окруж. |
waste water sludge The removed materials resulting from physical, biological and chemical treatment of waste water (usunięty materiał pochodzący z fizycznego, biologicznego i chemicznego oczyszczania ścieków); sludge 1. A soft, soupy, or muddy bottom deposit, such as found on tideland or in a stream bed. 2. A semifluid, slushy, murky mass of sediment resulting from treatment of water, sewage, or industrial and mining wastes, and often appearing as local bottom deposits in polluted bodies of water (miękki, mazisty, mulisty osad denny) |