Multiwalled carbon nanotubes (MWCN) 4 Acid treatments 2 Advanced Oxidation Processes 2 Advanced oxidation technology 2 Aqueous suspensions 2 COOH group 2 Carbon nanotubes 2 Catalysts 2 Chemical techniques 2 Chemical vapor deposition 2 Chemical vapor depositions (CVD) 2 Colloidal Stability 2 Controlled oxidation 2 Controlled oxidations 2 Dispersibilities 2 Fenton 2 Fenton process 2 Field emission 2 Field emission microscopes 2 Field emission scanning electron microscopy 2 Fourier transform infrared spectroscopy 2 Functional groups 2 Functionalizations 2 Hybrid materials 2 Hybrid nanomaterials 2 Hydrophilic polymers 2 Magnetic behavior 2 Nanostructured materials 2 OH group 2 Oxidation 2