e-waste panel introduction february 13, 2013
TRANSCRIPT
E-Waste Panel Introduction
February 13, 2013
Prof. Marian Chertow, Yale University School of Forestry and Environmental Studies President, International Society for Industrial Ecology
Industrial ecology is concerned with managing the physical resource flows of our modern
technological society
The WEEE Man is made from the amount of waste electrical and electronic products that an average – YOU – will throw away in YOUR lifetime.
He is composed of 3 tons of Waste Electrical and Electronic Equipment, the average lifetime use/person.
FRIDGES 5 WASHING MACHINES 3
COOKER & HOB 1 MICROWAVE 6
KETTLES 12 FOOD MIXERS 2
WHISKS 3 TOASTERS 8
VACUUM CLEANERS 7 IRONS 8
SEWING MACHINES 1 ELECTRIC KNIVES 3
SEWING MACHINES 1 ELECTRIC KNIVES 3
SANDWICH TOASTERS 5 LAWN MOWERS 4
ELCTRIC HEATERS 6 FANS 5
PC SCREENS 7 CPU'S 8
KEYBOARDS 4 KEYBOARD MICE 23
TV’S 6 STEREO 2
PLAYSTATION 1 PRINTERS 15
RADIOS 5 MOBILES 35
STRIMMER 1 DVD 1
VIDEO RECORDERS 3 SATELLITE DISHES 3
DRILL 1 SANDER 1
AIR FILTER 1 www.weeeman.org The WEEE Man is 23 feet tall!
1.2 kg of fuel 72 g of chemicals
32 kg of water
Manufacturing a microchip weighing less than an ounce requires close to 75 lbs of resources (Eric Williams et al, ES&T 2002, 2004)
Not just operation: the life cycle of consumer electronics is important
Share of life cycle energy for production vs. operation for different products Source: E. Williams, Nature 2011
http://www.nist.gov/el/msid/dpg/images/ramnew_1.jpg
Quantities of valuable and hazardous metals in a desktop tower computer & cathode-ray-tube monitor
Metal Amount (g)
Aluminium 680–960 Antimony* 2.4–18.0 Arsenic* 0.06 Bismuth 0.23 Cadmium* 3.3 Chromium 0.05 Copper 1,370–2,640 Ferrite 480 Gold 0.39–0.67 Indium 0.04 Lead* 620–1,370 Nickel 4.5–30.0 Platinum 0.92 Steel 7,300–8,880 Silver 0.86–2.60 Tin 67 Zinc 21
Eric Williams, Nature, 479, 354–358
(17 November 2011)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1990 1995 2000 2005 2010
Prod
ucts
per
U.S
. hou
seho
ld
Stationary E-waste Potential
CRT TV monitor
desktop computer gaming console
LCD TV monitor
Mobile E-waste Potential
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1990 1995 2000 2005 2010
Prod
ucts
per
U.S
. Hou
seho
ld
Cell phone basic smart
laptop tablet
E-reader
camera
MP3 player
http://www.epa.gov/osw/conserve/materials/ecycling/docs/fact7-08.pdf
Consumer Electronics Less Lifespan – Growing E-Waste
Aver
age
Life
span
(Yea
rs)
0
1
2
3
4
5
6
7
8
How not to manage E-Waste (Guiyu, China)
How to manage E-Waste (Tiazhou, China) MFA Taizhou Chiho-Tiande Metals in 2006
250,000 tons scrap electric motors 150,000 tons
steel scrap
45,000 tons copper scrap
20,000 tons scrap silicon steel sheets
30,000 tons secondary aluminum 2% solid residues to
be disposed of