two-component chlorine dioxide Articles

  • Chlorine

    Due to the complexity of chlorine chemistry, the activity and forms of chlorine is not well understood. Its reactions are not always 'predictable' and are somewhat unique. This memo is intended to provide some simple insight of the most common forms of chlorine that we at Osmonics® encounter. The most basic form of chlorine is Chlorine Gas (Cl2). This is usually the cheapest form of chlorination, ...

  • Chlorine Dioxide gas detection: A comprehensive guide

    Introduction Some years agoago, the bleaching process in the paper industry was changed from using Chlorine (Cl2) as bleaching agent to Chlorine dioxide (ClO2). This was a challenge forThis posed a major challenge to industrial hygienists, as there were no sensors or detectors available that were specific to Chlorine dioxide: There was no sensor technology for gas detectors available that ...

  • Modeling and analysis of chlorine dioxide, chlorite, and chlorate propagation in a drinking water distribution system

    The drinking water distribution system of Cremona, in the north of Italy, was monitored for 6 years (2006–2011) analyzing chlorine dioxide, chlorite, and chlorate concentrations. The software Epanet 2.0 (USEPA) was applied to the distribution system. The mixing zone of the water coming from the two drinking water treatment plants, respectively located to the west and east of the city, was ...


    By IWA Publishing

  • From Gas to Liquid: Large-Scale Chlorination System Conversion

    Abstract A number of wastewater treatment facilities using gas disinfection have decided to convert to liquid disinfection for several reasons including safety, regulatory, security, and economic factors. An optimal technology plan should be developed to facilitate the conversion. This presentation provides a case study of a large chlorine disinfection system, and demonstrates key issues of ...

  • Leaching of bisphenol A and F from new and old epoxy coatings: laboratory and field studies

    Laboratory tests were carried out with three types of new epoxy resins to assess the release of bisphenol A and F (BPA and BPF) and potential halogenated phenolic by-products. Tests were carried out over a duration of 6 months in the presence and absence of disinfectants (chlorine and chlorine dioxide) at realistic doses and contact times. None of the three systems exhibited Fickian-type ...


    By IWA Publishing

  • Oxidative transformation of oxcarbazepine by Cl2, ClO2 and O3: characteristics and pathways

    In this research, the degradation efficiency, mechanism and intermediates’ toxicities of oxcarbazepine (OXC) upon chlorination, chlorine dioxide oxidation and ozonation were investigated. Results showed that three degradation approaches followed second-order kinetics, and ozonation had the highest removal efficiency both of OXC and dissolved organic carbon (DOC). Reaction intermediates were ...


    By IWA Publishing

  • Waterworks city of Toulouse

    Two chlorine dioxide plants with very high capacities are in operation in order to supply the city of Toulouse with drinking water. Absolute safety in distribution of the decontaminated water to the households is required. During pre-chlorination and during post-chlorination of the water, the second system is in stand-by operation and is automatically switched on at a possible failure. The ...


  • Outbreak of Giardiasis and Cryptosporidiosis Associated with a Neighborhood Interactive Water FountainFlorida, 2006

    An outbreak of giardiasis and cryptosporidiosis was identified in central Florida in September 2006. Environmental and epidemiological investigations indicated the likely source was a neighborhood interactive water fountain in a large upscale urban neighborhood. Forty-nine cases meeting the case definition were identified, of which 38 were giardiasis, nine were cryptosporidiosis, and two were ...

  • Chlorites Control in European Drinking Water Treatment Plants

    ABSTRACT The paper reports initial results for experiments carried out at Fortore drinking water treatment plant aimed at controlling chlorites. Research was performed in parallel with a full-scale drinking water plant (Fortore, Italy) and a pilot plant at Mosina water treatment plant which supplies potable water to the city of Poznań (Poland). Both plants operated with pre-disinfection ...

  • Drought Forces Push to Recycle, Reuse and Potential in Brackish Water for Oil & Gas Industry: Interview with BioLargo CEO

    UPTICK Interview: BioLargo's AOS Filter Delivers Abundant Clean Water Even In Drought The headlines are full of discussion on water shortages and drought with few options consistently noted beyond the need to conserve and manage the precious resource. To gain perspective on the problem and explore viable solutions UPTICK Newswire interviewed ...


    By Biolargo, Inc.

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