| Fractional
distillation columns are units produced by Formeco of Noventa Padovana for fractional
distillation, which allow the separation of solvents which differ in their
boiling point and the almost total separation of solvents from liquid
pollutants.
The
fractional distillation process makes it possible to obtain a sufficiently
pure liquid for its integral reuse in its original processes.
The
plant consists of a boiler heated indirectly
by different energy sources, including
diathermic oil and steam.
A fractionating column fitted with anti-splash devices and high-efficiency packing material is installed in the upper part of the boiler in order to favour washing in the steam-liquid counterflow. A
head condenser makes it possible to regulate the forced reflux in the column
in order to favour the separation of the various components of the mixture
being treated.
The
units are usually fitted with a heat exchanger which also acts as a pre-heater
of
the
liquid cooled feed liquid. If
required,
the units are equipped with
liquid loop vacuum group fed in a closed circuit by the solvent being
treated, contained in a special cooled feed tank fitted with an exhausted gas
condenser to provide maximum yield. The
complex operates in a continuous round-the-clock cycle and is equipped with
an automatic loading system for the product to be treated, automatic
discharge of the distillate and process fluid. A simply programmable microprocessor electronic board with three sequentially functioning buttons provides process control; the board features a display of operational phases and process temperature The fact that the plant is positioned on metal skid makes it easy for customer companies to install, with significant savings in start-up times.
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