Multi-purpose Lödige type vacuum shovel dryers that can be use for many unit-operations for slurries, solutions and solid materials: such as evaporation, drying, chemical reactions in slurry or solid state, polymerisations, particle coating and dispersion, precipitations/crystallisations, hydrolysis of biomass etc. Batch or fed-batch operations. High quality acid proof steel. Volume/max Temp 130dm3/170C, 250dm3/200C and 600dm3/160C. All are equipped with a high speed homogeniser mixer and vacuum down to 20 mbar.The 130 dm3 equipment can operate up to 25 bar pressure.