Microwave Conversion Technique Intensification (Volume II)

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Chemical Processes and Systems".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 424

Special Issue Editor

Special Issue Information

Dear Colleagues,

Over the last few decades, the increased accountability of companies with regard to the environment has represented an astonishing driving force for the development of innovative industrial processes.

Since the assessment of green chemistry principles, the use of microwaves as a valuable tool for sustainable and effective conversion technology has increased. Microwave-based processes have played a very relevant role in many technological fields, proving their feasibility. Furthermore, microwave heating has been proved to be a breakthrough approach in the thermochemical conversion of polymeric materials. Additionally, the food and pharmaceutical sectors have adopted microwave processes as a common production stage in many industrial platforms. Finally, the manufacture of inorganic materials has also included microwave processing such as the performance approach in several productions.

This Special Issue aims to provide an up-to-date picture of recent advances and outstanding innovations in the field of microwave technology. Studies on the intensification of industrial microwave procedures at a lab scale and with solid proof of concept about microwave conversions will be reported.

Dr. Mattia Bartoli
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microwave pyrolysis
  • microwave assisted organic synthesis
  • food processing
  • inorganics production
  • process intensification
  • microwave reactors

Published Papers (1 paper)

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Research

21 pages, 5758 KiB  
Article
Innovative Solution for Invasive Species and Water Pollution: Hydrochar Synthesis from Pleco Fish Biomass
by Marisol Castro-Cárdenas, Nahum Andrés Medellín-Castillo, Lázaro Adrián González-Fernández, Roberto Leyva-Ramos, Cesar Fernando Azael Gómez-Duran, Yvan Gariepy, K. R. Jolvis Pou and Vijaya Raghavan
Processes 2024, 12(6), 1158; https://doi.org/10.3390/pr12061158 - 4 Jun 2024
Viewed by 304
Abstract
In recent years, the invasive pleco fish has emerged as a global concern due to its adverse effects on ecosystems and economic activities, particularly in various water bodies in Mexico. This study introduces an innovative solution, employing microwave-assisted hydrothermal carbonization (MHTC) to synthesize [...] Read more.
In recent years, the invasive pleco fish has emerged as a global concern due to its adverse effects on ecosystems and economic activities, particularly in various water bodies in Mexico. This study introduces an innovative solution, employing microwave-assisted hydrothermal carbonization (MHTC) to synthesize hydrochar from pleco fish biomass. The research aimed to optimize synthesis conditions to enhance hydrochar yield, calorific value, and adsorption capacities for fluoride and cadmium in water. MHTC, characterized by low energy consumption, high reaction rates, and a simple design, was employed as a thermochemical process for hydrochar production. Key findings revealed that through response surface analysis, the study identified the optimal synthesis conditions for hydrochar production, maximizing yield and adsorption capacities while minimizing energy consumption. Physicochemical characterization demonstrated that hydrochars derived from pleco fish biomass exhibited mesoporous structures with fragmented surfaces, resembling hydroxyapatite, a major component of bone. Hydrochars derived from pleco fish biomass exhibited promising adsorption capacities for fluoride and cadmium in water, with hydrochar from Exp. 1 (90 min, 160 °C) showing the highest adsorption capacity for fluoride (4.16 mg/g), while Exp. 5 (90 min, 180 °C) demonstrated superior adsorption capacity for cadmium (98.5 mg/g). Furthermore, the utilization of pleco fish biomass for hydrochar production not only offers an eco-friendly disposal method for invasive species but also addresses fluoride and cadmium contamination issues, contributing to sustainable waste management and water treatment solutions. The resulting hydrochar, rich in solid fuel content with low pollutant emissions, presents a promising approach for waste management and carbon sequestration. Moreover, the optimized synthesis conditions pave the way for sustainable applications in energy production, addressing critical environmental and public health concerns. This research provides valuable insights into the potential of microwave-assisted hydrothermal carbonization for transforming invasive species into valuable resources, thereby mitigating environmental challenges and promoting sustainable development. Full article
(This article belongs to the Special Issue Microwave Conversion Technique Intensification (Volume II))
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