FURTHER OUTSTANDING METALLURGICAL RESULTS …
The crushed head sample size distribution and grades are shown in Table 1 below, with 86.46% of the particle sizes ranging from 0.5mm to 6.0mm and having an average head grade of 1.37% Li 2 O. There was only 13.54% of the particles that were below the 0.5mm produced with an average ... (HLS) TESTWORK The HLS float and sink test results have ...
Phase II HLS Testwork Across CV5 Indicates Applicability of …
Heavy Liquid Separation ("HLS") testwork on eleven (11) core sample composites indicate that a Dense Media Separation ("DMS") process is applicable to the greater CV5 Pegmatite body. ... at a coarse crush size using the same HLS parameters from the CV5 Pegmatite test program. The results will also provide an indication as to the ...
Sample Size Calculator
This free sample size calculator determines the sample size required to meet a given set of constraints. Also, learn more about population standard deviation.
Latin Resources demonstrates 'exceptional' metallurgy with …
Based on the promising initial sighter tests that were conducted in July 2022, Latin reports it was confident to conduct the HLS testwork at a much coarser top size of 12.5mm. HLS results from the coarse fraction demonstrated extremely 'high-grades' in excess of 7% Li2O.
ASX ANNOUNCEMENT
to progressing semi-continuous Dense Media Separation (DMS) testwork. Four (4) size fractions, 12.5mm, 9.5mm, 6.3mm and 3.35mm) and 3 heavy liquid densities, 2.7, 2.8 and 2.96g/cm3 were selected to determine the optimum size fraction and liquid densities to progress semi-continuous DMS testwork. All size fractions were wet screened to
Pat Achieves 6% Li2O Spodumene Concentrate …
• Heavy Liquid Separation ("HLS") testwork on five (5) core sample composites from the CV13 Pegmatite cluster indicate that a simple Dense Media Separation ("DMS") process ... circuit also only requires a typically coarse crush size compared to a smaller crush size (or grinding), which results in reduced power consumption and less ...
Process Design and Flowsheet Development
Sample Size and Preparation Our test facility can process samples from a few kilograms up to several hundred tonnes. Minimum Quantity for Single Stage Testwork Equipment Sample Mass Spiral Separator (except HC1 and HC1RS model) 50kg Spiral Separator (HC1 and HC1RS model): MG12 150kg Magnetic Separators (Laboratory Scale IRMS and Lift) 0.5kg 10kg
Phase II HLS Testwork Across CV5 Indicates Applicability
Phase II HLS Testwork Across CV5 Indicates Applicability of DMS Flowsheet Highlights Heavy Liquid Separation ("HLS") testwork on eleven (11) core sample composites indicate that a Dense Media Separation ("DMS") process is applicable to the greater CV5 Pegmatite body. HLS sample head grades ranged from 0.67% to 2.73% Li2O, resulting in an …
Metallurgical Services
Multiple stage programmes require larger samples but the masses shown below provide a typical minimum quantity (of prepared samples) for single stage testwork. Spiral separator (except …
SEYMOUR LAKE: DMS METALLURGICAL TESTWORK …
A comparison between the previous Heavy Liquid Separation (HLS) testwork conducted by IMO on these spodumene samples and this round of DMS testwork, found that the HLS test was conducted at a similar specific gravity of 2.70 and with a crush size of less than 3.35 mm. The HLS achieved a concentrate grade of 5.88% Li 2 O and
Pat Battery Metals: Phase II HLS Testwork Across CV5 …
Heavy Liquid Separation ("HLS") testwork on eleven (11) core sample composites indicate that a Dense Media Separation ("DMS") process is applicable to the greater CV5 Pegmatite body ...
The Beneficiation and Metallurgical Process for the …
The mineral processing testing included heavy liquid separation (HLS), dense medium separation (DMS), and Table testing. 3.1 Heavy Liquid Separation Testwork. Bench-scale heavy liquid separation (HLS) tests serve as a diagnostic tool to assess the amenability of a sample to gravity separation by DMS or shaking table.
TANTALEX LITHIUM ACHIEVES 6+% LI2O SPODUMENE CONCENTRATE GRADE IN HLS
Highlights Heavy Liquid Separation ("HLS") tests on a 2 ton bulk samples taken from the K-dump produced a 6+% Li2O spodumene concentrate at four different size classifications. HLS tests produced a 6.5% Li2O spodumene concentrate at overall lithium recoveries exceeding 60%. Fe2O3 content of +- 1.3% in final spodumene concentrate to be …
SEYMOUR LAKE: PRELIMINARY TESTWORK SHOWS …
The preliminary tests show spodumene particles are well liberated at relatively course size. Testwork is ongoing to develop a suitable processing flowsheet. ... The HLS testwork results from the spodumene samples provided to IMO indicate that the spodumene particles ... Include reference to measures taken to ensure sample representivity and
Production of Spodumene Concentrate from the North …
The cut-points selected for this DMS testwork were based on previously conducted heavy liquid separation (HLS) testwork to produce a 6.0% Li 2 O concentrate with the −6.4/+3.3 mm and the −3.3/+1.0 mm size fractions of each composite sample. The cut-points determined from HLS testwork and used in the DMS pilot plant are presented in Table 2.
