Journal ArticleDOI
An XPS study of the oxidation of pyrite and pyrites in coal
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In this article, X-ray photoelectron spectroscopy (XPS) was used to study coal-associated pyrites, oxidized for various time intervals at low temperatures with humid air or oxygen.About:
This article is published in Fuel.The article was published on 1977-07-01. It has received 40 citations till now. The article focuses on the topics: Pyrite & Relative humidity.read more
Citations
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Etude par spectroscopie de photoelectrons de la degradation superficielle de FeS2, CuFeS2, ZnS et PbS a l'air et dans l'eau
TL;DR: In this paper, photoelectron spectroscopy (XPS) was used to characterize the surface of pyrite and chalcopyrite after exposure to air and distilled water.
Journal ArticleDOI
Direct determination and quantification of sulphur forms in heavy petroleum and coals: 1. The X-ray photoelectron spectroscopy (XPS) approach
TL;DR: X-ray photoelectron spectroscopy (XPS) was applied to the problem of speciating and quantifying organically bound forms of sulphur in nonvolatile and solid hydrocarbons as mentioned in this paper.
Journal ArticleDOI
Application of XPS to coal characterization
David L. Perry,Alan Grint +1 more
TL;DR: In this article, the use of X-ray photoelectron spectroscopy to probe the chemistry of coal surfaces is reviewed and its application to the functional group composition of bulk coals is discussed.
Journal ArticleDOI
Investigation of sulfur forms and transformation during the co-combustion of sewage sludge and coal using X-ray photoelectron spectroscopy.
TL;DR: The transformation of each functional group during co-combustion were correlated with their transformation characteristics during the mono- Combustion of coal and SS, and no obvious interaction was observed, which demonstrated that the coal-origin and SS-origin sulfur in mixtures kept their own characteristics in the combustion.
Journal ArticleDOI
Characterization of a natural and an electro-oxidized arsenopyrite: a study on electrochemical and X-ray photoelectron spectroscopy
TL;DR: In this paper, the results of a detailed study on the electrochemistry of an arsenopyrite mineral and a concentrate as well as other mineral species contained in it in a chloride medium (NaCl 1.9 M+HCl 0.1 M) using cyclic voltammetry were discussed.
References
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Book
ESCA : atomic, molecular and solid state structure studied by means of electron spectroscopy
Kai Siegbahn,Carl Nordling,A. Fahlman,R. Nordberg,Kuell Hamrin,J. Hedman,G. Johansson,T. Bergmark +7 more
Book
Photoelectron and Auger Spectroscopy
T. A. Carlson,Homer D. Hagstrum +1 more
TL;DR: In this paper, the authors present a review of the literature on electron spectroscopy and its application in the field of computer vision. But they do not discuss the specific applications of electron spectrograms.
Journal ArticleDOI
Far-Infrared Spectroscopy of Minerals and Inorganics
Clarence Karr,John J. Kovach +1 more
TL;DR: Far-infrared spectroscopic analysis of minerals and inorganics was investigated in this paper, where the first results were obtained for 18 different types of minerals, including 8 sulfides, 3 oxides, 4 carbonates, and 4 sulfates.
Journal ArticleDOI
X-ray photoelectron spectroscopic investigation of coal
TL;DR: In this paper, the carbon, oxygen and sulphur content of coal was determined using X-ray photoelectron spectroscopy (XPS) with the objective of determining the organic sulphur in coal by XPS.
Journal ArticleDOI
Removal of sulphur from coal by air oxidation at 350–450 °C
R.K. Sinha,Philip L. Walker +1 more
TL;DR: In this article, the extent of sulphur removal from seven U.S. coals has been studied by low-temperature oxidation, and the total sulphur in these coals varied between 3 and 7% by weight.