What is pyrolysis?

Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen (or any halogen). It involves the simultaneous change of chemical composition and physical phase, and is irreversible.

Pyrolysis of organic substances produces gas and liquid products and leaves a solid residue richer in carbon content, char. Extreme pyrolysis, which leaves mostly carbon as the residue, is called carbonization.

Posted Jun 22, 2017

What is char?

Char is the solid material that remains after light gases (e.g. coal gas) and tar have been driven out or released from a carbonaceous material during the initial stage of combustion, which is known as carbonization, charring, devolatilization or pyrolysis.

Further stages of efficient combustion (with or without char deposits) are known as gasification reactions, ending quickly when the reversible gas phase of the water gas shift reaction is reached.

Posted Jun 22, 2017

What products can be recovered?

Because the temperature of the pyrolysis chamber can be controlled, specific products can be targeted for recovery. Preventing vapourisation or chemical reactions enables valuable compounds to be retained in the char and subsequently remove / recovered for additional revenue or re-use within a process.

Posted Jun 22, 2017

What is the energy output from Pyrovore?

The energy output will depend on the size of unit and type of waste but typically the larger throughputs (10,000tpa) would lend themselves to electricity generation for site use or sale to the grid.

At lower throughputs electricity can still be generated or there are several ways of using the heat.

Posted Jun 22, 2017

Research, training & development facility – Caldicot

It is proposed for the site at Unit 4 to operate as a research, training and development facility...

View: Waste to Energy Briefing Note (PDF)

Posted Jul 31, 2017