Floating Covers For Evaporation and Odor Control

Floating Cover Applications

Properly designed reservoir floating cover systems prevent fluid loss due to evaporation, reduce chemical demand and improve water quality by preventing contamination from bird droppings, airborne particulates, dead animals pollen and other pollutants.  Floating covers block off sunlight preventing algae bloom.  They also reduce the production of trialomethane (THM) type compounds such as chloroform from forming that result from the combining of organic substances with chlorine due to reductions in chlorine demand.  In anaerobic digester systems, floating covers are increasingly being used to capture organic gases and to reduce biological oxygen demand (BOD).

Floating cover systems were introduced over 30 years ago.  Many have provided a service life beyond 20 years.  When first introduced, materials and designs were not developed and in some cases had limited success. Today, with advancements in design and materials, floating covers offer the low cost quality solution of choice where water quality standards require potable water reservoirs be covered.

Floating cover applications range from anaerobic digestion covers for wastewater systems, to potable water reservoir covers for municipal drinking water applications.  In farming applications they have been successfully used with enzymes to capture methane gas that is used to fuel electricity producing generators that can satisfy 150% of a typical swine farm’s electrical power requirements.  This alternative generates renewable “green energy” from an otherwise polluting system that provides zero return on investment.  In agricultural and other water management applications, floating covers are increasing  being used for evaporation control and odor control.


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One Response to “Floating Covers For Evaporation and Odor Control”

  1. sobrien Says:

    I have been following your blogs for quite some time and just thought I would leave a note to tell you how much I enjoy them. I have been using them as reference for some papers I am writing. Thank you for the information

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