Recycling
By Andrew Paiz
What is Recycling
•	Recycling- It’s a process used materials into new products in order to prevent waste of potentially useful materials.

History of Recycling
•	The 1930’s and 1940’s was the beginning of the the American society and the world to start thinking about recycling.
•	The depression caused many people to recycle to survive and help the war.
•	Earth day began started in 1970 to promote environmental movement
Why we Recycle

•	Reduce the amount of garbage brought to the landfill
•	Pollution from landfill Leachate
•	Chemicals that result when garbage breaks down and blends into a toxic soup

The Utilization of Recycling
•	Recycling keeps the environment cleaner.
•	recycling also reduces greenhouse gas emissions and helps prevent global climate change
•	Recycling Reduces Emissions of Air and Water Pollutants

Common       Recyclables
•	Aggregates and concrete,  Batteries,  Biodegradable waste,   Clothing,  Electronics disassembly and reclamation,  Ferrous  metals,  Non-ferrous metals,  Glass,  Paper,  Plastic,  Textiles,  Timber.
Battery                          Recycling
•	Must be sorted by their size
•	Recycled properly knowing that older batteries mercury and cadmium which are harmful and should be handled with care.
•	Lead-acid batteries are easy to recycle.
Steel recycling 
•	Any grade of steel can be recycled to top quality new metal 
•	Iron and steel are the world's most recycled materials 
•	scrap is remelted in an electric arc furnace
–	furnace that heats charged material by means of an electric arc

Plastic recycling
•	You must remove the labels
•	The numbers of the resin code range from 1-6 on the plastic, anything else is 7
•	Because of the many types of plastic, they each carry a resin identification code, and must be sorted before they can be recycled
–	 a set of symbols placed on plastics to identify the polymer type 
Questions
•	The direct disposal of electrical equipment?
–	Electronics disassembly and reclamation

•	Recycling__________ has become increasingly popular
–	Clothing
•	Green waste can be recycled into useful material by composting
–	Biodegradable waste
•	Collected from demolition sites is put through a crushing machine?
–	Concrete recycling
•	What contains mercury and cadmium
–	Batteries

Questions 2
•	recycling is the process of recovering scrap or waste plastics and reprocessing the material into useful products
–	Plastic

•	__________ can be recycled by reducing it to pulp and combining it with pulp from newly harvested wood
–	Paper
•	_________ may be sorted into color categories
–	Glass
•	__________ one of the most efficient and widely-recycled materials
–	Aluminum
•	Iron and steel are called what in recycling?
–	Ferrous metals

Sources
•	http://science.howstuffworks.com/recycling1.htm
•	http://www.dep.state.pa.us/dep/deputate/airwaste/wm/recycle/FACTS/benefits4.htm
•	http://environment.about.com/od/recycling/Environmental_Issues_Recycling.htm