Kerr-McGee to Buy Kemira's [TiO.sub.2] Plants.Kerr-McGee Chemical Corp., Oklahoma City Oklahoma City (1990 pop. 444,719), state capital, and seat of Oklahoma co., central Okla., on the North Canadian River; inc. 1890. The state's largest city, it is an important livestock market, a wholesale, distribution, industrial, and financial center, and a farm , Okla., has agreed to purchase two titanium dioxide pigment operations from Kemira Oyj of Finland. The facilities are in Savannah Savannah, city, United States Savannah, city (1990 pop. 137,560), seat of Chatham co., SE Ga., a port of entry on the Savannah River near its mouth; inc. 1789. , Ga., and Borlek, The Netherlands. Combined capacity is 440 million lb/yr, which will increase Kerr-McGee's total capacity by 60%, elevating it to the world's third-largest supplier with about 16% global market share (up from 10% previously). Both Kemira facilities use Kerr-McGee's chloride process The Chloride process is used to purify titanium dioxide from minerals containing at least 90 % titanium dioxide. In this process, the feedstock is heated at 900 °C with carbon and chlorine gas, giving titanium tetrachloride. , although the Savannah plant also uses the older sulfate sulfate, chemical compound containing the sulfate (SO4) radical. Sulfates are salts or esters of sulfuric acid, H2SO4, formed by replacing one or both of the hydrogens with a metal (e.g., sodium) or a radical (e.g., ammonium or ethyl). technology. The sale effectively takes Kemira out of the plastics market for [TiO.sub.2]. It retains a plant in Finland that serves mainly paint, paper, and inks. |
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