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Integrated effects of selected ions on 2,4,6-trinitrotoluene-removal by O"3/H"2O"2 [An article from: Journal of Hazardous Materials]
Book Details
Author(s)Y. Wu, C. Zhao, Q. Wang, K. Ding
PublisherElsevier
ISBN / ASINB000RR8W7E
ISBN-13978B000RR8W77
AvailabilityAvailable for download now
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from Journal of Hazardous Materials, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Considering the components of 2,4,6-trinitrotoluene (TNT)-containing water, this paper aims to research the integrated effects of ions on TNT-removal by O"3/H"2O"2 through the selection of CO"3^-, HCOO^-, Cu^2^+ and Al^3^+. In view of TNT-removal rate and its constant, we find that the test with HCO"3^- or HCOO^- or Cu^2^+ results in lower TNT-removal rate and its constant than control test. Therefore, it may conclude that HCO"3^- or HCOO^- and Cu^2^+ has a potential to inhibit the efficacy of O"3/H"2O"2, and that their inhibitions increase with an order from HCOO^- to Cu^2^+ and to HCO"3^-. However, Al^3^+ is an exception, because it has a potential to improve the efficacy. When the two selected ions coexist, HCO"3^- and HCOO^- inhibit the efficacy. The inhibition is greater than that of either one alone, and also greater than their sum, and thus the integrated effect of HCO"3^- and HCOO^- follows the synergistic effect. The inhibition of Cu^2^+ and HCOO^- coexistence also is greater than that either alone, but smaller than their sum, and thus their integrated effect follows the independent effect. The integrated effect of Al^3^+ and HCOO^- follows the addition effect.
Description:
Considering the components of 2,4,6-trinitrotoluene (TNT)-containing water, this paper aims to research the integrated effects of ions on TNT-removal by O"3/H"2O"2 through the selection of CO"3^-, HCOO^-, Cu^2^+ and Al^3^+. In view of TNT-removal rate and its constant, we find that the test with HCO"3^- or HCOO^- or Cu^2^+ results in lower TNT-removal rate and its constant than control test. Therefore, it may conclude that HCO"3^- or HCOO^- and Cu^2^+ has a potential to inhibit the efficacy of O"3/H"2O"2, and that their inhibitions increase with an order from HCOO^- to Cu^2^+ and to HCO"3^-. However, Al^3^+ is an exception, because it has a potential to improve the efficacy. When the two selected ions coexist, HCO"3^- and HCOO^- inhibit the efficacy. The inhibition is greater than that of either one alone, and also greater than their sum, and thus the integrated effect of HCO"3^- and HCOO^- follows the synergistic effect. The inhibition of Cu^2^+ and HCOO^- coexistence also is greater than that either alone, but smaller than their sum, and thus their integrated effect follows the independent effect. The integrated effect of Al^3^+ and HCOO^- follows the addition effect.
