Activated carbon; activated carbon in powder form, in granulated form or micro and/or mesoporous and/or macroporous extruded form for the treatment of water pollution and point source pollutions of raw water in a drinking water treatment network; activated carbon in powder form, in granulated form or micro and/or mesoporous and/or macroporous extruded form for the processing and the purification of drinking and/or waste and/or industrial water