Chemistry of the Gasification of Carbonaceous Raw Material

Abstract:

The paper represents the studies of the process of carbonaceous raw material gasification. The initial material is represented by bituminous coal of grade H with the carbon (C) content of 79.2-85.3 %. Experimental studies have been used to substantiate the parameters of combustible generator gases (СО, Н₂, СН₄) output depending on the temperature of a reduction zone of the reaction channel and gas flow velocity along its length. It has been identified that the volume of the raw material input to be used for gasification process changes in direct proportion depending on the amount of burnt-out carbon and blow velocity. The gasification is intensified in terms of equal concentration of oxygen and carbon in the reaction channel of an underground gas generator. The gasification rate is stipulated by the intensity of chemical reactions, which depend immediately on the modes of blow mixture supply. Moreover, they depend directly on the intensity of oxygen supply to the coal mass and removal of the gasification products.

• Periodical: Materials Science Forum (Volume 1045)
• Pages: 67-78
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.1045.67
• Online since: September 2021
• Authors: Pavlo Saik, Roman Dychkovskyi, Vasyl Lozynskyi*, Volodymyr Falshtynskyi, Edgar Caseres Cabana, Leonid Hrytsenko
• Keywords: Carbon, Carbonaceous Raw Material, Coal, Combustible Gases, Gas Generator, Gasification

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