| Advanced Photocatalysis Techniques | Lifetime | 123 | CN 82 | 99.76 |
| Advanced oxidation water treatment | Lifetime | 53 | CN 23 | 99.43 |
| Covalent Organic Framework Applications | Lifetime | 111 | CN 53 | 99.20 |
| Environmental remediation with nanomaterials | Lifetime | 53 | CN 29 | 99.23 |
| Adsorption and biosorption for pollutant removal | Lifetime | 243 | CN 69 | 98.69 |
| Metal-Organic Frameworks: Synthesis and Applications | Lifetime | 365 | CN 163 | 98.82 |
| Nanoparticles: synthesis and applications | Lifetime | 719 | CN 103 | 96.15 |
| Pharmaceutical and Antibiotic Environmental Impacts | Lifetime | 926 | CN 251 | 96.29 |
| Microbial bioremediation and biosurfactants | Lifetime | 458 | CN 58 | 95.86 |
| Layered Double Hydroxides Synthesis and Applications | Lifetime | 946 | CN 330 | 89.29 |
| Water Resources and Sustainability | Lifetime | 703 | CN 580 | 55.93 |
| Environmental remediation with nanomaterials | 2021-2025 | 2 | CN 2 | 99.76 |
| Advanced Photocatalysis Techniques | 2021-2025 | 41 | CN 32 | 99.83 |
| Advanced oxidation water treatment | 2021-2025 | 11 | CN 8 | 99.71 |
| Metal-Organic Frameworks: Synthesis and Applications | 2021-2025 | 39 | CN 27 | 99.38 |
| Covalent Organic Framework Applications | 2021-2025 | 41 | CN 33 | 99.29 |
| Gas Sensing Nanomaterials and Sensors | 2021-2025 | 408 | CN 274 | 96.65 |
| Nanomaterials for catalytic reactions | 2021-2025 | 276 | CN 96 | 95.77 |
| Pharmaceutical and Antibiotic Environmental Impacts | 2021-2025 | 277 | CN 173 | 95.76 |
| Radioactive element chemistry and processing | 2021-2025 | 190 | CN 155 | 95.15 |
| Adsorption and biosorption for pollutant removal | 2021-2025 | 488 | CN 126 | 94.26 |
| TiO2 Photocatalysis and Solar Cells | 2021-2025 | 355 | CN 66 | 91.61 |
| MXene and MAX Phase Materials | 2021-2025 | 906 | CN 570 | 92.99 |
| Water Treatment and Disinfection | 2021-2025 | 297 | CN 217 | 89.46 |
| Analytical chemistry methods development | 2021-2025 | 590 | CN 192 | 88.53 |
| Arsenic contamination and mitigation | 2021-2025 | 552 | CN 339 | 82.12 |
| Phosphorus and nutrient management | 2021-2025 | 638 | CN 315 | 79.99 |
| Pickering emulsions and particle stabilization | 2021-2025 | 796 | CN 499 | 77.70 |
| Mine drainage and remediation techniques | 2021-2025 | 620 | CN 325 | 70.35 |
| Layered Double Hydroxides Synthesis and Applications | 2021-2025 | 823 | CN 435 | 68.60 |
| Enzyme-mediated dye degradation | 2021-2025 | 680 | CN 183 | 63.70 |
| Iron oxide chemistry and applications | 2021-2025 | 980 | CN 412 | 64.56 |
| Industrial Gas Emission Control | 2021-2025 | 892 | CN 663 | 64.02 |
| Bamboo properties and applications | 2021-2025 | 765 | CN 468 | 59.27 |
