### MILLING SAG Mill

Figure 1 shows a histogram of Bond ball mill work index frequency, from A.R. MacPherson .... Typical values from the JKTech database are presented in Table 4.

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### MILLING SAG Mill

Figure 1 shows a histogram of Bond ball mill work index frequency, from A.R. MacPherson .... Typical values from the JKTech database are presented in Table 4.

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### Correlations for the Grindability of the Ball Mill As a ... - ResearchGate

Ball mill is vital equipment in industries viz. mineral dressing, ore processing, fertilizers, .... standard equation used by them for the ball mill work index (Bond work ..... [7] .... (dp/db). -0.064. (rhos/rhob). -0.0478. (n/nc). 2.2662. (T/Tc). 0.0877. (N).

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### ON

May 30, 1997 ... ... BOND BALL. The Bond work index of a material is deﬁned as MILL GRINDABH'ITY TEST ... The P values from the JKTech data base (200.

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### Cerro Del Gallo Technical Report - Primero Mining Corp.

May 11, 2012 ... 14.1 Geological Modelling. 74. 14.2 Resource Estimation Database ..... Table 13-2: Bond Ball Mill Work Index Results Summary . ..... JKTech of Brisbane Queensland were also used to determine comminution characteristics.

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### Modelling and simulation of mineral processing circuits using ...

available in the database of parameters on record with JKTech. (Schwarz ..... mill performance and Bond ball mill work index to establish ball mill performance.

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### Comminution - Minerals Engineering International Online

Apr 13, 2010 ... Investigations were carried out in a semi-industrial ball mill .... which, in turn, is used to estimate the Bond ball mill work index. ..... In the database, SAG pinion energies (to grind to T80 1.7 mm) vary from 1.5 to 34 kWh/t ... Mingwei Gao (JKTech Pty Ltd, Australia) and R. Harvey (Mount Isa Mines, Australia).

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### Journal of the Southern African Institute of Mining and Metallurgy - A ...

In mid-2009 FEI bought the MLA business from JKTech. The case for mineralogy can be .... Bond Ball mill Work Index (BBWI/BWI). ▻ Bond Rod mill Work Index...

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### An Overview Of the SmAll-ScAle teStS AvAilAble tO - SGS

Figure 1: Frequency of Bond Ball Mill Work Index. (ARMC) ... Figure 3: SPI Profile Database (MinnovEX). The Bond rod ... The JKTech drop-weight test, as shown.

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### REDHAWK COPPER, INC. Copper Creek Project Preliminary ...

Jul 25, 2013 ... Creek Project, Preliminary Economic Assessment 25,000 TPD Mill with an Underground ..... Table 13.16 Bond Ball Mill Work Index .

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### asian mineral resources limited ban phuc nickel mines limited ban ...

Nov 29, 2005 ... Bond Rod Mill and Ball Mill Work Indices and the Abrasion Index were ... breakage resistance (compared to the JKTech database), which...

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### Comparison of Ore Hardness Measurements for Grinding Mill ...

Key Words: Comminution Tests, Bond Work Indices, JKTech, Grinding Mill Design, ... Ball Mill Work Index tests using crushed feed, and Standard Autogenous ... Database for all tests done to date for SAG Pinion Energy (to T80 1.7 mm) and...

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### Alex Doll | LinkedIn

Mining projects are applying the age-old notion of "check your work" against ... returns comminution datasets suitable for a Bond Work Index based method, an Axb ... relative to a database, depending upon which test procedure was performed. ... e.g., a Bond crushing test compared to a ball mill test, while other differences...

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### Improving Energy Efficiency in Barrick Grinding Circuits.au ...

database was developed within Barrick to help operators at the various sites benchmark their performance. .... Low ball mill efficiency relative to the Bond work index. .... Further recognition is directed to JKTech, Metcom, and Morrell,.

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### Pilot and laboratory test procedures for the design of semi ... - saimm

Sep 27, 2008 ... diameter of 0.250 m, secondary ball mills, a stirred media detractor (SMD), a ..... Bond rod work index (BRWI), JKTech drop weight and abrasion tests, SAG Mill ... to design a test not relying on a database to interpret the results.

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### Copper and Iron Metallurgical Studies - Avalon Minerals Limited

Jul 22, 2014 ... test work across all zones, on copper and iron metallurgy, is planned .... (Bond work index values are averages and tests for ball mill work indices ... Competency (JK Tech) ..... validated using an Access database package.

