pulseerbedden of -bakken
English translation: pulsating bed
| 07:14 Jan 21, 2012 |
| Dutch to English translations [PRO] Tech/Engineering - Mining & Minerals / Gems | |||||||
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|  Selected response from: Michelle Posthumus United Kingdom Local time: 20:45 | ||||||
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| Summary of answers provided | ||||
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| 3 +1 | pulsating bed |
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| 4 | pulsating bed separator; jig |
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| Discussion entries: 2 | |
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Answers
3 hrs confidence: 
peer agreement (net): +1
peer agreement (net): +1pulsating bed Explanation: see the article in the attached link. Reference: http://services.bepress.com/cgi/viewcontent.cgi?article=1122... |
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8 hrs confidence:
pulsating bed separator; jig Explanation: '· Jigs: In this application raw coal is introduced into a pulsating bath of water. The raw coal is moved across a perforated plate with water pulsating through it. A stratified bed of material is established with the heavier rock at the bottom and the lighter coal at the top. At the discharge end, the refuse is removed from the clean coal. Typical size ranges treated in a jig are 75 mm to 12 mm. There are special application fine coal jigs which use an artificial bed of feldspar rock.' (http://www.ilo.org/safework_bookshelf/english?content&nd=857... 'Coal Washing - There are two coal cleaning processes that predominate in the industry: dense medium (DM) separation and JIG washing. JIG washing, which is a water-based process that relies on the pulsation of water through the particle bed to stratify particles of different density, is widely perceived as a simpler, lower-cost option than DM separation.') '4. Pulsating bed separation This method uses a pulsating water flow through a particle bed to effect separation. In the mining industry, the pulsating bed or jig has been in use for many decades to concentrate valuable minerals like gold and tin, for cleaning coal, concentrating bulk minerals like iron but also for removal of contaminants from gravel and sand. Nowadays, the jig is also used in the secondary raw material industry, like the handling of car-scrap.' (http://www.biosoil.nl/app/attach/NcFxmAhT/115000/57836ff7d81... |
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