Biologic Design
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Wetland Ecosystem Treatment (WET) Systems
Our constructed wetland ecosystems are called WET Systems and they function by harnessing the innate ability of natural wetland ecosystems to absorb and transform the organic nutrients found in wastewater, converting these into plant biomass and soil.Each WET System design is site specific, and is based upon good ecological practice and Permaculture design principles.
WET Systems are a sustainable form wastewater purification technology, they are low-entropy systems as they use no fossil fuels or electricity to purify the wastewater.
They are solar powered by the ability of plants to absorb solar energy during photosynthesis. Micro-organisms in the root-zone mineralise the nutrients found in wastewater making them available to the plants.
WET Systems have a low embedded energy since, unlike conventional Reedbed Treatment Systems, no gravel or plastic aeration pipes are used in their construction; thus gravel does not need to be quarried and transported to site, and because plastics are not routinely used in our designs WET Systems have a very low embedded energy.
Soil in the root-zone, not imported gravel, is the filtration medium and this is, in most cases, already on-site.
WET Systems:
Integrated wastewater purification, Resource production and
Habitat creation.