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Solving the microwave heating uniformity conundrum for scalable high-temperature processes via a toroidal fluidised-bed reactor (2024)
Journal Article

Challenges exist to implementing high-temperature microwave processes with changing dielectric properties that achieve uniform processing. This paper presents a new high-temperature hybrid microwave processing system which overcomes these challenges... Read More about Solving the microwave heating uniformity conundrum for scalable high-temperature processes via a toroidal fluidised-bed reactor.

Microwave pyrolysis of waste biomass and synthesis of micro-mesoporous activated carbons: The role of textural properties for CO2 and textile dye adsorption (2024)
Journal Article

Hierarchical porous activated carbons (ACs) were efficiently synthesized in less than 2 min using microwaves and phosphoric acid (H3PO4), exhibiting excellent potential as adsorbent for carbon dioxide (CO2) and Methylene Blue (MB). The method emphasi... Read More about Microwave pyrolysis of waste biomass and synthesis of micro-mesoporous activated carbons: The role of textural properties for CO2 and textile dye adsorption.

Fast pyrolysis of agricultural residues: Reaction mechanisms and effects of feedstock properties and microwave operating conditions on the yield and product composition (2023)
Journal Article

Fundamental understanding of the pyrolysis process plays an indispensable role in valorization of wastes and the development of novel sustainable technologies. This study introduces a novel approach by investigating the reaction mechanisms involve in... Read More about Fast pyrolysis of agricultural residues: Reaction mechanisms and effects of feedstock properties and microwave operating conditions on the yield and product composition.

Simultaneous conventional and microwave heating for the synthesis of adsorbents for CO2 capture: Comparative study to pristine technologies (2022)
Journal Article

Microwave has become an attractive technology in the valorisation of renewable biomass and in the mitigation of challenges of climate change. In this work, the synergic effects of coupling microwave and mild conventional heating conditions has been i... Read More about Simultaneous conventional and microwave heating for the synthesis of adsorbents for CO2 capture: Comparative study to pristine technologies.

Macroalgal biorefinery concepts for the circular bioeconomy: A review on biotechnological developments and future perspectives (2021)
Journal Article

The imminent need for transition to a circular bioeconomy, based on the valorisation of renewable biomass feedstocks, will ameliorate global challenges induced by climate change, environmental pollution and population growth. A reduced reliance on de... Read More about Macroalgal biorefinery concepts for the circular bioeconomy: A review on biotechnological developments and future perspectives.

Fast regeneration of activated carbons saturated with textile dyes: Textural, thermal and dielectric characterization (2019)
Journal Article

This study presents an investigation for comparing the regeneration process of two activated carbons saturated with Basic Blue 9 (BB9) and Acid Blue 93 (AB93) using conventional (250–500 °C) and microwave heating (100–300 W). The effect of the textil... Read More about Fast regeneration of activated carbons saturated with textile dyes: Textural, thermal and dielectric characterization.

Pb(II) removal using carbon adsorbents prepared by hybrid heating system: Understanding the microwave heating by dielectric characterization and numerical simulation (2018)
Journal Article

This work studies the effect of microwaves in the synthesis of carbon adsorbents using pecan nutshell biomass as a precursor in a hybrid multimode microwave cavity avoiding the utilization of chemical activation or susceptors. The dielectric properti... Read More about Pb(II) removal using carbon adsorbents prepared by hybrid heating system: Understanding the microwave heating by dielectric characterization and numerical simulation.

Microwave pyrolysis of pecan nut shell and thermogravimetric, textural and spectroscopic characterization of carbonaceous products (2018)
Journal Article

In the present work, the pyrolysis of pecan nut shell was studied using microwave technology at different input power and exposure time. The carbonaceous products were characterized using elemental analysis, potentiometric titration, thermogravimetri... Read More about Microwave pyrolysis of pecan nut shell and thermogravimetric, textural and spectroscopic characterization of carbonaceous products.

New insights into microwave pyrolysis of biomass: preparation of carbon-based products from pecan nutshells and their application in wastewater treatment (2017)
Journal Article

Microwave pyrolysis of pecan nutshell (Carya illinoinensis) biomass was used to produce carbon-based solid products with potential application in contaminated water treatment. A range of analytical techniques were applied to characterize the inter... Read More about New insights into microwave pyrolysis of biomass: preparation of carbon-based products from pecan nutshells and their application in wastewater treatment.

Study of the adsorption-desorption of Cu2+, Cd2+ and Zn2+ in single and binary aqueous solutions using oxygenated carbons prepared by Microwave Technology (2016)
Journal Article

In the present work was studied the adsorption-desorption of heavy metals from aqueous solutions using carbonaceous materials prepared with a technology that combines radiant and microwave heating. Three optimum carbons O-Cu, O-Cd and O-Zn were prepa... Read More about Study of the adsorption-desorption of Cu2+, Cd2+ and Zn2+ in single and binary aqueous solutions using oxygenated carbons prepared by Microwave Technology.

New oxygenated carbonaceous adsorbents prepared by combined radiant/microwave heating for the removal of Pb 2+ in aqueous solution (2015)
Journal Article

Abstract This paper presents a new procedure to obtain efficient carbonaceous adsorbents for the removal of Pb2+ in aqueous solution. Experimental procedure includes a pre-treatment of pecan nut shells using radiant heating at low temperatures (280-3... Read More about New oxygenated carbonaceous adsorbents prepared by combined radiant/microwave heating for the removal of Pb 2+ in aqueous solution.

Adsorption of dyes with different molecular properties on activated carbons prepared from lignocellulosic wastes by Taguchi method (2014)
Journal Article

A design of experiments based in the Taguchi method was used to prepare activated carbons from different lignocellulosic residues with optimum properties for the removal of food and textile dyes (food yellow 4, food yellow 3, food red 17 and acid blu... Read More about Adsorption of dyes with different molecular properties on activated carbons prepared from lignocellulosic wastes by Taguchi method.