Alexander Ponomarev

20140506-24
The Electron-Beam Treatment of Water Polluted by Humic Acids and Lignin
Polina K. Metreveli, Alexandra K. Metreveli, Alexander V. Ponomarev

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Both lignin and humic acids cause the raised colourity and turbidity of natural water and industrial wastewater. Electron-beam treatment reduces kinetic stability of aqueous dispersions of lignin and humic acids. The radiation-induced ...  read more

20140506-23
Decomposition of a Vegetative Biomass by Electron-Beam Irradiation and Heating
Alexander V. Ponomarev, Polina K. Metreveli, Alexandra K. Metreveli, Alexei V. Bludenko, Vladimir N. Chulkov

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The electron-beam irradiation influences thermal decomposition of vegetative biomass. This influence is indicated by several effects. First, the initial thermal degradation temperature of both lignin and cellulose decreases. ...  read more

20180708-04
Depolymerization and self-disassembly of plant polymers
Alexander V. Ponomarev

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Biopolymers can be radiolytically degraded mainly in two ways. The first way, depolymerization, occurs at not so high temperatures and consists in random cleavage of bridges between monomer units. The second process, self-disassembly, ...  read more

20160506-43
High-temperature radiolysis of alkanes: synthesis and decomposition
Alexander V. Ponomarev, Alexandra K. Metreveli, Alexei V. Bludenko, Vladimir N. Chulkov

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The wax, originated as a by-product of Fisher-Tropsh synthesis, can be converted to liquid engine fuel via a circulating mode of radiation-thermal cracking. The method is based on indirect action of radiation upon the wax ...  read more