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The Efficiency of Making A Chalk by Using Egg Shells Chorion and Making It Water Resistant Hydrophobic by arkibiando is a document available to read on EtoBox.

What is The Efficiency of Making A Chalk by Using Egg Shells Chorion and Making It Water Resistant Hydrophobic about?

The document discusses the problem of egg shell waste, which amounts to 8.58 million metric tons annually, and its potential use as a source of calcium carbonate for making water-resistant chalk. The study aims to reduce pollution from egg shells and provide a cost-effective alternative to traditional chalk for teachers and artists. It outlines the methodology for creating chalk from egg shells, including collection, processing, and testing for durability and quality.

Author

arkibiando

Language

EN