AQUAKLEEN 205 GRANULATED ACTIVATED CARBON CONTACT FILTERS
The cylinders of these 205 litre filters are colorbonded CA45S steel epoxy
lined or stainless steel. The fully opening DG (Dangerous Goods) type tops are
secured by bolt-type closing rings. BSP50 or flanged inlets and outlets on
the side at the top and the bottom and in the centre of the cover are
provided as required for the particular application.
AQUAKLEEN 205 Filters contain from 140 litres to 200 litres of granulated
activated carbon dependant on the application and are equipped with
distribution/collection filters at top and bottom to create an even
distribution of flow through the carbon.
AQUAKLEEN 205 CONTAMAIR 205 FILTERS (air and vapour phase)
Odorous mercaptans, hydrocarbons and hydrogen sulphide and many other
organic and inorganic compounds can be adsorbed and prevented from
entering the atmosphere. Emissions from processes may be vented through
plastic piping to a manifold connected to the filters.
Where the air phase stream requires to be pumped, for example in the case
of high styrene concentration from fibreglass manufacture, two filters,
either in parallel or series with a 1.5RW blower may be appropriate. The air
stream can be pumped or drawn through the filter.
A maximum flow rate of 2.5m3/min would be normal for most grades of
granulated activated carbon used for the purification of air. The maximum
pressure, negative or positive, should not exceed 25kPa.
AQUAKLEEN 205 CONTAMEX 205 FILTERS (water and liquid phase)
Filtration of water and other liquids through granulated activated carbon
removes taste, odour (Geosmin and MIB) and toxic contaminants and
substances including, for example, chlorobenzene, chlorophenol, cresol,
herbicides, insecticides, mercaptans, polychlorinated biphenyl, toluene,
trichloroethylene and dissolved solvents and oils.
The flow rate varies because of factors including required carbon contact,
time, flow resistance and pressure. The maximum throughput recommended
for a filter is 2000 litres per hour. The quantity of water from which
cyanotoxins can be extracted may be in the order of 600 litres per hour per
filter, based on an Empty Bed Retention Time of 15 minutes and depending on
the quality and toxin load of the raw water.
The maximum operating pressure is 25 kPa. A pressure relief cutout switch is
available and is recommended for use with a positive control system where
hazardous substances are being handled.
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