Greek lignites as additives for controlling filtration properties of water-bentonite suspensions at high temperatures

Vassilios C. Kelessidis, Christina Tsamantaki, Athanasios Michalakis, George E. Christidis, Pagona Makri, Kassiani Papanicolaou, Antonios Foscolos

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The effectiveness of Greek lignites to control the filtration characteristics of water-bentonite suspensions and to minimize formation damage at high temperatures was studied. Twenty-six lignite samples from various peat/lignite deposits in Greece were used together with a commercial lignite product. The contents of humic and fulvic acids, humins, oxygen, ash and the cation exchange capacity of lignite samples were examined with respect to fluid loss of these suspensions. The results show that most samples provided very good filtration control of the water-bentonite suspensions after exposure to 177 °C with some being superior to the commercial product. Better performance was observed after addition of 3% w/v lignite. Total humic and fulvic acids as percentage of dry lignite matter and the organic matter as lignite percentage showed a weak inverse correlation with the fluid loss volumes.

Original languageEnglish
Pages (from-to)1112-1121
Number of pages10
JournalFuel
Volume86
Issue number7-8
DOIs
Publication statusPublished - May 2007
Externally publishedYes

Fingerprint

Bentonite
Coal
Lignite
Suspensions
Water
Humic Substances
Temperature
Ashes
Fluids
Acids
Peat
Biological materials
Coal ash
Cations
Ion exchange
Deposits
Positive ions
Oxygen

Keywords

  • Drilling mud additive
  • Filtration control
  • Humic and fulvic acids

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Organic Chemistry

Cite this

Kelessidis, V. C., Tsamantaki, C., Michalakis, A., Christidis, G. E., Makri, P., Papanicolaou, K., & Foscolos, A. (2007). Greek lignites as additives for controlling filtration properties of water-bentonite suspensions at high temperatures. Fuel, 86(7-8), 1112-1121. https://doi.org/10.1016/j.fuel.2006.10.009

Greek lignites as additives for controlling filtration properties of water-bentonite suspensions at high temperatures. / Kelessidis, Vassilios C.; Tsamantaki, Christina; Michalakis, Athanasios; Christidis, George E.; Makri, Pagona; Papanicolaou, Kassiani; Foscolos, Antonios.

In: Fuel, Vol. 86, No. 7-8, 05.2007, p. 1112-1121.

Research output: Contribution to journalArticle

Kelessidis, VC, Tsamantaki, C, Michalakis, A, Christidis, GE, Makri, P, Papanicolaou, K & Foscolos, A 2007, 'Greek lignites as additives for controlling filtration properties of water-bentonite suspensions at high temperatures', Fuel, vol. 86, no. 7-8, pp. 1112-1121. https://doi.org/10.1016/j.fuel.2006.10.009
Kelessidis, Vassilios C. ; Tsamantaki, Christina ; Michalakis, Athanasios ; Christidis, George E. ; Makri, Pagona ; Papanicolaou, Kassiani ; Foscolos, Antonios. / Greek lignites as additives for controlling filtration properties of water-bentonite suspensions at high temperatures. In: Fuel. 2007 ; Vol. 86, No. 7-8. pp. 1112-1121.
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