2. Introduction
• “Closed the loop” process
• Three steps:
• Collecting and sorting: gathering and categorizing
all recyclable materials respectively
• Processing and Remanufacturing: Products are
broken down and used to create new materials
• Selling and Using: Consumers buy recycled goods
3. Benefits of Recycling
• Reduces waste in landfills
• Conserves natural resources
• Prevents pollution
• Saves energy
• Financial Benefit
• New jobs
• Sustainable future
• Save the Earth
• Save our resources
• Decrease emissions
• Less Waste
• Builds Community
5. Resource of Waste
• Solid Waste
• Industrial solid waste
• Mining
• Agriculture
• Industry
• Municipal solid waste
• Homes
• Businesses
6. Hazards Waste
• Electronics (contain toxics)
• Paint
• Medical waste, including
biomedical sharps (needles)
• Pharmaceuticals
• Batteries
• Light bulbs
• Mercury, other heavy metals (old
thermometers, thermostats)
• Household chemicals & cleaners:
drain cleaner, detergent,
antifreeze, motor oil, etc.
• Threatens human health
or the environment
• Poisonous
• Reactive
• Corrosive
• Flammable
• Developed countries
produce 80-90%
10. Cont.
Polymer Name Uses
Polyethylene
Terephthalate
Recycled to produce polyester fibres, thermoformed sheet,
strapping, soft drink bottles, reinforcement for concrete.
High-Density Polyethylene
Recycled to become various bottles, grocery bags, recycling
bins, agricultural pipe, base cups, car stops, playground
equipment, and plastic lumber, flower pot, toys
Polyvinyl Chloride Recycled to become pipe, fencing, and non-food bottles.
Low-Density Polyethylene
Recycled to become plastic bags, various containers,
dispensing bottles, wash bottles, tubing, and various molded
laboratory equipment.
Polypropylene Recycled into auto parts and industrial fibers.
Polystyrene
Recycled into a wide range of products including office
accessories, cafeteria trays, toys, video cassettes and cases,
insulation board and Styrofoam.
