Dry Scrubbers
DRY SCRUBBERS
OVER 30 YEARS OF PROVEN PERFORMANCE
®
HOW DRY SCRUBBERS WORK
BIOREM provides dry scrubbers as stand-alone units or as a polishing stage following other pre-treatment technologies. Due to the relatively small bed volumes, media changeouts are quick and require little labor. BIOREM develops custom blends of adsorbents to match the requirements of the specific application and types of compounds being targeted. Virgin activated carbon is the most popular dry scrubber media type. Sourced from coconut shells char or bitumous coal, it is steam activated to produce exceptionally high surface area. The high surface area results in the adsorption of high boiling point volatile organic compounds onto the surface of the media. Adsorption can be described as enhanced liquefaction due to London dispersion forces. BIOREM engineers are able to predict the adsorption capacity of activated carbon for any volatile organic compound using the Polanyi/Dubinin Potential Theory of Physical Adsorption, including multicompound interactions and the effect of relative humidity.
Catalytic activated carbon is another
Potassium permanganate impregnated
type of virgin activated carbon which
aluminum oxide is used for the
has been surface modified to promote
compounds that have a low boiling
the catalytic oxidation of compounds
point and resulting low adsorption
prior to adsorption. It is most often
capacity. Similar to the mechanism
used for the capture of hydrogen
in the catalytic activated carbon, the
sulfide, which has low capacity on a
potassium permanganate oxidizes
traditional virgin activated carbon. The
compounds to a solid which is strongly
surface of a catalytic activated carbon
adsorbed. This media is well suited for
converts hydrogen sulfide and other
polar and low molecular weight organic
organic sulfur compounds to elemental
compounds as well as for organic sulfur
sulfur which has a high adsorption
compounds. Potassium permanganate is
capacity. Catalytic carbon effectively
typically used as a second stage media
treats hydrogen sulfide without the
after virgin activated carbon or catalytic
thermal risks that are associated with
activated carbon.
caustic impregnated carbon.
Dry Scrubbers
Dry Scrubbers BIOREM dry scrubbers are available in a number of different configurations to meet site specific requirements:
VERTICAL SINGLE/DUAL BED
S TA N DA R D S CO P E
F E AT U R E S
• 304 stainless steel exhaust fan
• Flexible design: arrangement can be modified, many additional features can be added
• Corrosion resistant fiberglass vessel • 2 second EBRT bed of activated carbon
• Reduced footprints • Least expensive package
RADIAL BED
• Same as Vertical system, but with higher air flows
• High air flow capacity • Low pressure drop • Small footprint
DEEP BED
• Pre-plumbed and pre-wired self-contained vessel • 304 stainless steel exhaust fan • Multiple adsorbent stages • Built-in thermal insulation and sound attenuation
Large variety of ancillary components that can be included as required: U P S T R E A M FO U L A I R
EQ U I PM E N T
• Rotating desiccant bed dehumidifier
• Blower sound enclosure
• Heat transfer (heating/cooling)
• Blower discharge silencer
• Mesh pad grease/mist eliminator
• Vessel & equipment materials of construction
• Isolation damper • Expansion joints
• Vessel insulation
I N S T R U M E N TAT I O N
FIELD SERVICES
(local read or transmitting)
• Differential pressure • Temperature • Hydrogen sulfide measurement • Carbon Monoxide measurement
• Startup and operator training • System performance testing • Air sampling and analysis • Carbon media sampling and analysis
• Packaged unit • Easy carbon change-out using the vacuum ports • Contained design prevents public access to rotating equipment • Low profile design
DRY SCRUBBERS LOW COS T SOLUTIONS Dry scrubbers are well suited to a variety of applications. They can be utilized as stand-alone systems for low concentration applications or combined with other pre-treatment technologies to provide polishing and assurance during process upset conditions. Some of the applications which routinely use dry scrubbers for odor control are:
INDUS T RI A L
MUNICIPA L
• Organics Processing
• Collection systems
• Clean Room Air Supply
• Pumping stations
• Agribusiness
• Headworks
• Food & Beverage
• Liquid Phase Treatment
• Pharmaceutical
• DAF Systems
• Surface Coatings
• Equalization Basins
• Petrochemical
• Biosolids Processing (thickening, dewatering)
• Solid Waste Handling • Semiconductor • Chemical production facilities
• Biosolids Storage Tanks
Dry Scrubbers
BIOREM TEAMS ARE MULTIDISCIPLINARY UNITS COMPRISING BIOLOGICAL, CHEMICAL, ENVIRONMENTAL, MECHANICAL ENGINEERS AND SCIENTISTS.
biorem.biz
O U R P R O M I S E T O YO U
Founded in 1991, BIOREM® is a global clean technology engineering company with one objective: engineer, design, manufacture and distribute the most innovative and effective air emissions abatement technologies in the world.
1, 400+ INSTALL ATIONS We are the leader in emissions abatement and our engineering teams have installed more than 1,400 projects worldwide. Our expertise is in tackling the exceptionally difficult problems of odor, volatile organic compounds (VOCs), and hazardous air pollutants, then engineering innovative solutions for the lowest life cycle cost of any technology.
PERFOR M A NCE G UA R A NTEE BIOREM offers a lifetime commitment that our engineered systems will solve your air emissions and odor challenges. This means you can rely on BIOREM for any project, any size, anywhere and be certain you have the best available technology and support available in the world.
ENG INEERING THE DIFFERENCE Superior physical, chemical and biological solutions that effectively and reliably control air emissions require advanced engineering knowledge and expertise. This is why all BIOREM teams are multidisciplinary units comprising biological, chemical, environmental and mechanical engineers and scientists.
S OLU TIONS YOU C A N TRUS T
experience.
integrity.
performance.
Our air emissions abatement systems allow you to be a better neighbor and a responsible environmental steward. Using state-of-the-art technology, advanced engineering grounded in 30+ years experience and thousands of successful installations, BIOREM is the innovative solution provider you can trust. We’re here to help.
BIOREM Technologies Inc. 7496 Wellington Road 34, Puslinch, ON Canada N0B 2J0 info@biorem.biz 1-800-353-2087 519-767-9100
BIOREM Environmental Ltd. 100 Rawson Road, Suite 230 Victor, NY, 14564 USA service@biorem.biz 1-877-299-2108 585-924-2220
BIOREM (Beijing) Environmental Technologies Co., Ltd. Unit 12B, Block A, Building 1, No. 48 North 3rd Ring Rd W., Haidian District, Beijing, China +86(10)6530 5080