APES CH 21 Review
Fill in the blank:
e-waste, all one answer (paper, glass, some plastics, aluminum and steel composition), waste-to-energy, cradle-to-grave, pre consumer, internal
Hazardous waste includes radioactive wastes which need to be stored safely for as long as _________ years
240,000 years
What is the percentage of e-waste components that could be recycled or reused?
80%
What are the 3 steps in order of application for recycling to be successful
Collection recyclables, converting recyclables, and buying/sellers recyclables
What is a major disadvantage of using a plasma torch to detoxify hazardous waste?
Cost
What would encouraging the shipping of hazardous waste to poor countries not promote?
Discourage reuse and recycling
What is upcycling an example of?
Dual packaging (Reusing)
What is E-Waste and what type of problems does it present?
Electronic waste (e-waste) is the fastest growing solid waste problem. Most ends up in landfills and incinerators. Composition includes: High-quality plasticsValuable metals Toxic and hazardous pollutants
What can e-waste be recycled to extract?
High quality plastics
What is a "cap and trade system"
Market-based pollution control system in which the government sets an overall limit on how much of a pollutant is acceptable from an entire industry or country and issues vouchers to pollute to each company
What is primary recycling?
Materials that are recycled into products of the same type are undergoing
What is biomimicry in relation to hazardous waste etc.?
Observe how natural systems respond. Apply to human industrial systems
What is an example of an organic contaminant- on test pick from a list
Oil, Carbon based chemicals, and pesticides
What are examples of household and workplace produce types of recyclable materials (five major types)
Paper products, glass, aluminum, steel and plastics
You have a diagram that asks you to identify photodegredation and photo stabilization
Photodegradation is the alteration of materials by light.
Filtration and distillation are ________ methods for detoxifying hazardous waste
Physical
What activity is least desirable from an environmental standpoint?
Recycling
What is an advantage of deep-well disposal of liquid hazardous wastes?
Safe, since sites are chosen carefully; waste can often be retrieved; low cost
What are the differences between solid wastes and hazardous waste?
Solid waste: any unwanted or discarded material we produce that is not a liquid or gas. Hazardous waste contributes to pollution, as well as to natural capital degradation, health problems, and premature deaths.
Why should chicken bones not be dumped in the compost pile
The bones won't decompose
What is the reusability web (think principle of biomimicry)
The waste produced by one manufacturer becomes the raw materials for another manufacturer. Waste as raw material
What do waste-to-energy incinerators produce/ what are their advantages
These incinerators produce energy to fuel homes. Advantages include: Reduces trash volume, produces energy, and Concentrates hazardous substances into ash for burial or Produce toxic substances in fly ash and bottom ash
What is the function of the Resource Conservation and Recovery Act
Used in the US to regulate hazardous waste
What is composting?
Using bacteria to decompose biodegradable waste