0196140 - UH-J 20003063 RIV CZ eng C - Conference Paper (international conference)
Vlasák, Pavel - Chára, Zdeněk - Štern, Petr
Drag reduction of dense fine-grained suspensions.
Colloquium Fluid Dynamics 2000. Praha: Ústav termomechaniky AV ČR, 2000, s. 141-144. ISBN 80-85918-59-5.
[Fluid Dynamics 2000. Praha (CZ), 24.10.2000-25.10.2000]
Institutional research plan: CEZ:AV0Z2060917
Subject RIV: BK - Fluid Dynamics

The effect of addition of the sodium carbonate and soda water-glass and their concentration for different kaolin slurry was investigated. The significant decreasing of the apparent viscosity and the yield stress was observed due to the addition of the both peptising agents. The viscosity difference between coagulated and peptised slurries can achieve values of several orders of magnitudes depending on peptising agent concentrations. The modification of physico-chemical environment of the transported slurry can be used also for another fine-grained dense hydro-mixture, e.g. for different mine tailings or for bauxite residue.
Permanent Link: http://hdl.handle.net/11104/0091783