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AZMETtechnology & projects

AZMET

AZMET PROJECT FACT SHEETS

SUNRIDGE 1

ETI BAKIR - A.S. CENGIZ HOLDING 2

AMC - (ARIAB MINING COMPANY) 3

LYDIAN INTERNATIONAL 4

EZANA MINING DEVELOPMENT 5

BARRICK GOLD CORPORATION 6


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1tel +27 86 11AZMET (29638) fax +27 86 628 5610 email [email protected] | [email protected] web www.azmet.co.za

SUNRIDGE

OPTIMISATION OF ASMARA FEASIBILITY

STUDY, ERITREA

>> ClientSunridge Gold Corp, Asmara

Feasibility Study

>> LocationEritrea

>> Project Classification

Optimisation & Trade-off

>> Key Project DataCyanide Leaching &

Recovery Study

Mineral: Copper, Gold, Silver

Trade-off studies on Cu_CN recovery from solution

>> Year2014 - 2015

>> PROJECT INFORMATION

BackgroundSunridge Gold requires a feasibility optimisation study on the existing feasibility heap leach design for improvement to capital and operating costs. The purpose of the study is to addresses the following needs:

» Reduce CAPEX;

» Reduce OPEX;

» Improve the overall project financial viability by considering other process solutions;

» Consider CIL versus HL;

» Consider Co-leaching of copper with gold to save on the mining & processing costs;

» Evaluate different cyanide and copper recovery process routes.

ServicesAZMET was appointed for the process design and testwork management for the optimasation study. The scope of work included the following:

» Conduct a trade-off study between CIL and HL for the gold and silver recovery;

» Evaluate Co-leaching of copper with gold to save on mining and processing costs;

» Prepare the testwork procedures and manage the metallurgical lab to:

• Evaluate different cyanide and copper recovery processes;

» Plant OPEX;

» Plant CAPEX;

» Process Plant Financial Model.


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DESIGN & SUPPLY OF

THE GOLD (DR) DESORPTION, RECOVERY & REAGENTS,

TURKEY

>> ClientEti Bakir

A.S Cengiz Holding Mazidagi Phosphate Plant

>> LocationMazidagi, Turkey


Design & Supply

>> Key Project DataGold DR – Desorption,

Recovery & Reagent Systems for The 3.75

Ktpa CIP Plant

Mineral: Gold & Silver

>> Year2016 - 2018


BackgroundEti Bakir A.S. Holding completed the 3.75Ktpa CIP Leach Project, which form part of the overall Mazidagi Phosphate Plant. The project included a 2tpd Carbon DR circuit (Desorption & Recovery with associated reagents) to recover gold and silver from the CIP Leach solution.

ServicesAZMET was appointed for the design and supply of the DR and Reagent systems. The scope of work included the following containerised/modular units:

» Loaded Carbon Handling;

» Acid Wash, HCl Make-up & Dosing

» Zadra Elution;

» Goldroom Design & Equipment supply;

» EW Ammonia & Mercury scrubbing system;

» Mercury Retort Furnace with scrubbing system

» Carbon Regeneration with Mercury scrubbing system;

» Caustic Make-up & Storage;

» Cyanide Make-up & Dosing;

» Lime Make-up & Dosing;

» SMBS Make-up & Dosing (DETOX reagents);

» Copper Sulphate Make-up & Dosing (DETOX reagents);

ETI BAKIR A.S. CENGIZ HOLDING


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DESIGN & SUPPLY OF

THE GOLD (DR) DESORPTION & RECOVERY,

SUDAN

>> ClientAMC

Hassai Gold Plant

>> LocationSudan


Design & Supply

>> Key Project DataGold DR – Desorption, Recovery Systems for

CIL Plant


>> Year2018 - 2019


BackgroundAMC is proceeding with the 3.75Ktpa CIL Project. The project included a 4tpd Carbon DR circuit (Desorption & Recovery with associated reagents) to recover gold and silver from the CIL Circuit.

