METHOD FOR TREATING WASTES AND PREPARING CONSTRUCTION MATERIALS FROM WASTE

摘要

The current invention provides a method for treating a variety of materials including solid and liquid-containing wastes which may include common debris or hazardous, radioactive or toxic waste. The method involves combining a waste with a phosphate agent and in some cases other additives such as a quantity of debris, fly ash and/or a metal oxide agent to produce and amended waste which is then compacted. The method yields a hard, ceramic-like material in which the phosphate agent chemically and physically bonds with contaminants and constituents in the waste, thereby significantly reducing the leaching of heavy metals, contaminants and pollutants from the waste and providing a monolith which exhibits high compressive strengths and which has undergone significant volume reduction. The waste can be compacted into a variety of shapes so that the compacted waste has use as a construction material.