| RODTOX | RODTOX: Rapidly Assessing Water Quality… | Water Quality Mon… |
| Roebelt | Roebelt: The Powerhouse of Belt Filter … | Wastewater Treatm… |
| Roedos | Roediger Pittsburgh's Roedos: A Mixing … | Water Purification |
| Roefilt | Roefilt: Revolutionizing Solid-Liquid S… | Wastewater Treatm… |
| Roeflex | Roeflex: A Revolutionary Approach to Fi… | Wastewater Treatm… |
| Roemix | Roemix: Revolutionizing Sludge Dewateri… | Water Purification |
| roentgen | The Roentgen: A Legacy in Radiation Mea… | Environmental Hea… |
| Roepress | Roepress: A Powerful Tool for Environme… | Wastewater Treatm… |
| Roevac | Roevac: A Solution for Efficient and Ec… | Wastewater Treatm… |
| Ro-Flo | Ro-Flo: A Powerful Tool for Environment… | Wastewater Treatm… |
| ROG | ROGs: A Silent Threat to Our Environmen… | Environmental Hea… |
| Rogun | Fighting Fouling: How BetzDearborn-Argo… | Water Purification |
| RollAer | RollAer: A Revolution in Aerobic Digest… | Wastewater Treatm… |
| Roll-Dry | Roll-Dry: A Revolutionary Approach to W… | Wastewater Treatm… |
| Rolling Grit | Rolling Grit: A Critical Step in Wastew… | Wastewater Treatm… |
| Romembra | Romembra: A Look at Reverse Osmosis Mem… | Water Purification |
| Romicon | Romicon: A Legacy of Innovation in Holl… | Water Purification |
| Romi-Kon | ROMI-Kon: A Powerful Tool for Oil/Water… | Wastewater Treatm… |
| RomiPure | RomiPure: A Revolution in Environmental… | Water Purification |
| Roots | Roots: More Than Just a Name in Environ… | Wastewater Treatm… |
