Author: Lionel L. CraddockPublisher:
ISBN:
Category : Pyrites
Languages : en
Pages : 24
Book Description
A Technique for the Particle Size Analysis of Coal Pyrites
Author: Lionel L. CraddockPublisher:
ISBN:
Category : Pyrites
Languages : en
Pages : 24
Book Description
Validation of Image Analysis and Sample Pellet Preparation Methods for Estimating Pyrite Particle Size Distribution in Crushed Coals
Author: Gino A. IrdiPyrite Size Distribution and Coal-pyrite Particle Association in Steam Coals
Author: James T. McCartneyPublisher:
ISBN:
Category : Coal preparation
Languages : en
Pages : 26
Book Description
Validation of Image Analysis and Sample Pellet Preparation Methods for Estimating Pyrite Particle Size
Author: Gino A. IrdiEvaluation of Pyrite Particle Size, Shape, and Distribution Factors for Coal Channel Samples
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The size and nature of pyrite crystals in coal has been examined by electron microscopy, with the view of assessing the potential for desulfurization at various stages of grinding (especially after grinding to approximately 200 mesh size which is often done just prior to combustion). (LTN).
Validation of Image Analysis & Sample Pellet Preparation Methods for Estimating Pyrite Particle Size Distribution in Crushed Coals
Author: Beneficiation of Ferrochromium by Molten Salt Electrolysis
Author: F. R. CattoirA Microscope System Using Automated Reflectance Scanning to Study Coal Components
Author: James Thomas McCartneyPublisher:
ISBN:
Category : Coal
Languages : en
Pages : 24
Book Description
Automated Microscopy Methods for Measuring Pyritic Sulfur Content of Coal and Determining Degree of Liberation of Pyrite in Coal
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The objective of this project is to develop an automated procedure, to be implemented in an IBAS image analyzer, to determine size, shape and degree of liberation of pyrite particles in a coal matrix. This procedure is to work in real time conditions and with minimal intervention from the operator. Our approach is to create from the original microscopic image a three level image with the following components: epoxy, coal macerals and pyrite to simplify the calculations. Enhancing the original image by histogram scaling and median filtering, we segment it and form the three level image. After the boundaries of the pyrite particles are defined, we mask the surroundings of the particle to estimate the degree of liberation. The percentage of epoxy included in the mask is defined as the degree of liberation of the particle. Size and shape factor values are simultaneously calculated for each of the analyzed particles. These particles are classified according to their maximum diameter, shape factor and degree of liberation by the program. 6 refs., 18 figs.
Author: