☆ 4.5 Article

Process intensification in the ketalization of glycerol with acetone catalyzed by NaHSO4-NaOH catalytic system

CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION (2023)

Related references

Note: Only part of the references are listed.

Review Multidisciplinary Sciences

A concise review of glycerol derivatives for use as fuel additives

A. L. Olson et al.

Summary: Due to renewable fuel mandates, the increased production of biodiesel has resulted in an oversupply of low-cost glycerol, which may negatively impact the sustainability of the biodiesel industry. To address this issue, researchers have investigated the transformation of glycerol into value-added products, particularly additives for internal combustion engine fuels. This study provides a summary of the literature on the chemical pathways for converting glycerol into fuel additives, with a focus on glycerol acetals/ketals, ethers, and esters (acetates). The effectiveness of different glycerol-derived compounds is illustrated through various examples from the literature, and research gaps and suggestions for future work are also identified.

HELIYON (2023)

Add to Collection

Article Chemistry, Inorganic & Nuclear

Catalysis for Oleochemical Platforms

Maria Elena Cucciolito et al.

Summary: This review summarizes the latest efforts in the catalytic treatment of biomasses derived from vegetable oils by the Department of Chemical Sciences of the University of Naples Federico II. The review focuses on several technologies aimed at producing biofuels or valuable chemicals, including biodiesel production, esterification for high-added value products, epoxidation of vegetable oils, glycerol ketalization, and oxidative cleavage of unsaturated fatty acids. The results are critically summarized to highlight scientific activities and main achievements in the field of biorefinery concept.

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY (2023)

Add to Collection

Article Energy & Fuels

Microwave-assisted valorization of glycerol to solketal using biomass-derived heterogeneous catalyst

Supongsenla Ao et al.

Summary: The conversion of glycerol to solketal, a fuel additive, was successfully achieved using a sulfonic acid-functionalized aromatic carbonaceous material as a heterogeneous catalyst under microwave irradiation. The optimal glycerol:acetone molar ratio for the acetalization reaction was found to be 1:5, and a catalyst dosage of 8 wt% at 70 degrees C for 10 minutes resulted in a high conversion of bioglycerol with 100% selectivity to solketal. The acetalization reaction had an activation energy of 35.8 kJ mol 1, and the catalyst showed modest loss in activity over six cycles.

FUEL (2023)

Add to Collection

Article Chemistry, Applied

Toward sustainable and eco-efficient novel catalytic distillation process for production of solketal using seepage catalytic packing internal

Xingang Li et al.

Summary: The aim of this study is to improve the post-treatment stage of biodiesel production by introducing an eco-efficient integrated reactive and dividing wall distillation process. Through experiments and simulations, a reliable model for the production of solketal (SK) was established and validated. The advanced intensification of SK production by reactive dividing wall column (RDWC) achieved significant reductions in energy consumption, total annual cost (TAC), and CO2 emissions compared to traditional methods.

CATALYSIS TODAY (2022)

Add to Collection

Article Engineering, Chemical

Solketal production in microwave monomode batch reactor: the role of dielectric properties in glycerol ketalization with acetone

Eduardo G. R. Taques Filho et al.

Summary: Understanding the behavior of dielectric properties of reaction mixtures during microwave heating is crucial for the advancement of microwave-heating technology. In this study, the dielectric properties of solketal/water/acetone/H2SO4 mixtures at varying acid concentrations and the reaction mixtures during glycerol ketalization with acetone under conventional heating were investigated. The reaction mixtures exhibited high absorption of microwave energy, resulting in a high loss tangent, which allowed for faster reactions compared to conventional heating methods. Water formation during the reaction limited the complete conversion of glycerol, leading to the use of water removal techniques to shift the equilibrium towards product formation. Microwave irradiation caused a change in the vapor-liquid equilibrium, increasing the concentration of acetone/water in the vapor phase. Process intensification was achieved by distilling hydrated acetone and adding anhydrous acetone simultaneously, resulting in high conversions of solketal in shorter reaction times.

BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING (2022)

Add to Collection

Article Engineering, Environmental

Sustainable microwave-assisted solketal synthesis over sulfonic silica-based catalysts

Laura Aguado-Deblas et al.

Summary: Sulfonic and propylsulfonic silica-based catalysts were synthesized and used in the acetalization reaction of glycerol under microwave irradiation. The sulfonic materials prepared by hydrothermal grafting showed excellent performance in terms of activity, selectivity and stability.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2022)

Add to Collection

Article Chemistry, Physical

Eco-friendly synthesis of valuable fuel bio-additives from glycerol

Christianah Aarinola Akinnawo et al.

Summary: Mesoporous ZrO2 exhibits good stability and selectivity in glycerol acetalization with aldehydes, with a selectivity of over 50% to 1,3-dioxane. This performance is attributed to its high surface area and Lewis acidity. The green application of meso-ZrO2 catalysts for sustainable acetalization of glycerol may be easily extended to other bio-based industrial processes.

CATALYSIS COMMUNICATIONS (2021)

Add to Collection

Article Chemistry, Physical

Valorization of Solketal Synthesis from Sustainable Biodiesel Derived Glycerol Using Response Surface Methodology

Gayathri Arun et al.

