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DARCO H2S; The New Carbon for Odor Control
April 10, 2006 - DARCO H2S
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Highest capacity non-impregnated carbon
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Large particle size - 4x10 mesh, low-presure drop
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Non-impregnated - lower risk of bed fires
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Lower density than other carbons - lower cost per ft3
DARCO H2S Eliminates:
Sewage Odor - Eliminate typical sewer gas odors. DARCO H2S has a high capacity of adsorption for hydrogen sulfide, mercaptans, ammonia, indoles, etc. at an exceptionally lower price.
Bed Fires - Eliminate bed fires, typical of impregnated carbons. DARCO H2S is a meso/macro pore activated carbon, and there is little risk of an exothermic reaction occurring in your plant.
Change-Out Costs - Eliminate expensive change-outs by using a long life, high capacity activated carbon. It is possible to extend your change-outs from months to years.
High Lab Costs - Eliminate expensive laboratory testing costs. With a high capacity activated carbon you test less, and eliminate the fear of premature break-through.
Odor Complaints - Eliminate the risk of nuisance odor complaints, and all the paperwork that goes with it.
Hazardous Waste Disposal Costs - Being an un-impregnated carbon, no spent chemicals or hazardous compounds are generated. The spent activated carbon can be safely disposed of as landfill.
High Plant Operating Costs - DARCO H2S has a lower density than most activated carbons, and you buy less carbon to fill the same volume. Capacity is volume not mass based. More pounds of carbon does not mean better loading.

Nuisance Odors
Nuisance odor complaints against industry are becoming more frequent in processes, such as wastewater treatment plants (WWTP) and lift stations, where biological activity is present. Hydrogen sulfide, ammonia, and mercaptans cause the majority of the odor.
DARCO H2S is an economical and safe solution to eliminate these nuisance odors.
Corporate Description
DARCO H2S is produced at Norit's manufacturing facility in Marshall, TX. This location has provided purification solutions since the early 1920's. Norit Americas Inc. is uniquely capable of assisting customers to meet their specific purification needs or regulatory requirements.
Our objective is global supply of purification solutions, and we are committed to meet the needs of our customers. The cornerstone of our approach to the market is quality products, reliable equipment, and superior service with focus on the customer. We aim to develop sound purification technology in co-operation with our customers. With almost a century of know-how behind us, we feel confident in doing it right.
For more information call Norit Americas Inc. at 1-800-641-9245 or visit our Web site at www.norit-americas.com.
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