The Two-Stage Process of Thermochemical Processing of Lignin in a Fixed Bed. 1. Technological Scheme of the Installation. Methods for Calculating Pyrolysis Gas Composition

The Two-Stage Process of Thermochemical Processing of Lignin in a Fixed Bed. 1. Technological Scheme of the Installation. Methods for Calculating Pyrolysis Gas Composition

A method is proposed for the thermochemical processing of biomass (lignin) meant for the use of one reactor for the production of two synthetic gases dissimilar in composition and calorific value: low-calorie (1800–2000 kcal/nm 3 ) and medium-calorie (~ 4000 kcal/nm 3 ) with a low resin content. Two...

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Veröffentlicht in:Journal of engineering physics and thermophysics 2023-03, Vol.96 (2), p.492-497
Hauptverfasser: Rokhman, B. B., Vyfatnyuk, V. G.
Format: Artikel
Sprache:eng
Schlagworte:
Calorific value
Classical Mechanics
Complex Systems
Engineering
Engineering Thermodynamics
Fixed beds
Gas composition
Gasification
Heat and Mass Transfer
Heat and Mass Transfer in Combustion Processes
Industrial Chemistry/Chemical Engineering
Lignin
Mathematical analysis
Methods
Pyrolysis
Thermodynamics
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Zusammenfassung:A method is proposed for the thermochemical processing of biomass (lignin) meant for the use of one reactor for the production of two synthetic gases dissimilar in composition and calorific value: low-calorie (1800–2000 kcal/nm 3 ) and medium-calorie (~ 4000 kcal/nm 3 ) with a low resin content. Two methods for calculating the composition of pyrolysis gas have been developed. Various variants of the operation of installation in cyclic and quasi-stationary modes are considered, taking into account unique technical solutions for supplying coke–ash residue from the pyrolyzer to the gasifier.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-023-02709-w