Bureau of Mines / Minerals yearbook: Metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)
Kurtz, Horace F.
Bauxite, pp. 189-204 PDF (1.6 MB)
Jamaica KEY (A) Alcoa (K) Kaiser (0) Ormet (R) Reynolds (M—M) Martin— Marietta MINERALS YEARBOOK, 1972 Figure l.—Prindpal sources of bauxite for alumina plants in the United Statesand the Virgin Islands in 1972.192 Guyana. The use of bauxite for the manufacture of refractories has increased every year but one since 1958 when consumption was 60,000 tons. The use of bauxite to make artificial abrasives also increased in 1972 to about the average level of the past decade. All of the bauxite used by the abrasives industry was caicined. Most of the ore came from Sunnam, and the remainder came from Australia and Guyana. Data on consumption by the abrasives industry included bauxite fused and crushed in Canada since much of this material is made into abrasive wheels and coated products in the United States. Chemical producers decreased their consumption of bauxite by 11% during the year. Other consumers of bauxite, in descending order of magnitude, included the cement, oil and gas, and steel and ferroalloys industries, and municipal waterworks. BAUXITE SUPPLY 1)000 long tons) Table 8.—Crude and processed bauxite consumed in the United States in 1972 (Thousand long tons, dry equivalent) Type Domestic Foreign Total' origin origin Crude 1,748 6,857 8,604 Dried 18 5,981 5,998 Activated 7 - - 7 Calcined 178 588 765 Total' 1,950 13,425 15,375 1 Data may not add to totals shown because of independent rounding. Calcined alumina consumed by the 30 primary aluminum plants in the United States totaled 7.94 million short tons, an increase of 5.6%. Alumina consumption data for other uses were not available. A significant quantity was used to make aluminum fluoride and synthetic cryolite, which is also used in the production of primary aluminum.
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