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Designer Oxidizers for Industrial Cooling

Designer Oxidizers for Industrial Cooling. Comparison of the Measured Residual vs. Dosage of ClO 2 with Cl 2 for a Heavily Contaminated Water. . Chlorine Dioxide - Chlorine.

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Designer Oxidizers for Industrial Cooling

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  1. Designer Oxidizers for Industrial Cooling

  2. Comparison of the Measured Residual vs. Dosage of ClO2 with Cl2 for a Heavily Contaminated Water.

  3. Chlorine Dioxide - Chlorine Table 9-8. C. parvum Inactivation Using Chlorine Dioxide Followed by Free Chlorine Disinfectant Level of Inactivation (log-units) pH 6.0 pH 8.0 pH 11.0 Chlorine dioxide 1 .0 1.4 1.6 Free chlorine 0 0 0 Chlorine dioxide followed by free chlorine 2.2 3.0 2.3 Inactivation attributed to synergism 1.2 1.6 0.7 Source: Finch, 1997. Chlorine dioxide 1.3 mg/L for 120 minutes, free chlorine 2.0 mg/L for 120 minutes. Table 9-9. G. muris Inactivation Using Chlorine Dioxide Followed by Free Chlorine Disinfectant Level of Inactivation (log-units) pH 6.0 pH 8.0 Chlorine dioxide 0.8 0.8 Free chlorine 0.8 0.6 Chlorine dioxide followed by free chlorine 2.2 2.0 Inactivation attributed to synergism 0.6 0.6 Source: Finch, 1997. Chlorine dioxide: 1.0 mg/L for 10 minutes, free chlorine 2.0 mg/L for 30 minutes. EPA Guidance Manual Alternative Disinfectants and Oxidants

  4. Chlorine Dioxide-Chloramine Table 9-11. C. parvum Inactivation Using Chlorine Dioxide Followed by Chloramine Disinfectant Level of Inactivation (log-units) pH 6.0 pH 8.0 pH 11.0 Chlorine dioxide 1.0 1.5 1.6 Monochloramine 0 0 0 Chlorine dioxide followed by monochloramine 2.2 2.8 2.1 Inactivation attributed to synergism 1.2 1.3 0.5 Source: Finch, 1997. Chlorine dioxide: pH 6, 8, and 11: 1.3 mg/L for 120 minutes. Monochloramine: pH 6 and 11: 2.0 mg/L for 120 minutes, pH 8: 2.8 mg/L for 180 minutes. Table 9-12. G. muris Inactivation Using Chlorine Dioxide Followed by Chloramine Disinfectant Level of Inactivation (log-units) pH 8.0 pH 11.0 Chlorine dioxide 0.8 0.8 Monochloramine 0.5 0.7 Chlorine dioxide followed by monochloramine 1.7 1.5 Inactivation attributed to synergism 0.4 0 Source: Finch, 1997. pH 8.0: Chlorine dioxide 1.0 mg/L for 5 minutes, monochloramine 2.0 mg/L for 150 minutes. pH 11.0: Chlorine dioxide 1.0 mg/L for 5 minutes, monochloramine 2.0 mg/L for 5 minutes.

  5. Recovery of Bacterial Activity After Shock Dosage with ClO2 and Cl2. L. McGuire, and T. Dishinger, "Chlorine Dioxide Solves Biofouling Problems in a Refinery Cooling Tower Used for Phenol Destruction," CTI, Houston, 1984.

  6. Comparison of Oxidation Potential and Oxidation Capacity of Several Oxidants Along with Relative Oxidation of Materials Commonly Found in Cooling Water.

  7. Cooling Tower Treatments Choose the Treatment that is Right for You HVAC Systems Light Industrial Heavy Industrial

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