1 - AS 4156.2.2-1998 COAL PREPARATION - HIGHER RANK COAL - FROTH FLOTATION - SEQUENTIAL PROCEDURE
4 - PREFACE
4 - CONTENTS
5 - FOREWORD
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 3.1 Higher rank coal (as defined in AS 2096)
6 - 4 PRINCIPLE
7 - 5 SAMPLE
7 - 6 APPARATUS
7 - 7 FLOTATION CONDITIONS
7 - 7.1 Collector dosage
7 - 7.2 Frother dosage
7 - 7.3 Solids content
7 - 8 PROCEDURE
7 - 8.1 Initial procedure
7 - 8.2 Initial separation
8 - 8.3 Subsequent separations
8 - 8.4 Analysis of concentrate and tailings
8 - 9 CALCULATION OF RESULTS
9 - 10 REPORTING OF RESULTS
10 - APPENDIX A - WORKED EXAMPLE OF CALCULATION OF RESULTS
10 - A1 SCOPE
10 - A2 PROCEDURE
11 - A3 TEST RESULTS
12 - A4 CALCULATIONS
14 - APPENDIX B - PRESENTATION OF RESULTS
14 - B1 TABULATED DATA
14 - B2 GRAPHICAL PRESENTATION

Sets out a laboratory sequential procedure for the froth flotation testing of fine coal. It provides a means of evaluating for a coal the flotation characteristics that may be expected from the froth flotation process.

This Standard sets out a laboratory sequential procedure for the froth flotation testing of fine coal, e.g. coal having a particle size of less than 0.5 mm. The procedure provides a means of evaluating for a coal the flotation characteristics (expressed as a yield-ash relationship) that may be expected from the froth flotation process.Pulp samples that cannot be dewatered without the use of heat or chemical additives are not covered by this Standard; nor does it cover procedures for the investigation of flotation kinetics.The test is not intended to provide plant design data.This Standard should be read in conjunction with AS 4156.2.1.

First published as AS 4156.2.2-1994.Second edition 1998.Reconfirmed 2013. Originated as AS 4156.2.2-1994. Second edition 1998.