Canna), and from there to three surface-flow wetlands (the wings
of the butterfly, area: 750m2, depth: 0.60 m, planted with Papyrus),
and finally to the polishing ponds (the butterfly body, area: 200m2,
depth: 0.70 m). Treated effluent is stored in an underground reservoir
for reuse (irrigation) purposes. The final design was presented
at a public hearing, where all 150 delegates voted in favour of the
proposal on behalf of the entire population of Koh Phi Phi, prior to
project implementation.
Canna), and from there to three surface-flow wetlands (the wingsof the butterfly, area: 750m2, depth: 0.60 m, planted with Papyrus),and finally to the polishing ponds (the butterfly body, area: 200m2,depth: 0.70 m). Treated effluent is stored in an underground reservoirfor reuse (irrigation) purposes. The final design was presentedat a public hearing, where all 150 delegates voted in favour of theproposal on behalf of the entire population of Koh Phi Phi, prior toproject implementation.
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