- fire refining
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• огневое рафинирование• пирометаллургическое рафинирование
Англо-русский словарь терминов металлургии и сварки. 2011.
fire refining
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Refining (metallurgy) — Refining (as in non metallurgical uses) consists of purifying an impure material, in this case a metal. It is to be distinguished from other processes such as smelting and calcining in that those two involve a chemical change to the raw material … Wikipedia
Fire breathing — is the act of creating a large flame by spraying, with one s breath, a flammable liquid upon an open flame. The flame is usually held an arm s length away and the spray should be both powerful and misty. This art is said to have originated in… … Wikipedia
Refining — Refine Re*fine (r?*f?n ), v. t. [imp. & p. p. {Refined} ( find ); p. pr. & vb. n. {Refining}.] [Pref. re + fine to make fine: cf. F. raffiner.] 1. To reduce to a fine, unmixed, or pure state; to free from impurities; to free from dross or alloy;… … The Collaborative International Dictionary of English
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… … Universalium
tin processing — Introduction preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… … Universalium
platinum group — ▪ chemical element group Introduction six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and … Universalium
gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… … Universalium
copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… … Universalium
Pyrometallurgy — is a branch of extractive metallurgy. It consists of the thermal treatment of minerals and metallurgical ores and concentrates to bring about physical and chemical transformations in the materials to enable recovery of valuable metals.… … Wikipedia
combustion — Synonyms and related words: backfire, balefire, beacon, beacon fire, blaze, blazing, blistering, bonfire, branding, burning, burning ghat, calcination, campfire, carbonization, cauterization, cautery, cheerful fire, cineration, concremation,… … Moby Thesaurus
