PREPARATION OF ACTIVATED OYSTER SHELL AND USE THEREOF

摘要

PURPOSE: Provided is a method for manufacturing an activated oyster shell(AOS), which useful to coagulate nutrients that is apt to suspend during dredging sediment. CONSTITUTION: The preparation of activated oyster shell comprises the steps of washing and drying oyster shell; crushing the oyster shell; and heat-treating the oyster shell at 350deg.C.