Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles

Publication Date
1998-09-29Filing Date
1996-04-30Inventor
Yoon, Roe-Hoan
Adel, Gregory T.
Luttrell, Gerald H.
Metadata
Show full item recordAbstract
A method and apparatus are disclosed for the microbubble flotation separation of very fine and coarse particles, especially coal and minerals, so as to produce high purity and high recovery efficiency. This is accomplished through the use of a flotation column, microbubbles, recycling of the flotation pulp, and countercurrent wash water to gently wash the froth. Also disclosed are unique processes and apparatus for generating microbubbles for flotation in a highly efficient and inexpensive manner using either a porous tube or in-line static generators.
Assignee
Virginia Tech Intellectual Properties, Inc.
Patent Number
5814210
Application Number
8641778
Primary/U.S. Class
209/164
Other/U.S. Class
209/170
261/122.1
261/DIG75
CPC Class
B01F5/0476
B01F3/04106
B01F5/0408
B01F5/0617
B01F3/04099
B01F2003/04319
B01F2003/0439
B01F2003/04858
B01F2215/0431
B03D1/028
B03D1/082
B03D1/1475
B03D1/245
B03D1/1412
Y10S261/75
Patent Type
utility
Collections
- Virginia Tech Patents [687]