Selective Flotation Collector YX091 for High Recovery of Silver Copper Gold with

Collector YX091 is a high-performance thionocarbamate-based flotation reagent purpose-formulated for the selective recovery of silver, copper, and gold from complex polymetallic sulfide ores. Developed through extensive metallurgical research at our Beijing R&D center, this collector addresses the critical challenge faced by Mexican and Latin American mining operations: achieving high silver and gold recovery rates while minimizing unwanted pyrite and sphalerite activation that degrades concentrate grade. The unique molecular structure combines thionocarbamate functional groups for copper sulfide affinity with phosphorodithioate salt components that specifically target silver-bearing minerals including argentite, pyrargyrite, and native silver associations. At the recommended dosage of 30 to 150 grams per ton of ore, YX091 consistently delivers concentrate grades 15 to 25 percent higher than conventional xanthate-based collectors used in comparable circuits.

• Enhanced Silver Recovery: The phosphorodithioate active component demonstrates exceptional affinity for silver-bearing sulfide minerals, achieving silver recovery improvements of 5 to 12 percent over standard SIPX/SIBX collectors in plant-scale comparative trials at polymetallic operations processing Ag-Pb-Zn-Cu ores. This is particularly valuable for Mexican silver mines where every percentage point of recovery directly impacts project economics.
• Superior Selectivity Against Pyrite: Unlike xanthate collectors that indiscriminately float both valuable minerals and iron sulfides, YX091 exhibits weak collecting power toward pyrite and pyrrhotite, enabling production of cleaner concentrates with reduced iron penalty elements and lower smelter deduction charges.
• Low Dosage High Efficiency: Effective at dosage rates 30 to 40 percent lower than conventional collectors, YX091 reduces reagent inventory costs and simplifies circuit control. The collector displays strong collecting power even at concentrations as low as 20 grams per ton in rougher flotation stages.
• Inherent Frothing Property: YX091 possesses moderate frothing characteristics that reduce or eliminate supplementary frother consumption. This self-frothing behavior simplifies reagent management and provides more stable froth phase control throughout the flotation circuit.
• Broad pH Compatibility: Stable and effective across a pH range of 8 to 12, the collector performs reliably in both lime-alkaline and soda ash circuits without degradation or selectivity loss, accommodating the diverse process conditions found across different mine sites.
• Proven In Polymetallic Circuits: Extensively validated in copper-molybdenum separation, copper-zinc selective flotation, and gold-silver bulk sulfide recovery circuits across operations in Mexico, Chile, and Peru, with documented metallurgical performance records available upon request.

YX091 is purpose-designed for polymetallic sulfide flotation circuits processing silver-rich ores, copper-gold porphyry deposits, and complex Cu-Zn-Pb-Ag massive sulfide orebodies. In Mexican mining districts such as Fresnillo, Zacatecas, and Sonora, the collector has demonstrated superior metallurgical performance in selective flotation of silver and gold from pyrite-rich gangue, achieving higher concentrate grades and improved precious metal payment terms from smelters. It is also highly effective in copper-molybdenum separation circuits where depression of copper sulfides is required while maintaining molybdenum recovery. For gold operations processing auriferous pyrite ores, YX091 can be blended with small quantities of xanthate collectors to optimize the gold recovery versus grade trade-off according to site-specific mineralogy and economic requirements.

YX091 is supplied in UN-approved 1000-kilogram IBC drums with tamper-evident seals and integrated dispensing valves for safe, convenient dosing. Alternative 200-kilogram steel drum packaging is available for smaller operations. Each production batch undergoes rigorous quality control testing including active component assay by HPLC, flotation performance verification against reference ores, and stability testing under accelerated aging conditions. Certificates of Analysis accompany each shipment. The product is manufactured under ISO9001:2000 certified quality management systems at our Shandong chemical facility, which features fully automated production control to ensure batch-to-batch consistency. Technical support including laboratory flotation testwork, plant trial protocols, and on-site process optimization is available from our metallurgical engineering team.