Porbeck Engineering has a long history in the ore processing industry, including the alumina and rock quarry roofing granule sectors. We are familiar with the challenges associated with bulk handling of highly abrasive materials and slurries. Through our many projects we have dealt with the various equipment commonly associated with this industry; including bulk handling equipment, crushers, screening, conveyors, rotary kilns and coolers, converters, dust collection, filters, etc. PEC maintains the required safety certification for the MSHA regulated facilities we serve.