The Prediction of Gas Residence Times in Foaming CaO-SiO_2-FeO Slags

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概要

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• A dynamic, non-equilibrium model of foaming:Σ=1×106((<I>pg</I>)2<I>d</I>3 μ·<I>E</I>eff)which relates the residence times of gas bubbles in foams (Σ) to the viscosity of the liquid phase (μ); the effective elasticity (<I>E</I>eff) resulting from the dynamic adsorption of surface active species; the liquid phase density (ρ); and the mean bubble diameter (<I>d</I> ); has been applied to foaming in the CaO–SiO2–FeO system at 1823 K. In agreement with industrial observations, the model shows a transition from a foaming regime to a non-foaming regime as the slag basicity increase above 1.5. This is due to poor surface elasticity resulting from the negligible adsorption of silica in this region.

• 社団法人 日本鉄鋼協会の論文
• 1998-11-15

著者

• Lee Hae-geon

  Department Of Materials Science And Engineering Pohang University Of Science And Technology (postech

• HAYES Peter

  Department of Mining, Minerals and Materials Engineering, University of Queensland

• Lee H‐g

  Pohang Univ. Sci. And Technol. Pohang Kor

• Hayes P

  Univ. Queensland Queensland Aus

• Hayes Peter

  Department Of Mining Minerals And Materials Engineering University Of Queensland

• Hayes Peter

  Department Of Mining And Metallurgical Engineering The University Of Queensland

• Lee Hae-geon

  Department Of Mining And Metallurgical Engineering The University Of Queensland

• GHAG Surinder

  RGC Mineral Sands

• Lee Hae-geon

  Department Of Materials Science & Engineering Pohang University Of Science & Technology (pos

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