Maldistribution – Tru-CAT™ Scan
Benefits of Tru-CAT™ Scan
- Collection of much more online process information
- Confirmation of liquid maldistribution
- Scan results generates a density profile image
Tru-CAT™ Scan technology is used to obtain a cross sectional density
profile of process equipment. The scan is performed at one elevation with
360-degree coverage.
A Tru-CAT™ Scan offers additional information to that of a Tru-Grid™ Scan when applied to a packed tower. A Tru-Grid™ Scan may show what
appears to be good liquid distribution when in fact there is liquid maldistribution,
e.g. An annular flow pattern. In packed towers, liquid maldistribution
can be classified as Chordal or Annular liquid maldistribution. Chordal
liquid maldistribution occurs when one side (one chord) of a column has
excess liquid and another side (chord) will have liquid deficiency. Annular
liquid distribution occurs when liquid flow distribution is in an annular
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