scholarly journals Performance of an enzymatic packed bed reactor running on babassu oil to yield fatty ethyl esters (FAEE) in a solvent-free system

2015 ◽  
Vol 2 (2) ◽  
pp. 242-247 ◽  
Author(s):  
Aline Simões ◽  
Lucas Ramos ◽  
Larissa Freitas ◽  
Julio C. Santos ◽  
Gisella M. Zanin ◽  
...  
Keyword(s):  
Packed Bed ◽  
Solvent Free ◽  
Ethyl Esters ◽  
Packed Bed Reactor ◽  
Free System ◽  
Babassu Oil ◽  
Solvent Free System

scholarly journals Continuous Production of 2-Phenylethyl Acetate in a Solvent-Free System Using a Packed-Bed Reactor with Novozym® 435

Catalysts ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 714 ◽  
Author(s):  
Shang-Ming Huang ◽  
Hsin-Yi Huang ◽  
Yu-Min Chen ◽  
Chia-Hung Kuo ◽  
Chwen-Jen Shieh
Keyword(s):  
Chemical Synthesis ◽  
Flow Rate ◽  
Packed Bed ◽  
Solvent Free ◽  
Packed Bed Reactor ◽  
Packed Bed Bioreactor ◽  
Free System ◽  
Phenethyl Alcohol ◽  
Solvent Free System ◽  
Molar Conversion

2-Phenylethyl acetate (2-PEAc), a highly valued natural volatile ester, with a rose-like odor, is widely added in cosmetics, soaps, foods, and drinks to strengthen scent or flavour. Nowadays, 2-PEAc are commonly produced by chemical synthesis or extraction. Alternatively, biocatalysis is a potential method to replace chemical synthesis or extraction for the production of natural flavour. Continuous synthesis of 2-PEAc in a solvent-free system using a packed bed bioreactor through immobilized lipase-catalyzed transesterification of ethyl acetate (EA) with 2-phenethyl alcohol was studied. A Box–Behnken experimental design with three-level-three-factor, including 2-phenethyl alcohol (2-PE) concentration (100–500 mM), flow rate (1–5 mL min−1) and reaction temperature (45–65 °C), was selected to investigate their influence on the molar conversion of 2-PEAc. Then, response surface methodology and ridge max analysis were used to discuss in detail the optimal reaction conditions for the synthesis of 2-PEAc. The results indicated both 2-PE concentration and flow rate are significant factors in the molar conversion of 2-PEAc. Based on the ridge max analysis, the maximum molar conversion was 99.01 ± 0.09% under optimal conditions at a 2-PE concentration of 62.07 mM, a flow rate of 2.75 mL min−1, and a temperature of 54.03 °C, respectively. The continuous packed bed bioreactor showed good stability for 2-PEAc production, enabling operation for at least 72 h without a significant decrease of conversion.

Production of Fatty Acid Ethyl Esters from Waste Cooking Oil Using Novozym 435 in a Solvent-Free System

2015 ◽  
Vol 29 (12) ◽  
pp. 8074-8081 ◽  
Author(s):  
Débora M. Kochepka ◽  
Laís P. Dill ◽  
Gustavo H. Couto ◽  
Nadia Krieger ◽  
Luiz P. Ramos
Keyword(s):  
Fatty Acid ◽  
Waste Cooking Oil ◽  
Solvent Free ◽  
Fatty Acid Ethyl Esters ◽  
Ethyl Esters ◽  
Novozym 435 ◽  
Free System ◽  
Cooking Oil ◽  
Solvent Free System

Effects of a combination of lipases immobilised on desilicated and thiol-modified ZSM-5 for the synthesis of ethyl esters from macauba pulp oil in a solvent-free system

2018 ◽  
Vol 562 ◽  
pp. 241-249 ◽  
Author(s):  
Carina Akemi Araki ◽  
Sílvio Miguel Parmegiani Marcucci ◽  
Lidiane Sabino da Silva ◽  
Celso Hissao Maeda ◽  
Pedro Augusto Arroyo ◽  
...  
Keyword(s):  
Solvent Free ◽  
Ethyl Esters ◽  
Free System ◽  
Solvent Free System

Synthesis and component confirmation of biodiesel from palm oil and dimethyl carbonate catalyzed by immobilized-lipase in solvent-free system

Fuel ◽  
2010 ◽  
Vol 89 (12) ◽  
pp. 3960-3965 ◽  
Author(s):  
Liping Zhang ◽  
Shuzhen Sun ◽  
Zhong Xin ◽  
Boyang Sheng ◽  
Qun Liu
Keyword(s):  
Palm Oil ◽  
Dimethyl Carbonate ◽  
Immobilized Lipase ◽  
Solvent Free ◽  
Free System ◽  
Solvent Free System
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