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Scandium is a chemical element with the symbol Sc and atomic number 21. It is a silvery-white metallic d-block element. Historically, it has been classified as a rare-earth element, [9] together with yttrium and the lanthanides. It was discovered in 1879 by spectral analysis of the minerals euxenite and gadolinite from Scandinavia. [10]
Founded in 1883 as a manufacturer of crankshafts for looms, it has a long history of making forged metal components, particularly for the aerospace industry. Wyman-Gordon is a wholly owned subsidiary of Precision Castparts Corp., and is based in Houston, Texas. It has thirteen (13) plants in five countries, and employed about 2,500 people as of ...
The Daikin Goodman Texas Technology Park (initially called the Comfortplex) is a major factory and office building in Waller, Texas, United States near Houston.Opened in 2017 as the manufacturing, logistics, and engineering center for Daikin's American subsidiary Goodman, the plant makes heating and air conditioning products sold under the Goodman, Amana, and Daikin brands (Daikin, Sekai).
December 11th, 2019, aerial view of TPC plant and surrounding area. A processing unit at TPC's Port Neches butadiene manufacturing plant exploded in a series of explosions on Wednesday, November 27, 2019, the eve of Thanksgiving Day, and a fire raged at the facility. 60,000 residents were evacuated [18] [19] [5] within four miles of the facility, including parts of Port Neches, Nederland ...
On December 6, 1971, Houston Lighting & Power Co. (HL&P), the City of Austin, the City of San Antonio, and the Central Power and Light Co. (CPL) initiated a feasibility study of constructing a jointly-owned nuclear plant. The initial cost estimate for the plant was $974 million [5] (equivalent to approximately $5,700,741,167 in 2015 dollars [6]).
It is principally engaged in the production, distribution and sale of construction materials. Vulcan is the largest producer of construction materials, primarily gravel, crushed stone, and sand, and employs approximately 12,000 people at over 400 facilities.
Celanese operates 25 production plants and six research centers in 11 countries, mainly in North America, Europe, and Asia. The company owns and operates the world's three largest acetic acid plants: one in the Clear Lake area of Pasadena, Texas, [6] one on Jurong Island in Singapore, and a third in Nanjing, China. [4] [7]
The most available element in group 3 is yttrium, with annual production of 8,900 tonnes in 2010. Yttrium is mostly produced as oxide, by a single country, China (99%). [75] Lutetium and scandium are also mostly obtained as oxides, and their annual production by 2001 was about 10 and 2 tonnes, respectively. [76]