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1

• Waste composition in the GATh as measured in
• 1987 and 1998 at the entry of the central
  landfill of Tagarades and
• 1997 from the waste bins in Pylaia municipality

1987 1997 (official results) 1998
inert material 4.00 2.40 4.00
metals 5.90 3.70 4.43
glass 4.10 3.50 3.61
L-W-T-O 9.40 4.50 9.13
paper 17.70 22.70 29.21
organics 51.70 43.00 26.66
plastics 7.20 13.60 17.90
others 0 6.60 5.06
Leather Wood Textile - Others
2
Compost Technologies
3
Open Bio- actor
4
Bio-activator stacking system

• Consists of stackable interlocking frames, it is
  adjustable in size and can be moved quite easily
• Double-walled, with a partial inner third wall
  which moderates temperature extremes, and
  therefore speeds up the composting
  processVentilation slots and perforated walls
  help promote aerobic decomposition and inhibit
  foul odors

5
Bio-orb roll up system

• The large volume of the spherical Bio-Orb is
  better insulated at holding heat from microbial
  activity than other bins of comparable capacity.
• No mixing, no mess just rolling every 5-10 days.
  Rolling movement allows contents to decompose
  aerobically, producing a sweet pleasant aroma.

6
Composter mixer

• Generous recessed foot treads utilize leg power
  for easy rotation
• Custom-designed curved base allows you to mix in
  place, without rolling
• Double walled, air-core construction help keep
  the temperature in the optimal range

• Air holes provide for ventilation and drainage,
  if needed
• Days of the week stamped on the side to help user
  remember last time it was turned

7
Earth engine- double bin

• Made from environmentally responsible,
  weather-resistant frames
• Galvanized screens hardware inhibits rust
  formation
• 10 Adjustable cedar slats allow easy access to
  separate storage bins
• Enormous capacity - almost 2 square yards of
  space

8
Wormcomposting

• Worms can compost garbage faster than any other
  type of composting method. Worms also are very
  efficient in digesting kitchen food wastes. Each
  day a worm eats half its weight in food.
• The care and feeding of worms take far less
  effort than maintaining an outdoor compost pile.
• This system is composed of a box to contain the
  worms the worms themselves a controlled
  environment and regular maintenance procedures.

9
Composting toilets

• Odorless. Positive ventilation system guarantees
  no bad smells.
• Waterless. Ideal where central sewers or septic
  tanks are uneconomical or environmentally
  unsound.
• Treats wastes biologically. Operates like a
  garden compost pile, transforming wastes into a
  stable end product.
• Easy to install and operate. Designed for the
  convenience of the builder and owner
• High cost