the invention relates to a treatment process or recycling co process for oily wastes originating from the use of hydrocarbons , products manufactured therefrom and derivatives of same , without using aggregates from natural banks during the transformation process , thereby producing a novel material which can be used as an aggregate in hydraulic or asphaltic rolling surfaces , road sub - bases , bases and repair work involving cold patching , and which has the following mechanical characteristics and properties : zero plasticity ; non toxicity ; insolubility and impermeability to water , which prevents any form of leaching during the handling or use thereof ; and optimum cbr and compacting , reducing construction times and costs and any negative impact on the environment , through the sustainable use of wastewater streams .