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Newlox R&D Achieves Up To 100% Gold Recovery Using Organic Aqua Regia
Figure 1. Organic Aqua Regia Samples Vancouver, BC - TheNewswire - 12 January 2021 – Newlox Gold Ventures Corp. (“Newlox” or the “Company”) (CSE:LUX) (CNSX:LUX.
About this update from Newlox Gold Ventures Corp.
[{"type":"text","content":"Figure 1. Organic Aqua Regia Samples Vancouver, BC - TheNewswire - 12 January 2021 – Newlox Gold Ventures Corp. (“Newlox” or the “Company”) (CSE:LUX) (CNSX:LUX.CN) (Frankfurt/Stuttgart: NGO) is pleased to announce that its affiliate Newlox Research and Development Corp. has reported excellent results from Stage 1 testing of the new Organic Aqua Regia (OAR) gold leaching technology. Final analysis of results from Stage 1 testing indicates not only is a gold recovery of 94.68% achieved at ambient temperature, but also a 100% recovery is achieved at 80 degrees Celsius. The Company is investigating the use of Organic Aqua Regia (OAR) technology as a non-toxic and water-free alternative to cyanidation to produce both gold and other precious metals. Newlox R&D is developing OAR in conjunction with the University of British Columbia in Canada and Chiba University in Japan to leach gold with this reagent, that is both non-toxic and which is widely used in other industries. The main advantages include that it is non-toxic, is recyclable, extracts gold faster than cyanide, does not use water, and does not require carbon or electrowinning. The Company undertook Stage 1 testing on a high-grade gold ore grading an average of 48.87 grams gold per tonne. The ore was ground in a BICO mill to reach a 80% of the material below a grain size of 0.12 mm (P80 -0.12mm) before leaching with OAR. Newlox’s research team utilized the Yates model in 16 experiments to investigate several combinations of reagent dosage and leaching time. Newlox R&D Corp. undertook leaching tests in Vancouver, with the gold dissolution in the OAR calculated based on the gold grade in residues obtained after filtration. A third-party metallurgical laboratory (Global Mineral Resources) in Burnaby, BC, was used to verify the results using aqua regia digestion and Atomic Absorption Spectroscopy (AAS). Figure 2. Gold Leaching Results The R&D team used the Yates testing protocol to modify various factors during testing and evaluate their effects and relevant interactions. The Yates protocol identified the most significant factors in overall gold recovery. Most encouragingly was the feature that all samples returning over 90% recovery during Stage 1 testing had reagent dosage commonalities, indicating a clear route forward for Stage 2 testing. Parallel testing was ...