Flotation Tests of Idaho Ores Page: I
84 p. : ill.View a full description of this report.
- Highlighting
- Highlighting On/Off
- Color:
- Adjust Image
- Rotate Left
- Rotate Right
- Brightness, Contrast, etc. (Experimental)
- Cropping Tool
- Download Sizes
- Preview all sizes/dimensions or...
- Download Thumbnail
- Download Small
- Download Medium
- Download Large
- High Resolution Files
- IIIF Image JSON
- IIIF Image URL
- Accessibility
- View Extracted Text
Extracted Text
The following text was automatically extracted from the image on this page using optical character recognition software:
CONTENTS.
Page.
Part I.--Testing Coeur d'Alene lead-zinc ores for differential flotation....... 3
Introduction.... .......................... ..... ............... 3
Definitions............................................................ 4
Acknowledgments...................................................... 4
Lead-zinc ores of the Coeur d'Alene region............................... 4
Products obtained by present methods of concentration.............. 5
Testing the lead-zinc ores for differential flotation...................... 6
Use of oils and chemicals.......................................... 7
Operating conditions............................................. 8
Testing ore No. 1 for differential flotation............................ 10
Description of ore................................................. 10
Screen analysis of ore 1....................................... 11
Examination of screen products................................. 12
Results of flotation tests............................................ 13
Testing ore 1, A, for differential flotation............................. 16
Description of ore................................................. 16
Screen analysis of ore 1, A................................ 16
Examination of screen products................................. 17
Results of flotation tests......................................... 17
Conclusions from tests on ores 1 and 1, A............................. 23
Testing ore 2 for differential flotation................................... . 23
Description of ore................................................. 23
Screen analysis of ore 2...................................... 24
Examination of screen products................................. 25
Results of flotation tests.................................................... 26
Testing ore 3 for differential flotation................................ 31
Description of ore................................................. 31
Screen analysis of ore No. 3............................................... 32
Examination of screen products................................. 32
Results of flotation tests........................................... 33
Testing ore 4 for differential flotation.......................................................... 38
Description of ore................................................. 38
Screen analysis of ore 4....................................... 39
Examination of screen products............................... 40
Results of flotation tests.......... ...................................... ... 41
General conclusions.................................................. 48
Part II.-Tests of two copper ores and one antimonial silver ore for flotation... 49
Introduction......................................................... 49
Tests of a chalcopyrite-pyrrhotite copper ore............................ 49
Description of ore................................................. 49
Screen analysis............. ................................... .. 51
Examination of the screen products.............................. 51
Results of flotation tests........................................... 52
Conclusions........................................................ 54
I
Upcoming Pages
Here’s what’s next.
Search Inside
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Matching Search Results
View 70 pages within this report that match your search.Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
Wright, Clarence A.; Parmelee, James G. & Norton, James T. Flotation Tests of Idaho Ores, report, 1921; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12395/m1/3/?q=%22ores%22: accessed May 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.