Deposition of Bitumen and Asphaltene-Stabilized Emulsions in an Impinging Jet Cell

Understanding Water‐Based Bitumen Extraction from Athabasca Oil Sands

“…For recovering bitumen from oil sands, the colloidal forces play a significant role in each step of the bitumen extraction. Different techniques have been developed recently to measure the interaction forces in bitumen extraction systems either indirectly or directly (Sanders, 1997;Sanders et al, 1995Sanders et al, , 2003Yang et al, 1998Yang et al, , 1999Yang et al, , 2000Yang et al, , 2002Wu et al, 1999Wu et al, , 2000Laroche et al, 2002). The application of atomic force microscopy (AFM) and surface force apparatus (SFA) to oil sand systems has made it possible to directly measure the intermolecular forces between bitumen and solids under different water chemistry environment (Yoon et al, 1995(Yoon et al, , 1999Liu et al, 2004c;2004a,b).…”

The charge of glass and silica surfaces

“…These constraints can be relaxed to some degree by resorting to alternative techniques like microelectrophoresis [3,4], streaming potential measurements [5], conductometry [6] and electroacoustic methods [7,8]. All of these methods, however, rely heavily on approximate models for electrostatic or hydrodynamic processes in the interfacial region, introducing uncertainties that are difficult to estimate.…”

Adsorption of asphaltenes from toluene on typical soils of Lublin region

“…These particles can associate and aggregate forming large particles dependent on temperature, pressure and concentration [7,8,11,13,[17][18][19][20][21][22][23][24][25][26][27]30,[40][41][42][43]. It is well known that asphaltenes are natural surfactants stabilising water/crude oil emulsion [13,14,[44][45][46][47][48][49][50][51][52][53]. Thus, their adsorption on charged mineral surfaces could be considered as adsorption of ionic surfactants.…”