| Iron oxide chemistry and applications | Lifetime | 80 | CN 11 | 98.70 |
| Advanced Photocatalysis Techniques | Lifetime | 472 | CN 304 | 99.27 |
| Gas Sensing Nanomaterials and Sensors | Lifetime | 520 | CN 282 | 98.62 |
| Extraction and Separation Processes | Lifetime | 360 | CN 127 | 97.86 |
| Metal Extraction and Bioleaching | Lifetime | 211 | CN 66 | 97.78 |
| Minerals Flotation and Separation Techniques | Lifetime | 307 | CN 82 | 97.17 |
| Copper-based nanomaterials and applications | Lifetime | 717 | CN 338 | 97.41 |
| Nanomaterials for catalytic reactions | Lifetime | 796 | CN 345 | 96.94 |
| Mine drainage and remediation techniques | Lifetime | 244 | CN 24 | 96.75 |
| Advanced oxidation water treatment | Lifetime | 505 | CN 224 | 96.52 |
| Covalent Organic Framework Applications | Lifetime | 717 | CN 435 | 96.24 |
| Arsenic contamination and mitigation | Lifetime | 614 | CN 171 | 94.32 |
| CO2 Reduction Techniques and Catalysts | Lifetime | 907 | CN 391 | 93.48 |
| Mercury impact and mitigation studies | 2021-2025 | 9 | CN 7 | 98.93 |
| Gas Sensing Nanomaterials and Sensors | 2021-2025 | 216 | CN 151 | 97.91 |
| Extraction and Separation Processes | 2021-2025 | 134 | CN 96 | 97.29 |
| Advanced Photocatalysis Techniques | 2021-2025 | 545 | CN 402 | 98.51 |
| Catalytic Processes in Materials Science | 2021-2025 | 629 | CN 475 | 96.83 |
| Adsorption and biosorption for pollutant removal | 2021-2025 | 364 | CN 88 | 95.31 |
| Metal-Organic Frameworks: Synthesis and Applications | 2021-2025 | 958 | CN 605 | 93.38 |
| Arsenic contamination and mitigation | 2021-2025 | 193 | CN 134 | 91.35 |
| Advanced oxidation water treatment | 2021-2025 | 541 | CN 413 | 92.83 |
| Copper-based nanomaterials and applications | 2021-2025 | 774 | CN 429 | 90.03 |
| Environmental remediation with nanomaterials | 2021-2025 | 410 | CN 330 | 88.08 |
| Iron oxide chemistry and applications | 2021-2025 | 236 | CN 129 | 86.10 |
| Metal Extraction and Bioleaching | 2021-2025 | 595 | CN 418 | 86.89 |
| Industrial Gas Emission Control | 2021-2025 | 278 | CN 216 | 84.68 |
| Layered Double Hydroxides Synthesis and Applications | 2021-2025 | 341 | CN 191 | 81.98 |
| Recycling and utilization of industrial and municipal waste in materials production | 2021-2025 | 831 | CN 385 | 81.91 |
| Flame retardant materials and properties | 2021-2025 | 835 | CN 666 | 77.53 |
| Mine drainage and remediation techniques | 2021-2025 | 668 | CN 351 | 69.11 |
| Coal and Its By-products | 2021-2025 | 942 | CN 618 | 68.34 |
| Clay minerals and soil interactions | 2021-2025 | 985 | CN 372 | 65.39 |
| Inorganic Fluorides and Related Compounds | 2021-2025 | 965 | CN 446 | 61.78 |
| Subcritical and Supercritical Water Processes | 2021-2025 | 488 | CN 268 | 61.08 |
