Experimental and numerical modeling of mixing and settling in continuous metal production

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Description

Metal is now produced from ore in novel single reactors. These converters provide substantial improvement in fuel efficiency and much better pollution control than common practice. The reactors are operated essentially in a horizontal mode to permit staging of fuel and oxygen potential in the bath along the reactor by utilizing bottom-blowing of oxygen and fuel through injectors directly into the liquid bath. The submerged injectors must create sufficient turbulence to provide excellent heat and mass transfer between gas and liquid in the bath, but this turbulence must be localized to provide zones for separation of metal and slag between ... continued below

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20 p.

Creation Information

Richter, H.J.; Laaspere, J.T. & Fitzpatrick, J.M. December 31, 1994.

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Description

Metal is now produced from ore in novel single reactors. These converters provide substantial improvement in fuel efficiency and much better pollution control than common practice. The reactors are operated essentially in a horizontal mode to permit staging of fuel and oxygen potential in the bath along the reactor by utilizing bottom-blowing of oxygen and fuel through injectors directly into the liquid bath. The submerged injectors must create sufficient turbulence to provide excellent heat and mass transfer between gas and liquid in the bath, but this turbulence must be localized to provide zones for separation of metal and slag between the active turbulent mixing and chemical reaction zones. For the design and refinement of these processes it is important to know the behavior of gas and liquids in the plume created by submerged gas injection, the nature of liquid entrainment into the plume, the extent of the mixing zone and the effect of baffles on the confinement of said mixing zone. Experimental and numerical work was conducted to study stirring of single liquid reactors and mixing and settling in a bath of a two liquid reactor stirred by submerged gas injection.

Physical Description

20 p.

Notes

OSTI as DE95008992

Medium: P; Size: 20 p.

Source

  • 2. international symposium on metallurgical processes for the year 2000 and beyond, San Diego, CA (United States), 21-23 Sep 1994

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  • Other: DE95008992
  • Report No.: DOE/ER/14220--2
  • Report No.: CONF-940923--1
  • Grant Number: FG02-91ER14220
  • Office of Scientific & Technical Information Report Number: 36581
  • Archival Resource Key: ark:/67531/metadc680605

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  • December 31, 1994

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 7, 2017, 7:08 p.m.

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Richter, H.J.; Laaspere, J.T. & Fitzpatrick, J.M. Experimental and numerical modeling of mixing and settling in continuous metal production, article, December 31, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc680605/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.