Flotation 2021 topics include Physics, Chemistry, Bubbles, froths, bubble-particle interactions, Flotation cell hydrodynamics, Plant Operations, process mineralogy problems, Flotation Circuits, Flotation machine developments, coal flotation and Environmental considerations.
The 10th International Flotation Conference (Flotation '21) is organised by MEI in consultation with Prof. Jim Finch and is sponsored by Promet101, Maelgwyn Mineral Services, Magotteaux, Gold Ore, CiDRA Minerals Processing, Hudbay Minerals, Senmin, Clariant, BASF, Eriez, Nouryon, Festo, Newmont,Cancha, Zeiss,FLSmidthand Kemtec-Africa.
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VANCOUVER, British Columbia, July 06, 2021 (GLOBE NEWSWIRE) -- Monument Mining Limited (TSX-V: MMY and FSE: D7Q1) ("Monument" or the "Company") is pleased to announce that the independent flotation testwork undertaken at Bureau Veritas Laboratory (BV) in Perth has successfully replicated the positive results achieved by the on-site metallurgical laboratory to produce a marketable gold concentrate at the Selinsing Gold Mine.
CEO and President Cathy Zhai commented: We are very pleased with the test results that are a milestone step in achieving a sustainable cash supply from our Selinsing gold sulphide inventory by the sale of a sulphide concentrate produced through the planned flotation plant to third parties. The Phase II plant upgrade may follow to construct a BIOX-leaching circuit if deemed economically viable to treat both the Selinsing concentrates and third party concentrates on-site in order to further enhance the revenue level. Our new business model of expanding operations into treating third parties concentrates through a planned BIOX-leaching circuit continues to be assessed.
She further added: We have noted that the recent announcements of tighter Chinese import restriction for the arsenic levels in gold concentrates imply that a number of producers of complex gold concentrates that currently sell into China will be looking for new off-take partners. Consequentially Selinsings proposed BIOX plant could be their new home.
Orway Mineral Consultants (OMC) was engaged by the Company to modify the flotation conceptual engineering design that was reported in the Snowden feasibility study in February 2019, in order to produce gold concentrates as a final product for sale instead of a mid-product for further bio-leach treatment to accommodate a two stage approach Sulphide treatment plant expansion strategy.
The independent testwork was carried out from February to May 2021 in Perth, Australia through Bureau Veritas Laboratory (BV Lab) under OMCs supervision. The aim of this testwork was to independently verify the process parameters developed by the on-site laboratory through extensive testwork. Based on the test results, the optimized flotation conceptual engineering design was completed by OMC in June 2021 under the Sulphide Flotation Circuit Design - Selinsing Gold Project, including flotation testwork parameters, process design criteria, circuit modelling, engineering design brief and consumables estimates.
Diamond drilling was conducted at Buffalo Reef pits BRC2, BRC3, BRC4 and BR North to provide samples. BV Lab testwork was designed to ensure repeatability of the on-site testwork and all flotation tests were carried out in duplicate.
The BV Lab testwork has proved that the Selinsing onsite laboratory test results are repeatable in a commercial lab for Fresh and Transition ore (Table 1. Summary of the BV Lab results), and the onsite laboratory recovery numbers can be used by OMC with reasonable confidence for engineering design (refer to news release dated April 27, 2021 Monument Commences Flotation Plant Work at Selinsing).
The Selinsing on-site lab also tested the flotation scheme on the individual ore zones, which allowed for benchmarking of both the site and BV Lab composite results against the projected weighted average. The comparison is below in Table 3: Final Concentrates Results.
There was better precision when comparing the calculated weighted average data against both the on-site lab and the BV Lab composite results for the fresh testwork. When benchmarked against the calculated weighted average, the transition ore concentrate grades reported by BV Lab were consistently higher and mass pulls lower than the site lab data respectively.
OMC completed the process plant design in early June 2021, and has submitted the process engineering design including the process design criteria, major equipment summary, flowsheet, mass balance and consumables estimates. The battery limits for the Selinsing Stage 1 sulphide flotation circuit are the primary mill feed conveyor, the concentrate storage facility and the tails thickener underflow pump discharge as shown in Figure 1: Proposed Flotation Circuit Configuration. The process design has indicated that 6 x 30m3 cells for Rougher, 2 x 20m3 cells for Cleaner 1, 2 x 4.3m3 cells for Cleaner 2 and 2 x 0.5m3 cells for Cleaner 3 are to be used.
