Flashcards in Waste Deck (12):
What are the traditional methods of waste disposal?
What is the liquid waste of a landfill called?
What materials are used to prevent flow of leachate into water reservoirs and away from landfills?
Layers of clay and impermeable membranes
What are possible byproducts of the incineration of wastes?
(NOx)s, SO2, aerosols, PAHs, acidic gases, heavy metals, and dioxins
What are the most commonly recycled metals?
iron/steel, aluminum, copper
What is the most beneficial aspect of glass recycling?
The quality of glass does not decline even after it has been recycled many times
What are the most commonly recycled plastics?
PET and HDPE
What is pyrolysis?
Heating plastics to high temperatures in the absence of oxygen to break them down into their constituent components
What happens to the quality of fibers in paper as it is recycled?
Continual decline in quality
What are the two categories that radioactive waste is divided into?
Low-level and High-level
What differentiates low-level radioactive waste from high-level wastes?
Shorter half-life and lower radioactivity