Boart Longyear Longyear, which eventually became Boart Longyear. He drilled his first diamond drill core hole in 1890 in northern Minnesota. Longyear's company developed the wire-line retrieved Q core barrel. Longyear was inducted into the National Mining Hall of Fame in Leadville, Colo in 1990. On March 1, 2016, Mr. Jeffrey Olsen was appointed President and Chief Executive Officer of Boart Longyear. He joined the company as the Chief Financial Officer in March 2014. Boart Longyear conducts contract drilling services in more than 40 countries, and provides mining products to customers in over 100 countries. Boart Longyear Boart Longyear is a global
Industrial wastewater treatment what types of wastewater is generated and what type of treatment is required. Reducing solids such as waste product, organic materials, and sand is often a goal of industrial wastewater treatment. Some common ways to reduce solids include primary sedimentation (clarification), Dissolved Air Flotation or (DAF), belt filtration (microscreening), and drum screening. The effective removal of oils and grease is dependent on the characteristics of the oil in terms of its suspension state and droplet size, which will in turn affect the choice of separator technology. Oil in industrial waste water may be free light oil, heavy oil, which tends