All Outputs (28)

Understanding Microwave Interactions with Polymers to Enable Advanced Plastic Chemical Recycling (2024)
Journal Article

The widespread adoption of plastics has led to substantial production and waste generation, raising environmental concerns. Chemical recycling offers a promising solution to enhance recycling rates, with microwave heating emerging as an attractive te... Read More about Understanding Microwave Interactions with Polymers to Enable Advanced Plastic Chemical Recycling.

Current status of microwave-assisted extraction of pectin (2023)
Journal Article

There is an urgent need to develop new pectin extraction processes, as the established commercial extraction process damages the pectin (limiting the potential product applications) and is harmful to the environment. Microwave-Assisted Extraction cou... Read More about Current status of microwave-assisted extraction of pectin.

Lignin recovery from cocoa bean shell using microwave-assisted extraction and deep eutectic solvents (2023)
Journal Article

Lignin is the second most abundant natural polymer after cellulose, and valorisation of lignin-rich streams has attracted increasing attention recently. This paper presents a novel and sustainable method to recover lignin from Cocoa Bean Shells (CBS)... Read More about Lignin recovery from cocoa bean shell using microwave-assisted extraction and deep eutectic solvents.

Investigating the role of solvent type and microwave selective heating on the extraction of phenolic compounds from cacao (Theobroma cacao L.) pod husk (2022)
Journal Article

Cacao pod husk (CPH) is a primary waste in the cacao industry that contains favourable natural antioxidants based on phenolic compounds. This study reported an investigation of the effect of extraction parameters to maximise the bioactive yields of C... Read More about Investigating the role of solvent type and microwave selective heating on the extraction of phenolic compounds from cacao (Theobroma cacao L.) pod husk.

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.

Unravelling the mechanisms of microwave pyrolysis of biomass (2021)
Journal Article

This study uses empirical observations and mass transfer simulations to establish a new mechanism for microwave pyrolysis of biomass. Experiments were conducted on cellulose and hemicellulose, using microwave equipment that could vary the observed he... Read More about Unravelling the mechanisms of microwave pyrolysis of biomass.

Green and simple approach for low-cost bioproducts preparation and CO2 capture (2021)
Journal Article

This study has demonstrated, for the first time, a simple, fast and flexible microwave processing method for the simultaneous preparation of bio-products (bio-oil, bio-gas and biochar) using a methodology that avoids any form of catalyst or chemical... Read More about Green and simple approach for low-cost bioproducts preparation and CO2 capture.

Understanding heat and mass transfer processes during microwave-assisted and conventional solvent extraction (2021)
Journal Article

Solvent extraction is a mass transfer process. In this paper, we investigate the role of heat transfer in solvent extraction: in particular, how the heat transfer properties of the solid and the heating method (conventional heating and microwave heat... Read More about Understanding heat and mass transfer processes during microwave-assisted and conventional solvent extraction.

Investigating the influence of pectin content and structure on its functionality in bio-flocculant extracted from okra (2020)
Journal Article

© 2020 The Author(s) Okra extract is known to have potential application as a bio-flocculant for wastewater treatment. However, no research to date has given insight into the components responsible for the flocculating ability of okra extract or its... Read More about Investigating the influence of pectin content and structure on its functionality in bio-flocculant extracted from okra.

Development of a continuous-flow system for microwave-assisted extraction of pectin-derived oligosaccharides from food waste (2020)
Journal Article

This paper addresses the current lack of a scalable process for the extraction of “hairy” pectins to upcycle biomasses, by describing the design methodology, building and testing of a continuous microwave-assisted process for potato waste pectin extr... Read More about Development of a continuous-flow system for microwave-assisted extraction of pectin-derived oligosaccharides from food waste.

Rapid, simple and sustainable synthesis of ultra-microporous carbons with high performance for CO2 uptake, via microwave heating (2020)
Journal Article

Formation of Metallurgical Coke within Minutes through Coal Densification and Microwave Energy (2019)
Journal Article

This paper shows how feedstock densification gives rise to a step change in the time required to create a metallurgical grade coke using microwave energy. Five densified coking and non-coking coals were heated in a multi-mode microwave 2450 MHz cavit... Read More about Formation of Metallurgical Coke within Minutes through Coal Densification and Microwave Energy.

Understanding the influence of processing conditions on the extraction of rhamnogalacturonan-I “hairy” pectin from sugar beet pulp (2019)
Journal Article

Sugar beet pectin is rich in rhamnogalacturonan-I (RG-I) region, which is a potential source of prebiotics. RG-I pectin cannot be extracted the same way as commercial homogalacturan-rich pectin using hot acid. Therefore, this study has explored sever... Read More about Understanding the influence of processing conditions on the extraction of rhamnogalacturonan-I “hairy” pectin from sugar beet pulp.

Water desalination using a temperature gradient (2019)
Journal Article

A new concept for reverse osmosis is identified based on the use of a temperature gradient instead of pressure. When the temperature of the permeate-side of the membrane is higher than the feed-side then a significant driving force exists for water t... Read More about Water desalination using a temperature gradient.

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 the role of selective and volumetric heating during microwave extraction: investigation of the extraction of polyphenolic compounds from sea buckthorn leaves using microwave-assisted extraction and conventional solvent extraction (2017)
Journal Article

We report a direct comparison of microwave heating and conventional heating in solvent extraction by using exactly the same reaction conditions (including heating rate) in the extraction of polyphenols from dried sea buckthorn leaves. We have for the... Read More about New insights into the role of selective and volumetric heating during microwave extraction: investigation of the extraction of polyphenolic compounds from sea buckthorn leaves using microwave-assisted extraction and conventional solvent extraction.

Enhancing evaporative mass transfer and steam stripping using microwave heating (2017)
Journal Article

The effect of microwave heating on evaporative mass transfer of hydrocarbons was investigated for a number of contaminated solid materials. The rate of oil removal could be rationalised by the velocity of steam that was created by selective heating o... Read More about Enhancing evaporative mass transfer and steam stripping using microwave heating.

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.

Enhancing natural product extraction and mass transfer using selective microwave heating (2016)
Journal Article

This study uses a combination of empirical observations and an analysis of mass transfer behaviour to yield new insights into the mechanism of microwave assisted extraction. Enhancements in extraction rate and yield were observed experimentally compa... Read More about Enhancing natural product extraction and mass transfer using selective microwave heating.