About this document
Purified Calcium Carbonate from Eggshells by sterling is a document available to read on EtoBox.
The document describes a 1947 patent for a method of treating egg shells to produce purified calcium carbonate. The method involves placing egg shells in a revolving drum, washing them with hot water, drying them with hot air, and grinding them into a fine powder. This destroys bacteria and removes impurities to produce a purified calcium carbonate that is free of germs and suitable for use as a dietary supplement and in various industrial applications.
- Author
- sterling
- Language
- EN