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The paper aims to investigate biopolymeric wastes that combine the quality of the raw material with the desired application to obtain carbon materials. The raw materials used to obtain products for environmental application must have a low ash content and a quality as uniform as possible. Depending on the requirements of the target products used for depollution purposes, the quality characteristics of the precursors are presented: biopolymeric waste - fruit kernels/shells of peach, olive, and walnut shells, wastes...