publication . Thesis . 2016

Calcium Carbonate Formation in Water Distribution Systems and Autogenous Repair of Leaks by Inert Particle Clogging

Richards, Colin Scott;
Open Access
  • Published: 20 Jun 2016
  • Publisher: Virginia Tech
  • Country: United States
The formation of calcium carbonate (CaCO3) (i.e. scale) in potable water systems has long been a concern in water treatment and distribution. A literature review reveals that CaCO3 scaling issues are re-emerging due to climate change, temperature increases in hot water systems and lower use of scaling and corrosion inhibitors. Moreover, we have gathered insights that suggest CaCO3 coatings can be beneficial and stop pipeline leaks via self-repair or clogging. Ironically, the actions we are taking to increase the lifespan of distribution systems (i.e. adding corrosion inhibitors) might have worsened leaks and pipe lifespans due to interference with self-repair. T...
free text keywords: Calcium carbonate, distribution system, precipitation, particle clogging, autogenous repair
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Thesis . 2016
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