INFLUENCE OF SURFACTANTS ON RHEOLOGICAL PROPERTIES OF OIL-WATER-COAL EMULSIONS

Authors

  • Anatolii S. Makarov Institute of Colloid Chemistry and Water Chemistry A.V. Dumansky National Academy of Sciences of Ukraine, Ukraine https://orcid.org/0000-0002-7338-2906
  • Iryna M. Kosygina Kosygina Institute of Colloid Chemistry and Water Chemistry A.V. Dumansky National Academy of Sciences of Ukraine, Ukraine https://orcid.org/0000-0002-8277-9745
  • Alexander I. Egurnov Egurnov Limited liability company ANA-TEMS (ANA-TEMS LTD), Ukraine
  • Iryna N. Kruchko Institute of Colloid Chemistry and Water Chemistry A.V. Dumansky National Academy of Sciences of Ukraine, Ukraine

DOI:

https://doi.org/10.15421/jchemtech.v30i3.247272

Keywords:

Keywords: oil-water-coal emulsions, rheological properties, coal, motor oils, viscosity.

Abstract

The technology for obtaining highly concentrated oil-water-coal fuels used as liquid fuel in power generating plants associated with thermal engineering requirements: maximum filling of the emulsion dispersion medium with combustible components (for example, dispersed coal). In this case, the system must be stable for a long period and have a viscosity that will provide the possibility of easy transportation of fuel through pipes, storage and spraying by nozzles (with a viscosity of 1.5–2 Pa s). To study the effect of chemical reagents on the rheological properties of composite fuel, systems were obtained based on «LG» coal (Ad = 9.3 %) with a solid phase content St = 40%, used engine oil Comma Xtech 5W-30 (Cm = 49 %), water CH2O = 10 % and chemical additive 1 %. The effectiveness of reducing the viscosity of the system by a chemical additive decreases: RH-1 > DT-2 > ResinAnt 2 > DT-1 > WA-4 > ER-3 > WA-2 > WA-5 > OP-10. Additives such as ResinAnt 2, DT-2, RH-1 have the optimal ability to reduce the viscosity of the oil-water – coal fuels.

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Published

2022-10-31

Issue

Vol. 30 No. 3 (2022): Journal of Chemistry and Technologies

Section

Physical and inorganic chemistry

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