Patent ID: 9216310
Filing Date: 2015-12-22
Classification: A62D,B01J,B09B,B09C,B82Y,C01F,C01P

Abstract:
1. A process for immobilizing a hazardous substance, which comprises the step of adding a hydrotalcite-like substance to an object to be immobilized in a manner that the synthesis of the hydrotalcite-like substance occurs directly on the object to be immobilized through the mixing of an acidic solution containing aluminum ions and magnesium ions with an alkaline solution containing alkali, and then subjecting the hydrotalcite-like substance to water removal process or neutralization process; wherein the hydrotalcite-like substance is represented by a general chemical formula: Mg wherein zeolite and/or bentonite are/is used together with said hydrotalcite-like substance.