simulated using commercially known software – SuperPro Designer – and the effects of some selected market variables on the economic feasibility of the whole process have been investigated. The market variables considered are oil cost, biodiesel price, alcohol cost, catalyst cost, labor cost, tax variation, maintenance cost, and glycerol selling price. Net present value and project payback time have been used as the parameters for evaluating the effect of changes in these market variables on the economic feasibility of the process. Possible market variations in oil cost and biodiesel price strongly affect the viability of the production process, whereas changes in labor cost and equipment maintenance cost could show less effect. © 2021 Society of Chemical Industry and John Wiley & Sons, Ltd

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An entirely renewable biofuel production from used palm oil with supercritical ethanol at low molar ratio

Cited by 17 publications

References 35 publications

Advances in Nanocatalysts Mediated Biodiesel Production: A Critical Appraisal

Advances in Nanocatalysts Mediated Biodiesel Production: A Critical Appraisal

Soil Physical Quality Indices and Growth of Juveline Tung Bioenergy Oil Tree as Affected by Cover Crop Intercropping and Additional Poultry Manure

Biodiesel production process using solid acid catalyst: influence of market variables on the process's economic feasibility

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