Kinetics evaluation of the ethyl esterification of long chain fatty acids using commercial montmorillonite K10 as catalyst

Kanda, Luis Ricardo Shigueyuki; Corazza, Marcos L.; Zatta, Leandro; Wypych, Fernando

doi:10.1016/j.fuel.2016.12.055

Cited by 38 publications

(24 citation statements)

References 44 publications

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“…As for the reaction conditions, the ranges of values were set in agreement with those of previous works (Kanda et al, 2017;Lisboa et al, 2013;Zatta et al, 2013) (even though the study by Kanda et al (2017) was performed using ethanol, which is less reactive than methanol). The stirring speed was fixed at 500 rpm for all the reactions, since this was demonstrated to be the optimum value (Lisboa et al, 2013;Zatta et al, 2013).…”

Section: Catalytic Testsmentioning

confidence: 91%

“…The controller also permitted setting the stirring speed and a pressure gauge attached to the reactor helped to monitor the pressure. A sampling system allowed the withdrawal of samples from inside of the reactor and the procedure was explained in details in a previous work of our research group (Kanda et al, 2017). In summary, it consisted of a tube extending near to the bottom of the reaction vessel, which allowed the sampling at chosen times of the reaction using a manually operated needle valve.…”

Section: Catalytic Testsmentioning

confidence: 99%

“…Montmorillonite K10 was selected as catalyst for esterification reactions, since activated clay minerals, in general, can be very interesting catalysts for esterification reactions, as reported by several authors (Kanda et al, 2017;Neji et al, 2011;Neji et al, 2009;Pires et al, 2013;Rezende et al, 2012;Santos et al, 2016;Zatta et al, 2012a;Zatta et al, 2012b;Zatta et al, 2011). Furthermore, reports in the literature about the use of this catalyst for the processing of highacidity oils are scarce.…”

Section: Introductionmentioning

confidence: 99%

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Preliminary Assessment of the Processing of High-Acidity Fatty Materials Using Solid Catalysts for the Obtainment of Fatty Acid Methyl Esters

Kanda

Hamerski

Corazza

2019

Braz. J. Chem. Eng.

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This work presents the processing of a high-acidity oil through sequential reactions of esterification using montmorillonite K10 and transesterification using zinc monoglycerolate. Since these solids had not been employed along with this approach beforehand, the objective of this work is to provide a general insight of the proposed process and demonstrate its technical feasibility. In this sense, the processing of a synthetic mixture containing soybean oil and lauric acid provided a reduction of the free fatty acid content from (40.8±0.1) % to (3.1±0.4) % after the esterification reaction and a fatty acid methyl ester yield of (95.4±0.2) % was obtained after the transesterification reaction. As compared to traditional homogeneous catalysts, the solid catalysts employed in this work require higher reaction times to achieve satisfactory ester yields but, on the other hand, they are less sensitive to the presence of both water and free fatty acids in the raw materials and can be easily recovered and reused. Therefore, the results accomplished may help the development of a technology for processing high-acidity fatty materials in order to obtain biodiesel, although its economic feasibility still needs a further assessment.

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Section: Catalytic Testsmentioning

confidence: 91%

Section: Catalytic Testsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Preliminary Assessment of the Processing of High-Acidity Fatty Materials Using Solid Catalysts for the Obtainment of Fatty Acid Methyl Esters

Kanda

Hamerski

Corazza

2019

Braz. J. Chem. Eng.

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“…Fatty acids (FAs) are an important group of raw chemical materials for industrial production of surfactants, soaps, cosmetics, lubricants, pharmaceutics, foods, plasticizers, paints, coatings, etc . FAs can also be converted into biodiesel by esterification with alcohol . Conventionally, fatty acids are mainly derived from vegetable oils and fats by hydrolysis.…”

Section: Introductionmentioning

confidence: 99%

“…Tin (IV) compounds were employed to catalyze the hydrolysis of triacylglycerides . Edible and non‐edible vegetable oils and animal fats were hydrolyzed by solid Fe‐Zn double‐metal cyanide (DMC) complexes catalyst . Nafion resin nanoparticles supported on mesoporous silica and tungstated zirconia were also used to catalyze the hydrolysis of tricaprylin as a model compound representing triglycerides .…”

Section: Introductionmentioning

confidence: 99%

An integrated process of catalytic hydrolysis and membrane separation for fatty acids production from lard oil

Ding

Lü³

et al. 2018

Can J Chem Eng

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An integrated process of catalytic hydrolysis and membrane separation was developed for fatty acids (FAs) production from lard oil. Both sulphonated cation exchange resin (SCER) and 0.98 g/g H 2 SO 4 as catalysts were used to produce fatty acids (FAs) from lard oil by three-step hydrolysis, respectively. Simultaneously, polyethersulphone (PES) ultrafiltration membrane was employed to separate glycerol and water from the products. The hydrophilicity and morphology of the pristine and used PES membranes were characterized by contact angle measurement and field-emission scanning electronic microscopy, respectively. The final optimal yields of FAs obtained by SCER and H 2 SO 4 catalysis at 100 8C and atmospheric pressure were 85.6 % at 16.0 h of operation and 94.5 % at 18.0 h of operation, respectively. Furthermore, the yield of FAs obtained from an integrated process of SCER-catalyzed hydrolysis and membrane separation achieved up to 99.9 % at 10.0 h, 90 8C, and operating pressure of 100 kPa.

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Reactions of Carboxylic Acids With an Alcohol Over Acid Materials

Castanheiro

2021

Biodiesel Technology and Applications

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Kinetics evaluation of the ethyl esterification of long chain fatty acids using commercial montmorillonite K10 as catalyst

Cited by 38 publications

References 44 publications

Preliminary Assessment of the Processing of High-Acidity Fatty Materials Using Solid Catalysts for the Obtainment of Fatty Acid Methyl Esters

Preliminary Assessment of the Processing of High-Acidity Fatty Materials Using Solid Catalysts for the Obtainment of Fatty Acid Methyl Esters

An integrated process of catalytic hydrolysis and membrane separation for fatty acids production from lard oil

Reactions of Carboxylic Acids With an Alcohol Over Acid Materials

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