Business
Denison Announces 97% Recovery from Long-Term Phoenix ISR Core Leach Test
Denison Announces 97% Recovery from Long-Term Phoenix ISR Core Leach Test Canada NewsWi...
About this update from Denison Mines Corp.
[{"type":"text","content":"\n \n \n \n Denison Announces 97% Recovery from Long-Term Phoenix ISR Core Leach Test\n \n \n /* Style Definitions */\nspan.prnews_span\n{\nfont-size:8pt;\nfont-family:\"Arial\";\ncolor:black;\n}\na.prnews_a\n{\ncolor:blue;\n}\nli.prnews_li\n{\nfont-size:8pt;\nfont-family:\"Arial\";\ncolor:black;\n}\np.prnews_p\n{\nfont-size:0.62em;\nfont-family:\"Arial\";\ncolor:black;\nmargin:0in;\n}\n \n \n \n \n \n \n Canada NewsWire\n \n \n \n \n \n \n \n \n \n \n \n \n \n TORONTO\n \n \n ,\n \n \n Dec. 8, 2022\n \n \n /CNW/ -\n \n Denison Mines Corp.\n \n (\"Denison\" or the \"Company\") (TSX: DML) (NYSE American: DNN) is pleased to announce highly successful results from long-term core leach metallurgical testing completed to further support the Feasibility Study (\"FS\") underway for the Phoenix In-Situ Recovery (\"ISR\") uranium mining operation proposed for the Company's 95% owned Wheeler River project (\"Wheeler River\" or the \"Project\").\n \n View PDF Version\n \n \n \n To support the establishment of ISR production and recovery curves to be used in the FS, the Company completed a long-term test of a representative intact core sample (\"Core 4A\") using specialized equipment to replicate the in-situ leaching conditions of the\n \n Phoenix\n \n deposit.\n \n \n The results from long-term core leach testing of Core 4A are highlighted by the following:\n \n \n \n Overall recovery of uranium in excess of 97% – demonstrating excellent recovery of uranium from intact high-grade core, without the use of permeability enhancement.\n \n \n \n \n Average recovered solution uranium head grade of 18.3 grams per litre (\"g/L\") – exceeding the assumed 15 g/L uranium head grade being used in FS plant designs (see news release dated\n \n August 4, 2021\n \n ).\n \n \n \n \n Continuous intact core leach testing over a period of 377 days, with uranium recovery head grades consistently maintained above 5 g/L during the final stages of the production curve and then declining during the ramp-down stage.\n \n \n \n \n Maximum recovered solution uranium head grade of 49.8 g/L achieved using similar lixiviant concentrations as to those used during the Feasibility Field Test (\"FFT\").\n \n \n \n \n Kevin Himbeault\n \n , Denison's Vice President of Plant Operations & Regulatory Affairs, commented,\n \n \n \"\n \n...