solid & hazardous materials
DESCRIPTION
Environmental Science, Donald Winslow 4 December 2009. Solid & hazardous materials. Mining. Minerals & rock Economic geology 1872 Mining law Metals Non-metal mineral resources Fuel Environmental effects of mining Reducing consumption. Al, Fe, Cu, Pb, Ni, Zn, Hg, Sn, Cr, Mn, Pt, Au, Ag. - PowerPoint PPT PresentationTRANSCRIPT
Solid & hazardous materials
Environmental Science, Donald Winslow4 December 2009
Mining Minerals & rock Economic geology
1872 Mining law Metals Non-metal mineral resources Fuel Environmental effects of mining
Reducing consumption
Metals refined from mined ore
Al, Fe, Cu, Pb, Ni, Zn, Hg, Sn, Cr, Mn, Pt, Au, Ag
Non-metal mineral resources
Gravel Clay Glass Salts
Fuel
Uranium Petroleum Coal
Mountaintop Removal www.ilovemountains.org
Natural gas Coal-bed methane
Powder River, Wyoming Arkoma Basin, Oklahoma
Environmental effects of mining
Acid drainage Processing
Smelting Heap-leach extraction
Reducing consumption Metals Plastics Fuels Electricity etc
Eliminating unnecessary consumption reduces waste.
Solid and hazardous waste
What is waste?
Solid “waste”
“Waste” production American waste stream Fate of American solid materials
Landfills closing Reduce, reuse, recycle Hazardous waste
American waste stream
Paper & paperboard Yard trimmings Plastic Food Metals
Fate of American solid materials
Landfills Open dumps Sanitary landfills Ocean dumping Exporting waste & environmental justice
Recycling Incineration Composting
Recycling
Sorting, cleaning, reformulating Demanufacturing Biodegradable plastics
Incineration
Pollution Cogeneration
Hazardous waste
Chemical & petroleum pollution Federal legislation & regulation
Cradle-to-grave Superfund
Electrical transformers & PCBs
Brownfields Bioremediation Retrievable storage & secure landfills