• Durvakshi Mahajan
• Satish Thakar

As we all know how calcium is important for human body as it helps in formation of teeth & bones. Calcium plays an important role in blood clotting, muscle contraction, nerve function etc. The eggshell was demineralized using lactic acid and vinegar and the kinetics of demineralization was studied. The amount of demineralization was determined by measuring the calcium concentration that remained after the acid treatment. The extracted calcium will be used for making calcium tablets, toothpaste, dairy products and other food products. The eggshells contain 70% to 80% calcium. The process of extraction involves acid reaction. The conventional demineralization process of eggshells using HCL is very costly, causes environmental problems and deteriorates the quality and quantity of calcium. Use of this strong acid harms the physio-chemical properties of eggshells using vinegar to demineralized eggshells is a more convenient, cost-effective, and user-friendly method. This process can be used by layman to get a bio business opportunity.

Calcium, Vinegar, Eggshell, Bio waste

"Calcium Extraction from Waste Egg Shell: A Novel Approach", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.11, Issue 4, page no.l659-l665, April-2024, Available :http://www.jetir.org/papers/JETIR2404B87.pdf

"Calcium Extraction from Waste Egg Shell: A Novel Approach", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.11, Issue 4, page no. ppl659-l665, April-2024, Available at : http://www.jetir.org/papers/JETIR2404B87.pdf