Natasha Glipu

• Job descriptions are the same as that for the role of Plant Metallurgist at Newcrest Mining. Transfer of companies from Newcrest Mining to Newmont Mining Corporation.

• Monitors process performance in Mine to Mill Blending and Crushing, Grinding, Froth Flotation, Thickening, Flotation Leach Recovery, Pressure oxidation and Carbon in Leach and Electro-winning circuits to maximise production by inspecting equipment and process flows, reviewing operator log sheets, analyzing metallurgical databases and Pi trends to identify process disturbances and deviations from budget and weekly planned target.
• Providing operational guidance and technical support to Operations Team to achieve budget targets.
• Liaise with Mine team on daily and weekly basis to manage plant feed at required blend and feed size expected against plan.
• Coordinate plant trial of new reagents against incumbent
• Calibrated and verified accuracy of density meters and cyanide analysers.
• Operate CIL circuit to Cyanide Code Standards
• Produce Technical report - Plant Trials, KPI reporting, Root cause Analysis and equipment inspection reports.
• Plan and drive plant surveys
• Consistently seek cost cutting opportunities on plant consumables usage.
• Produce daily and Monthly Metal Accounting Reconciliation and reporting
• Run Production Weekly Planning and Presentation to business leaders for sign off.
• Producing reagent reconciliation reports on weekly and monthly basis.
• Guide and train Graduates and field operators
• Environmental accountabilities include, responsible of being aware of environmental license to operate and respond appropriately to all losses of containment within Process Plant. Documenting Environmental Incident in safety systems

PROJECTS

• Part of Metallurgy team that recommended and changed Incumbent flocculant to new flocculant that proved to outperform incumbent floc. by 2.5% increased density and subsequently projected 97 additional ounces per day
• Modeled alternate way of measuring Potassium Amyl Xanthate (PAX) strength for operator or Metallurgist field checks of flotation circuit
• Part of Team for Metal Accounting new system HONEYWELL PAR GO LIVE that ensured transition of old system JKMET to new system was smooth.
• Involved during the commissioning phase of Model Predictive Controller (MPC) for Lihir Flotation circuit
• Currently working on plant trialling an alternate cyanide dosing strategy based on total gold into plant and last CIL tank WAD cyanide concentration. Intention is to automate a dynamic cyanide set point in the control block paired with cost saving and environmental safety optimisation.

• Gained extensive knowledge at operator level in all unit operations of plant. That included, Crushing, Grinding, Flotation, Pressure Oxidation and Leaching. Rotated to Metallurgy Lab and acquired Metallurgical Laboratory skills as part of Graduate Program.
• Developed and maintained courteous and effective working relationships with operators.
• Acted as team leader in delegating tasks and providing feedback to operators.
• Provided professional practical services and support in dynamic work environment. Particularly, conducting relevant test works to trouble shoot constraints, establish plant basis data for Geo-Metallurgy purposes and reporting to Metallurgist.
• Carry out plant surveys and reporting results to Plant Metallurgist
• Carry out Metal Accounting Reconciliation and reporting on Daily Basis

PROJECTS

• Established site based Geo-Metallurgy data for Stockpile Material through sequential lab test-work.

Carrying out Metallurgical Lab based test works on daily, weekly, and monthly basis to support the production Metallurgist with their technical guidance to operations. Some of the test works done included:

• Daily Sizing on 12hourly plant composite samples
• Daily flotation test and reporting to plant metallurgist
• Bottle roll leach on CIL feed and Flotation Leach Feed samples
• End of Month Diagnostic leach Test
• Settling Test
• Geo-metallurgy test works
• Solid SG tests
• Carbon activity test
• pH and DO portable meter calibration.
• Monthly compositing and testing
• Chemical Stock solution make up and storing.
• Conducted GIC surveys and produce reports to Metallurgist for Gold Accounting purpose.