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| Sulphuric Acid on the WebTM | Technology Manual | DKL Engineering, Inc. |
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Knowledge for
the Sulphuric Acid Industry Introduction
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Moisture determination is performed on the drying tower outlet gas in order to check the drying efficiency of the tower itself. In fact the presence of high quantity of water in the inlet gas to the converter, can be dangerous for the catalyst. Moisture determination is carried out, in a fast and appropriate manner, making use of commercial selective glass vial, containing a special substance that changes its colour in presence of water. This is a fast and easy way to perform this determination because the glass
phial is already pre calibrated, directly, in mg of water absorbed.
Supplier
Dräger Sicherheitstechnik GmbH Range of Measurement
Test Volume
Fit about 1 meter rubber hose in a sampling probe, close the end with an
Hoffman clamp. Set the probe into the sampling point and slowly open the clamp to purge
for about 30 minutes with a flow rate of approximately 60 l/m (avoiding overheating of the
rubber tube). Now insert the sample tube into the end of the rubber hose and make a
sampling operation, during a period of time long enough to colour the vial. The range of measurement and accuracy can be varied depending on the size of
sample taken. Refer to the information supplied with the Dräger tube for details.
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Copyright© 2005,
2006, 2007, 2008 DKL
Engineering, Inc., All Rights Reserved |