The scientific and technical information in this press release has been prepared by Charlie Northfield, B.Sc.(Hons), ACSM, of Monument Mining Limited; reviewed and approved by Fred Kock (FAusIMM), Principal Metallurgist of Orway Mineral Consultants, Qualified Person as defined by NI43-101.
Monument Mining Limited (TSX-V: MMY, FSE:D7Q1) is an established Canadian gold producer that owns and operates the Selinsing Gold Mine in Malaysia. Its experienced management team is committed to growth and is also advancing the Murchison Gold Projects comprising Burnakura, Gabanintha and Tuckanarra (20% interest) in the Murchison area of Western Australia. The Company employs approximately 200 people in both regions and is committed to the highest standards of environmental management, social responsibility, and health and safety for its employees and neighboring communities.
"Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release."
This news release includes statements containing forward-looking information about Monument, its business and future plans ("forward-looking statements"). Forward-looking statements are statements that involve expectations, plans, objectives or future events that are not historical facts and include the Company's plans with respect to its mineral projects and the timing and results of proposed programs and events referred to in this news release. Generally, forward-looking information can be identified by the use of forward-looking terminology such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or variations of such words and phrases or state that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved". The forward-looking statements in this news release are subject to various risks, uncertainties and other factors that could cause actual results or achievements to differ materially from those expressed or implied by the forward-looking statements. These risks and certain other factors include, without limitation: risks related to general business, economic, competitive, geopolitical and social uncertainties; uncertainties regarding the results of current exploration activities; uncertainties in the progress and timing of development activities; foreign operations risks; other risks inherent in the mining industry and other risks described in the management discussion and analysis of the Company and the technical reports on the Company's projects, all of which are available under the profile of the Company on SEDAR at www.sedar.com. Material factors and assumptions used to develop forward-looking statements in this news release include: expectations regarding the estimated cash cost per ounce of gold production and the estimated cash flows which may be generated from the operations, general economic factors and other factors that may be beyond the control of Monument; assumptions and expectations regarding the results of exploration on the Company's projects; assumptions regarding the future price of gold of other minerals; the timing and amount of estimated future production; the expected timing and results of development and exploration activities; costs of future activities; capital and operating expenditures; success of exploration activities; mining or processing issues; exchange rates; and all of the factors and assumptions described in the management discussion and analysis of the Company and the technical reports on the Company's projects, all of which are available under the profile of the Company on SEDAR at www.sedar.com. Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. The Company does not undertake to update any forward-looking statements, except in accordance with applicable securities laws.
We will have the participation of world-class experts, who, together with those responsible for Concentrator Plants, Research Centers and Suppliers will discuss fundamental and technological aspects and share operational experiences with best practices in Flotation.
- Minerals in flotation (Sulphide and gangue mineralogy). - Air in flotation. - Water in flotation, water recovery strategy of tailings. - Flotation reagents (Collectors, foamings, modifiers, activators, lime, CMC).
- Grinding and regrinding for liberation (SAG and Balls Mills) - Regrinding of intermediate flotation products (foams scavenger plus tailings from first cleaning) - Tailings regrinding, rougher bulk flotation - Foams regrinding (IsaMill, Verti Mill, SMD) - pH control - Cyclones and classification - Conditioners - Rougher flotation cells (Type of foams discharge gutters) - Cleaning cells (Column and Jameson) - Slurry level controller. - Big Cells. - Pneumatic Cells.
- Online chemical grades analyzer, setting strategy - Online particle size analyzer, setting strategy - Expert in primary and secondary grinding - Expert in classification with cyclone clusters (sensors) - Video cameras and flotation control - Reagents dosage strategy in automatic - Metallurgical research with experimental design - Optical and scanning microscopy for flotation - Statistics for data management in the flotation process control.
If you or your company is interested in presenting technical papers, submit an abstract (250-300 words) with the scopes of your research to: [email protected], which will be checked by the organization.