Process Engineers - Who We Are Brochure PDF Services PDF Process Engineers & Equipment Corporation is a family-owned business which specializes in sand classification and dewatering, fine sand recovery, water clarification, and sludge dewatering systems. These systems are designed to recover salable products while reducing operating costs by eliminating costly tailings ponds. We have manufacturing facilities in Spokane and Wisconsin and have installed equipment in more than 100 plants throughout the United States, providing packaged systems with overall system responsibility, complete engineering and field services, along with turn key installation. We manufacture our own high rate thickener style clarifiers and 6 roll belt filter presses and also provide parts, technical services, chemicals, and service options. In addition, we typically use FLSmidth cyclones, GIW slurry pumps, Tsurumi submersible pumps, Tabor dewatering screens, and plate presses from TPH. We differentiate ourselves from others by providing personal service throughout the United States. In business since 1993, our team of dedicated employees, which has a combined industry service of over 100 years, will do whatever it takes to deliver quality products in a timely manner. We have a complete in-house wet lab to provide free analysis for your application. These tests also allow us to provide you with flow diagrams, detailed performance projections, and pay-back studies. We specialize in: Slurry and water pumping systems High capacity water clarifiers; up to 100' diameter and 23,000 gpm Design and installation of sand recovery classification, and dewatering systems Design and manufacture of structural supports Pre-plumbed and skid mounted polymer delivery systems Automated systems On-site testing Frac sand systems with up to 1,000 tph capacity Mobile water treatment systems