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full text of the spontaneous combustion of coal

Spontaneous combustion of coal and maceral

Abstract. The objective of this project is to understand the mechanisms responsible for the spontaneous combustion of ultrafine (particle size < 250 ..mu..m) bituminous coals and of maceral-enriched fractions under storage, air flow, and/or dense-phase pneumatic transport conditions.

A Research on the Spontaneous Combustion

The phenomenon of spontaneous combustion in coal mines has been given a great attention by scientists and miners as it may cause serious problems both from safety aspect and on economic grounds if not prevented or controlled on time. In order to achieve an accomplishment at all collieries where spontaneous combustion occur, there is a

Spontaneous combustion liability of coal and coal

The accessibility of sufficient air in waste dump, spoil heaps, highwall, coal-shale and mined out areas where the coal has been left, particularly if it is loose coal (coal fragments larger in size than coal dust), can cause spontaneous combustion in coal mines. Spontaneous combustion occurs between selected bands of coal seams, coal-shale

Use of D. T. A. in the Study of Spontaneous

Full text not available from this repository. (Request a copy) Abstract. The use of differential thermal analytical (D.T.A.) technique has been suggested for studies in spontaneous combustion of coal, particularly in classifying coals with respect to their susceptibility to self-heating.

Coal's Spontaneous Combustion Problem Sightline

2012-4-11 · Spontaneous combustion of coal is a well-known phenomenon, especially with PRB coal. This high-moisture, highly volatile sub-bituminous coal will not only smolder and catch fire while in storage piles at power plants and coal terminals, but has been known to be delivered to a power plant with the rail car or barge partially on fire

Use of D. T. A. in the Study of Spontaneous

Full text not available from this repository. (Request a copy) Abstract. The use of differential thermal analytical (D.T.A.) technique has been suggested for studies in spontaneous combustion of coal, particularly in classifying coals with respect to their susceptibility to self-heating.

The Spontaneous Combustion of Coal.

Request full-text. The Spontaneous Combustion of Coal. Article · May 2002

Open Access Journals aimspress

The problem of coal spontaneous combustion prediction is very complex, and there are many factors that affect the prediction results. In order to solve the issues of high dimension and redundancy among features and limited samples in the prediction of coal spontaneous combustion, this paper proposes a prediction algorithm of coal spontaneous combustion based on least squares support vector

full te t of the spontaneous combustion of coal

Full text of "The spontaneous combustion of coal, with Workplace Safety and Insurance Board and Workers' Compensation Appeals Tribunal Annual Reports Ontario Department of Lands and Forests: Resource Management Report Legislative Assembly of Ontario: Official Report of Debates (Hansard) Report of the Wartime Prices and Trade Board Ontario Sessional Papers Ontario Fish and Wildlife

Investigation the Risk of Spontaneous Combustion in

2016-4-4 · Spontaneous combustion of coal is one of the major problems in the coal mine. The fire may occur due to exogenous and endogenous causes, by which coal liberated heat to the air or heat absorbed into it. It causes loss of production, as well as economical or financial losses and polluted the environment. If, the heat liberated during this process is allowed to accumulate, the rate of reaction

full text of the spontaneous combustion of coal

full text of the spontaneous combustion of coal Full text of "The spontaneous combustion of coal, with . Full text of "The spontaneous combustion of coal, with special reference to

Comparative analysis of coal and coal-shale intrinsic

This study used the set criterion (Table 1) documented by Onifade and Genc to evaluate and compare the linear relationships between the intrinsic properties and spontaneous combustion liability of coals and coal-shales.Full details of the statistical analysis is reported by Onifade and Genc ().The data set is divided into dependent (Wits-Ehac Index) and independent (intrinsic properties

full text of the spontaneous combustion of coal

Based on a large amount of related literatures,a further research on the index gases about the spontaneous combustion of coal was carried out.By programmed heading temperature experiment of coal spontaneous combustion,when such experimental conditions as the initial temperature of experiment,programmed raising rate of temperature,dry air flow,the particle size and weight of coal

Full text of "The spontaneous combustion of coal, with

Full text of "The spontaneous combustion of coal, with special reference to bituminous coals of the Illinois type" See other formats

Spontaneous combustion liability of coal and coal

The accessibility of sufficient air in waste dump, spoil heaps, highwall, coal-shale and mined out areas where the coal has been left, particularly if it is loose coal (coal fragments larger in size than coal dust), can cause spontaneous combustion in coal mines. Spontaneous combustion occurs between selected bands of coal seams, coal-shale

Experimental study on adsorbing of flue gas and its

2018-11-16 · Three bottles of the mixed gas were prepared for the experimental gas to study the adsorption of O 2 and spontaneous combustion of coal under N 2 atmosphere and flue gas atmosphere, respectively: one was a mixture of 20% O 2 and 80% N 2, one was a mixture of 20% O 2 and 80% flue gas, and the other was the comparison gas whose components were 20

Effects of igneous intrusions on the structure and

Read "Effects of igneous intrusions on the structure and spontaneous combustion propensity of coal: A case study of bituminous coal in Daxing Mine, China, Fuel" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Coal's Spontaneous Combustion Problem Sightline

2012-4-11 · Spontaneous combustion of coal is a well-known phenomenon, especially with PRB coal. This high-moisture, highly volatile sub-bituminous coal will not only smolder and catch fire while in storage piles at power plants and coal terminals, but has been known to be delivered to a power plant with the rail car or barge partially on fire

Laboratory Study on the Rising Temperature of

The spontaneous combustion of coal stockpiles is one of the major hazards during coal mining, storage, and transportation. To overcome the shortcomings of large-scale experiments and CFD modeling techniques, a mathematical model of rising temperature in a hemispherical coal stockpile with a constant heat source in the center was derived and simplified based on a previous study on the

Spontaneous combustion | Project Gutenberg Self

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Minerals | Free Full-Text | High-Temperature Mineral

2019-3-4 · The aim of this study is to analyze natural clinkers (= calcined clays by coal combustion) from a lower Cretaceous coal outcrop in Ariño (Teruel, NE Spain) in order to describe mineral and textural transformations produced during the spontaneous combustion of coal. To achieve this aim, samples were analyzed using X-ray diffraction and optical and electron microscopy.

Spontaneous combustion | Article about spontaneous

spontaneous combustion, phenomenon in which a substance unexpectedly bursts into flame without apparent cause. In ordinary combustion combustion, rapid chemical reaction of two or more substances with a characteristic liberation of heat and light; it is commonly called burning.

Full Text | Fires | Combustion Scribd

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full text of the spontaneous combustion of coal

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Effect of natural convection on spontaneous

Spontaneous combustion may occur in a coal stockpile when the heat generated within the pile cannot be dissipated at near ambient temperature. Under practical conditions, natural convection enhances the rate of heat removal from the bed and shifts the ignition to lower particle sizes (higher reactivities).

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full text of the spontaneous combustion of coal

Spontaneous combustion of coal and maceral …Abstract. The objective of this project is to understand the mechanisms re

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