Thermal Oxidizers for Halogenated Vents
Thermal oxidisers with quench and scrubbing that destroy chlorinated, fluorinated and brominated vent streams.
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Halogenated vents destroyed and scrubbed
CRA's acid gas and halogenated thermal oxidisers destroy chlorinated, fluorinated and brominated organics at high temperature, then quench and scrub the flue gas to remove the acid gases formed.
DRE
>99.99%
Downstream control
Quench + scrubber
Target compounds
Cl, F, Br, S species
Package
Oxidiser, quench and scrubber
How is a halogenated vent treated?
The vent gas burns at high temperature in a combustion chamber, which breaks the halogenated organics down. The halogens leave the chamber as acid gases such as hydrogen chloride. A quench cools the hot flue gas quickly, and a scrubber absorbs the acid gases before the clean gas goes to the stack.
How it works
The oxidiser, quench and scrubber are designed as one train at the end of the plant's vent system.
The halogenated vent gas flows to the oxidiser.
High temperature combustion breaks down the halogenated organics.
The quench cools the hot flue gas quickly.
The scrubber absorbs hydrogen chloride and other acid gases.
The cleaned flue gas leaves through the stack.
Key Benefits
Halogenated organics are destroyed with destruction efficiency above 99.99%.
The integrated quench and scrubber capture hydrogen chloride and other acid gases.
The oxidiser, quench and scrubber are designed together for corrosive flue gas.
Combustion, quench and scrubbing come from one supplier with one design basis.
The design draws on CRA's experience in both scrubbing and combustion.
Projects That Push Boundaries
Simultaneous destruction of multiple corrosive gas streams in an active paper manufacturing process.
The CRA Edge
CRA has more than 30 years of experience in gas handling and combustion engineering.
Design, R&D and manufacturing are carried out under one roof.
ISO 9001 certified through TÜV NORD, with designs aligned with ASME, API and CE.
Designs are customised to the process needs and the regulations that apply at site.
Applications
Built to help you specify.
Sizing tools, decision guides, and technical references. Use them before, during, and after your evaluation.
Frequently Asked Questions
Why do halogenated vents need quench and scrubbing?
Burning halogenated organics produces acid gases such as hydrogen chloride. The quench cools the flue gas, and the scrubber removes the acid gases before the stack.
What destruction efficiency does CRA design halogenated vent oxidisers for?
CRA designs its acid gas and halogenated thermal oxidisers for destruction efficiency above 99.99%.
Which compounds can the oxidiser handle?
The oxidiser handles chlorine, fluorine, bromine and sulphur bearing compounds. CRA confirms the design against the full vent composition.
What data does CRA need to size a halogenated vent oxidiser?
CRA needs the flow and composition of each vent, including its halogen content, the stack limits, and the site conditions.
Does CRA supply the scrubber as well?
Yes. The quench and scrubber are part of CRA's package and are designed with the oxidiser.