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Archives :: Chementator :: Inorganic Chemicals

Displaying 1 - 3 of 3 stories.
December 1, 2013
Pilot plant operation has been completed for a process that produces the fertilizer potassium sulfate from the mineral polyhalite, a hydrated sulfate of potassium, magnesium and calcium. The process, developed by Intercontinental Potash Corp. (ICP; Golden, Colo.; www.icpotash.com), resurrects a route to K2SO4 that was first explored in a push to develop a domestic source of potash after a German embargo in...
http://www.che.com/chementator/inorganic_chemicals/First-commercial-process-for-K2SO4-from-polyhalite-completes-pilot_11257.html
September 1, 2013
Cement manufacturing is a major source of greenhouse gas emissions due to two factors: carbon dioxide is released when calcium carbonate calcines to lime (CaO) in the cement manufacturing process; and cement kilns are operated at temperatures of 1,500°C, which requires significant fuel consumption. Cement is the agent that binds sand and crushed rock together to form concrete. Solidia Technologies...
http://www.che.com/chementator/inorganic_chemicals/Cement-technology-increases-strength-and-lowers-emissions-footprint_10905.html
March 1, 2012
A technique for protecting structural steel from fire using the endothermic decomposition of magnesium hydroxide has been developed by a team from the Dept. of Chemical Engineering and Materials Engineering, the University of Auckland (New Zealand; www.auckland.ac.nz). Led by professor Mohammad Farid, the team designed a system consisting of an outer layer of gypsum board and an inner mass of Mg(OH)2. The...
http://www.che.com/chementator/inorganic_chemicals/Using-chemistry-to-protect-structural-steel-during-a-fire_9026.html

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