Biodiesel ‐Derived Raw Glycerol to Value‐Added Products: Catalytic Conversion Approach

Julkapli, Nurhidayatullaili Muhd; Dabdawb, Wageeh Abdulhadi Yehya; Mansouri, Negar

doi:10.1002/9781119441632.ch52

Cited by 4 publications

(3 citation statements)

References 338 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Finally, monoacetin is a good raw material for the production of biodegradable polyesters. It is also used as food additive and in the manufacture of dynamite due to its explosive properties [9]. Some of us have reported recently that sulfonic and phosphonic acid functionalized mesoporous silicas show high activity and good stability for glycerol acetylation to triacetin [10,11].…”

Section: Introductionmentioning

confidence: 99%

Use of Zirconium Phosphate-Sulphate as Acid Catalyst for Synthesis of Glycerol-Based Fuel Additives

et al. 2019

View full text Add to dashboard Cite

In the present work, zirconium phosphates and mixed zirconium phosphate–sulphate acid catalysts have been investigated in the acetylation of glycerol in order to obtain acetins as fuel additives. The following catalysts with chemical composition, Zr3(PO4)4, Zr(SO4)2, Zr2(PO4)2SO4, Zr3(PO4)2(SO4)3 and Zr4(PO4)2(SO4)5 have been prepared and characterized by acid capacity measurements, BET, XRD, FT-IR, XPS. The surface chemical composition in terms of P/Zr and S/Zr atomic ratios was monitored in the fresh and used catalysts. Zr3(PO4)2(SO4)3 and Zr4(PO4)2(SO4)5 showed the highest acidity associated with the synergic effect of two main crystalline phases, Zr2(PO4)2SO4 and Zr(SO4)2·4H2O. The reactions of glycerol acetylation were carried out by using a mass ratio of catalyst/glycerol equal to 5 wt% and molar ratio acetic acid/glycerol equal to 3:1. The glycerol conversion versus time was investigated over all the prepared samples in order to identify the best performing catalysts. Over Zr3(PO4)2(SO4)3 and Zr4(PO4)2(SO4)5 full glycerol conversion was achieved in 1 h only. Slightly lower conversion values were registered for Zr3(PO4)4 and Zr2(PO4)2SO4, while Zr(SO4)2 was the worst catalyst. Zr4(PO4)2(SO4)5 was the most selective catalyst and was used for recycling experiments up to five cycles. Despite a modest loss of activity, a drastic decrease of selectivity to tri- and diacetin was observed already after the first cycle. This finding was attributed to the leaching of sulphate groups as detected by XPS analysis of the spent catalyst.

show abstract

Section: Introductionmentioning

confidence: 99%

Use of Zirconium Phosphate-Sulphate as Acid Catalyst for Synthesis of Glycerol-Based Fuel Additives

et al. 2019

View full text Add to dashboard Cite

show abstract

“…To overcome these challenges, a viable option is biofuels, which have been receiving increasing attention because of being a neutral carbon source (5). Biofuels have the ability to reduce about 41% CO 2 emissions, have better engine performance due to complete combustion, require no modifications to diesel engine usage, and low price, which make them an environmentally friendly diesel replacement (6). Biodiesel is outstanding among the biofuels, and has become widely acceptable in the energy market owing to its unique features including higher cetane number, lack of sulfur, inherent lubricity, positive energy balance, higher flash point, non-toxicity, and high biodegradability (7,8).…”

Section: Introductionmentioning

confidence: 99%

Sustainability of biodiesel production in Malaysia by production of bio-oil from crude glycerol using microwave pyrolysis: a review

Nomanbhay

Hussein

Ong

2018

Green Chemistry Letters and Reviews

View full text Add to dashboard Cite

Biodiesel being one of the most promising renewable biofuels has seen rapid increase in production capacity due to high demand for diesel replacement; along with oversupply of its by-product, crude glycerol. Developing new industrial usage for glycerol is essential to defray the cost and sustainability of biodiesel industry and to promote the biodiesel industrialization. One of the approaches is by the transformation of glycerol into a liquid, referred as bio-oil through pyrolysis technology. Bio-oils produced by pyrolysis processes can be upgraded to produce transportation fuels or for power generation. However, current state of pyrolysis technologies are still major hurdles their development with respect to its commercial applications. Recently, microwave technology has attracted considerable attention as effective method for significantly reducing reaction time, improving the yields and selectivity of target products. Hence, this review strives extensively towards addressing the application of microwave-assisted technology applied to the pyrolysis process as a way of cost-effective and operationally feasible processes to directly utilize crude glycerol. The present review will focus on the pyrolyzed liquid product (bio-oil) derived by employing the microwave-assisted pyrolysis method. This review concludes that microwaveassisted glycerol conversion technology is a promising option as an alternative method to conventional glycerol conversion technology.

show abstract

“…In this sense, most works dedicate their efforts to design an electrocatalyst that could improve the route that enhances CO2 production and seek a way to circumvent the poisoning intermediates formed during the reaction [4,5]. Another promising application considers its use as a starting reagent for the electrochemical production of valuable chemicals, such as dihydroxyacetone, glyceric acid, and tartronic acid [6], as well as its use in an electrochemical reactor, to generate hydrogen as the main source of energy [7,8].…”

Section: Introductionmentioning

confidence: 99%

The effect of Pt surface orientation on the oscillatory electro-oxidation of glycerol

Colle

Melle²,

Previdello³

et al. 2022

Journal of Electroanalytical Chemistry

View full text Add to dashboard Cite

Biodiesel ‐Derived Raw Glycerol to Value‐Added Products: Catalytic Conversion Approach

Cited by 4 publications

References 338 publications

Use of Zirconium Phosphate-Sulphate as Acid Catalyst for Synthesis of Glycerol-Based Fuel Additives

Use of Zirconium Phosphate-Sulphate as Acid Catalyst for Synthesis of Glycerol-Based Fuel Additives

Sustainability of biodiesel production in Malaysia by production of bio-oil from crude glycerol using microwave pyrolysis: a review

The effect of Pt surface orientation on the oscillatory electro-oxidation of glycerol

Contact Info

Product

Resources

About