Branch Environmental Corp.

 

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Deep-Bed Vapor Phase Carbon Adsorption Systems

Vapor Phase Carbon Adsorption Systems are designed to remove certain gaseous contaminants, including Dioxins/ Furans, Hydrogen Sulphide, Hydrogen Chloride, Ammonia and Mercaptans.

Branch Environmental Corp. offers a Deep-Bed design that may be used as part of a new pollution control train or system, or as a retro-fit unit to be added to an existing system.

The construction of the shell and internal supports of the Deep-Bed Vapor Phase Carbon Adsorption System are fabricated of corrosion resistant fiberglass.  Access man-ways are provided for each bed of activated carbon, for routine inspection and replacement.  Lifting lugs and hold-down lugs are provided.

The process air stream, at a temperature of approximately 140ْ F (60ْ C), enters the Deep-Bed Vapor Phase Carbon Adsorption System between two horizontal beds of selected activated carbon.  The air stream separates, flowing through the upper and lower beds of activated carbon, where the contaminants are removed, prior to the air being discharged from the system.

Typical removal efficiencies are as follows:

Contaminant Removal Efficiency*
Dioxins/Furans 95% - 96%
Hydrogen Sulphide 99%
Hydrogen Chloride 99%
Ammonia 99%
Mercaptans 99%
*Carbons selected for each application
Numerous types of activated carbon are available, including pelletized, granular, powdered, impregnated, virgin and reactivated, made out of several different materials such as coal, coconut shell and wood.  Experience determines the optimum selection of activated carbon for each specific application.

Benefits of the Deep-Bed design include:

Can be added to an existing pollution control system as a final stage for removal of certain contaminants. Made of corrosion resistant fiberglass material for long service. Compact modular design for easy and economical installation. Various types of activated carbon available for different applications.

Carbon Adsorption System
Model No.  CFM
(N/m3/hr)
A (mm) B (mm)  C (mm)  Gas Inlet
ID (mm)
Gas Outlet
ID (mm) 
48C-2(3)  1588 (2700) 4' (1220) 6' (1900) 12' (3800) 10" (250) 6" (150)
66C-2(3)  2941 (5000) 5'5" (1680) 6'-6" (2050) 13' (4100) 15" (375) 10" (250)
72C-2(3) 3529 (6000) 6' (1840) 7' (2150) 14' (4300) 16" (400) 10" (250)
78C-2(3)  4118 (7000) 6'5" (1980) 7'6" (2250) 15' (4500) 18" (450) 12" (300)
108C-2(3)  8235 (14000) 9' (2750) 7'8" (2400) 15'6" (4800) 24" (600) 18" (450)
120C-2(3)  9765 (16600) 10' (3050) 8' (2500) 16' (5000) 24" (600) 18" (450)
144C-2(3)  14118 (24000) 12' (3660)  8'10" (2700) 17'6" (5400) 30" (750)  24" (600)