ServicesAZMET was appointed for the design and supply of the DR Plant and Reagent systems. The scope of work included the following containerised units:


» Acid Wash, HCl Make-up & Dosing

» Split AARL Elution;

» Goldroom & Equipment supply;

» Zinc Precipitation (Merrill-Crowe);

» Mercury Retort Furnace with scrubbing system

» Carbon Regeneration with Mercury scrubbing system.

AMC (ARIAB MINING COMPANY)

Constructed

Designed


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DESIGN & SUPPLY OF THE HL (ADR)

ADSORPTION, DESORPTION,

RECOVERY & REAGENTS,

ARMENIA

>> ClientLydian International, Amulsar

Heap Leach Project

>> LocationArmenia


Design & Supply

>> Key Project Data10.5 Mtpa HL plantADR – Adsorption,

Desorption, Recovery & Reagent Systems

Mineral: Gold & SilverPatented Adsorption with

Bubble plates (AZ-BPP)

>> Year2017 - 2018


BackgroundLydian International is proceeding with the 10.5Mtpa Amulsar Heap Leach Project. The project will make use of a 8tpd Carbon ADR circuit (Adsorption, Desorption & Recovery with associated reagents) to recovery the gold and silver from the leach solution.

ServicesAZMET was appointed for the design and supply of the ADR and reagent systems. The scope of work included the following:

» Bolted tank design for quick installation;

» Flared Carbon in Solution columns (CIS/CIC) with the AZMET patented bubble pipe plate (AZ-BPP) design to provide even flow distribution with minimal pressure drop over a wide range of flows (285 - 1100m³/h);

» Acid Wash (Containerised);

» AARL Elution (Containerised);

» Zinc Precipitation (Merrill-Crowe) & Goldroom Equipment;

» Carbon Regeneration with fine carbon removal system;

» Containerised Caustic Reagent systems;

» Cyanide Make-up & Dosing;

» Caustic Make-up & Dosing;

» HCl Make-up & Dosing.

LYDIAN INTERNATIONAL

Constructed

ADR Plant

Designed


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DESIGN & SUPPLY OF

THE GOLD (DR) DESORPTION, RECOVERY & REAGENTS,

ETHIOPIA

>> ClientEzana Mining Development

Meli Gold Plant

>> LocationTigray in Ethiopia


Design & Supply

>> Key Project DataGold DR – Desorption,

Recovery & Reagent Systems for The 2.75 Ktpa CIL Plant


>> Year2015 - 2017


BackgroundEzana Mining Development completed the 2.75Ktpa Meli Gold Plant Project. The project included a 2tpd Carbon DR circuit (Desorption & Recovery with associated reagents) to recover gold and silver from the CIL Leach solution.

ServicesAZMET was appointed for the design and supply of the DR and Reagent systems. The scope of work included the following containerised units:


» Acid Wash:

» HCl Make-up & Dosing

» Zadra Elution;

» Goldroom & Equipment supply:

• EW, • Drying Oven

• Smelting Furnace;

» Caustic Make-up & Storage;

EZANA MINING DEVELOPMENT


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SMPPE BROWNFIELDS QUATERNARY

CRUSHING,TONGON GOLD

PLANT IN IVORY COAST

>> ClientRandgold Resources

(BARRICK)Tongon Gold Plant

>> LocationIvory Coast

>> Project ClassificationSMPPE Brownfields

>> Key Project DataQuaternary Crushing

Systems for The 3.6 Mtpa CIL Plant


>> Year2015 - 2016


BackgroundRandgold Resources (BARRICK) completed the Quaternary Crushing Project. The project included a fourth stage crushing system to reduce the mill feed size to improve plant throughput when mining harder sulphide ores.

ServicesAZMET was appointed for the supply & installation of all steelwork, mechanical equipment, platework, piping & electrical equipment of the Quaternary Crushing System. The scope of work included the following equipment:

» 350t Structural Steel & Plate Work

» Cone Crushers;

» New Conveyor Belting & Chutes;

» Extend existing conveyor to feed new crushing circuit

» 300t Feed Bin

» Fines Removal Screens

» Slurry Pumps

» Piping & Valves

» Cabling & Racking

» MCC & PLC

BARRICK GOLD CORPORATION

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