assessment of solid waste management Flashcards

1
Q

it refers to non-liquid unwanted/useless materials from domestic, trade, commercial, industrial, and mining activities and from public services

A

solid waste
also known as rubbish, refuse, garbage, junk (dust, food wastes, packaging in the form of paper, metals, plastics or glass, discarded clothing and furnishing)

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2
Q

how does solid waste contributes to environmental proble,s

A

as human beings produce domestic waste at all levels (kitchen waste, ashes from fires, broken utensils and worn out clothing)

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3
Q

biodegradable vs non biodegradable waste materials

A

BIODEGRADABLE WASTE MATERIALS
they can be broken down by biological processes and absorbed by environment

decomposers - fungi and bacteria, breaks down biodegradable material. once broken, they can be reused by other organisms

scavengers - vulture and insects help recycle organic waste

NONBIODEGRADABLE WASTE MATERIALS
it is made form synthetic materials and cannot be broken down by biological processes

synthetic materials are made by combining chemicals to form compound s that do not form naturally (polyester, nylon and plastic

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4
Q

plastics are made from

A

petroleum or natural gas (made of C and H) but in plastics, these elements are put tgt in molecular chains that r not found in nature

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5
Q

how long do plastic last for

A

last for hundreds of years

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6
Q

it is produced by mines, agriculture and industries that supply people with goods and services.

A

industrial solid waste

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7
Q

how does consumers indirectly create industrial solid waste

A

purchasing products that have been manufactured (scrap metals, plastics, paper, sludge and ash)

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8
Q

what waste is left from mining

A

rocks and minerals that are left exposed in large heaps is dumped in oceans or rivers or is disposed of by refilling and landscaping abandoned mines.

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9
Q

how much does agriculture waste make up of the solid waste

A

9% - the total solid waste produced and includes crop waste and manure

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10
Q

why is the increasing use of fertilizers and pesticides causes agricultural waste to become more difficult to dispose of

A

waste may be harmful if returned to the soil

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11
Q

these are garbage trash combined solid waste from homes and workplaces

A

MSW municipal solid waste
such as paper/ cardboard, food wastes, cans, bottles, glass, wood

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12
Q

it is most of what we throw out on a-day-day basis

A

MSW municipal solid waste

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13
Q

what is the percentage f residential waste of the municipal solid waste

A

56.7% - include kitchen scraps, yard waste, paper and cardboards, glass bottles

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14
Q

it threatens human health or the environment because it is poisonous, dangerously chemically reactive, corrosive and flammable.

A

hazardous/toxic solid waste
(industrial solvents, hospital medical waste, car batteries)

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15
Q

4 main aspects of solid waste management

A

storage at or near the point of generation
collection
cleansing
disposal

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16
Q

solid waste management

A

landfill
it is a permanent waste-disposal facility where wastes are put in the grnd and covered each day with a layer of soil, plastic or both

17
Q

what is the purpose of landfill

A

to contain the waste buried inside and to keep the waste from causing problems with the environment.
waste must not come into contact with the soil and ground water that surrounds the landfill

18
Q

how many of the municipal
and manufacturing solid waste created in the Philippines ends up in landfills

A

more than 50%

19
Q

problem with landfills: leachate

A
20
Q

problem with landfills: production of methane gas

A
21
Q

problem with landfills: the payatas dumpsite

A
22
Q

safeguarding landfills

A
22
Q

incinerators

A
23
Q

what are the health and environmental implication

A
24
Q

importance of solid waste management: environmental preservation

A
25
Q

importance of solid waste management:
public health protection

A
26
Q

importance of solid waste management:
well-being of the community

A
27
Q

reducing solid waste

A
28
Q
A