Type of Document	Master's Thesis
Author	Randolph, John Michael Jr.
Author's Email Address	j-randolph@usa.net
URN	etd-102197-144810
Title	Characterizing Flotation Response: A Theoretical and Experimental Comparison of Techniques
Degree	Master of Science
Department	Mining and Minerals Engineering
Advisory Committee	Advisor Name Title Adel, Gregory T. Committee Chair Luttrell, Gerald H. Committee Member Yoon, Roe-Hoan Committee Member
Keywords	Release Analysis Flotation Mineral Characterization
Date of Defense	1997-09-12
Availability	unrestricted
Abstract Over the past 40 years, several procedures have been proposed for characterizing ideal flotation behavior. These procedures, known as release or tree analysis, generally involve multi-stage flotation in batch, laboratory flotation cells using various combinations of rougher, cleaner, and scavenger configurations. Although some of these procedures have been experimentally compared, there remains considerable controversy as to which approach best approximates the ideal flotation response. In this investigation, modeling and simulation techniques are used in conjunction with experimental studies to compare three procedures commonly used for characterizing flotation behavior. These procedures include timed release analysis, simplified release analysis, and tree analysis. Timed release analysis is shown to produce superior results to simplified release analysis and tree analysis; although simplified release analysis appears to be best suited for locating the "elbow" of the grade-recovery curve. In no case, do any of these techniques approximate a perfect separation. A novel technique, known as reverse release analysis, is described and demonstrated to be superior to the other three procedures. Finally, a theoretical methodology for obtaining the true ideal separation curve is presented.
Files	Filename       Size       Approximate Download Time (Hours:Minutes:Seconds)     28.8 Modem   56K Modem   ISDN (64 Kb)   ISDN (128 Kb)   Higher-speed Access    Append.pdf 8.76 Kb 00:00:02 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append1.pdf 136.14 Kb 00:00:37 00:00:19 00:00:17 00:00:08 < 00:00:01   Append2a.pdf 10.52 Kb 00:00:02 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2b.pdf 7.10 Kb 00:00:01 00:00:01 < 00:00:01 < 00:00:01 < 00:00:01   Append2c.pdf 10.89 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2d.pdf 11.65 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2e.pdf 10.80 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2f.pdf 10.78 Kb 00:00:02 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2g.pdf 11.61 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2h.pdf 7.05 Kb 00:00:01 00:00:01 < 00:00:01 < 00:00:01 < 00:00:01   Append2i.pdf 11.69 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2j.pdf 11.10 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2k.pdf 10.85 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Append2l.pdf 11.55 Kb 00:00:03 00:00:01 00:00:01 < 00:00:01 < 00:00:01   Chapt1.pdf 195.31 Kb 00:00:54 00:00:27 00:00:24 00:00:12 00:00:01   Chapt2.PDF 346.12 Kb 00:01:36 00:00:49 00:00:43 00:00:21 00:00:01   Chapt3.PDF 347.39 Kb 00:01:36 00:00:49 00:00:43 00:00:21 00:00:01   Chapt4.pdf 346.20 Kb 00:01:36 00:00:49 00:00:43 00:00:21 00:00:01   Chapt5.PDF 93.88 Kb 00:00:26 00:00:13 00:00:11 00:00:05 < 00:00:01   Chapt6.PDF 92.77 Kb 00:00:25 00:00:13 00:00:11 00:00:05 < 00:00:01   Ref.pdf 94.18 Kb 00:00:26 00:00:13 00:00:11 00:00:05 < 00:00:01   Start.pdf 110.94 Kb 00:00:30 00:00:15 00:00:13 00:00:06 < 00:00:01   Vita.pdf 96.60 Kb 00:00:26 00:00:13 00:00:12 00:00:06 < 00:00:01

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