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### Introducing the JK Bond Ball Lite Test (JK BBL) - JKTech

A new test methodology for the estimation of Bond Ball Mill Work Index · (BBMWi) has ... development database means the JK BBL test method provides reliable.

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### Balls and Cylpebs

ducted in a standard Bond ball mill loaded with various grinding media to treat the ... ore'', with a Bond ball mill Work Index of 14.3kWh/t, and the breakage char-.

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### What Can Go Wrong in Comminution Circuit Design? - ResearchGate

the bond ball mill work indices determinations gave ... bond rod mill work index on at least one sample tested, and ... MAusIMM, Principal Consultant, JKTech Pty Ltd, Isles Road, ..... suitable size distribution is selected from the database and.

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### 03/07/2014 - Gold Road Resources Limited

Jul 3, 2014 ... out by ALS Metallurgy (Perth) and JK Tech (Brisbane) between April and ..... size of 1,180µm, while the Bond Ball Mill Work Index tests were carried out ..... The value of DWi when compared to the JKTech database was found...

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### Energy and Cost Comparisons of HPGR Based Circuits with the ...

the HPGR - ball mill circuit achieved a 21% reduction in energy consumption over the existing SAG - ball mill circuit at the .... The results are presented in Table 3 and compared to the JKMRC test database. ... Table 3 - Summary of JKTech drop weight tests .... circuit while having a lower associated Bond ball mill work index.

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### Bond Ball Mill Index Test | JKTech

A BBMWI test is a standard test for determining the Bond Ball Mill Work Index of a sample of ore. The BBMWI is a measure of the resistance of the material to...

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### CIM Magazine Executive Summary - Evolution of SAG Mill ... - XPS

Evolution of SAG Mill Process Control at the Xstrata Nicke .... Laboratories, Inc. for Bond. Ball Mill Work Index tests using crushed feed, and ... Bond Wi, the SAGDesign Bond Wi on SAG ground ore and the. JK Tech database. In short, each of...

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### Technical Information - SMC Testing - Home of the SMC Test®

In conjunction with the Bond ball mill work index they can be used to ... be used to simulate crushing and grinding circuits using JKTech's simulator – JKSimMet. ... a percentage) of the measured DWi values from each deposit in the data base.

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### Sampling and analysis for feasibility studies and mineral processing

Mar 30, 2015 ... Some small scale bench test work is also cov. ... GRINDABILITY TESTS Bond Ball mill Grindability The AG/SAG mill or HPGR circuit products, ... The figure below shows that the Ball Mill work index is normally distributed with ... GRINDABILITY TESTS JKTECH drop weight test Developed by JKMRC...

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### Report on Mill Comminution Testing - Orezone

Feb 25, 2013 ... Figure 6 - Frequency Distribution of A*b in the JKTech Database . ...... A reduction in the Bond ball mill work index as measured by testing.

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### Download article - Minerals Engineering International Online

Current developments in UFG mills have tended towards high intensity ..... lamproite (Bond ball mill work index 18. kWh/t and Bond .... Teck, Gold Fields, Gekko, JKTech, Outotec,. AMEC, ..... into a database and analysed as required.

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### 1 - Geology Ontario

Dec 21, 2005 ... Table 12: Bond Ball Mill Work Index Test Summary. 27 ... Figure 14: MacPherson Mill Throughput Database. 24 ... JKTech Drop-weight Test.

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### Correlations for the Grindability of the Ball Mill As a Measure of Its ...

Ball mill is vital equipment in industries viz. mineral dressing, ore processing, fertilizers, .... standard equation used by them for the ball mill work index (Bond work ..... [7] .... (dp/db). -0.064. (rhos/rhob). -0.0478. (n/nc). 2.2662. (T/Tc). 0.0877. (N).

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### appendix 33-d comminution circuit energy comparison between ...

Aug 20, 2009 ... Bond Work Index Test Results – Sulphrets . .... Bond ball mill work index . ..... hard in comparison to the JKTech Pty Ltd. (JKTech) database.

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### in sulphide poor platinum - Oulu

an expert system of ball mill grinding circuit. Product particle .... Significant reductions in the Bond work index .... It also maintains a large database of milling and.

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