Chapter 14 Flashcards Preview

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Flashcards in Chapter 14 Deck (11):
1

What are 3 natural recourses, their use and alterative synthetic product?

- wool = clothes + carpets, acrylic fibre
- cotton = clothes + textiles , polyester
- silk = clothes, nylon

2

What is a finite resource?

a non-renewable resource

3

What is the difference between a finite resource and a renewable resource?

finite resources come in limited supplies where as renewable resources are replenished naturally over relatively short periods of time

4

What is sustainable development?

its improving our quality of life without damaging the quality of life for future generations by, development that is conducted without depletion of natural resources

5

What is potable water?

water that is safe to drink

6

What is waste water?

water that has been used in a home or business or part of an industrial process

7

What is the process of sewage treatment?

sewage arrives - pumping station - primary sedimentation(- sludge digestion - fertilizer+solid fuel - generate electricity) - biological treatment - secondary sedimentation(- sludge digestion - etc...)(or) - cl2/o3/UV (water can be disinfected/sterilized at this point) - effluent

8

What does LCA stand for?

life cycle assessment

9

what are the stages of a LCA?

raw material - manufacture/packaging/distribution -use/reuse/maintenance - recycle/waste management

10

What are the 2 input of the LCA?

- raw materials
- energy

11

What are the 4 outputs of the LCA?

- atmospheric emissions
- waterborne wastes
- solid wastes
- coproducts