Machinery & Equipment Company (M&E) offers used mineral injectors for accurately dosing reagents, chemicals, and process solutions into mineral processing and metallurgical operations. These systems are commonly used in flotation, leaching, pH control, cyanide addition, flocculant dosing, frother injection, and other process applications where precise chemical addition is critical to maximizing recovery and maintaining process efficiency. Available equipment may include reagent injection systems, chemical dosing skids, metering pump assemblies, injection lances, and automated chemical feed systems. Our inventory may feature equipment from leading manufacturers such as Milton Roy, ProMinent, Pulsafeeder, Grundfos, LMI, Blue-White Industries, and other recognized process equipment suppliers. Contact M&E to review current availability or to source a used mineral injector that meets your flow rate, dosing accuracy, and process requirements.