METHOD FOR RECOVERING CERIUM OXIDE POLISHING AGENT AND RECOVERED PRODUCT CONTAINING CERIUM OXIDE POLISHING AGENT

摘要

The disclosed method for recovering a cerium oxide polishing agent involves at least a crushing step of mixing caked polishing-agent waste containing a cerium oxide polishing agent and polished glass debris with an acid aqueous solution or an alkali aqueous solution, and crushing the caked polishing-agent waste with a crushing machine.