Titanium - TITANIUM By Joseph Gambogi Domestic survey data...

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TITANIUM—2003 78.1 1 References that include a section mark (§) are found in the Internet References Cited section. T ITANIUM By Joseph Gambogi Domestic survey data and tables were prepared by Robin C. Kaiser, statistical assistant, and the world production table was prepared by Regina R. Coleman, international data coordinator. The OfFce of the U.S. Trade Representative (USTR) denied petitions to grant GSP status to imports of unwrought titanium from Russia and Kazakhstan. Kazakhstan’s Ust-Kamenogorsk Titanium Magnesium Combine was the major supplier of titanium sponge to the United States. Russia’s unwrought petition was submitted in 1997. Since the time of submittal, Russia has become a minor supplier of sponge into the United States. In a separate action, the USTR deferred a decision on a petition to remove Russian wrought titanium from the list of articles eligible for duty-free treatment under the GSP (American Metal Market, 2003). Production Mineral Concentrates .—Titanium mineral concentrates of economic importance include ilmenite, leucoxene, rutile, titaniferous slag, and synthetic rutile. Mining of titanium minerals is usually performed using surface methods. Dredging and dry mining techniques are used for the recovery of heavy- mineral sand deposits. Gravity spirals are used to separate the heavy minerals suite, while magnetic and high-tension separation circuits are used to separate the heavy-mineral constituents. Ilmenite is often beneFciated to produce synthetic rutile or titaniferous slag. Although numerous technologies are used to produce synthetic rutile, nearly all are based on either selective leaching or thermal reduction of iron and other impurities in ilmenite. Titaniferous slag with a TiO 2 content of 75% to 95% is produced commercially using pyrometallurgical processes. U.S. mineral concentrate producers were E.I. du Pont de Nemours & Co. Inc. (DuPont), Iluka Resources Inc. (a subsidiary of Iluka Resources Ltd.), and Kerr-McGee Corp. DuPont’s mining operations near Starke, ±L, produced a mixed product containing ilmenite, leucoxene, and rutile that was used as a feedstock in DuPont’s TiO 2 pigment operations. In 2003, DuPont donated nearly 65 square kilometers of land adjacent to the Okefenokee Swamp National Wildlife Refuge in Georgia to The Conservation ±und. DuPont had acquired the land with the intent to expand its mining operations into Georgia; however, the project was suspended in 1997 because of environmental concerns (E.I. du Pont de Nemours and Co. Inc., 2004§). Iluka’s mining operation near Green Cove Springs, ±L, produced rutile and ilmenite concentrates using dredging and dry mining techniques. At yearend, a project to expand the feed-rate of the mobile concentrator at Green Cove Springs to 500 metric tons per hour (t/hr) from 350 t/hr neared completion. Compared with 2002, Iluka’s production of ilmenite and rutile
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Titanium - TITANIUM By Joseph Gambogi Domestic survey data...

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