retraitement du catalyseur récupération du platine
English translation: (spent) catalyst/yzer reprocessing, recovery of platinum
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| 09:53 Mar 28, 2008 |
| French to English translations [PRO] Tech/Engineering - Petroleum Eng/Sci | |||||||
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|  Selected response from: Bourth (X) Local time: 02:46 | ||||||
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| 4 +1 | (spent) catalyst/yzer reprocessing, recovery of platinum |
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| 3 +1 | reprocessing of the platinum recovery catalyst |
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Answers
2 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1reprocessing of the platinum recovery catalyst Explanation: could be |
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26 mins confidence: peer agreement (net): +1
peer agreement (net): +1(spent) catalyst/yzer reprocessing, recovery of platinum Explanation: Platinum is used as a catalyst but when used (spent) is not thrown out with the bathwater. As a catalyzer, platinum is invaluable to chemistry. ... query.nytimes.com/gst/abstract.html?res=F20B10FA355B1B7A93CAA9178ED85F458285F9 Purificant, in fact has the function of catalysing, so it is also called catalyzer. Platinum, rhodium and palladium can be used as catalyzer, and use one of ... gwliu.diytrade.com/sdp/77520/4/cp-997211.html Hydrometallurgy : Recovery of platinum from spent catalyst ... Different authors have investigated the recovery of platinum group metals from spent catalysts. Platinum recovery from spent reforming and isomerization ... linkinghub.elsevier.com/retrieve/pii/S0304386X03001415 Recovery of platinum from a selective linear paraffin dehydrogenation spent catalyst is reported using cyanide leaching method followed by adsorption of the ... cat.inist.fr/?aModele=afficheN&cpsidt=15487656 -------------------------------------------------- Note added at 28 mins (2008-03-28 10:21:51 GMT) -------------------------------------------------- As for punctuation, it could be intended to be: - retraitement du catalyseur/récupération du platine OR - retraitement du catalyseur (récupération du platine) or something along those lines since they are intimately related. -------------------------------------------------- Note added at 35 mins (2008-03-28 10:29:25 GMT) -------------------------------------------------- Looks as if the following article explains it all: The platinum-bearing catalysts now in such substantial use in the petroleum industry retain their high activity during many months of use, but ultimately they require to be replaced by fresh charges. The e@cient and economic recovery of the platinum from spent catalyst is therefore of great importance to the commercial success of catalytic reforming. [...] The catalyst charge is made up of small spheres or pellets of alumina or silica-alumina, impregnated with up to one per cent of platinum. The value of this platinum is a substantial part of the cost of the catalyst, so that ability to recover it almost completely from the spent mass is of essential importance to the economic success of the various reforming processes. http://www.platinummetalsreview.com/pdf/pmr-v2-i3-092-094.pd... |
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