This Standard specifies the requirements for testing the performance of coal density separators using density tracers, and provides a method for the presentation of test results.
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Test method
4.1 General
4.2 Apparatus
4.2.1 Density tracers
4.2.2 Density tracer retrieval or detection equipment
4.3 Procedure
4.3.1 Density tracer selection
4.3.2 Insertion of density tracers
4.3.3 Density tracer retrieval or detection and data capture
4.3.3.1 Non-RFID density tracers
4.3.3.2 Automatically detected RFID density tracers
4.4 Data processing
4.4.1 Data acceptability
4.4.1.1 Selection of tracer densities
4.4.1.2 Collection/detection rate
4.4.2 Calculation of partition numbers
4.4.3 Confidence intervals for partition points
4.4.3.1 Tracer densities
4.4.3.2 Partition numbers
4.4.4 Fitting the partition curve
4.5 Reporting of test results
Appendix A
A.1 Non-RFID density tracers
A.2 RFID density tracers
Appendix B
B.1 Test duration
B.2 Retrieval of re-usable density tracers
B.3 Detection of RFID density tracers
B.4 Checklist
Appendix C
C.1 General
C.2 Density tracer size or sizes
C.2.1 Dense medium cyclones
C.2.2 Dense medium baths
C.3 Density tracer densities
C.3.1 Cases where bypass is not expected
C.3.2 Cases where bypass is expected
Appendix D
Appendix E
Bibliography
Cited references in this standard
Content history
AS 5213:2019 REC:2025
DR AS 5213:2018
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