However, there are some problems that can cause difference in energy produced. They are improper blending of
fiber and shell, moisture content of materials, incomplete combustion and air flowing [7]. Another problem is steam
quality. The presence of water in steam (wet steam) decreases generation efficiency. Some POM utilizes
superheated steam to obtain high dryness steam. Steam produced by boiler is delivered to turbine. The steam turbine
normally used in POM is one or two stage impulse with backpressure type.