Lipase catalyzed methanolysis to produce biodiesel: Optimization of the biodiesel production

Nie, Kaili; Xie, Feng; Wang, Fang; Tan, Tianwei

doi:10.1016/j.molcatb.2006.07.016

Cited by 293 publications

(137 citation statements)

References 12 publications

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“…With a space time of 46 min, they reached a conversion of around 75% using Novozym 435 which compares favorably with many batch experiments. Nie et al (2006) reached a conversion of between 30% and 32% with 1:1 molar ratio of oil:methanol, so maximum conversion was 33%. This was with a space time of between 127 and 51 min using Candida sp.…”

Section: Reactor Configurationsmentioning

confidence: 97%

“…Possible solutions could be CSTRs, PBRs, fluid beds, expanding bed, recirculation membrane reactors or once through reactors with static mixers. All have been tested in laboratory scale (Dossat et al, 1999;Hsu et al, 2004;Nie et al, 2006;Royon et al, 2007;Shaw et al, 2008;Shibasaki-Kitakawa et al, 2007;Shimada et al, 2002;Dubé et al, 2007;Darnoko and Cheryan, 2000). PBRs have been tested in the laboratory by Shaw et al (2008) for biodiesel production from soybean oil using n-hexane:tert-butanol (9:1, v/v) as cosolvent for methanol.…”

Section: Reactor Configurationsmentioning

confidence: 99%

See 1 more Smart Citation

A review of the current state of biodiesel production using enzymatic transesterification

Fjerbæk

Christensen

Norddahl

2009

Biotech & Bioengineering

667

459

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Enzymatic biodiesel production has been investigated intensively, but is presently employed industrially only in a 20,000 tons/year pilot plant in China (Du et al. [2008] Appl Microbiol Technol 79(3):331-337). This review presents a critical analysis of the current status of research in this area and accentuates the main obstacles to the widespread use of enzymes for commercial biodiesel transesterification. Improved results for enzymatic catalysis are seen with respect to increased yield, reaction time and stability, but the performance and price of the enzymes need further advances for them to become attractive industrially for biodiesel production. Critical aspects such as mass transfer limitations, use of solvents and water activity are discussed together with process considerations and evaluation of possible reactor configurations, if industrial production with enzymes is to be carried out. Results of published studies on the productivity of enzymes are also presented and compared to the use of chemical catalysts.

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Section: Reactor Configurationsmentioning

confidence: 97%

Section: Reactor Configurationsmentioning

confidence: 99%

A review of the current state of biodiesel production using enzymatic transesterification

Fjerbæk

Christensen

Norddahl

2009

Biotech & Bioengineering

667

459

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“…It has been shown that the highest biodiesel yield with lipase from C. antarctica was achieved with n-hexane as solvent. The lowest yields were obtained with polar solvents such as acetone (Nie et al 2006). High yields were achieved in the transesterification reaction with immobilized lipase from Pseudomonas fluorescens with 1, 4-dioxane as solvent (Iso et al 2001).…”

Section: Solvent Engineering and Acyl Acceptor Selectionmentioning

confidence: 99%

“…Different immobilization techniques of lipases used as catalysts in biodiesel production are summarized in Table 2. Adsorption is the most widely used method for lipase immobilization primarily because procedure is easy, conditions are mild and the method itself is cheap (Hilal et al, 2006;Nie et al, 2006;Yagiz et al, 2007). This technique involves no toxic chemicals, supports can be regenerated for repeated use, and there is no major activity loss.…”

Section: Lipases Immobilizationmentioning

confidence: 99%

Biodiesel Fuel Production by Enzymatic Transesterification of Oils: Recent Trends, Challenges and Future Perspectives

Luković¹,

Knežević‐Jugović²,

Bezbradica³

2011

Alternative Fuel

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“…Biodiesel is one of such renewable alternative fuel derived from triglycerides by transesterification of vegetable oils and animal fats (Nie, et al, 2006;Shibasaki-Kitakawa et al, 2007, Aworanti et al, 2013 Biodiesel is sustainable, renewable, biodegradable, safe to handle and simple to use, environmental friendly, non-toxic, and essentially free of sulphur and aromatics. (Monyem et al, 2001, Highina et al, 2012.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Process Parameters for Biodiesel Production Using Response Surface Methodology

Bello¹,

Ogedengbe²,

Lajide³

et al. 2016

AJEE

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Abstract:The effect of five process parameters namely: reaction time, reaction temperature, stir speed, catalyst concentration and methanol-oil ratio on the transesterification process of waste frying oil to biodiesel were investigated. Optimization of the five process parameters and their quadratic cross effect was carried out using a four level-five factor central composite experimental design model and response surface methodology with each factor varied over four levels. Taking the biodiesel yield as the response of the designed experiment, the data obtained were statistically analysed to get a suitable model for optimization of biodiesel yield as a function of the five independent process parameters. The optimization produced 30 feasible solutions whose desirability equals to 1 and the selected (most desirable) condition was found to be: reaction time (3 hrs), reaction temperature (58°C), stir speed (305.5 rpm), catalyst concentration (1.4 wt%) and methanol to oil ratio (6:1), while the optimum yield of biodiesel for this condition was found to be 91.6%. The developed model was tested and validated for adequacy by substituting random experimental values as input parameters and the output parameters from the developed model were close to the experimental values. The biodiesel properties were characterized and the results obtained were found to satisfy the standard for both the ASTM D 6751 and EN 14214.

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Lipase catalyzed methanolysis to produce biodiesel: Optimization of the biodiesel production

Cited by 293 publications

References 12 publications

A review of the current state of biodiesel production using enzymatic transesterification

A review of the current state of biodiesel production using enzymatic transesterification

Biodiesel Fuel Production by Enzymatic Transesterification of Oils: Recent Trends, Challenges and Future Perspectives

Optimization of Process Parameters for Biodiesel Production Using Response Surface Methodology

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