Mineral processing and analytical equipment
Overview

The Minerals Research Laboratory (MRL's) state-of-the-art facility is equipped with mineral processing equipment and an analytical support facility for flexible batch and continuous pilot plant research. The following images provide an overview of MRL's equipment and analytical capabilities facilities.

Equipment and applications

Pilot plant studies  
High-efficiency hydraulic separator for mineral concentration, desliming and particle size separation
Heavy sands spiral used to separate minerals by gravity concentration
Pilot plant flotation cell showing details of feldspar concentration is froth
Laboratory high bay area for pilot plant studies
Vibrating concentrating table (continuous pilot plant or batch studies) for gravity separation of minerals
Horizontal belt filter for dewatering materials in pilot plant studies
High-efficiency fine powder (-10 micron) air classifier for pilot plant or batch studies
High-speed vibrating screen for pilot plant studies
Surface area measurement unit for fine powder materials in mineral characterization
Bond grindability unit to determine hardness and grinding characteristics of ores
View of mineral characterization laboratory at the Minerals Research Laboratory
Automatic controlled continuous ore feeder for pilot plant studies
Variable speed constant flow reagent feeders for pilot plant studies
Ball mill for ore grinding in pilot plant studies
Sedigraph for determining particle size distribution of very fine powders in mineral characterization
Stainless steel steam tube dryer for pilot plant studies where material contamination and controlled temperatures are required
Bench laboratory testing  
Laboratory jaw crusher for breaking up large ore particles
Bulk density instrument primarily for measurement of industrial minerals
Column flotation for pilot plant testing
Pilot plant cyclone for continuous testing
Separation of minerals by specific gravity using heavy liquids
Kiln and dryer for continuous pilot plant studies
Bench testing flotation cell for separation of minerals 
Quality control in mineral beneficiation studies
High-intensity dry permanent magnetic separator for mineral characterization and mineral concentration
Stainless steel steam tube dryer for continuous testing without contamination
Laboratory batch type scrubber
High-efficiency fine powder (-10 micron) air classifier for pilot plant or batch studies
High intensity dry magnetic (Franz) separator for mineralogical characterization
Vibrating concentrating table (continuous pilot plant or batch studies) for gravity separation of minerals
Gold4 - Gemini table for separation of minerals by gravity
Mineral characterization  
Surface area measurement unit for fine powder materials in mineral characterization
Bond grindability unit to determine hardness and grinding characteristics of ores
View of mineral characterization laboratory at the Minerals Research Laboratory
Sedigraph for determining particle size distribution of very fine powders in mineral characterization
Bulk density instrument primarily for measurement of industrial minerals
Separation of minerals by specific gravity using heavy liquids
Quality control in mineral beneficiation studies.

Minerals Research Laboratory  . North Carolina State University . 180 Coxe Avenue, NC USA  28801
E-mail: Robert Carland . Telephone 828.251.6155 . Facsimile 828.251.6381 . Internet www.engr.ncsu.edu/mrl