EGAT places artificial coral reef at the Sirindhorn International environmental Park
(Thailand National News Bureau 05-16-2013) Electricity Generating Authority of Thailand (EGAT) will begin to submerge artificial coral reefs, mixed with lignite fly ash, under the sea in Phetchaburi to prevent its coast from erosion.
EGAT has begun its pilot project, sinking 289 concrete piles, mixed with lignite fly ash, as artificial coral reefs and wave barriers at the coast of the Sirindhorn International environmental Park, Phetchaburi Province. The barriers are to be lined up in five rows, each of which is 100 metres long, and sunk under water 2-3 metres deep, in order to help prevent coastal erosion caused by strong sea waves.
The barriers have proven effective in helping solve the problem of eroding coastlines, which are the habitat of a variety of coral species and sea animals. Thailand has been facing coastal erosion problems on both the Andaman coast and the gulf of Thailand for quite some time.
According to Mr.Sutat Patmasiriwat, the EGAT Governor, EGAT has sponsored research scholarship programs at the Prince of Songkla University on the use of lignite ash from an electricity generating plant in artificial coral reef production.
30% of lignite fly ash is mixed with 70% of concrete to create artificial coral reefs which can withstand sulfate better than any other type of artificial coral reefs. Research also shows that lignite fly ash has no adverse effect on sea animals, which draws keen interest from many agencies in using it to solve coastal erosion problems, especially in the Southern coasts of Thailand.
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