Experimental study of the dynamics of microwave pyrolysis of peat

Богдашов, А. А.; Денисенко, А. Н.; Glyavin, M. Yu.; Krapivnitskaia, Tatiana O.; Peskov, N. Yu.; Семенычева, Л. Л.; Vorozhtcov, Dmitriy

doi:10.1051/itmconf/20193012006

Cited by 2 publications

(2 citation statements)

References 1 publication

(2 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The mass content of carbon, hydrogen, and nitrogen in the solid product obtained as a result of elemental analysis of the solid product after microwave pyrolysis is shown in Figure 6 without sulfur (it was lower than limit of detection-0.3%). According to the results of previous studies [38,39] and the model experiments carried out, the applied conditions provide deep processing with a high yield of useful products due to longer thermal degradation of the feedstock and the optimal reaction rate in the operating reactor chamber. It is important to note that such a deep processing regime was obtained in a very wide range of loading volumes and was accompanied by intensive release of oily and gaseous fractions.…”

Section: Resultsmentioning

confidence: 99%

“…Thus, simulations demonstrated that by optimizing the size and configuration of the reactor and the waveguide transmission line, it was possible to achieve sufficiently high uniformity of the distribution of the electromagnetic field inside the operating chamber. Thus, the problem of uneven heating, which is present in various studies (see, for example [38,39]), can be solved.…”

Section: Waveguide Bending Anglementioning

confidence: 99%

See 1 more Smart Citation

Experimental Complex for Peat Fragmentation by Low-Temperature Microwave Pyrolysis

Krapivnitckaia,

Ananicheva,

Alyeva

et al. 2023

Processes

Self Cite

View full text Add to dashboard Cite

The design of a technological complex for microwave processing of organic materials is proposed. The electrodynamic system of an oversized microwave reactor for low-temperature pyrolysis has been developed. The constructive elements of the complex that allow its continuous failure-free operation in conditions of high radiation intensity are described. Based on the prototype of the elaborated reactor, model experiments on microwave pyrolysis of peat were carried out. The elemental composition of the solid fraction was analyzed during the conducted experiments. The possibility of the efficiency enhancement of the proposed processing method and potential applications of the novel technology are discussed.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Waveguide Bending Anglementioning

confidence: 99%

Experimental Complex for Peat Fragmentation by Low-Temperature Microwave Pyrolysis

Krapivnitckaia,

Ananicheva,

Alyeva

et al. 2023

Processes

Self Cite

View full text Add to dashboard Cite

show abstract

Study of products derived from the microwave-assisted thermal degradation of high-moor peat

Krapivnitckaia,

Ananicheva,

Alyeva

et al. 2024

Izvestiâ vuzov. Prikladnaâ himiâ i biotehnologiâ

View full text Add to dashboard Cite

Peat reserves are of great interest for various industries (energy, fuel, chemical, etc.). It is common practice to use pyrolysis to process such solid carbon-containing resources with the subsequent yield of fuel and valuable products. One of the environmentally and energetically favorable ways to degrade carbon-containing feedstock that is currently under development is microwave-assisted pyrolysis. Microwave radiation provides volumetric heating of the material, which significantly increases heating uniformity across the volume of the irradiated sample, providing greater efficiency of heat transfer and avoiding local overheating on the reactor surface. In the conducted study, a system was designed for the microwave processing of organic materials. The structural elements of the system are described, and a schematic showing pyrolysis product separation is presented. A prototype of the developed reactor was used to conduct experiments on degrading high-moor sphagnum peat of the Greko-Ushakovskoe deposit under mild pyrolysis conditions induced by microwave radiation. The component composition of reaction products was analyzed via chromatography-mass spectrometry and compared with the results of previous experiments using conventional thermal pyrolysis. More advanced processing of peat is performed under the conditions of microwave-assisted mild pyrolysis with a high yield of valuable products due to a more efficient heat transfer, uniform heating of the material, and the optimal reaction rate. The developed technology is shown to produce raw materials for a wide range of high-tech industrial productions. The prospects for the industrial use of the proposed microwave-assisted peat processing technology are discussed, specifically for the production of efficient hydrophobic sorbent.

show abstract

Experimental study of the dynamics of microwave pyrolysis of peat

Cited by 2 publications

References 1 publication

Experimental Complex for Peat Fragmentation by Low-Temperature Microwave Pyrolysis

Experimental Complex for Peat Fragmentation by Low-Temperature Microwave Pyrolysis

Study of products derived from the microwave-assisted thermal degradation of high-moor peat

Contact Info

Product

Resources

About