Design, fabrication and operation of continuous microwave biomass carbonization system

Payakkawan, Poomyos; Areejit, Suwilai; Sooraksa, Pitikhate

doi:10.1016/j.renene.2013.10.042

Cited by 24 publications

(6 citation statements)

References 19 publications

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“…Table 2 summarises different prototypes of continuous microwave-based systems which have been proposed to perform the pyrolysis of biomass at large scale, although not all of systems have been implemented. To the best of our knowledge, systems presented in references [63], [64] and [65] have already been operated by the authors of such references. The biomass is pre-heated by a gas stream up to 250 °C and is then fed to the microwave cavity by means of a belt conveyor, which is separated from the pre-heating zone by a microwave shield.…”

Section: Figurementioning

confidence: 99%

Microwave pyrolysis of biomass for bio-oil production: Scalable processing concepts

Beneroso

Monti

Kostas

et al. 2017

Chemical Engineering Journal

176

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The pursuit of sustainable hydrocarbon alternatives to fossil fuels has prompted an acceleration in the development of new technologies for biomass processing.Microwave pyrolysis of biomass has long been recognised to provide better quality bio-products in shorter timescales compared to conventional pyrolysis. Although this topic has been widely assessed and many investigations are currently ongoing, this article gives an overview beyond the physico-chemical pyrolysis process and covers engineering aspects and the limitations of microwave heating technology. Herein, we provide innovative scalable concepts to perform the microwave pyrolysis of biomass on a large scale, including essential energy and material handling requirements. Furthermore, some of the possible socio-economic and environmental implications derived from the use of this technology in our society are discussed. Such potential concepts are expected to assist the needs of the industrial bioenergy community to move this largely studied process upwards in scale.

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Section: Figurementioning

confidence: 99%

Microwave pyrolysis of biomass for bio-oil production: Scalable processing concepts

Beneroso

Monti

Kostas

et al. 2017

Chemical Engineering Journal

176

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“…In the case of the reactor designed by the King Mongkut's Institute of Technology Ladkrabang, which is shown in Fig. 6.3b, the main objective of the project was to use the equipment for the carbonization of biomass [41]. The main goal of these projects was not the production of syngas and the designs were not optimised for this purpose.…”

Section: Equipment: the Challenge Of Scaling-upmentioning

confidence: 99%

Microwave Pyrolysis of Organic Wastes for Syngas-Derived Biopolymers Production

Beneroso¹,

Bermúdez²,

Arenillas³

et al. 2014

Production of Biofuels and Chemicals With Microwave

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Bioplastics production is a growing industry that offers an alternative to that of conventional fossil-derived plastics. Polyhydroxyalkanoates are biopolymers whose thermo-mechanical properties can be comparable to those of conventional plastics. Polyhydroxyalkanoates can be produced through the bacterial fermentation of carbon substrates, although to be commercially viable cheap renewable resources such as syngas (CO + H 2 + CO 2 ) from waste pyrolysis are required. Microwave pyrolysis has been demonstrated to have the potential of maximising both the gas production and syngas concentration. Hence it is an appropriate thermochemical route for further syngas fermentation. A combination of different factors, such as the type of waste, the moisture content, the pyrolysis temperature or the use of a microwave receptor makes microwave pyrolysis highly versatile, so that the syngas produced can be virtually tailored to the specific requirements of the bacteria.

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“…Carbonization occurs in one action, in which the energy used to burn the wood comes from another source and not from the wood itself, placed in a cavity controlled for the entry of oxygen. Also, according to Payakkawan et al (2014), biomass carbonization is a process to decompose biomass with heat in the absence of oxygen. Thus, carbonization is a chemical process of incomplete combustion of solid matter, subjected to high heat, which removes hydrogen and oxygen.…”

Section: Introductionmentioning

confidence: 99%

The use of the combined cycle for the generation of electric energy by the gases obtained from the carbonization of wood using

Vieira¹,

Teixeira²,

Silva³

et al. 2021

RSD

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The effluents from carbonization or pyrolysis and wood charcoal have aggregated thermal energy and, in conventional charcoal kilns, part of the wood is burned to ignite the burning in the kilns and the effluents generated are dispensed in the atmosphere and in the soil, which causes energy losses and environmental pollution. In this study we seek a clean and sustainable alternative to produce energy, in addition to the search for a system with satisfactory performance in the generation of electric energy. The objective of this study was to evaluate how much electricity can be produced from wood carbonization effluents by ONDATEC technology, using the Brayton and Rankine cycle, also known as Combined Cycle. This method presents a high power generation efficiency, around 50%, compared to other generation systems. A field experiment was carried out from October 21st to 24th, 2010 to determine the calorific value of wood carbonization effluents, using a microwave oven, (condensable and non-condensable gas), in the city of Uberaba -Mg, Brazil. The data generated in this study reveals important information for companies looking for a way to produce clean and renewable electricity from reforestation wood, in addition to the effort to minimize environmental pollution, ensure sustainability in production systems and the growing search for new sources of energy. A complete description of the experiment, including details of the project, is presented in this work.

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Design, fabrication and operation of continuous microwave biomass carbonization system

Cited by 24 publications

References 19 publications

Microwave pyrolysis of biomass for bio-oil production: Scalable processing concepts

Microwave pyrolysis of biomass for bio-oil production: Scalable processing concepts

Microwave Pyrolysis of Organic Wastes for Syngas-Derived Biopolymers Production

The use of the combined cycle for the generation of electric energy by the gases obtained from the carbonization of wood using

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