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Adsorption of p-nitrophenol from aqueous solution by combined membrane-adsorption technology was studied. Activated carbon samples were synthesized on the base of industrial by products (coal tar pitch) and biomass. Synthetic activated carbon synthesized from mixture of coal tar pitch and furfural by thermo-oxidation treatment with sulfuric acid at 200oC, and subsequent carbonization in nitrogen atmosphere at 600 oC, followed by hydro-carbonyzation at 800oC. Biomass based activated carbon was obtained by hydro-car...