Introduction of Eggshell Powder
Jan 06, 2026
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Introduction of Eggshell Powder
Although eggshells contain abundant trace elements, they are insoluble in water and cannot be evenly mixed into feed, making them unsuitable for direct absorption and utilization.
Therefore, eggshells are ground into powder, leading to the development of eggshell powder.
Production involves simply grinding waste eggshells into a powder using a mixer or grinder.
Eggshell powder is rich in inorganic salts and contains small amounts of organic matter, making it suitable for use in poultry and livestock feed. It helps supplement the calcium requirements of poultry and livestock, promoting growth and development.
Eggshells contain 94.54% calcium carbonate, 1.15% protein, and 4.36% magnesium carbonate and calcium carbonate. Because the nutrients in eggshell powder are easily absorbed and utilized, and it leaves no heavy metal residue, it can be added to any powder and mixes evenly without sedimentation.
Therefore, eggshell powder is widely used in food calciumsupplementation, feed additives, daily chemical processing, cleaning, and fertilizer applications. The production and utilization of eggshell powder transforms waste into treasure and has significant economic value for circular ecological sustainability.
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