Solid Waste Management Flashcards Preview

PH 136 > Solid Waste Management > Flashcards

Flashcards in Solid Waste Management Deck (23):
1

pollution's exposure routes - enumerate

ingestion, inhalation, skin absorption

2

What is solid waste?

Waste arising from human and animal activities that are normally solid and discarded as useless or unwanted

3

Which is false?
A.Not all human activities can generate waste
B.We live in a disposable age wherein convenience is priority.
C.Waste management has a behavioral component

A
All dapat

4

identify: Waste arising from domestic, commercial, and institutional activities in urban areas

municipal waste

5

identify: Waste arising from industrial activity, and typically include hazardous waste

industrial solid waste

6

characteristics of hazardous waste: enumerate

Toxicity
Ignitability
Corrosiveness
Reactivity

7

Which is not a consequence of lack of SWM?
A.unpleasant odor and eye sores
B.flooding
C.breeding grounds for insects and rodents
D.spontaneous combustion
E.NOTA

E

8

Enumerate the factors that contribute to increased amount of solid waste

A.advertisements
B.increasing population
C.changing lifestyles
D.disposable materials
E.excessive packaging

9

Enumerate parts of integrated approach to solid waste management

Reduce
Reuse
Recycle
Recovery
Landfill

10

Enumerate 2 considerations in establishing efficient garbage storage facilities

 Waste generation rate
 Collection frequency

11

False about collection of solid waste
A.Least expensive part
B.There is a need for proper timing during collection
C.Separate collection system for hazardous waste
D.Collection crew must be trained in handling solid waste

A
most expensive dapat

12

What is a place where one can separate recyclable materials from other wastes?

Material Recovery Facility

13

Components of Material Recovery Facility

transfer station, combustion facilities, and disposal site

14

enumerate transformation processes in recovery

1.physical
2.biological
3.thermal

15

enumerate 4 components of physical transformation process in recovery part (SWM management)

1.Separation
2.Size reduction to speed up decomposition
3.Densification with the use of shredders
4.Foster decomposition afterwards

16

false about biologicaltransformation processes in recovery
A.also called composting
B.Microorganisms, enzymes and bio-reactors are used to degrade materials
C.Bioreactors should have an optimal mix of helium & nutrients in waste for the microorganisms to work well

C

carbon, not helium

17

enumerate 3 methods of thermal transofmation @ recovery part

Pyrolysis
Gasification
Combustion/Incineration

18

identify the method of thermal transofmation @ recovery part:
thermo-chemical decomposition, no oxygen

pyrolysis

19

identify the method of thermal transofmation @ recovery part:
conversion of some elements of waste system to combustible gas

gasification

20

In the transfer process, what is recommended if disposal site is relatively far (>15km); to save costs?

transfer station

21

What do you call the remaining waste after waste reduction, recycling, reuse and processing that should be properly disposed?

residual waste

22

engineered facility for the disposal of solid waste designed and operated to minimize public health and environmental impacts

sanitary landfill

23

False about protective liner
A. Made up of high-density polyethylene
B.Sensitive to acidity
C.Prevents leachates (juice from the waste)

B
resistant dapat