Precious-Metals-Refining-A-Pathway-to-a-Sustainable-Future-AR25.pdf

1、Samuel HoGroup Head of Precious Metals Management at ABC RefineryPrecious Metals Refining:A Pathway To A Sustainable FutureWHAT IS SUSTAINABILITY?Waste GenerationEnergy ConsumptionCarbon&Water FootprintEnvironmentalEthical SourcingAnti-Corruption PoliciesSustainability ReportingGovernanceEmployee We

2、ll-beingCommunity EngagementHealth&Safety StandardsSocialCARBON FOOTPRINTTotal greenhouse gas emissions caused directly or indirectly by a companyMeasured in tonnes of carbon dioxide equivalents(CO2e)Gold industry emissions estimated to be 126 million tonnes CO2e in 201753.8 billion tonnes of CO2e w

3、ere emitted globally in 2023Australias net zero emissions target by 2050HOW DO WE QUANTIFY?SCOPEONESCOPETWOSCOPETHREEEmissions from sources owned or controlled by the companyDirect EmissionsEmissions generated by purchasing electricity consumed by the companyIndirectEmissionsAll other emissions gene

4、rated from sources not owned or controlled by the companyIndirectEmissions99%METHODS FOR REDUCING CARBON FOOTPRINTReview and optimise existing processesReduce consumable and chemical usageUtilising renewable energy sourcesImproving energy efficiencyReducing wasteSupport green technologies and sustai

5、nable practicesSTORY AS REFINERSRefining methods are similar for most refiners globallyRefining precious metals relies heavily on chemicalsAqua Regia,Miller Process(Chlorination),Electrolytic Gold RefiningChemical usage contributes to the carbon footprint and waste generationPROCESS OVERVIEW-TRADITI

6、ONALMiller Process(Chlorination):Flexible Can deal with a wide range of impuritiesScalability Easily expandable with equipment changesEfficient More chlorine means more reactionForms chloride byproducts-Requiring further chemical treatment-Generates additional