Patents

9,499,756 Roll press
9,340,849 Systems and methods for metal recovery
9,187,803 Systems and methods for improved metal recovery using ammonia leaching
9,175,366 Systems and methods for improved metal recovery using ammonia leaching
9,102,999 Methods of recovering scandium from titanium residue streams
8,114,365 Silica removal from pregnant leach solutions
8,012,318 Process for multiple stage direct electrowinning of copper
8,003,064 Controlled copper leach recovery circuit
7,913,939 Method to transform bulk material
7,824,633 System and method for conversion of molybdenite to one or more molybdenum oxides
7,736,488 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
7,736,487 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solution extraction
7,722,756 Process for multiple stage direct electrowinning of copper
7,691,347 Silica removal from pregnant leach solutions
7,666,371 Method for recovering metal values from metal-containing materials using high temperature pressure leaching
7,517,384 Method for improving metals recovery using high temperature pressure leaching
7,485,216 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent

Technical Papers

Scaleup Issues From Bench to Pilot
Integrated Forest Biorefineries: Product-Based Economic Factors
Solid–Liquid Separations in Pilot- and Commercial- Scale Operations

Pages