Activated carbon: classifications, properties and - download pdf or read online

By James F. Kwiatkowski

ISBN-10: 1620816660

ISBN-13: 9781620816660

Offers topical examine within the research of activated carbon, which include issues comparable to the skin chemistry of activated carbons and as catalyst helps; thermal processing of activated carbons from agro-industrial wastes; activated carbon as a steel oxide help; and, extra.

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Additional info for Activated carbon: classifications, properties and applications

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The used GAC is regenerated by acidic water and acids. The results show that GAC can be used for the adsorption of α-picoline from aqueous solutions. Another advantage of this process is that α-picoline adsorption is almost independent on pH and so, conducting the adsorption in neutral range of pH is feasible. Also, producing the wastewater with low or high pH values cannot extensively affect the process efficiency. Di Natale et al. [112] have worked on the removal of chromium ions by adsorption on GAC in aqueous solution.

Average ammonia and H2S removal efficiencies are greater than 96% and 100%, respectively over an operating period of 140 days without a need to pH adjustment. 0 after physical adsorption step. Coexistence of H2S does not affect NH3 removal efficiency. Gas retention time has an important role in the performance of the system. The efficient removal of high concentrations of NH3 in its mixtures with H2S and high adaptability of the system to loading and temperature shocks are advantages of the used GAC-based biofilter.

9% s-PAC: 90% PAC: 30% Only O3: 18% O3/PAC: 70% Volatile organic compounds 85% (VOCs) Polychlorinated dibenzodioxins PAC Gaseous (PCDD), Polychlorinated dibenzofurans (PCDF) PAC Gaseous Mercury 25-95% * Super powdered activated carbon: has much finer particle size than PAC. ** A compound responsible to water taste and odor PAC Gaseous [94] [95] [96] [38] [97] [98] [99] [100] [101] [102] 24 A. R. Khataee, S. Aber, M. Zarei and M. 2. Granulated Activated Carbon (GAC) GAC has particle size larger than PAC.

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Activated carbon: classifications, properties and applications by James F. Kwiatkowski

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