refining slag
51List of Superfund sites in Utah — This is a list of Superfund sites in Utah designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection… …
52South Chicago, Chicago — South Chicago, formerly known as Ainsworth, is one of the 77 well defined community areas of the city of Chicago, Illinois.This chevron shaped community is one of Chicago s 16 lakefront neighborhoods near the southern rim of Lake Michigan 10… …
53De re metallica —   Title page of 1556 edition …
54flux — /fluks/, n. 1. a flowing or flow. 2. the flowing in of the tide. 3. continuous change, passage, or movement: His political views are in a state of flux. 4. Physics. a. the rate of flow of fluid, particles, or energy. b. a quantity expressing the… …
55Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
56Continuous production — Part of a series of articles on Industry Manufacturing methods Batch production • Job production Continuous production Impro …
57Zinc smelting — is the process of converting zinc concentrates (ores that contain zinc) into pure zinc. The most common zinc concentrate processed is zinc sulfide,Citation | title = Compilation of Air Pollutant Emission Factors | publisher = U.S. Environmental… …
58basic oxygen process — a high speed method of steelmaking in which oxygen of high purity is blown through an oxygen lance at high velocity onto the surface of a bath containing steel scrap and molten pig iron within a vessel with a basic lining (basic oxygen furnace).… …
59thorium processing — Introduction preparation of the ore for use in various products. Thorium (Th) is a dense (11.7 grams per cubic centimetre), silvery metal that is softer than steel. It has a high melting temperature of approximately 1,750° C (3,180°… …
60Crucible steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …
