Synthesis route Magnetic source Carbon source Adsorbate Adsorption capacity (mg/g) pH T (°C) Magnetization (emu/g) BET area (m2 /g) Reference Magnetic MWCNTs by hydrolysis impregnation Fe3 O4 Commercial MWCNTs Amoxicillin 33.56 4.6 27 -- -- [87 ] Magnetic AC by coprecipitation impregnation Fe3 O4 Commercial AC Naproxen 87.79 3 25 -- -- [196 ] Magnetic MWCNTs with dibenzo-18-crown-6 by hydrolysis impregnation Fe3 O4 Dibenzo-18-crown-6 Amoxicillin 263.1 5 25 -- -- [88 ] Magnetic AC by coprecipitation impregnation Fe3 O4 Commercial AC Carbamazepine 182.9 -- 25 16 1241 [134 ] Magnetic GO nanoplatelets by coprecipitation Fe3 O4 Commercial GO Amoxicillin 106.38 5 25 -- 543.2 [135 ] Magnetic BC by impregnation with iron salts and direct HTC Fe3 O4 Sugarcane bagasse Tetracycline 48.35 6.8 30 9.73 48.35 [197 ] Magnetic AC by ball milling impregnation Fe3 O4 Commercial coconut shell-based AC Tetracycline Carbamazepine 45.3 135.1 6 25 20.8 486 [198 ] Magnetic BC by pyrolysis and ball milling impregnation Fe3 O4 Coconut shell Tetracycline Carbamazepine 94.2 62.7 6 25 19 365 Chitosan-magnetic GO by coprecipitation Fe3 O4 Commercial GO Ciprofloxacin 282.9 5 25 14.76 388.3 [199 ] Magnetic AC by direct impregnation with hydrothermal method and functionalized with silanes Fe3 O4 Commercial AC Carbamazepine Clofibric acid Ibuprofen 114.3 78.7 166.7 7 25 2.65 960.9 [200 ] Magnetic MWCNTs by coprecipitation impregnation Fe3 O4 Commercial MWCNTs Amoxicillin 355.85 7 25 -- -- [201 ] Magnetic GO sponge Fe3 O4 Graphite Tetracycline 473 10 35 1.14 -- [124 ] Magnetic carbon microspheres by pyrolysis and direct hydrothermal impregnation Fe3 O4 Glucose Sulfonamide 27.85 4 25 42.3 1228 [136 ] Magnetic BC by pyrolysis and impregnation γ -Fe2 O3 Astragalus membranaceus residuesCiprofloxacin 68.9 6 25 23.96 203.7 [202 ] Pyrolysis of sewage sludge and alkali-acid treatment γ -Fe2 O3 Sewage sludge Tetraciclyne 286.91 7 45 -- 141.78 [103 ] Magnetic GO by graphite exfoliation and coprecipitation and magnetic RGO reduced by hydrazine hydrate Fe3 O4 Graphite Tetracycline 252.0 2-12 25 34 148.2 [44 ] Magnetic carbon via carbonization α -FeMetal-organic framework Tetracycline 511.06 7 45 55.51 171.7 [203 ] Magnetic GO by graphite exfoliation and coprecipitation Fe3 O4 Graphite Chlorpheniramine 472.0 10 25 -- 221 [204 ] Magnetic AC by impregnation with iron and cobalt Cobalt ferrite Commercial AC Amoxicillin Paracetamol 444.2 399.9 7 25 3.07 893.8 [205 ] Magnetic AC by simultaneous pyrolysis, impregnation, and activation γ -Fe2 O3 Corn stalks Norfloxacin 7.69 10 25 -- 760.7 [206 ] Magnetic BC yolk shell by calcination Fe3 O4 Resorcinol and formaldehyde Sulfamethazine 312.5 6 25 19.77 247 [207 ] Pyrolysis of bones at 500 °C, coprecipitation Fe3 O4 Chicken bone Tetracycline 98.89 2–10 26 64.7 328.06 [171 ] GO/diethylenetriaminepentaacetic acid Fe3 