BULK SAMPLE METALLURGICAL TESTWORK …
• Initial Heavy Liquid Separation (HLS) testwork on the head sample confirms previous results, producing high grade lithium concentrate of up to 6.74% Li 2 O. • Further and more extensive metallurgical testwork programs are underway on the bulk sample . • Testwork is continuing to develop a suitable processing flowsheet and design.
HLS testwork on spodumene and lepidolite samples to …
Each sample was crushed to passing -20 mm. Sub-samples were removed for head assay, particle size distribution (PSD), size by assay (SBA) and heavy liquid separation (HLS) testwork.
ONGOING TESTWORK CONTINUES TO DEMONSTRATE …
zonte Brazil to undertake a program of HLS testwork on 10 samples representing the total strike length of the current resource drilling program. A total of 367kg o. main …
Metallurgical Test WorkUpdate: Phases 1 & 2 …
Tabling testwork was conducted on the various <0.5mm ... sample crush size was 5.56mm, which was considered at the time as being the most economically preferable crush size. A mica rejection stage was not carried out on the sample beforehand. ... DMS250 2.95 Concentrate: DMS100 sink at 3.3 SG: HLS at 3.3 SG 31.0 16.6 0.03 53.4 1.02 0.75 ...
Heavy liquid separation (HLS)
HLS testing can separate samples at a single density, resulting in a pair of sink-float products or into a range of density intervals with a minimum density increment as small as 0.1.
PIEDMONT COMPLETES BENCH-SCALE TESTWORK …
Bottom Size (mm) Weight (%) Li 2 O (%) Li 2 O Distribution (%) Fe 2 O 3 (%) ... Pilot plant-scale concentration testwork using a bulk sample is also scheduled for H2 2018. ... COMPLETE - HLS Bench-scale Testwork COMPLETE - Bench-scale Comminution Work …
Faraday Metallurgical Testwork-Excellent Flotation …
O composite sample prepared from diamond drill core was ... A feature of the preliminary testwork to date has been the consistently good quality of lithium concentrate produced via HLS testing of size fractions between 1mm and 10mm. The results for heavy liquid separations at 2.9 and 3.0 SG show
METALLURGICAL TESTING METHODS (RENISON, …
2.2 Sample receipt and labelling x Identify and record sample details in workbook. x Investigate and record client requirements. x If samples are bulky and require size reduction, reduce to a workable size as per Gy's sampling equation (Appendix 1). x Pack samples into plastic bags each with detailed identification labels.
Metallurgical Test Results Demonstrates Excellent Recovery …
Two HLS tests were performed on the main composite sample at crush sizes of passing -6.3 mm and -9.5 mm after first removing the -0.85 mm material via screening. HLS sinks products (SG > 2.80) were sent for dry magnetic separation to reduce the iron content in the HLS concentrate.
Metallurgical work achieves outstanding lithium concentrate
The initial HLS testwork results with the application of dry magnetic separation technology applied, produced quality concentrate with a lithia grade ranging from 5.34% Li 2 O to 6.31% Li 2 O from 3 drill core representative composite samples recovered from the Company's Burmeister deposit. ... • Sample size was considered appropriate for ...
Metallurgical Test Work Update
Separation (HLS) test work and has demonstrated that the finest crush size of 3.35mm produces better lithia grades and recoveries compared to ... Figure 1 – 5.6 mm Crush Size HLS and DMS100 Testwork on Roche Dure Bulk Sample 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0
Positive Results from Initial Metallurgical Test Work
crushing test work will also be undertaken presently. HLS test results are theoretical in nature and Dense Media Separation (DMS) processing results are e. ected to be lower in …
PHASE II HLS TESTWORK ACROSS CV5 INDICATES …
Heavy Liquid Separation ("HLS") testwork on eleven (11) core sample composites indicate that a Dense Media Separation ("DMS") process is applicable to the greater CV5 …
FURTHER OUTSTANDING METALLURGICAL RESULTS …
• Additional Heavy Liquid Separation (HLS) testwork on the bulk spodumene sample improves previous Yantai results, producing very high-grade lithium concentrate of up …
The Scheduling, Costing and Importance of …
•tailings bulk sample for thickening, tailings dam and environmental testwork. Flotation BFS •sample collection; •head mineralogy/assay; •initial tests for size/circuit flowsheet optimisation; •concentrate bulk sample for filtration/thickening testwork; and •tailings bulk sample for thickening, tailings dam and environmental testwork.