Cement News tagged under: Green Island Cement

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Green Island Cement oyster shell cement cuts landfill waste

17 September 2024, Published under Cement News

Green Island Cement is taking the natural resource of oyster shells, which are 91 per cent limestone, to use them as the main ingredient in cement production. By upcycling oyster shells, Green Island Cement is diverting the shells from landfill. In 2023 a total of 3300t of oysters were imported into Hong Kong. Approximately, seven per cent of the island’s greenhouse gases are from food waste. While oyster shells had been first considered for cement manufacture by Green Island Cement 20 ye...