Process intensification using corning ® advanced-flow™ reactor for continuous flow synthesis of biodiesel from fresh oil and used cooking oil

Suranani, Srinath; Maralla, Yadagiri; Gaikwad, Shekhar M.; Sonawane, Shirish H.

doi:10.1016/j.cep.2018.02.013

Cited by 22 publications

(13 citation statements)

References 32 publications

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“…Advanced-Flow TM Reactors (AFR) from Corning ( Suranani et al, 2018 ) have also been used in a number of applications from biodiesel to the production of Active Pharmaceutical Ingredients (APIs) in pharma industry. It is interesting to note the patented HEART design of the mixers elements.…”

Section: Models To Describe Fluid Flow In Real Reactorsmentioning

confidence: 99%

Residence time distribution (RTD) revisited

Rodrigues

2021

Chemical Engineering Science

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Residence Time Distribution (RTD) theory is revisited and tracer technology discussed. The background of RTD following Danckwerts ideas is presented by introducing “distribution” functions for residence time, internal age and intensity function and how to experimentally obtain them with tracer techniques (curves C and F of Danckwerts). Compartment models to describe fluid flow in real reactors are reviewed and progressive modeling of chromatographic processes discussed in some detail. The shortcomings of Standard Dispersion Model (SDM) are addressed, the Taylor-Aris model discussed and the Wave Model of Westerterp’s group introduced. The contribution of Computational Fluid Dynamics (CFD) is highlighted to calculate RTD from momentum and mass transport equations and to access spatial age distribution and degree of mixing. Finally smart RTD and future challenges are discussed.

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Section: Models To Describe Fluid Flow In Real Reactorsmentioning

confidence: 99%

Residence time distribution (RTD) revisited

Rodrigues

2021

Chemical Engineering Science

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“…Suranani et al [ 41 ] studied continuous high-yield transesterification of cooking oils catalyzed by sulfuric acid under thermal activation at 80 °C in an Advanced Flow Reactor. However, application of a corrosive homogeneous catalyst may be very problematic for product separation and maintenance of equipment, whereas inert solid-phase catalysts lack these drawbacks.…”

Section: Resultsmentioning

confidence: 99%

Sol–Gel Entrapped Lewis Acids as Catalysts for Biodiesel Production

et al. 2020

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Replacing fossil fuels with biodiesel enables the emission of greenhouse gases to be decreased and reduces dependence on fossil fuels in countries with poor natural resources. Biodiesel can be produced by an esterification reaction between free fatty acids (FFAs) and methanol or by transesterification of triglycerides from oils. Both reactions require homogeneous or heterogeneous catalysis. Production of biodiesel catalyzed by heterogeneous catalysts seems to be the preferred route, enabling easy product separation. As we have previously shown, the Lewis acids AlCl3 and BF3 can serve as highly efficient catalysts under ultrasonic activation. The present study focused on the development of oleic acid (OA) esterification with methanol by the same catalysts immobilized in silica matrices using the sol–gel synthesis route. During the course of immobilization, AlCl3 converts to AlCl3 × 6H2O (aluminite) and BF3 is hydrolyzed with the production of B2O3. The immobilized catalysts can be reused or involved in a continuous process. The possibility of biodiesel production using immobilized catalysts under ultrasonic activation is shown for the conversion of FFAs into biodiesel in batch and continuous mode.

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“…To deal with these problems, the process intensification approach which combines different phenomena into one unit can be applied. Several intensified processes were proposed to improve the biodiesel production such as reactive distillation, microwave irradiation, ultrasonic cavitation, and hydrodynamic cavitation reactor [ [10] , [11] , [12] , [13] ]. The use of a reactive distillation could enhance the biodiesel yield from both transesterification and esterification and decrease the investment cost by decreasing the number of operating units [ 14 ].…”

Section: Introductionmentioning

confidence: 99%