It is discovered that the efficiency of KOH for degrading PEVER resulted from the high its affinity of K+ to PEVER. Herein, we report an efficient catalytic system of KOH/C2H5OH-H2O to degrade PEVER at a mild reaction condition of 160 oC.

However, its high-cross-link three-dimensional network challenges its degradation and recycling. The excavation by Greece’s University of Thessaly and the Culture Ministry also found luxury pottery imported from other parts of Greece, ornate lamps and fragments of ritual vases used in the worship of Demeter and Persephone at Eleusis, an ancient Athens suburb.As a kind of super stable thermoset resin, phenolic epoxy vinyl ester resin (PEVER) is widely applied as a solvent and corrosion resistance material. The sanctuary was in use for about a thousand years, starting from the 7th century B.C. The artifacts came from the scant ruins of the two small temples, a long building close by that may have served as a temple storeroom and a nearby pit where older offerings were buried to make space for new ones. and the 7th A.D., when it was abandoned for a stronger position during a period of pirate raids. The seaside site of Vryokastro on Kythnos was the ancient capital of the island, inhabited without break between the 12th century B.C.

Several ceremonial pottery vessels that were unearthed are linked with the worship of Demeter, the ancient Greek goddess of agriculture, and her daughter Persephone, to whom the excavated sanctuary complex was dedicated.

ATHENS, Greece (AP) - Archaeologists excavating a hilltop sanctuary on the Aegean Sea island of Kythnos have discovered “countless” pottery offerings left by ancient worshippers over the centuries, Greece’s Culture Ministry said Wednesday.Ī ministry statement said the finds from work this year included more than 2,000 intact or almost complete clay figurines, mostly of women and children but also some of male actors, as well as of tortoises, lions, pigs and birds.

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