For example, BEST Energy in Australia, have developed a slow pyrolysis approach
called Argichar, in which between 25 and 70 % by weight of the dry feed material is converted to a high - carbon char material, while also generating
syngas: see www.ecovoice.com.au/enews/enews-47/Images%2047/Brief%20BEST%20pyrolysis%20and%20Agrichar%202007.pdf.