Bureau of Mines / Minerals yearbook: Metals and minerals 1977
Year 1977, Volume 1 (1977)
Absalom, Sandra T.
Boron, pp. 191-200 PDF (1.2 MB)
198 MINERALS YEARBOOK, 1977 WORLD REVIEW Argentina.—Argentina, the foremost pro- Borax y Articulos Quimicos S.A.), 11,000 ducer of boron minerals in South America, tons; the United Kingdom (Borax Consolirevised reported output and exports in dated Ltd.), 11,000 tons. 1976 to 88,900 short tons and 10,400 tons, Peru.—Ulexite was mined by two comparespectively.2 Boroquimica Samicaf, an RTZ flies in Arequipa (southern Peru) for local Borax Ltd. subsidiary, provided most of the use in glass manufacture. Annual capacity output in recent years from its Tincalayu of Boratos del Peru S.A. was 33,000 tons, mine in the Salar del Hombre Muerto basin and capacity of Boroquimica S.A. is proin the Salta region of northwest Argentina. jected to reach 33,000 tons in 1978.6 Additional production came from the Com- Turkey.—The Turkish boron minerals inpañia Productora de Boratos. In 1977, a dustry, dominated by the mines, washing third company, Minera Simon Grandinetti concentrators, and refineries of Etibank Asociados S.A., was planning mining and (the Turkish Government mining corporprocessing facilities to extract ulexite from ation r~sponsible for all State mining activiLaguna Guayatayoc, located 13,000 feet ties) was second only to the U.S. boron above sea level and about 160 miles from minerals industry. In 1977, output was estithe Boroquimica Samicaf operation.~ Prob- mated to have increased about 20% to 1.2 able and possible reserves in this subsurface million tons.7 Etibank's annual productive deposit were estimated at 620,000 tons of capacity for colemanite concentrates of 40% ulexite with 30% to 35% B203 content. The to 47% B203 content was 496,000 tons; proposed plant may employ flotation techni- capacity for tincal concentrate of 34% B203 ques. Facilities for producing boric acid also was 440,000 tons. Facilities at Bandirmamay be constructed at the mine site. Cur- Edincik to process concentrated ore into rent boric acid capacity in Argentina is refined borates had capacities of 61,000 tons estimated at 2,000 to 3,000 short tons per of borax decahydrate; 11,000 tons of borax year. pentahydrate; 27,500 tons of boric acid; and Chile.—Productos Quimicos Pareschi 22,000 tons of sodium perborate. An expanLimitada (Proquipal) produced borates and sion to 38,600 tons of boric acid capacity was boric acid from the Minera Ascotan ulexite scheduled for early 1978. deposit. In 1977, Proquipal was planning to Completion of the new 110,000-ton-perbuild a new boric acid plant near Antofaga- year boric acid plant, planned for 1979, was ste as part of a joint venture with Trans reported to be a year behind schedule.' The Boron Ltd.~ In exchange for technology, delay was attributed to a shortage of finplant financing, and access to the U.S. ancing to purchase plant equipment. Cost of market, Proquipal will sell 33,000 tons of the project was estimated around $20 milboric acid to Trans Boron Ltd. All of this lion. boric acid is destined for the United States, Construction of facilities to produce sowith shipments to begin early in 1978. dium borates at Kirka has also been delay- China, People's Republic of.—Although ed. Plans for the modern refinery include little is known about the industry, it is annual capacities of 200,000 tons of crude believed that China produced a sufficient borax pentahydrate; 55,000 tons of crude amount of borate minerals for domestic anhydrous borax; 10,000 tons of refined consumption with some available for ex- anhydrous borax; and 19,000 tons of refined port. Japan reported 374 tons of boric acid borax decahydrate. imports from China in 1977.~ China also It was reported that project studies are exported 55 tons of boric acid to the United underway for annual production of 150,000 States. tons of washed colemanite ore of low arsenic Europe.—Several European countries im- content from the Bigadic area.9 In addition, ported colemanite from Turkey and sodium modern handling facilities for boron exports berates from the United States to produce are scheduled to be completed at the port of boric acid and other borate chemicals. An- Bandirma by 1979. A total of 5,000 tons of nual boric acid capacities were estimated as crude and refined products will be stored in follows: France (Borax Francais S.A.), covered silos and 50,000 tons of ore will be 42,000 tons; Italy (Sta. Chimica Lardarello stored as open stockpile. S.p.A.), 30,000 tons; Spain (La Productora de U.S.S.R.—The U.S.S.R. announced plans
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