The chemical forms of sulfur in coal: a review

WH Calkins - Fuel, 1994 - Elsevier
The sulfur in coal exists in inorganic and organic forms. The inorganic forms are usually
sulfides and sulfates, with pyrite the major inorganic sulfur contaminant in most coals …

Demineralization of low grade coal–A review

P Meshram, BK Purohit, MK Sinha, SK Sahu… - … and Sustainable Energy …, 2015 - Elsevier
World over large reserves of low grade coals are available. The use of low-grade coal in
various industries like power plants, metallurgical plants, cement units, etc. creates …

[图书][B] The chemistry and technology of petroleum

JG Speight - 2006 - taylorfrancis.com
Refineries must not only adapt to evolving environmental regulations for cleaner product
specifications and processing, but also find ways to meet the increasing demand for …

[图书][B] Coal flotation and fine coal utilization

J Laskowski - 2001 - books.google.com
To stay profitable while complying with environmental regulations requires that the coal
industry not only improve fine coal recovery but also finds better ways for its utilization. This …

[图书][B] Energy resources and systems: volume 1: fundamentals and non-renewable resources

TK Ghosh, MA Prelas - 2009 - Springer
Coal is the primary source of energy for most of the countries in the world. Although the main
use of coal is in the generation of electricity, recently synthesis of liquid fuel from coal is …

Application of artificial neural networks to predict chemical desulfurization of Tabas coal

E Jorjani, SC Chelgani, SH Mesroghli - Fuel, 2008 - Elsevier
This paper presents a neural network model to predict the effects of operational parameters
on the organic and inorganic sulfur removal from coal by sodium butoxide. The coal particle …

Pyrite and oxidized iron mineral phases formed from pyrite oxidation in salt marsh and estuarine sediments

GW Luther III, A Giblin, RW Howarth… - … et Cosmochimica Acta, 1982 - Elsevier
We used scanning electron microscopy and energy dispersive X-ray analysis to examine
sediments from vegetated portions of three salt marshes, the Great Sippewissett Marsh …

Introductory chapter: pyrolysis

HAH Ibrahim - Recent Advances in Pyrolysis, 2020 - books.google.com
Pyrolysis, or thermolysis, is in essence an irreversible thermochemical treatment process of
complex solid or fluid chemical substances at elevated temperatures in an inert or oxygen …

Conversion of petroleum coke into valuable products using oxy-cracking technique

AD Manasrah, NN Nassar, LC Ortega - Fuel, 2018 - Elsevier
The global production of residual feedstock has reached 150 million metric tons per annum
and is expected to increase in the future due to the progressively increasing heavier nature …

Advances in the chemical leaching (inorgano-leaching), bio-leaching and desulphurisation of coals

H Dhawan, DK Sharma - International Journal of Coal Science & …, 2019 - Springer
Coal still remains an important source of power generation world over. Along with its usage,
comes unwanted generation of noxious gas emissions, toxic metal releases into wastewater …