Model Dual Express - Carbon Adsorption System
From Liquid Phase Adsorption Equipment
Calgon Carbon's Dual Express is a carbon adsorption system specifically designed to provide a rapid solution to a temporary problem. For emergency situations where quick response is critical, it can be dispatched to a customer's site within hours of notification and operation can begin immediately after set-up. Calgon Carbon personnel are available to supervise system start-up. The Dual Express is a skid-mounted backwashable system delivered as two pre-piped adsorbers with a separate interconnecting pipe module. It is available pre-filled with activated carbon that, once exhausted, can be returned to Calgon Carbon for reactivation as part of a closed loop carbon exchange service.
The Dual Express is ideal for periodic or temporar...
The Dual Express is ideal for periodic or temporary use where a permanent system would not be economical, including:
- Emergency wastewater treatment
- Cooling or process water purification
- Acid decolorization
- Alcohol purification
- Amine purification
Features / Benefits
- Immediate Availability
- Rapid Installation
- Versatile Design
- Closed Loop
- Cost Effective
- The Dual Express system is pre-piped and ready for shipment immediately without obtaining any special transportation permits.
- The Dual Express can be set up for operation and put on stream quickly.
- The Dual Express is designed to handle a wide range of flows and contaminants.
- Spent carbon may be returned to Calgon Carbon for thermal reactivation, eliminating the customer's disposal concerns.
- Customer's avoid incurring permanent capital expenses or maintenance costs because the Dual Express can be used as long as needed and then returned to Calgon Carbon.
System Operating Conditions
System Operating Conditions
Operating mode : Series or parallel
Flow rate : 50-600 gpm
Carbon per adsorber : 20,000 lbs. (9,072 kg)
Pressure rating : 75 psig (517 kPA)
Pressure relief : Graphite rupture disk (71.25 psig burst pressure)
Vacuum rating : 12.9 psig
Temperature rating : 140°F maximum (60°C)
Carbon transfer : Air pressure slurry transfer
Utility air, for carbon transfer : 100 scfm at 30 psig (reduce to 15 psig for trailer)
Utility water : 100 gpm at 30 psig
Freeze protection : None provided; enclosure or protection reccomended
System Specifications
Carbon Adsorbers
Carbon steel 75 psig ASME code stamped pressure vessels
Internal vinyl-ester lining (nominal 3545 mil) for potable water and most industrial applications
Polypropylene (PPL) underdrain and slotted nozzles for water collection
Adsorbers maintenance access: 20 in. round manway
Seismic zone: 4
Standard Adsorption System Piping
6' PPL lined carbon steel process piping, 3' PPL lined carbon steel carbon fill/discharge piping
Tetrafluorethylene (TFE) lined butterfly valves for process piping
316 stainless steel ball valves for GAC fill and discharge
System External Coating
Epoxy mastic paint system
System Dimensions
System Dimensions
Absorber vessel diameter : 8' (244 cm)
Length : 16'10' (513 cm)
Width : 9'10' (300 cm)
Height (on supports) : 20' 4' (620 cm)
Adsorber shipping weight (filled with dry carbon) : 29,000 lbs. (13,154 kg)
System operating weight : 160,000 lbs. (72,575 kg)
Field Connections
Process pipe : 6'
Process pipe connection : 125# ANSI flange
Utility water connection : 1.5' Kamlock connection
Utility air connection : 3/4' Kamlock connection
Carbon hose connection : 4' Kamlock type
Vent connection : 3' flange)
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