Summary: The production of biodiesel generates crude glycerol as a by-product, which can be converted into high-value chemicals like solketal. Optimization of the conversion process considering the interaction between various operating parameters is crucial for improving sustainability. Further research is needed to enhance solketal yield using new heterogeneous catalysts for industrial implementation.

CATALYSTS (2021)

Add to Collection

Article Chemistry, Physical

Solketal Formation in a Continuous Flow Process over Hierarchical Zeolites

Jolanta Kowalska-Kus et al.

CHEMCATCHEM (2020)

Add to Collection

Article Energy & Fuels

Iron (III) Silicotungstate: An Efficient and Recyclable Catalyst for Converting Glycerol to Solketal

Marcio Jose Da Silva et al.

ENERGY & FUELS (2020)

Add to Collection

Article Energy & Fuels

Solketal synthesis from glycerol and acetone in the presence of metal salts: A Lewis or Bronsted acid catalyzed reaction?

Marcio Jose da Silva et al.

FUEL (2020)

Add to Collection

Article Energy & Fuels

One-pot synthesis of ZrMo-KIT-6 solid acid catalyst for solvent-free conversion of glycerol to solketal

Zhenbin Li et al.

FUEL (2018)

Add to Collection

Article Chemistry, Multidisciplinary

Fe(SO4)(3)-Catalyzed Synthesis of Terpenic Alcohols Esters: A Simple and Bifunctional Reusable Solid Catalyst

Marcio J. da Silva et al.

CHEMISTRYSELECT (2018)

Add to Collection

Article Chemistry, Multidisciplinary

New Insights into Aldol Reactions of Methyl Isocyanoacetate Catalyzed by Heterogenized Homogeneous Catalysts

Rong Ye et al.

NANO LETTERS (2017)

Add to Collection

Article Chemistry, Applied

Highly efficient iron(III) molecular catalysts for solketal production

Roberto Esposito et al.

FUEL PROCESSING TECHNOLOGY (2017)

Add to Collection

Article Chemistry, Multidisciplinary

Peptide Macrocyclization Inspired by Non-Ribosomal Imine Natural Products

Lara R. Malins et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

Add to Collection

Article Engineering, Environmental

Titanate nanotubes as acid catalysts for acetalization of glycerol with acetone: Influence of the synthesis time and the role of structure on the catalytic performance

Davi C. de Carvalho et al.

CHEMICAL ENGINEERING JOURNAL (2017)

Add to Collection

Article Energy & Fuels

Highly selective acetalization of glycerol with acetone to solketal over acidic carbon-based catalysts from biodiesel waste

Maraisa Goncalves et al.

FUEL (2016)

Add to Collection

Article Chemistry, Physical

The Role of Bronsted and Lewis Acid Sites in Acetalization of Glycerol over Modified Mesoporous Cellular Foams

Katarzyna Stawicka et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2016)

Add to Collection

Review Green & Sustainable Science & Technology

Catalytic conversion of glycerol for sustainable production of solketal as a fuel additive: A review

Malaya R. Nanda et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2016)

Add to Collection

Article Chemistry, Physical

Enhancement of the catalytic activity of H-ZSM-5 zeolites for glycerol acetalization by mechanical grinding

Jolanta Kowalska-Kus et al.

REACTION KINETICS MECHANISMS AND CATALYSIS (2016)

Add to Collection

Article Chemistry, Physical

Room temperature synthesis of solketal from acetalization of glycerol with acetone: Effect of crystallite size and the role of acidity of beta zeolite

Pandian Manjunathan et al.

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL (2015)

Add to Collection

Article Chemistry, Physical

Real-Time Raman Monitoring and Control of the Catalytic Acetalization of Glycerol with Acetone over Modified Mesoporous Cellular Foams

V. Calvino-Casilda et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2014)

Add to Collection

Article Chemistry, Physical

Solventless acetalization of glycerol with acetone to fuel oxygenates over Ni-Zr supported on mesoporous activated carbon catalyst

M. S. Khayoon et al.

APPLIED CATALYSIS A-GENERAL (2013)

Add to Collection

Article Chemistry, Multidisciplinary

Design of highly efficient Mo and W-promoted SnO2 solid acids for heterogeneous catalysis: acetalization of bio-glycerol

Baithy Mallesham et al.

GREEN CHEMISTRY (2013)

Add to Collection

Article Chemistry, Physical

Valorisation of glycerol by condensation with acetone over silica-included heteropolyacids

P. Ferreira et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2010)

Add to Collection

Article Chemistry, Multidisciplinary

Water-tolerant zeolite catalyst for the acetalisation of glycerol

Carolina X. A. da Silva et al.

GREEN CHEMISTRY (2009)

Add to Collection

Article Energy & Fuels

New Class of Acetal Derived from Glycerin as a Biodiesel Fuel Component

Eva Garcia et al.

ENERGY & FUELS (2008)

Add to Collection

Article Engineering, Environmental

The glycerin glut: Options for the value-added conversion of crude glycerol resulting from biodiesel production

Duane T. Johnson et al.

ENVIRONMENTAL PROGRESS (2007)

Add to Collection

© Peeref 2019-2024. All rights reserved.