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Skip Navigation LinksEvoqua Water Technologies > en > Brands > Industrial Water and Wastewater Equipment and Services > VOCarb® UOCH-KP Odor Control Pelletized Activated Carbon

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​John Lombardo
Product Manager
781-506-9624

VOCarb® UOCH-KP Odor Control Pelletized Activated Carbon

Effective for treating H2S and mercaptans as well as acidic gas streams.

​VOCarb® UOCH-KP odor control carbon is manufactured using selected coal based activated carbons by their impregnation with potassium hydroxide. This carbon is very effective for catalytically oxidizing H2S to elemental sulfur and mercaptans to their corresponding disulfides. The carbon captures and retains acidic gases such as HCl and SO2 as non-volatile salts. The high surface area of the carbon greatly enhances its ability to remove volatile organic compounds from the gas stream being treated.

Most air streams requiring treatment for odors contain high levels of CO2, an acidic gas that forms carbonates and bicarbonates in the presence of alkali metals such as sodium and potassium. Because of their low water solubility, odor control carbons containing NaOH allow the deposition of carbonates and bicarbonates within the pore structure and on the carbon surface of the carbon substrate. This reduces the adsorption capacity and increases system pressure drop, negatively affecting both performance and operating costs. Evoqua selects KOH (potassium hydroxide) as the impregnant because of the high solubility of K2CO3 (potassium carbonate) in water. Consequently, the carbonates which form do not plug the carbon’s pores and the performance of VOCarb UOCH-KP carbon is relatively unaffected by the presence of CO2.​

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 Applications

​As demonstrated in the field, cost effective VOCarb activated carbons developed by Evoqua provide superior performance in an extensive array of gas-phase treatment applications.  VOCarb activated carbons are available for:

 
  • Odor Control
  • Sewage ​treatment plants
  • Refineries and pulp and paper mills
  • Acidic gases such as HCl and SO2
  • Volatile organic compounds

 Quality Control

​All VOCarb activated carbons are extensively quality checked at our State of California certified environmental and carbon testing laboratory located in Los Angeles, CA. Evoqua’s laboratory is fully equipped to provide complete quality control analyses using ASTM standard test methods in order to assure the consistent quality of all Westates® carbon. Our technical staff offers hands-on guidance in selecting the most appropriate system, operating conditions and carbon to meet your needs. ​​For more information, contact your nearest Evoqua representative.​

information@evoqua.com VOCarb® UOCH-KP Odor Control Pelletized Activated Carbon