Adiox® For Dioxin Removal In Wet Scrubbers
And Semi-wet Or Dry Absorbers
Author(s)
P. Lindgren & S. Andersson
Abstract
Adiox® is a state-of-the-art dioxin removal technology that has established itself
as a cost-effective way to reduce dioxin emissions to the atmosphere. Adiox is a
construction material in which carbon particles are dispersed in a polymer such
as polypropylene. Several types of components such as tower packings for wet
scrubbers, demisters (droplet separators) and dry or semi-wet fixed bed fillings
can be produced from Adiox material.
The majority of the Adiox installations can be divided into three main
categories:
a) Adiox as police filter to reduce or eliminate the \“memory effect” in scrubber
systems with upstream dioxin removal in bag house filters.
b) Adiox in combination with other dioxin removal technologies in order to
improve the overall dioxin removal and increase the safety margins.
c) Adiox as the primary dioxin removal system for meeting the EU waste
incineration directive with an emission requirement of < 0.1 ng TEQ/m3
(n., d.g., 11% O2). At Måbjergværket in Denmark, wet Adiox scrubbers in
combination with one electrostatic precipitator per line act as the main
dioxin filter since the fall of 2004. The dioxin measurements carried out so
far show stack concentrations far below the emission limit.
If Adiox is employed in a dry absorber instead of a wet scrubber, the specific
removal efficiency is higher, which leads to smaller equipment sizes. A full-scale
dry absorber has been in operation at the Linköping municipal waste incineration
facility since the end of 2006. After use, Adiox can be incinerated, thereby
destroying the dioxins.
Keywords: PCDD/F, dioxin removal, flue gas cleaning, air pollution control,
memory effect, wet scrubber, Adiox.
Keywords
PCDD/F, dioxin removal, flue gas cleaning, air pollution control,memory effect, wet scrubber, Adiox.
Related Book
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