Analysis of Intermolecular Complexes of Coal’s Organic Mass in the Search for Composite Flotation Reagents

Analysis of Intermolecular Complexes of Coal’s Organic Mass in the Search for Composite... Cyclic oxygen-bearing compounds and products of petroleum processing are considered as potential composite reagents. In searching for highly effective composite reagents differing in structure and elementary composition, one possible criterion is the energy of the hydrogen bond in intermolecular complexes between the reagent and the coal’s organic mass. The hydrogen-bond energy in intermolecular complexes between the reagent (cyclic siloxanes) and the coal’s organic mass is much higher than that in intermolecular complexes between water and the coal’s organic mass. That is responsible for the reagents’ high flotational activity. The use of distillation residues from the production of octamethylcyclotetrasiloxane improves the extraction of combustible mass in the concentrate in comparison with that currently attained at coal-enrichment facilities. In addition, the reagent consumption is decreased. Products of petroleum processing whose group chemical composition includes cyclic organosilicon compounds are recommended for industrial tests at Russian coal-enrichment facilities. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Analysis of Intermolecular Complexes of Coal’s Organic Mass in the Search for Composite Flotation Reagents

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Publisher
Pleiades Publishing
Copyright
Copyright © 2018 by Allerton Press, Inc.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering
ISSN
1068-364X
eISSN
1934-8398
D.O.I.
10.3103/S1068364X18020060
Publisher site
See Article on Publisher Site

Abstract

Cyclic oxygen-bearing compounds and products of petroleum processing are considered as potential composite reagents. In searching for highly effective composite reagents differing in structure and elementary composition, one possible criterion is the energy of the hydrogen bond in intermolecular complexes between the reagent and the coal’s organic mass. The hydrogen-bond energy in intermolecular complexes between the reagent (cyclic siloxanes) and the coal’s organic mass is much higher than that in intermolecular complexes between water and the coal’s organic mass. That is responsible for the reagents’ high flotational activity. The use of distillation residues from the production of octamethylcyclotetrasiloxane improves the extraction of combustible mass in the concentrate in comparison with that currently attained at coal-enrichment facilities. In addition, the reagent consumption is decreased. Products of petroleum processing whose group chemical composition includes cyclic organosilicon compounds are recommended for industrial tests at Russian coal-enrichment facilities.

Journal

Coke and ChemistrySpringer Journals

Published: Jun 4, 2018

References

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