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Unit Operations
In chemical engineering and related fields, a unit operation is a basic step in a process (engineering), process. Unit operations involve a physical change or chemical transformation such as separation, crystallization, evaporation, filtration, polymerization, isomerization, and other reactions. For example, in milk processing, the following unit operations are involved: Homogenization (chemistry), homogenization, pasteurization, and packaging. These unit operations are connected to create the overall process. A process may require many unit operations to obtain the desired product from the starting materials, or feedstocks. History Historically, the different chemical industries were regarded as different industrial processes and with different principles. Arthur Dehon Little developed the concept of "unit operations" to explain industrial chemistry processes in 1916. In 1923, William Hultz Walker, William H. Walker, Warren K. Lewis and William H. McAdams wrote the book ''The Prin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LOC MI0086 QuincyMine TIF 00027aS
LOC, L.O.C., Loc, LoC, or locs may refer to: Places * Lóc, a village in Sângeorgiu de Pădure, Mureș County, Romania * Lócs, a village in Vas county, Hungary * Line of Contact, meeting place of Western and Eastern Allied forces at the end of World War II in Europe (1945) * Line of Control, a ceasefire line between Indian- and Pakistani-controlled parts of Kashmir (1972–present) * Locwood stop, Hong Kong, MTR station code * Line of Contact (Nagorno-Karabakh) between Armenian and Azerbaijani forces (1994–present) People with the name * L.O.C. (rapper) (born 1979), Danish rapper * Goldie Loc (born 1980), American rapper * Spider Loc (born 1979), American rapper * Tone Lōc (born 1966), American hip-hop artist and director * Laughlin Phillips or Loc (1924–2010), American museum director Arts, entertainment, and media * LOC: Kargil, a 2003 Indian war film. * OG Loc, fictional character in the video game ''Grand Theft Auto: San Andreas'' * ''Steel Battalion: Line of Co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |