Process for producing granulated alkali metal or alkaline earth metal cyanides
Zp sob spo v v tom, e vodn² roztok nebo suspenze, obsahuj c kyanid alkalick ho kovu nebo kovu alkalick zeminy se zpracuje rozpraÜovac granulac ve v °iv vrstv , sest vaj c z krystaliza n ch o ek kyanidu a voda se odpa° pomoc proudu suÜic ho plynu o teplot 150 a 500 .degree.C p°i teplot v °iv vrstvy 1...
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Main Authors | , , |
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Format | Patent |
Language | Czech English |
Published |
16.04.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | Zp sob spo v v tom, e vodn² roztok nebo suspenze, obsahuj c kyanid alkalick ho kovu nebo kovu alkalick zeminy se zpracuje rozpraÜovac granulac ve v °iv vrstv , sest vaj c z krystaliza n ch o ek kyanidu a voda se odpa° pomoc proudu suÜic ho plynu o teplot 150 a 500 .degree.C p°i teplot v °iv vrstvy 110 a 350 .degree.C, p°i em suÜic m plynem je p°eh° t vodn p ra.\
The present invention relates to a method for the production of granulated alkali metal or alkaline earth metal cyanides by fluid bed granulation, whereby the invented method comprises spraying a solution or suspension of the cyanide onto a fluidized bed consisting of cyanide nuclei. Water is evaporated using a stream of superheated steam introduced at a temperature of 150 - 500 degC, the fluidized bed temperature being 110 to 350 degC, whereby superheated steam functions as a drying gas. |
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Bibliography: | Application Number: CZ19970004060 |