Ore Sorting

Brent Hilscher leads our ore sorting projects.  With more than 20 years in mining, Brent is a global leader in ore sorting with over 50 projects in the last 5 years, published papers, articles, editorials, and video interviews.  He has been a speaker at over a dozen conferences and universities around the world.


Project Optimization

Simultaneous optimization across a project flowsheet has been shown to elevate project economics beyond the capabilities of engineering design alone. Our proprietary software has afforded clients up to 40% in NPV improvements.

Team Meeting

43-101 Reporting

Whether you are doing your first PEA or updating your economics, we and our partners can handle everything from geology to processing.

Metal Forming

Precious Metal Processing

As precious metal deposit grades continue to drop, effective engineering design and technological innovation will be required. ABH's experience with precious metal deposits goes hand in hand with our ore sorting expertise, adding tremendous value to our design methods.

metal rods

Base Metal


With the ongoing shift to renewable energy sources and increase in consumer electronics demand comes an ever-growing demand for base metals such as copper, lithium, and zinc. ABH's experience in the design and review of base metal operations ensures maximum rate of return for your project.