EAS205 Lecture : Topic 9 - Waste Disposal.pdf
Document Summary
Also includes processing (huge tailings piles, spoils, slag heaps) Typically toxic or inert on a short term. About 30 years ago, these held of the waste produced! Covered with a layer of earth on a daily (minimum) basis. Typically located in topographic lows, old gravel pits, surface mines. Albertans generate more waste per capita than any other province. Range from - per tonne. Concentration of non-combustible and non-volatile pollutants and toxins in the residue. Promising technology it has a minimal impact on the environment by removing the destructive site far from populated areas so that emissions are absorbed by the oceans . Offshore incinerators not handicapped by emission control requirements that apply to land-based units . May or may not incinerate it first! World-wide bans have not stopped the practice. Trend is to ban compostable material from landfills. Only 10% have safe disposal systems in place. Standard practice once (and still is in some areas)