Presentation is loading. Please wait.

Presentation is loading. Please wait.

Solid & hazardous materials Environmental Science, Donald Winslow 4 December 2009.

Similar presentations


Presentation on theme: "Solid & hazardous materials Environmental Science, Donald Winslow 4 December 2009."— Presentation transcript:

1 Solid & hazardous materials Environmental Science, Donald Winslow 4 December 2009

2 Mining Minerals & rock Economic geology 1872 Mining law Metals Non-metal mineral resources Fuel Environmental effects of mining Reducing consumption

3 Metals refined from mined ore Al, Fe, Cu, Pb, Ni, Zn, Hg, Sn, Cr, Mn, Pt, Au, Ag

4 Non-metal mineral resources Gravel Clay Glass Salts

5 Fuel Uranium Petroleum Coal Mountaintop Removal Natural gas Coal-bed methane Powder River, Wyoming Arkoma Basin, Oklahoma

6 Environmental effects of mining Acid drainage Processing Smelting Heap-leach extraction

7 Reducing consumption Metals Plastics Fuels Electricity etc Eliminating unnecessary consumption reduces waste.

8 Solid and hazardous waste What is waste?

9 Solid waste Waste production American waste stream Fate of American solid materials Landfills closing Reduce, reuse, recycle Hazardous waste

10 American waste stream Paper & paperboard Yard trimmings Plastic Food Metals

11 Fate of American solid materials Landfills Open dumps Sanitary landfills Ocean dumping Exporting waste & environmental justice Recycling Incineration Composting

12 Recycling Sorting, cleaning, reformulating Demanufacturing Biodegradable plastics

13 Incineration Pollution Cogeneration

14 Hazardous waste Chemical & petroleum pollution Federal legislation & regulation Cradle-to-grave Superfund Electrical transformers & PCBs Brownfields Bioremediation Retrievable storage & secure landfills


Download ppt "Solid & hazardous materials Environmental Science, Donald Winslow 4 December 2009."

Similar presentations


Ads by Google