An apparatus for separation of a mixture of electrically conductive particles and non-conductive particles and a method for separating carbon particles from particulate fly ash with said apparatus

PCT No. PCT/AU95/00321 Sec. 371 Date Dec. 2, 1996 Sec. 102(e) Date Dec. 2, 1996 PCT Filed May 31, 1995 PCT Pub. No. WO95/33571 PCT Pub. Date Dec. 14, 1995A method and apparatus for separation of carbonaceous particles from fly ash utilizes an electrostatic separator having a number of separation zon...

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1. Verfasser:	SMITH ALLAN GREGORY
Format:	Patent
Sprache:	eng
Schlagworte:	MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS PERFORMING OPERATIONS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING
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Zusammenfassung:	PCT No. PCT/AU95/00321 Sec. 371 Date Dec. 2, 1996 Sec. 102(e) Date Dec. 2, 1996 PCT Filed May 31, 1995 PCT Pub. No. WO95/33571 PCT Pub. Date Dec. 14, 1995A method and apparatus for separation of carbonaceous particles from fly ash utilizes an electrostatic separator having a number of separation zones arranged to define a downward serpentine pathway for particulate material. The separation zones include spaced parallel planar electrodes with collectors positioned at the outlet of each separation zone to direct the respective carbonaceous and non-carbonaceous particles to respective storage hoppers. The feedstock is introduced to the apparatus via a rotary valve at a temperature of about 100 DEG C. and the potential difference between respective pairs of electrodes is about 30 KV.