FILTRASORB® 300 AND 400
Agglomerated Coal Based Granular Activated Carbon
DESCRIPTION
PROPERTIES
FILTRASORB® 300 and
400 are both from the renowned
F300
F400
SPECIFICATIONS
Filtrasorb range of Granular Activated Carbons, which are
8x30 12x40
installed in over 1,000 water treatment plants in Europe,
Iodine Number, min., mg/g
950
1050
the United States and Asia.
FILTRASORB® carbons
are
Methylene Blue Number, min.
230
260
produced by steam activation of selected grades of
Abrasion Number, min.
75
75
bituminous coal that have first been pulverised then
Moisture Content, as packed, max., % w/w
2
2
agglomerated.
Effective Size, mm
0.8-1.0 0.6-0.7
Mesh Size, US Sieve Series
8x30 12x40
FILTRASORB® 300 and
400 have both high adsorption
> 8 mesh (2.36 mm), max. %
15
-
capacity and a high number of transport pores. This gives
> 12 mesh (1.70 mm), max. %
-
5
the carbon a greater selectivity for the removal of
< 30 mesh (0.60 mm), max. %
4
-
micropollutants such as pesticides in the presence of high
< 40 mesh (0.425 mm), max. %
-
4
concentrations of natural organic matter. In addition,
(Please refer to the Sales Specification Sheets, which state the
these products are best suited to the removal of total
Chemviron Carbon test method used to define the above
organics such as disinfection by-product precursors, the
specifications. Copies are available upon request.)
humic substances, which react with chlorine to form
F300 F400
compounds such as trihalomethanes.
TYPICAL PROPERTIES
8x30 12x40
FILTRASORB® 300 is also particularly suited to the
Backwashed and drained Bed Density1,
treatment of bank infiltrated water.
460
425
kg/m³
Floating Content, max., % w/w
0.1
0.1
FEATURES
Surface Area, (N2 BET method²), m²/g
950
1050
Mean Particle Diameter, mm
1.6
1.0
Agglomerated coal based granular activated carbons
Uniformity Coefficient
1.9
1.7
have several properties, which explain their superior
Phenol loading³ at 1 mg/l, DIN 19603, %
4.7
5.2
performance in a wide range of applications:
Detergent (TPBS) loading³at 1 mg/l, mg/g
150
200
Atrazine loading³ at 1 µg/l, mg/g
40
40
•
Produced from a pulverised blend, results in a
Toluene loading³ at 1 mg/l, mg/g
90
100
consistent high quality product.
Trichloroethylene loading ³ at 50 µg/l, mg/g
20
20
•
The activated carbon granules are uniformly activated
1 Backwashed and Drained Density for adsorber sizing;
throughout the whole granule, not just the outside.
² Brunauer, Emmett and Teller, J.Am. Chem. Soc. 60. 309 (1938).
This results in
excellent adsorption properties and
³ Isotherm loading in distilled water. These are reported for
constant adsorption kinetics in a wide range of
comparison and are unlikely to reflect loadings in practice.
applications.
•
High mechanical strength of the coal based carbon
RECYCLING BY THERMAL REACTIVATION
gives
excellent reactivation performances.
•
Agglomerated coal based carbon are suitable for
Once granular carbon is saturated or the treatment
multiple reactivations compared to other base
objective is reached, it can be recycled, by thermal
materials such as peat and wood.
reactivation, for reuse. Reactivation involves treating the
•
The agglomerated structure ensures
rapid wetting.
spent carbon in a high temperature reactivation furnace to
There is no remaining floating material.
over 800°C. During this treatment process, the
•
Carbon bed segregation is retained after repeated
undesirable organics on the carbon are thermally
backwashing, ensuring the
adsorption profile
destroyed. Recycling by thermal reactivation is a highly
remains unchanged with time and therefore
skilled process to ensure that spent carbon is returned to
maximising the bed life before breakthrough.
a reusable quality.
Chemviron Carbon operates
•
Europe’s largest reactivation facilities and daily recycles
FILTRASORB® 300 and
400 comply with EN12915
large quantities of spent carbon for a divers range of
and are approved by the United Kingdom Drinking
customers. Recycling activated carbon by thermal
Water Inspectorate
reactivation meets the environmental need to minimise
SELECTION
waste, reducing CO2 emissions and limiting the use of the
world’s resources.
FILTRASORB® 300 and
400 have a typical effective size
range of 0.9mm and 0.7mm respectively. In general, the
The combined high mechanical strength of
smaller the granule size, the better the adsorption
FILTRASORB® 300 and
400 with the transport pores
performance, therefore
FILTRASORB® 400 should be
gives the carbon
excellent reactivation performance
selected. If the pressure drop is too high with
and
low losses.
FILTRASORB® 400,
FILTRASORB® 300 should be
selected.
TYPICAL PRESSURE DROP CURVES FOR A BACKWASHED AND SEGREGATED BED
FILTRASORB® 300
FILTRASORB® 400
100
200
2°C
80
160
10°C
2°C
20°C
60
120
30°C
10°C
20°C
40
80
30°C
20
40
Downflow Pressure Drop (mbar/m)
Downflow Pressure Drop (mbar/m)
0
0
0
10
20
30
40
0
10
20
30
40
Linear Velocity (m/h)
Linear Velocity (m/h)
TYPICAL BED EXPANSION CURVES FOR A BACKWASHED AND SEGREGATED BED
FILTRASORB® 300
FILTRASORB® 400
2°C
10°C 20°C 30°C
40
2°C
10°C
20°C 30°C
40
30
30
20
20
Bed Expansion (%) 10
Bed Expansion (%) 10
0
0
0
10
20
30
40
50
60
0
10
20
30
40
50
60
Linear Velocity (m/h)
Linear Velocity (m/h)
DESIGN INFORMATION
QUALITY
The following are typical design parameters for
Each of our worldwide operations has achieved
ISO9001
FILTRASORB® 300 and 400 installed for the treatment of
certification for their quality management system related to
surface water.
activated carbon.
Chemviron Carbon guarantees the
•
Superficial contact time
10-30 min.
specifications against representative sampling. For food
•
grade applications, it is recommended to check the quality
Bed depth
1-3 m
•
of the initial effluent before putting the adsorber into
Linear velocity
5-20 m/h
•
service.
Backwash bed expansion
20 %
CHEMVIRON CARBON
PACKAGING
Chemviron Carbon, the European operation of Calgon
•
25 kg bags
Carbon Corporation, is a global manufacturer, supplier,
•
Big bags
and developer of granular activated carbon, innovative
•
Bulk tanker
treatment systems, value added technologies, and
services for optimising production processes and safely
SAFETY MESSAGE
purifying the environment.
Wet activated carbon preferentially removes oxygen from
With our experience developed since the early years of
air. In closed or partially closed containers and vessels,
the twentieth century, facilities around the world and a
oxygen depletion may reach hazardous levels. If workers
world-class team of over 1,200 employees, Calgon
are to enter a vessel containing carbon, appropriate
Carbon Corporation can provide the solutions to your
sampling and work procedures for potentially low-oxygen
most difficult purification challenges.
spaces should be followed.
N.B. Chemviron Carbon reserves the right to change specifications
without notice. All rights reserved for reproduction in part or in full
without prior permission from Chemviron Carbon.
W-2060 - E - 03.01.2006
