Journal ArticleDOI
Kinetics of heterogeneous reactions with coal in context of underground coal gasification
TLDR
In this article, the authors present a systematic approach to be followed in laboratory to obtain data on both kinetics and diffusional effects for all the important reactions in underground coal gasification.About:
This article is published in Fuel.The article was published on 2017-07-01. It has received 17 citations till now. The article focuses on the topics: Underground coal gasification & Coal.read more
Citations
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Journal ArticleDOI
Determination of random pore model parameters for underground coal gasification simulation
TL;DR: In this paper, a new, alternative way of the determination of kinetics of coal gasification by the Random Pore Model application is proposed, where the structural parameter was estimated on the basis of measurements of char porous structure parameters.
Journal ArticleDOI
Steam gasification behavior of tropical agrowaste: A new modeling approach based on the inorganic composition
TL;DR: In this article, a new modeling approach is proposed to predict the gasification behavior of lignocellulosic agrowaste based on their inorganic composition, and a good agreement between the experimental and modeled data was found, showing that the proposed approach is suitable for the description and prediction of the gaseous behavior of biomasses with different macromolecular structure.
Journal ArticleDOI
A process model for underground coal gasification – Part-I: Cavity growth
TL;DR: In this paper, the authors presented an unsteady-state model for gas production during phase-I for a coal under consideration for underground coal gasification (UCG), which can be used to determine feasibility of UCG for any other coal for the known kinetics and spalling parameters.
Journal ArticleDOI
Effects of mineral content on limestone properties with exposure to different temperatures
Weiqiang Zhang,Chao Lv +1 more
TL;DR: In this article, an x-ray fluorescence experiment was carried out to examine the mineral elements content of limestone after exposure to different temperatures (up to 600°C), and physical and mechanical experiments were implemented to evaluate the macroscopic properties of limestone.
Journal ArticleDOI
Thermodynamic equilibrium simulation on the synthesis gas composition in the context of underground coal gasification
TL;DR: In this article, a thermodynamic equilibrium simulation was conducted to analyze the effects of reaction temperature, pressure and ratio of oxygen/steam on the synthesis gas composition in the context of underground coal gasification.
References
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Book
Chemical Reaction Engineering
TL;DR: An overview of Chemical Reaction Engineering is presented, followed by an introduction to Reactor Design, and a discussion of the Dispersion Model.
Journal ArticleDOI
A random pore model for fluid‐solid reactions: I. Isothermal, kinetic control
TL;DR: In this paper, a random pore model is developed for fluid-solid reactions, which allows for arbitrary pore size distributions in the reacting solid. But the model is not suitable for the case of gasification, and it cannot represent the behavior of a system that shows a maximum in reaction rate as well as one that does not.
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Gasification of a South Australian low-rank coal with carbon dioxide and steam: kinetics and reactivity studies
TL;DR: In this article, an experimental gasification study of Bowmans coal with steam and with carbon dioxide in a single-particle reactor operating at atmospheric pressure and at temperatures between 714 and 892°C was conducted.
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Diffusional effects in TGA gasification experiments for kinetic determination
TL;DR: In this article, the intrinsic gasification reactivity of pressed oil-stone char gasification rates were measured in a thermogravimetric apparatus to assess the importance of diffusion limitations.
Journal ArticleDOI
Kinetic models comparison for steam gasification of different nature fuel chars
TL;DR: In this paper, the reactivity in steam of five different types of solid fuels (two coals, two types of biomass and a petcoke) has been studied, and three representative gas-solid models, volumetric model (VM), grain model (GM), and random pore model (RPM), were applied in order to describe the reactive behaviour of the chars during steam gasification.