Thermo Scientific Mercury Freedom 80i, Manual

Page: 29 / 104

Introduction
Scrubber Assembly
Thermo Fisher Scientific Mercury System Manual 1-15
The three-stage scrubber assembly removes trace levels of mercury and
interference compounds (
Figure 1–11
). It includes the following
components:
●
Silica Gel (Dryrite™) – Additional to a heatless or permeation air dryer
●
Molecular Sieve (Purafil™) – Additional hydrocarbon and interference
removal
●
Activated Charcoal – Hydrocarbons and O
3
, SO
2
, Hg(0) removal
Figure 1–11. Scrubber Assembly
The stack mounting flange (
Figure 1–12
):
●
Provides the mounting interface for the Model 83 i probe enclosure to
the stack
●
Mounts to a standard 8-hole, 150 #, four-inch flange on the stack
Note
The special four-inch adapted mounting flange for installing onto the
port supports the orientation of the stack flange in both single-hole top
center and two-hole level.
▲
Scrubber Assembly
Stack Mounting Flange