Process intensification of catalytic liquid-liquid solid processes: Continuous biodiesel production using an immobilized lipase in a centrifugal contactor separator

Ilmi, Miftahul; Kloekhorst, Arjan; Winkelman, Jozef G. M.; Euverink, Gerrit Jan Willem; Hidayat, Chusnul; Heeres, Hero J.

doi:10.1016/j.cej.2017.03.070

Cited by 53 publications

(42 citation statements)

References 37 publications

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“…The CCCS basically consists of an outer static housing and an inner rotating centrifuge, which features the use of centrifugal field to enhance mixing/reaction (in an annular zone between the static housing and the centrifuge) and separation (in the centrifuge) within a single device in a continuous flow fashion ( Figure 1 ). 26 − 37 The CCCS was initially used to clean wastewater in the nuclear industry. 28 Later, its extended uses included oil–water separation 29 and liquid–liquid extraction.…”

Section: Introductionmentioning

confidence: 99%

“… Schematic representation of the continuous centrifugal contactor separator for use in heterogeneously catalyzed liquid–liquid reaction. Adapted from the work of Ilmi et al 37 ( ), used under Creative Commons Attribution 4.0 ( CC BY 4.0 ). …”

Section: Introductionmentioning

confidence: 99%

“…Higher FAME yields (e.g., 86%) could be further obtained in a cascade consisting of a continuously stirred tank reactor and a CCCS device in series. 37 …”

Section: Introductionmentioning

confidence: 99%

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Optimization of Biodiesel Production over Chicken Eggshell-Derived CaO Catalyst in a Continuous Centrifugal Contactor Separator

Fayyazi

Ghobadian

Bovenkamp

et al. 2018

Ind. Eng. Chem. Res.

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Solid calcium oxide (CaO) catalyst was prepared via the calcination of chicken eggshells as an environmentally friendly waste resource and incorporated in a continuous centrifugal contactor separator (CCCS) for intensified biodiesel synthesis. Biodiesel or fatty acid methyl esters (FAME) were produced via the transesterification of sunflower oil (containing 5 wt % tetrahydrofuran as a cosolvent) with methanol under 60 °C and separated from the glycerol and catalyst phases continuously in the CCCS. The influence of reaction parameters on biodiesel production was well modeled by response surface methodology. At an oil flow rate of 9 mL/min, an alcohol to oil molar ratio of 11:1, and a weight hourly space time (defined as the catalyst weight over the oil mass flow rate) of 0.050 h, an optimized FAME yield of 83.2% with a productivity of 638 kgFAME/(m3reactor·h) was achieved. CaO catalyst was reused without significant activity loss for at least four cycles.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Optimization of Biodiesel Production over Chicken Eggshell-Derived CaO Catalyst in a Continuous Centrifugal Contactor Separator

Fayyazi

Ghobadian

Bovenkamp

et al. 2018

Ind. Eng. Chem. Res.

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“…Enzymes can be immobilized by adsorption or covalent binding on a solid support, reticulation or inclusion in a capsule, matrix or fiber (Rios et al 2004). Enzyme immobilization has many advantages, such as use in continuous flow reactors, easy and selective enzyme recovery, and often long operational and storage stability (Antecka et al 2018;Cui et al 2018;Hu et al 2018;Ilmi et al 2017;Planchestainer et al 2017;Zhang et al 2014). Nevertheless, enzyme immobilization means a higher cost and often induces a loss of enzyme activity as high as 10-90%.…”

Section: Introductionmentioning

confidence: 99%

Dialysis membrane enclosed laccase catalysis combines a controlled conversion rate and recyclability without enzyme immobilization

Zhang

Wang

et al. 2020

AMB Expr

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Laccase is a versatile multicopper oxidase that holds great promise for many biotechnological applications. For such applications, it is essential to explore good biocatalytic systems for high activity and recyclability. The feasibility of membrane enclosed enzymatic catalysis (MEEC) for enzyme recycling with laccase was evaluated. The dialysis membrane enclosed laccase catalysis (DMELC) was tested for the conversion of the non-phenolic model substrate 2,2′-Azino-bis(3-ethylbenzthiazoline-6-sulfonate) (ABTS). Trametes versicolor laccase was found to be completely retained by the dialysis membrane during the process. The ABTS total conversion after DMELC reached the same values as the batch reaction of the enzyme in solution. The efficiency of DMELC conversion of ABTS under different process conditions including shaking speed, temperature, ABTS concentration and pH was investigated. The repetitive dialysis minimally affected the activity and the protein content of the enclosed laccase. DMELC retained 70.3 ± 0.8% of its initial conversion after 5 cycles. The usefulness of MEEC extends to other enzymes with the benefit of superior activity of an enzyme in solution and the recyclability which is normally only obtained with immobilized enzymes.

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“…Although, the traditional separation technologies used in biodiesel production includes the gravitational settling [3,4] and the centrifugal force [5,6], but it is inefficient for glycerol and water separation and delays in the purification process while increasing cost of post-treatment. Especially, the centrifuge technique requires high energy with large-volume of sample for rapid separation, resulting in considerably high operation cost, still traces of water and soap are not completely removed.…”

Section: Introductionmentioning

confidence: 99%

Development of Purification Process Using Electrocoagulation Technique for Biodiesel Produced via Homogeneous Catalyzed Transesterification Process of Refined Palm Oil

et al. 2020

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This work is focused on the preliminary development of purification process using electrocoagulation technique for biodiesel produced via homogeneous catalyzed transesterification process of refined palm oil (RPO) to shorten the separation process and reduce the water consumption during the final purification with water-washing process. Biodiesel as Fatty acid methyl esters (FAMEs) were produced via transesterification reaction of RPO as feedstock with methanol in the presence of sodium hydroxide derivative-catalyst at the optimal condition using conventional heating. Electrocoagulation separation process was in-house designed to investigate the effects of electrode configurations such as shapes, distances between electrodes and suitable applied AC high voltages (ranging from 1 to 9 kV) on the separation efficiency of glycerol and biodiesel. Results revealed that with the electrocoagulation process at room temperature using AC electrical current at high voltage of 3 kV (and low amperage) with a point to point electrode configuration and the vertical-distance between electrodes of 3 cm was very efficient and achieved higher free glycerol removal than using the conventional separation of the gravitational settling. Furthermore, the separation time was significantly shortened from typically > 24 h with the gravitational settling to 240 s (4 min) and the number of water-washing was reduced from 5 to 3 times during the final purification process. The final purity of biodiesel was 98.89%±0.25% with high quality according to standards of EN 14214 and ASTM D6751.

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Process intensification of catalytic liquid-liquid solid processes: Continuous biodiesel production using an immobilized lipase in a centrifugal contactor separator

Cited by 53 publications

References 37 publications

Optimization of Biodiesel Production over Chicken Eggshell-Derived CaO Catalyst in a Continuous Centrifugal Contactor Separator

Optimization of Biodiesel Production over Chicken Eggshell-Derived CaO Catalyst in a Continuous Centrifugal Contactor Separator

Dialysis membrane enclosed laccase catalysis combines a controlled conversion rate and recyclability without enzyme immobilization

Development of Purification Process Using Electrocoagulation Technique for Biodiesel Produced via Homogeneous Catalyzed Transesterification Process of Refined Palm Oil

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