Enviro-cell

Table 15. Treatment of effluents by the enViro-cell system...

Table 16. Some industrial applications of the enViro-cell [249] Packed bed electrolysis...

Envirocell enviro-cell Umweltteehnik 6 mbH Contoured packed bed of carbon, possibly with non-conduc-tive particles Discontinuous via anodic or open-circuit leaching or vacuum removal of bed Yes V V... 

In recent years, more attention has been drawn to high surface area, three-dimensional particle bed or graphite felt cathodes, where the bed is either stationary or fluidized [52, 121, 122], Such reactors (e.g., the AKZO/Bilhton fluidized-bed reactor or the Enviro-Cell [30, 123, 124]) provide a very high surface area for metal deposition, but the inter-relationship between the fluid flow rate, local metal ion concentration, and the current density distribution in the bed is complex. Fixed,... 

Enviro-cell Umwelttechnik GmbH Gattenhofer Weg 29 D-6370 Oberusel West Germany... 

Electrolysers with packed bed cathodes, so-called Enviro-cells (Deutsche Carbon AG/ENVIROCELL Umwelttechnik GmbH, Germany) with graphite spheres in the cathodic compartment and an inert or ion-exchange membrane (Pig. 14), are used in indust-... 

ENVIRO-CELL http //enviro-cell.com/index2.html (accessed 01 April 2015)... 

In efforts to improve the process efficiency of the electrodeposition alternative anode reactions have sometimes been employed. Cells such as the Enviro cell, the swiss roll cell, etc., have been used in applications which combine electrodeposition and anodic oxidation, typically that of cyanide, and some organics. Examples of other processes which couple together electrode reactions include ... 

Fig. IM Examples of porous three-dimensional electrodes, (a) The Swiss-roll cell, showing its sandwich-and-roll structure. The electrodes may be single or multiple sheets or nets. The separator is selected from cloths, porous polymers or ion-exchange membranes. (b) The Enviro-Cell, which incorporates a profiled bed of carbon particles. In this manner, the current density is deliberately decreased towards the reactor outlet.

Fig. 7.3 The Enviro-Cell which uses a prowled, packed bed cathode for metal reinoval.

Fig. 7.3 The Enviro-Cell which uses a profiled, packed-bed cathode for metal removal, (a) modes of operation, (b) View from above of a single Enviro-Cell (approximately 1 m high) (c) A number of cell modules banked together. (Courtesy Deutsche Carbone.)...

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