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Evaluation of Chemical Reagents to Enhance the Dewatering of Fine Coal
Indexado
WoS WOS:000479048800003
Scopus SCOPUS_ID:85020711126
DOI 10.1080/19392699.2017.1327854
Año 2019
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Coal dewatering of fine coal is one of the major challenges faced by the coal preparation plants. The plant studied in this research is currently producing a fine coal product with 28% moisture and is required to reduce it to below 17% before this fine stream is blended with rest of the clean coal streams. A lot of dewatering aids such as surfactants, flocculants, and superabsorbent polymers are available on the market to enhance the dewatering process. The research was designed to use various dewatering aids to reduce the moisture content of this fine product without decreasing the production rate. Several commercially available chemical reagents were used to enhance the dewatering of this coal product. These reagents were selected in such a way that they could be grouped into different categories depending on their action. The results showed that the surface tension reducing reagents (STR) have a higher capability of moisture reduction than the coal hydrophobicity modifying (CHM) reagents and commonly used in filtration flocculants. Super absorbing polymers used in the dewatering of fine coal were shown to outperform all the other reagents and seem to be suited for this plant dewatering scenario. A cost-benefit analysis is required to make necessary plant modifications if they are to be used there, however, this was not in the scope of this project.

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Disciplinas de Investigación



WOS
Energy & Fuels
Mining & Mineral Processing
Scopus
Energy Engineering And Power Technology
Chemical Engineering (All)
Fuel Technology
Mechanical Engineering
Geotechnical Engineering And Engineering Geology
SciELO
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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Holuszko, Maria Mujer UNIV BRITISH COLUMBIA - Canadá
The University of British Columbia - Canadá
2 Kumar, Amit Hombre UNIV BRITISH COLUMBIA - Canadá
The University of British Columbia - Canadá
3 Engwayu, Jophat - UNIV BRITISH COLUMBIA - Canadá
The University of British Columbia - Canadá
4 Gutierrez, Leopoldo Hombre Universidad de Concepción - Chile
5 Arinaitwe, Esau - Solvay Cytec - Estados Unidos
Cytec Industries Inc. - Estados Unidos

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Financiamiento



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