An Overview of Temperature Issues in Microwave-Assisted Pyrolysis

Bartoli, Mattia; Frediani, Marco; Briens, Cédric; Berruti, Franco; Rosi, Luca

doi:10.3390/pr7100658

Cited by 46 publications

(11 citation statements)

References 99 publications

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“…However, MAP has a power density barrier over which materials cannot be pyrolyzed without the use of susceptors (usually >108 W/m 3 ). [112][113][114] The primary benefit of microwaves is that they heat the material from within, resulting in rapid thermal transfer and energy savings. The MAP approach provides several advantages over more traditional methods.…”

Section: Microwave-assisted Pyrolysismentioning

confidence: 99%

Sustainable recycling technologies for thermoplastic polymers and their composites: A review of the state of the art

et al. 2022

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This review article discusses the environmental and economic effects of recycling, as well as sustainable thermoplastic polymer recycling technologies. Several researchers have utilized recycled thermoplastics as matrices in the production of a variety of natural and synthetic‐based composites, which is also the focus of this study. All of the industries (food and packaging, construction and building, transportation, and indoor usage) where recycled thermoplastics have a large market share (food and packaging, construction and building, transportation, and indoor usage) are covered in this review. The desirable properties of thermoplastic polymers, such as corrosion resistance, low density, and user‐friendliness, have caused plastic production to surpass aluminum and other metals in use over the past 60 years. Furthermore, recycling is one of the most important measures available to mitigate these effects and is one of the most dynamic segments of the plastics industry at present. Increased landfilling and incineration of plastics have a negative impact on the ecosystem, and the continued increase in the production of virgin fossil plastic also has a negative impact on the environment. Consequently, this continuous production could lead to the depletion of fossil fuel resources, an increase in environmental emissions during processing, and eventual incineration. Increasing numbers of nations are adopting the circular economy concept in an effort to avoid all of these problems. This concept emphasizes the reuse of products and resources, as well as the recycling of materials according to the waste hierarchy, rather than their cremation or disposal in the environment.

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Section: Microwave-assisted Pyrolysismentioning

confidence: 99%

Sustainable recycling technologies for thermoplastic polymers and their composites: A review of the state of the art

et al. 2022

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“…Some of the main theoretical and experimental aspects of the microwave-materials interactions are reported alongside the issues related to a microwave pyrolytic process of materials [9]. Due to several parameters affecting the interactions between materials and microwaves a rigorous detection of the reaction temperature may be a hard task during MAP [10] both for its detection and uniformity of the distribution of temperature on the material during the overall pyrolytic run.…”

Section: Update On Map Of Plastic Wastementioning

confidence: 99%

“…% and that one of solid was 0.4-0.6 wt. % [9,10,14] when standard apparatus was employed. However HDPE was converted into a low viscosity liquid by using a very low MW power, but a long time was required to obtain a complete conversion.…”

Section: Polyethylene (Pe)mentioning

confidence: 99%

Mixed or Contaminated Waste Plastic Recycling through Microwave - Assisted Pyrolysis

Frediani¹,

Frediani²

2022

Recent Perspectives in Pyrolysis Research

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A single type of thermoplastic polymer is easily recycled through a mechanical process, but this way can’t be followed in the presence of mixed or contaminated plastic. In this case, one of the main followed solutions is a thermochemical process and among them, microwave-assisted pyrolysis is one of the emerging technologies. This chapter offers an update of the microwave-assisted pyrolysis of mixed or contaminated waste plastic as a very promising example of chemical recycling. Furthermore, some unpublished results in this field will be reported such as the pyrolysis of waste lead containing polyethylene coming from end cycle batteries or the pyrolysis of waste polypropylene from facemasks used for covid protection. Finally, some examples of pilot plants will be described and commented as well as several industrial cooperations.

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“…This leads to the common practice of the addition of a MW absorber to biomasses prior to the MAP. Even if this procedure is very effective, it leads to difficulty in measuring temperature during the MAP, as described by Bartoli et al [36].…”

Section: Brief Overview Of Mw Interaction With Materialsmentioning

confidence: 99%

A Review of Bio-Oil Production through Microwave-Assisted Pyrolysis

et al. 2021

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The issue of sustainability is a growing concern and has led to many environmentally friendly chemical productions through a great intensification of the use of biomass conversion processes. Thermal conversion of biomass is one of the most attractive tools currently used, and pyrolytic treatments represent the most flexible approach to biomass conversion. In this scenario, microwave-assisted pyrolysis could be a solid choice for the production of multi-chemical mixtures known as bio-oils. Bio-oils could represent a promising new source of high-value species ranging from bioactive chemicals to green solvents. In this review, we have summarized the most recent developments regarding bio-oil production through microwave-induced pyrolytic degradation of biomasses.

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An Overview of Temperature Issues in Microwave-Assisted Pyrolysis

Cited by 46 publications

References 99 publications

Sustainable recycling technologies for thermoplastic polymers and their composites: A review of the state of the art

Sustainable recycling technologies for thermoplastic polymers and their composites: A review of the state of the art

Mixed or Contaminated Waste Plastic Recycling through Microwave - Assisted Pyrolysis

A Review of Bio-Oil Production through Microwave-Assisted Pyrolysis

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