Insights on Flow Behavior of Foam in Unsaturated Porous Media during Soil Flushing

  One-dimensional column and two-dimensional tank experiments were carried out to determine (1) the physics of foam flow and propagation of foaming gas, foaming liquid, and foam; (2) the pressure distribution along foam flow and the effect of media permeability, foam flow rate and foam quality on fo...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 88(2016), 11 vom: 01. Nov., Seite 2132-2141
1. Verfasser: Zhao, Yong S (VerfasserIn)
Weitere Verfasser: Su, Yan, Lian, Jing R, Wang, He F, Li, Lu L, Qin, Chuan Y
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Soil Soil Pollutants Surface-Active Agents Water 059QF0KO0R Sodium Dodecyl Sulfate 368GB5141J
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520 |a   One-dimensional column and two-dimensional tank experiments were carried out to determine (1) the physics of foam flow and propagation of foaming gas, foaming liquid, and foam; (2) the pressure distribution along foam flow and the effect of media permeability, foam flow rate and foam quality on foam injection pressure; and (3) the migration and distribution property of foam flow in homogeneous and heterogeneous sediments. The results demonstrated that: (1) gas and liquid front were formed ahead of the foam flow front, the transport speed order is foaming gas > foaming liquid > foam flowing; (2) injection pressure mainly comes from the resistance to bubble migration. Effect of media permeability on foam injection pressure mainly depends on the physics and behavior of foam flow; (3) foam has a stronger capacity of lateral spreading, besides, foam flow was uniformly distributed across the foam-occupied region, regardless of the heterogeneity of porous media 
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650 7 |a Soil Pollutants  |2 NLM 
650 7 |a Surface-Active Agents  |2 NLM 
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650 7 |a 059QF0KO0R  |2 NLM 
650 7 |a Sodium Dodecyl Sulfate  |2 NLM 
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700 1 |a Su, Yan  |e verfasserin  |4 aut 
700 1 |a Lian, Jing R  |e verfasserin  |4 aut 
700 1 |a Wang, He F  |e verfasserin  |4 aut 
700 1 |a Li, Lu L  |e verfasserin  |4 aut 
700 1 |a Qin, Chuan Y  |e verfasserin  |4 aut 
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