Brian Cheshire joins Jack Walker and Paul Atzemis to discuss SSPC Technology Guide 27 - Recommended Performance Properties for Liquid-Applied Organic Polymeric Coatings and Linings for Concrete Structures in Municipal Wastewater Facilities. Listen as the trio discuss the factors that challenge coating systems in a wastewater treatment plant.

 

  • 0:00 – Intro
  • 0:51 – Brian Cheshire and Chumbawumba
  • 3:10 – SSPC Technology Guide 27¬¬ – Recommended Performance Properties for Liquid-Applied Organic Polymeric Coatings and Linings for Concrete Structures in Municipal Wastewater Facilities
  • http://shop.sspc.org/ST-000G27
  • 4:56 – Collection systems - Manholes, interceptors, lift stations
  • 5:20 – Hydrogen sulfide gas, methane gas present in the headspace challenges to concrete and coating systems
  • 5:52 – Biogenic sulfide corrosion, commonly known as microbial induced corrosion (MIC)
  • 7:00 – Hydrogen sulfide becomes sulfuric acid due to microbial induced corrosion within wastewater systems
  • 9:22 – Assets constructed of concrete within a wastewater treatment plant
  • 10:01 – The Clean Water Act and MIC
  • 10:25 – Factors that make a coating suitable for wastewater collection systems
  • 10:58 – Unintended consequences associated with regulations
  • 12:54 – Preliminary wastewater treatment systems and considerations for coating systems
  • 15:05 – Primary wastewater treatment systems and considerations for coating systems
  • 16:54 – The aggressive environment found in wastewater treatment systems
  • 18:00 – Testing protocol outlined in SSPC Technology Guide 27 to identify coating systems for concrete in wastewater treatment
  • 20:10 – ASTM G210 - Standard Practice for Operating the Severe Wastewater Analysis Testing Apparatus
  • https://www.astm.org/Standards/G210.htm
  • 21:30 – Wrap up

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