geo coservation CHAPTER 13

geo coservation CHAPTER 13 - CHAPTER 13: SOLID AND...

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CHAPTER 13: SOLID AND  HAZARDOUS WASTE Biology 104 Spring 2008 WSU
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CASE STUDY 13 US sends 230 mill tons  to landfills every yr In addition 140 mill  tons/yr comes from  construction and  demolition debris Space is limited and  diminishing Incinerating no good Expensive and produces  air pollution (especially  dioxins & heavy metals)
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CASE STUDY 13 Commercial recyclers —Taylor recycling in  NY Recycles and sells  97% of mixed debris  rcvd. Other 3 % to  landfill. (Indust. ave. is  30-50%) Trees—mulch Dirt—screened then  resold as soil Seperates and recycles  Const. debris seperated  & ground down
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CASE STUDY 13 Construction debris  (cont) Drywall to gypsum then  resold to drywall mfg Wood—composted or  burned Bricks—crushed and  used as fill or incorp. into  other materials Organic waste separated  and converted to natural  gas to run machinery or  sold
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This note was uploaded on 04/17/2008 for the course BIOLOGY 104 taught by Professor Hucko during the Spring '08 term at Winona.

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geo coservation CHAPTER 13 - CHAPTER 13: SOLID AND...

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