We have located links that may give you full text access.
Inuence of major anions on the 185 nm advanced oxidation process - Sulphate, bicarbonate, and chloride.
Chemosphere 2018 June
The 185 nm wavelength radiation generated by the conventional low pressure mercury lamp forms the basis of an advanced oxidation process (AOP) that does not require chemical addition. The photolysis of water by 185 nm photons generates the hydroxyl radical (OH) used to degrade trace organic contaminants. While AOPs in general suffer decreased efficiency in direct proportion to the concentrations of dissolved organic matter (DOM) and alkalinity (HCO3 - /CO3 2- ), acting as OH scavengers, such solutes impose an additional parasitic effect on the 185 nm AOP as absorbers of photons. Furthermore, the major inorganic anions sulphate () and chloride (Cl- ) also absorb at 185 nm to generate the highly reactive sulphate () and chlorine (Cl) radicals. Like OH, and Cl. are also scavenged by DOM and HCO3 - /CO3 2- . Using carbamazepine as a radical probe, and t-butanol or Suwannee River isolate as model DOM, the relative reactivity of these radicals with both DOM and HCO3 - was found consistent with the order . Experimental evidence suggests some interconversion between these radicals. The 185 nm AOP treatment efficiency thus depends strongly on the anionic composition of the water matrix, as well as on the relative reactivities of the target contaminant, DOM, and HCO3 - with the three radicals OH, Cl. , and . Changes in any of these parameters may result in substantial differences in treatment efficiency.
Full text links
Related Resources
Trending Papers
Challenges in Septic Shock: From New Hemodynamics to Blood Purification Therapies.Journal of Personalized Medicine 2024 Februrary 4
Molecular Targets of Novel Therapeutics for Diabetic Kidney Disease: A New Era of Nephroprotection.International Journal of Molecular Sciences 2024 April 4
Perioperative echocardiographic strain analysis: what anesthesiologists should know.Canadian Journal of Anaesthesia 2024 April 11
The 'Ten Commandments' for the 2023 European Society of Cardiology guidelines for the management of endocarditis.European Heart Journal 2024 April 18
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app
All material on this website is protected by copyright, Copyright © 1994-2024 by WebMD LLC.
This website also contains material copyrighted by 3rd parties.
By using this service, you agree to our terms of use and privacy policy.
Your Privacy Choices
You can now claim free CME credits for this literature searchClaim now
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app