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HOME arrow PROCESS OVERVIEW

Process Overview


PLASCON® Tottenham front view
Tottenham Plant
front view
PLASCON® Tottenham rear view
Tottenham Plant
rear view
Schematic
Plant Schematic

PLASCON® is a continuous, automated, electric-arc plasma process that can be used to destroy any gaseous or liquid compound.

PLASCON® is an "in-flight" plasma process, where waste is injected directly into the plasma torch.

There are several configurations of plasma based waste destruction processes however, the in-flight PLASCON® process offers a number of critical advantages as follows:

  • All of the waste is subjected to the highest possible temperatures, i.e. thorough mixing of the waste with the plasma is readily achieved
  • More efficient use of the plasma energy is achieved because there is no large thermal mass (chamber) to heat
  • The entire plasma torch, reaction chamber and scrubber system can be kept to the footprint of a 20 foot shipping container (due to the very short residence times needed to destroy the waste at temperatures in excess of 10,000°C)
  • With very low volumes of waste in the system at any one time,and the fast acting control system, the process is inherently very safe
  • The process doesn't produce a "melt" into which solid, and often toxic, waste could otherwise be mixed
  • No toxic off-gas is produced, eliminating the need for down stream processing (often by inappropriate incineration/combustion systems)
  • Because the process doesn't rely on combustion, the "fuel value" of the feed is of no relevance
  • The process becomes increasingly cost effective as the concentration of the hazardous/toxic component in the feed increases

The throughput rate is dependent on a number of factors:

  • Chemical composition of the waste
  • Contamination, eg particulate and inorganic levels
  • Physical properties of the waste, i.e. liquid, gas, viscosity, etc
  • Residual discharge limits

For further information on the above, refer to the case studies.