O4 Commercial GO Tetracycline Ciprofloxacin 294.12 111.73 3 30 -- 176 [208 ] Manganese-based magnetic BC by pyrolysis and coprecipitation impregnation Fe3 O4 Potato stems and leaves Norfloxacin Ciprofloxacin Enrofloxacin 6.94 8.37 7.19 3 30 9.8 252 [209 ] Magnetic GO-polyaniline by graphite exfoliation and coprecipitation Fe3 O4 Graphite Ciprofloxacin 106.38 6 25 -- -- [210 ] Nitrogenated magnetic RGO Fe3 O4 Commercial GO Norfloxacin Ketoprofen 158.1 468.0 6.8 25 -- 38.2 [75 ] Magnetic BC by pyrolysis and impregnated by oxidative hydrolysis Fe3 O4 and γ -Fe2 O3 Pine sawdust Sulfamethoxazole 19.09 4.5 25 47.8 Amp m/kg 125.8 [211 ] Magnetic RGO hydrogel Fe3 O4 Commercial RGO Tetracycline Ciprofloxacin 4.76 2.78 6 25 14.5 66.8 [212 ] Polyglycerol mediated SPMGO Fe3 O4 Commercial GO Tetracycline 684.93 7 25 6.81 -- [213 ] Carbon dot modified magnetic CNTs by coprecipitation impregnation and hydrothermal modification Fe3 O4 Commercial CNTs and citric acid for carbon dots Carbamazepine 65 7 25 5.64 184.1 [105 ] Magnetic AC by direct impregnation and hydrothermal method Ni ferrite Commercial AC Ibuprofen Ketoprofen 172.19 85.64 2 25 25 6.25 564.4 [214 ] Magnetic CNTs by coprecipitation/hydrothermal impregnation Fe3 O4 Commercial CNTs Ketoprofen Diclofenac Ibuprofen 7.9 17.9 9.0 5 25 --- -- [215 ] Phenol resin melted at 40 °C, soft-templating, and impregnation Fe3 O4 Phenolic resin Minocycline 6 --- --- [1 ] Magnetic GO-SO3 H by graphite exfoliation and coprecipitation Fe3 O4 Graphite Ibuprofen Tetracycline 160.83 500.68 7 7 30 35 55.4 -- [131 ] Magnetic BC by carbonization and thermal activation procedure Fe0 White rot fungus of Phanerochaete chrysosporium Diclofenac 361.2 5 -- 21.65 1986 [216 ] Magnetic GO-Si Fe3 O4 Graphite Sulfamethoxazole 15.46 7 25 26.98 -- [217 ] β -cyclodextrin- magnetic GO by graphite exfoliation and coprecipitationFe3 O4 Graphite Sulfamethazine 238.5 3 25 30 -- [218 ] Magnetic CNT by hydrolysis impregnation Mn ferrite Commercial CNTs Bezafibrate 33.4 7 25 23.8 96.526 [219 ] Humic acid coated magnetic BC by direct impregnation pyrolysis and coated after with humic acid Fe3 O4 Potato stems and leaves Norfloxacin Ciprofloxacin Enrofloxacin 9.97 11.46 8.4 10 30 4.04 26.28 [30 ] Magnetic RGO sulfonated by pyrolysis, and inverse coprecipitation impregnation Fe3 O4 Plastic bottle waste Garamycin Ampicillin 456 500 5.5 3.0 25 25 4.9 600 [220 ] Magnetic BC by pyrolysis and coprecipitation impregnation Fe3 O4 Banana biomass Furazolidone 37.86 7.5 30 41 166.9 [31 ] Magnetic AC by hydrothermal carbonization and thermally activated with pyrolysis Fe3 O4 and Fe0 Glucose Bio sludge Iron sludge Sulfanilamide Sulfadiazine Sulfamethazine Sulfamethoxazole 63.7 140.9 178.6 181.8 6 25 17 1385 [221 ] Magnetic AC by coprecipitation impregnation Fe3 O4 Commercial wood AC Tetracycline 208.3 3 20 22.2 -- [222 ]