Proceeding from the fundamental advantages in the application of heavy
oil with a high sulphur content in unit combined heat and power stati
ons (BHKW), the requirements for the erection and operation of a flue
gas desulphurization plant, consisting of a two-stage waste gas scrubb
er, an electrostatic filter connected in series for the separation of
the soot, a Lime storage and metering device, and a gypsum dewatering
plant, are described. Operational results and experiences are reported
on.