disaggregation of geologic material selective fragmentation by hv pulsed power alexander weh
DESCRIPTION
Disaggregation of geologic material Selective Fragmentation by HV Pulsed Power Alexander Weh selFrag AG Member of Ammann Group 4900 Langenthal Switzerland. Fragmentation by Compression. Fragmentation by Explosion. Water or Oil. Water or Oil. Solids. Solid. Fractures. - PowerPoint PPT PresentationTRANSCRIPT
Disaggregation Disaggregation of of geologic materialgeologic material
Selective Fragmentation Selective Fragmentation by HV Pulsed Powerby HV Pulsed Power
Alexander WehAlexander WehselFrag AG
Member of Ammann Group
4900 Langenthal Switzerland
Principle of selective Principle of selective fragmentationfragmentation
using HV pulsed powerusing HV pulsed powerelectrodynamicelectrohydraulic
Water or Oil
Solid
Fragmentation by Explosion
Energy Balance
750 J / Pulse250 kV, 6 kA200 ns
Water or Oil
Solids
Fragmentation by Compression
Energy Balance
6000-10‘000 J / Pulse
Fractures
20 kV, 100 kA1-10s
selFrag - Selective Fragmentation selFrag - Selective Fragmentation Accessory Minerals - Medium Grained GraniteAccessory Minerals - Medium Grained Granite
Idiomorphic zirconcompletely liberated
170 m200 m
Idiomorphic magnetitecompletely liberated
Idiomorphic apatitecompletely liberated
130 m
Sample processing and pictures by E. Gnos, MHN Geneva
selFrag – Selective FragmentationselFrag – Selective FragmentationMicrofossils - RadiolariaMicrofossils - Radiolaria
(image width 160 µm) (image width 90 µm)Sample processing and pictures by E. Gnos, MHN Geneva
selFrag - Selective Fragmentation selFrag - Selective Fragmentation Ultra Fine Grained MyloniteUltra Fine Grained Mylonite
SelFrag (image 30 µm) Disk mill (image 12.6 µm)Sample processing and pictures by E. Gnos, MHN Geneva
selFrag - Selective Fragmentation selFrag - Selective Fragmentation DioriteDiorite Fragmentation Charakteristics
selFrag Lab vs. Jaw Crusher
SelFrag Jaw Crusher
Sample processing and pictures by E. Gnos, MHN Geneva
200
cm
Reaction vessel
Reaction room
Control panel
High voltage unit
selFrag-LabselFrag-Lab: : Laboratory FragmentorLaboratory Fragmentor