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Eggshells have some organic membranes and contain a lot of CaCO3, although they are typically regarded as garbage. ES comprise roughly 95% calcium carbonate, and the ES membrane's fibrils are primarily made of proteins, around 10% of which are collagen (types I, V, and X).Due to the versatility of both calcium carbonate and collagen in many fieldssuch as medicine, pharmaceutic, alimentation and cosmetic. In this study, we used waste eggshell as raw material to extract calcium carbonate and collagen as bio and natural products, and in this study we gave an attempt to reduce waste eggshell,...