Torrefaction of biomass The ACB process ANDRITZ SEPARATION develops and (accelerated carbonized biomass) process cesses to convert solid biomass of diffe- offers technologies and processes for comprises an efficient and robust method rent sources into a highly suitable renew- the generation of energy from natural for turning different biomass feedstocks able fuel. In our ACB demonstration plant resources which are renewable (natu- into a densified and torrefied biomass fuel for production of 1 t/hr torrefied product rally replenished) and from waste by- product. Torrefaction is a thermal pro- ANDRITZ SEPARATION is testing different products of production processes that cess to enhance product quality and ener- types of biomass to find out how they be- would otherwise go to landfill. ANDRITZ gy density of different biomass feedstock have and what product qualities can be ob- SEPARATION together with other partners and opens up a wide field of applications, tained. Our commercial turnkey plants are in the Austrian ACB consortium have de- for example to increase the co-firing rate offered for a single line capacity of 50.000 t/a veloped innovative torrefaction technolo- focusing on decentralized fuel production

The ACB process Increasing the value of biomass During torrefaction, low-energy compo- Product characteristics son to wood pellets, up to 20% more nents in the biomass are transferred to the ▪▪ Uniform fuel produced from various gas phase. The process operates at relatively low temperatures (250-280° C) in the absence of air, firstly pyrolyzing hemicellu- ▪▪ Low costs for transport and handling biomass sources ▪▪ Improved grindability compared to wood pellets stitute) in conventional power plants lose. The products of this process are wa- ▪▪ High net calorific value of 19-23 MJ/kg (power plants...