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Home > Products > UV-Vis Process analysers > Sulphur trioxide (SO3) Analyzer

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The SO3 monitor has been designed to meet a wide range of measuring requirements. The instrument is portable and suitable for long and short term measurements.Sulphur trioxide (SO3) Analyzer

SO3 Monitor

Sulphur trioxide (SO3) is formed as a by-pruduct during the combustion of fossil fuels for power generation and is also used or produced in many industrial processes. At temperatures below about 2000C it combines with water vapour to form sulphuric acid which has deleterious effects on plant surfaces and on the environment.

In power generation SO3 measurements provide data to allow the operator to burn fuel in the most efficient way to minimize corrosion of the plant and limit acid discharges tot the environment. Monitoring of SO3 is also important where it is formed as a by-product, e.g. in DeNOx systems.

The SO3 monitor has been designed to meet a wide range of measuring requirements. The instrument is portable and suitable for long and short term measurements.

The unit is auto calibrating in a user defined  cycle.

An optional RS232 connector allows to record the measurements on a laptop.

Operating Principle

The SO3 or H2SO4 in the gas sample is absorbed as sulphate ions (SO42-) in an aqueous solution of propan-2-ol in water. The solution is passed through a bed of barium chloranilate.
The acid chloranilate ions are measured in a continuous flow photometer. By maintaining a constant ratio of flow rates for the gas and the propan-2-ol absorbing solution, the concentration of acid chloranilate ions can be directly related to the sulphate ion concentration in the absorbing solution, and hence the SO3 concentration in the gas.

Technical Specification

Range:                                   0 - 200 ppm
Accuracy:                             1 5% of reading (in calibrated range)
Lag time:                               Approx. 60 seconds
Response (90% FSD):        Approx. 120 seconds (depending on umbilical length)
Solution consumption:       0,25  2 cm3/h (adjustable as required)
Ambient temperature:         0  400C
Module dimensions:
                Analysis:              19 unit, 6U high, 500 mm deep (27 kg)
                Control:                 19 unit, 4U high, 400 mm deep (13 kg)
Power requirements:           230V 50/60 Hz or 110V 50/60 Hz, 350 W
Probe length:                       1 m, 1,2 m, 1,5 m, 2m
Signal Output:                     4.. 20 mA output for recorder
                                               RS232 to PC connector on request

 

 

Documentation


Brochure SO3 Monitor Brochure SO3 Monitor
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Ankersmid engineers, delivers and performs service on analysis equipment, to complete CEM systems and process systems in associated analysis houses. They are used in industrial process technology, laboratories, air force, stable technology and biogas installations

Ankersmid Process
Samuel Morsestraat 4
7442 DH Nijverdal
Netherlands


(31)-0548-59 59 69
(31)-0548-62 19 72
info@ankersmid.com

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