A process called SART (Sulphidization–Acidification–Recycle– Thickening translation - A process called SART (Sulphidization–Acidification–Recycle– Thickening Vietnamese how to say

A process called SART (Sulphidizati

A process called SART (Sulphidization–Acidification–Recycle– Thickening) that was developed by Lakefield and Tech in Canada in early 2000s uses a reagent such as sodium hydrosulphide (NaHS) to precipitate copper and zinc as sulphides and convert cyanide to HCN (Alta Metallurgical Services, Australia, 2012). The and recycled back to the leaching process to re-use the cyanide. Telfer Gold Mine in a remote location of Western Australia investigated SART as a cost-effective process to recover copper and cyanide (SGS Technical Bulletin, 2001). At the mine, the oxide gold ore was treated in a conventional CIL circuit by blending the low and high grade copper ores to minimize cyanide consumption and allow smooth operation. The sulphide ore was treated through a flotation circuit to produce pyrite and copper concentrates. Because of economical and environmental reasons, it was desirable to reduce the amount of cyanide reporting to the tailings pond. The resulting slurry, containing copper as copper sulphide precipitate and cyanide as HCN in solution, was fed to the SART thickener where they were separated. The process involved in sulphidization and acidification reactions was presented below:




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A process called SART (Sulphidization–Acidification–Recycle– Thickening) that was developed by Lakefield and Tech in Canada in early 2000s uses a reagent such as sodium hydrosulphide (NaHS) to precipitate copper and zinc as sulphides and convert cyanide to HCN (Alta Metallurgical Services, Australia, 2012). The and recycled back to the leaching process to re-use the cyanide. Telfer Gold Mine in a remote location of Western Australia investigated SART as a cost-effective process to recover copper and cyanide (SGS Technical Bulletin, 2001). At the mine, the oxide gold ore was treated in a conventional CIL circuit by blending the low and high grade copper ores to minimize cyanide consumption and allow smooth operation. The sulphide ore was treated through a flotation circuit to produce pyrite and copper concentrates. Because of economical and environmental reasons, it was desirable to reduce the amount of cyanide reporting to the tailings pond. The resulting slurry, containing copper as copper sulphide precipitate and cyanide as HCN in solution, was fed to the SART thickener where they were separated. The process involved in sulphidization and acidification reactions was presented below:
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Một quá trình được gọi là SAR (Sulphidization-Acidi fi cation Recycle- Thickening) được phát triển bởi Hồ fi lĩnh và công nghệ ở Canada vào đầu những năm 2000 sử dụng một thuốc thử như natri hydrosulphide (NaHS) để kết tủa đồng và kẽm như sulfua và chuyển đổi cyanide để HCN (Alta luyện kim Dịch vụ, Úc, 2012). Và tái chế lại để quá trình lọc để tái sử dụng xyanua. Telfer mỏ vàng ở một vị trí xa xôi của Tây Úc điều tra SART như một quá trình hiệu quả chi phí để thu hồi đồng và xyanua (SGS tin kỹ thuật, 2001). Tại mỏ, quặng oxit vàng đã được điều trị tại một mạch CIL thông thường bằng cách pha trộn các loại quặng đồng cấp thấp và cao để giảm thiểu tiêu thụ xyanua và cho phép hoạt động trơn tru. Các quặng sunfua được xử lý thông qua một mạch fl otation để sản xuất pyrit và đồng cô đặc. Bởi vì lý do kinh tế và môi trường, đó là mong muốn để giảm lượng xyanua báo cáo với chất thải ao nuôi. Bùn kết quả, có chứa đồng như kết tủa sunfua đồng và xyanua như HCN trong dung dịch, được nuôi để làm đặc SART nơi họ bị tách ra. Quá trình tham gia vào sulphidization và acidi fi cation phản ứng đã được trình bày dưới đây:




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