HgFree Mercury Removal Activated Carbons

VOCarb® 410 and P60 HgFree carbons are steam activated carbons made from select grades of coal that have been impregnated with sulfur to provide superior mercury removal in gas phase applications.

VOCarb® 410 and P60 HgFree for Mercury Removal

HgFree Carbon for Mercury Removal

Unlike other grades of sulfur impregnated carbons for mercury removal on the market today, HgFree carbons are impregnated with the S2 form of sulfur only. The carbon has a high affinity for this form of sulfur and the sulfur is uniformly distributed throughout the carbon’s pore structure, resulting in superior mercury removal performance when treating a variety of gas streams.

Independent laboratory testing of HgFree compared to other mercury adsorbents on the market today indicated improved performance in several categories:

- Overall mercury capacity
- Reduced mercury leachability in TCLP extractions
- Reduced sulfur loss at elevated temperatures
- Higher residual organic adsorption capacity
- Improved kinetics for lower residual mercury concentrations in effluent

Applications for VOCarb® 410 and P60 HgFree carbons include:
- Natural gas
- Air
- Hydrogen

HgFree carbons are extensively quality checked at our State of California certified environmental and carbon testing laboratory located in Los Angeles, CA. Siemens’ 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® Carbons.

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Features and Benefits

Greater stability of adsorbed mercury species on carbon, ensuring significantly reduced mercury leaching via TCLP extraction tests
Superior moisture resistance for high humidity streams
Superior temperature resistance ensures product performance at elevated temperatures
A detailed quality assurance program guarantees consistent quality from lot to lot and sample to sample

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Product Documentation

VOCarb® 410 and P60 HgFree Specification

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