| Plate-Pak | Plate-Pak: A Revolutionary Approach to … | Air Quality Manag… |
| plate settler | Plate Settlers: Maximizing Sedimentatio… | Wastewater Treatm… |
| plate tectonics | The Shifting Ground Beneath Our Feet: P… | Sustainable Water… |
| plate tower scrubber | Plate Tower Scrubbers: Efficiently Neut… | Air Quality Manag… |
| Platetube | Platetube: A Powerful Tool for Wastewat… | Wastewater Treatm… |
| PLC | PLC's in Environmental & Water Treatmen… | Sustainable Water… |
| PLIRRA | PLIRRA: Protecting the Environment and … | Environmental Pol… |
| PLM | PLM: Unlocking the Secrets of Environme… | Sustainable Water… |
| plug flow | Plug Flow: A Powerful Concept in Enviro… | Wastewater Treatm… |
| plug flow reactor (PFR) | Plug Flow Reactors: A Workhorse in Envi… | Wastewater Treatm… |
| plugging factor | Plugging Factor: A Key Metric for Membr… | Water Purification |
| plume | Plumes: The Unseen Trails of Waste Disc… | Air Quality Manag… |
| plunger pump | Plunger Pumps: A Powerful Tool for Wast… | Waste Management |
| Plus 150 | Plus 150: Revolutionizing Waste Managem… | Water Purification |
| Plus 5 | Plus 5: Revolutionizing Wastewater Trea… | Wastewater Treatm… |
| plutonium | Plutonium: A Radioactive Threat in Envi… | Environmental Hea… |
| pluvial | Pluvial: The Rainmaker of Waste Managem… | Waste Management |
| pluvial lake | Pluvial Lakes: Ancient Water Bodies Sha… | Sustainable Water… |
| pluviometer | Measuring the Sky's Tears: The Pluviome… | Sustainable Water… |
| PM | PM in Environmental & Water Treatment: … | Water Purification |
