One-step biodiesel production from waste cooking oils over metal incorporated MCM-41; positive effect of template

Pirouzmand, Mahtab; Anakhatoon, Mehri Mahdavi; Ghasemi, Zarrin

doi:10.1016/j.fuel.2017.11.138

Cited by 41 publications

(8 citation statements)

References 24 publications

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“…145 Prior studies from literature revealed that the enzyme-based catalysts have various advantages over other catalysts, such as being environmentally benign, operating at mild reaction conditions and displaying high specicity. 432 Unfortunately, due to their sensitivity towards heat, poor operational stability and narrow pH range, the use of such catalysts for the industrial scale production of biodiesel is not a wise choice. 433 However, the immobilized lipase has various advantages compared to free lipase, such as cost-effectiveness, high thermal stability and greater tolerance to pH changes.…”

Section: Catalyst Comparisonmentioning

confidence: 99%

Widely used catalysts in biodiesel production: a review

et al. 2020

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Section: Catalyst Comparisonmentioning

confidence: 99%

Widely used catalysts in biodiesel production: a review

et al. 2020

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“…Biodiesel can be produced from crop oils [51][52][53], waste cooking oils [54][55][56][57][58][59], animal fat [60][61][62][63][64][65][66], and microalgae oils. Hence, earlier studies have focused on determining the chemical composition of several lipids in these raw materials [67].…”

Section: Factors Affecting Enzymatic Biodiesel Production Lipid Sourcementioning

confidence: 99%

Advances in Enzyme and Ionic Liquid Immobilization for Enhanced in MOFs for Biodiesel Production

et al. 2021

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Biodiesel is a promising candidate for sustainable and renewable energy and extensive research is being conducted worldwide to optimize its production process. The employed catalyst is an important parameter in biodiesel production. Metal–organic frameworks (MOFs), which are a set of highly porous materials comprising coordinated bonds between metals and organic ligands, have recently been proposed as catalysts. MOFs exhibit high tunability, possess high crystallinity and surface area, and their order can vary from the atomic to the microscale level. However, their catalytic sites are confined inside their porous structure, limiting their accessibility for biodiesel production. Modification of MOF structure by immobilizing enzymes or ionic liquids (ILs) could be a solution to this challenge and can lead to better performance and provide catalytic systems with higher activities. This review compiles the recent advances in catalytic transesterification for biodiesel production using enzymes or ILs. The available literature clearly indicates that MOFs are the most suitable immobilization supports, leading to higher biodiesel production without affecting the catalytic activity while increasing the catalyst stability and reusability in several cycles.

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“…145 Literatures revealed that enzyme-based catalyst have various advantages over other catalyst such as environmentally benign, operate at mild reaction conditions and display high specificity. 432 Unfortunately, due to their sensitivity towards heat, poor operational stability and narrow pH range, the use of such catalyst for industrial scale production of biodiesel is not a wise choice. 433 However, immobilized lipase has various advantages compared to free lipase such as cost-effective, high thermal stability and greater tolerance to pH change.…”

Section: Biodiesel Production Processmentioning

confidence: 99%

Widely Used Catalysts in Biodiesel Production: A Review

Changmai¹,

Vanlalveni²,

Bhagat³

et al. 2020

Preprint

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<p>An ever-increasing energy demand and environmental problems associated with exhaustible fossil fuels have led to the search for an alternative renewable source of energy. In this context, biodiesel has attracted attention worldwide as an alternative to fossil fuel for being renewable, non-toxic, biodegradable, carbon-neutral; hence eco-friendly. Despite homogeneous catalyst has its own merits, currently, much attention has been paid to chemically synthesize heterogeneous catalysts for biodiesel production as it can be tuned as per specific requirement, easily recovered, thus enhance reusability. Recently, biomass-derived heterogeneous catalysts have risen to the forefront of biodiesel productions because of their sustainable, economical and eco-friendly nature. Further, nano and bifunctional catalysts have emerged as a powerful catalyst largely due to their high surface area and potential to convert free fatty acids and triglycerides to biodiesel, respectively. This review highlighted the latest synthesis routes of various types of catalysts including acidic, basic, bifunctional and nanocatalysts derived from different chemicals as well as biomass. In addition, the impacts of different methods of preparation of catalysts on the yield of biodiesel are also discussed in details.</p>

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One-step biodiesel production from waste cooking oils over metal incorporated MCM-41; positive effect of template

Cited by 41 publications

References 24 publications

Widely used catalysts in biodiesel production: a review

Widely used catalysts in biodiesel production: a review

Advances in Enzyme and Ionic Liquid Immobilization for Enhanced in MOFs for Biodiesel Production

Widely Used Catalysts in Biodiesel Production: A Review

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