Register  
Forgot Password?
Forgot User Name?
 

Search Results

Search Results for "humphrey spiral"

  Search Again
Organization / Society
AIME (unknown)
AUSIMM (unknown)
CIM (unknown)
Corporate (unknown)
DFI (unknown)
DOI (unknown)
EPA (unknown)
IMMS (unknown)
IMPC (unknown)
MetSoc (unknown)
NIOSH (unknown)
NM (unknown)
RMCMI (unknown)
SAIMM (unknown)
SME (unknown)
TMS (unknown)
USBM (unknown)



Showing: 1 to 10 of 39 matches for "humphrey spiral"  Page   1   2   3   4
TITLE The Humphreys Spiral Concentrator Its Place In Ore Dressing 
SUMMARY 36320 The Humphreys Spiral Concentrator Its Place In Ore Dressing SINCE it was introduced in 1943 to recover chromite from Oregon beach sands, the Humphreys spiral concentrator has proved successful in several fields of wet mineral beneficiation. By the end of 1957, 9390 Humphreys spirals had been ...
AUTHOR Thompson, James V.
PUBLISHED 1958
TITLE The Humphreys Spiral Concentrator Its Place In Ore Dressing 
SUMMARY 36320 The Humphreys Spiral Concentrator Its Place In Ore Dressing SINCE it was introduced in 1943 to recover chromite from Oregon beach sands, the Humphreys spiral concentrator has proved successful in several fields of wet mineral beneficiation. By the end of 1957, 9390 Humphreys spirals had been ...
AUTHOR Thompson, James V.
PUBLISHED 1958
TITLE Minerals Beneficiation - Humphreys Spiral Concentration on Mesabi Range Ores - Discussion 
SUMMARY 20318 Minerals Beneficiation - Humphreys Spiral Concentration on Mesabi Range Ores - Discussion L. A. ROE*—This paper is one of great value to the iron ore industry. The Humphreys spiral is a relatively new tool and gives promise of being quite useful in solving certain problems of iron ore ...
AUTHOR Brown, Whitman E. ; Erck, Louis J.
PUBLISHED 1950
TITLE Papers - Sedimentation - Cleaning Table Middlings from a Coal Washery with the Humphreys Spiral Concentrator (T. P. 2016, Min. Tech., May 1946) 
SUMMARY ... Middlings from a Coal Washery with the Humphreys Spiral Concentrator (T. P. 2016, Min. Tech., May 1946) In 1945 tests were made in the coal washery of the Colorado Fuel and Iron Corporation, at Pueblo, Colo., to determine the value of the Humphreys spiral. So far we have demonstrated that it is of ...
AUTHOR Bertholf, W. M.
PUBLISHED 1947
TITLE Coal - Laboratory Performance Tests of the Humphreys Spiral as a Cleaner of Fine Coal 
SUMMARY 19284 Coal - Laboratory Performance Tests of the Humphreys Spiral as a Cleaner of Fine Coal Four coals were treated in the Humphreys spiral concentrator, and the products were examined by float-and-sink and screen-sizing tests to determine fundamental performance characteristics. The efficiency of ...
AUTHOR Geer, M. R. ; Yancey, H. F. ; Allyn, C. L. ; Eckhouse, R. H.
PUBLISHED 1951
TITLE Cleaning Table Middlings From A Coal Washery With The Humphreys Spiral Concentrator 
SUMMARY 9430 Cleaning Table Middlings From A Coal Washery With The Humphreys Spiral Concentrator IN 1945 tests were made in the coal washery of the Colorado Fuel and Iron Corporation, at Pueblo, Colo., to determine the value of the Humphreys spiral. So far we have demonstrated that it is of definite value ...
AUTHOR Bertholf, W. M.
PUBLISHED 1946
TITLE Cleaning Anthracite Silt for Boiler Fuel with Humphreys Spiral Separator 
SUMMARY 9057 Cleaning Anthracite Silt for Boiler Fuel with Humphreys Spiral Separator THIS paper is a description of the opera¬tion and results of a Humphreys Spiral Silt Cleaning Plant at the Powderly Colliery of The Hudson Coal Co. during the first nine months of operation and follows a pre¬liminary ...
AUTHOR Dennen, W. L. ; Wilson, V. H.
PUBLISHED 1948
TITLE Recovering Fine-Size Coal from Alabama Washer Wastes Using Humphreys Spiral 
SUMMARY 7576 Recovering Fine-Size Coal from Alabama Washer Wastes Using Humphreys Spiral The Mineral Resources Institute and State Mine Experiment Station of the University of Alabama conducted Humphreys spiral tests on fine coal waste from nine preparation plants of Alabama strip mining operations to ...
AUTHOR Browning, James S.
PUBLISHED 1980
TITLE Minerals Beneficiation - Humphreys Spiral Concentration on Mesabi Range Ores 
SUMMARY ... heavy media concentration, Hydrotator, and the Humphreys spiral. The Cleveland-Cliffs Iron Co., after encouraging results from tests in a small pilot plant using one full size spiral, made the first commercial installation of Humphreys spirals on the Mesabi Range at their Hill-Trumbull mine ...
AUTHOR Brown, Whitman E. ; Erck, Louis J.
PUBLISHED 1950
TITLE Papers - Preparation - Cleaning Anthracite Silt for Boiler Fuel with Humphreys Spiral Separator (T.P. 2479, Coal Tech., Nov. 1948, with discussion) 
SUMMARY ... Papers - Preparation - Cleaning Anthracite Silt for Boiler Fuel with Humphreys Spiral Separator (T.P. 2479, Coal Tech., Nov. 1948, with discussion) This paper is a description of the opera-tion and results of a Humphreys Spiral Silt Cleaning Plant at the Powderly Colliery 01 The Hudson Coal Co ...
AUTHOR Dennen, W. L. ; Wilson, V. H.
PUBLISHED 1949
Showing: 1 to 10 of 39 matches for "humphrey spiral"  Page   1   2   3   4

Search Again