Minerals Handbook 1996–97: Statistics & Analyses of the by Phillip Crowson

By Phillip Crowson

Considered as one of many major resources of condensed minerals details, this new version of the Minerals instruction manual contains uniform statistical facts on fifty two of the main industrially very important minerals. New additions during this addition contain Coal and Soda Ash. The advent is constituted of a number of precis pages offering some distance achieving facts on international facets of minerals info, resembling the price of annual creation and the import dependence of significant economies. For the non-specialist, the Minerals guide could be used as an introductory consultant to international minerals, drawing jointly information from basic and secondary details designated in appendices, and pointing tips to unique resources. For the expert it acts as an invaluable modern reference instrument, comprising key technical details, permitting transparent comparisons, and delivering adequate information to permit knowledgeable debate on minerals coverage.

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7 billion (primary metal) at 1995 avcngc London Me: tal Exchange ( LME) price:. 9 ALUMINIUM/BAUXITE/ALUM INA-SUBSTITUTE S SUBSTITUTES Bauxite and alumina Aluminium Calcined clay can bc substitutcd for rcfrncwry bauxite but only with rcduction in length o f life and in shock resistance. Sillimanite-alumina, silicon carbide, magnesite- chromite and carbon magnesite refrnctories are alternatives for high-alumina material but at higher cost. Silicon carbide and diamonds can substitute for fused aluminium oxide in ailrnsi\·e use but again at higher cost.

I nc o res 2nd arsenical pyrite cop per OTe. It is also contained in some gold ores. OJ. is recovered as a byproduct during the smelting of such ores. ue eStimated at about 1 million tormcs. Half of these deposits are located in Chile (260000t), USA (SOOOOt), Canada (SOOOOt), Mexico (6OOOOt), Peru (40000t) and the Philippines (40000t). China, Kaz:akhst10 and Ru ssia h1ve luge. but unspecified. reserves. The reserve base is 1- 3 million lonnes and world resources contain approximately 11 million wones of arsenic.

A. a. a. udsas :arsen ic is ph:ased ou t of some uses on enviro nmen tal grou nd s. ) VALUE OF ANNUAL PRODUCTION S32 million (arse nic trioxide at 1995 prices). 30 74 12 4 • 2 ARSEN IC-PR ICES SUBSTITUTES Substitutes exist in most end uses, although sometimes at higher COSt. The imposition of increasingly tight environmental regulations is eneuuraging rapid substitution and the search for alternative products, partir because of the mandated closure of production facilities. t\ wide variety of organic compounds substitute for arsenical insecticides and herbicides.

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