The external heating source is supplied by plasma in this type of
rector Plasma reactors are useful for the conventional
pyrolysis (slow heating rate and low temperature) of biomass Although the plasma pyrolysis reactor method has been
proposed for syngas and char production the technology has
very high energy requirements (the temperature initiated in thermal
plasma is 2500–9500 1C) Tang and Huang used a
radiofrequency (RF) coupled plasma pyrolysis reactor and the gas
yield reached 66% of the biomass feedstock. Further, they showed
that the electrode geometry, input power and reactor pressure were
the key parameters affecting the plasma characteristics such as
plasma length, temperature, and energy transfer efficiency.