Finishing oil seeds of the flax plant, already extensively grown for the production of linen. The raw oil may be used, but it cures poorly and leaves a sticky surface. Normally boiled linseed oil is used. This has been prepared beforehand by boiling with lead, in the form of lead oxide, or with manganese salts. Modern boiled oils use a lead-free metallic drier added cold, such as cobalt resinate. Old linseed oil finishes yellow with age, owing to oxidation with the air. Linseed oil was also widely used for the production of oilcloth, a waterproof covering and rainwear material, formed by coating
Metro Fuel Oil Energy plans to process 100% renewable biodiesel which can be blended with heating oil or diesel fuel. The plant will employ technology that will enable United Metro Energy to capture and utilize waste generated by the process. The plant is scheduled to open in Third Quarter 2012. United Metro Energy was founded in 1942 when Pauline Pullo recognized that home heating oil was a cleaner, more efficient alternative to coal in the heating fuel market. United Metro Energy remained a relatively modest retail operation until, in the late 1970s, when Paul J. and Gene V. Pullo, Pauline’s grandsons, took over