The technology of fabric filtration has made great progress in recent years
and the majority of newly installed filter plants are fabric filters. The
important advantage of a baghouse lies in its greater dust retention capabi
lity compared with an electrostatic precipitator With the proposed scheme i
t is possible to convert practically any electrostatic precipitator into a
Pulse-Jet filter without demolishing the old electrostatic precipitator and
without very long stoppage times for the upstream process. The conversion
leads to lower emission values, improved flow conditions and a reduction in
maintenance expenditure. A description is given of the basic concept of th
e conversion and its implementation in a Brazilian cement works.