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Advantages of MARPAK
MXF Series 60° flow media:
1. Superior oxygen transfer
The MXF Series geometry allows
for the continuous and uniform
horizontal redistribution of air and
water (Fig. 4-1) maximizing oxygen
uptake.
2. High Efficiencies at shallow
depths
The MXF Series 60° cross
corrugated geometry maximizes
hydraulic retention time compared
to other media types (Fig. 4-2 &
4-3). MXF Series media can provide
effective treatment at media depths
as low as 3 ft MXF Series media
can be used as a direct replacement
for rock media to increase both
capacity and efficiency of existing
trickling filters (Fig. 7-1).
3. Wide hydraulic range
MXF Series is effective in reducing
BOD and nitrification at hydraulic
wetting rates of below 0.2 gpm/ft
2
to over 2.5 gpm/ft
2
.
MARPAK MXF Series
MARPAK MXF Series incorporates the well established 60°
cross-corrugated (cross flow) design (Fig. 4-1). This geometry
has proven to be the most efficient for reducing BOD
(biochemical oxygen demand) and for nitrification. Typical
applications are shown in Figure 5-1. MXF Series media is
available in modules 2 ft wide, 2 ft or 4 ft high and 4 ft or
6 ft long.
5-1
MARPAK MCR Series
MARPAK MCR Series is a vertically corrugated clog resistant
media designed to minimize the potential for excessive solids
buildup. The geometry is ideally suited for treating high
strength wastewater. Typical applications are shown in Figure
5-1. MCR Series media is available in modules 2 ft wide,
2 ft, 4 ft, 6 ft or 8 ft high and 4 ft long.
Product
Identification
Specific
Surface Area
ft
2
/ft
3
Void Ratio
(%)
Application
MXF 3000 30 95
Secondary
Treatment
Anaerobic
Treatment
MXF 4800 48 95
Secondary
Treatment
Nitrification
MXF 7400 74 95
Secondary
Treatment
Nitrification
MCR3100 31 95 High Strength
Wastewater
Anaerobic
Treatment