eggshell powder making machines

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Dec 01, 2020 Eggshell has a very high content of calcium. The content is so significant that in many countries dry eggshell is used as a source of calcium in animal feeds (Faridi and Arabhosseini, 2018).It primarily consists of multiple layers of calcium carbonate, CaCO 3 or about 5.5 g of the compound (Bhaskaran et al., 2016).The overall chemical composition of eggshell is said to be similar to …

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