Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Environment Science and Engineering > Solid Waste > Flashcards

Solid Waste Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

these are the discarded solid substances generated from human activities and having no
more value with respect to its economic, physiological or technological process

A

solid waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Classifications of Solid Waste. (10)

A

Organic waste
Biodegradable wastes
Non-biodegradable wastes
Combustibles
Non-combustibles
Toxic wastes –
Recyclables
Construction wastes
Hazardous wastes
Bulky wastes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

These are the wastes generated during the preparation of food like
vegetables, flowers, leaves, fruits, and other wastes from market places

A

organic wastes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Wastes that come from plants or animals that can be degraded by
other living organisms, often used for composting, If processed, this can be a source of
heat, electricity and fuel. These include human waste, manure, sewage, slaughterhouse
waste.

A

biodegradable waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Waste that cannot be broken down by other living organisms

A

non-biodegradable waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

These are usually organic waste having low moisture content. Examples
are paper, wood, dried leaves, etc.

A

combustibles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

These includes metals, tins, cans, bottles, stones, etc.

A

non-combustibles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Examples are old medicines, paints, chemicals, bulbs, spray cans,
fertilizer and pesticide containers, batteries, shoe polish.

A

toxic wastes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

These wastes can be recycled or used again for the same or different
purpose. These includes paper, glass, metals, plastics, etc.

A

recyclables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

These wastes consist of unwanted materials that are produced
directly or indirectly from the manufacturing, assembly and other construction processes.
Examples of these are rubble, roofing, broken concrete, nails, electrical wiring, etc.

A

construction wastes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

These waste are considered harmful and dangerous and can consist
of medical waste, industrial waste and hospital waste.

A

hazardous wastes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  • Examples of these are tree branches, tires etc.
A

bulky wastes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Sources of Solid Wastes (8)

A

Residential
Industrial
Commercial
Institutional
Construction and Demolition Areas
Municipal Services
Agriculture
Biomedical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

_____________ can be attributed to the collection and treatment of solid wastes.
This is imperative because waste that are collected but are not treated can result to some
environmental and human problems

A

solid waste management

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

5Rs

A

refuse
reduce
reuse
repurpose
recycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The first in the hierarchy of 5R’s and is the best way to minimize waste

A

refuse

17
Q

Reducing the amount of waste is one of the best things that all of us can do

A

reduce

18
Q

One important thing that an individual can do is to reuse waste materials.

A

reuse

19
Q

If an item cannot be refused, reduced or reused, the option will be to

A

repurpose

20
Q

In this way, new
product is formed.

A

recycle

21
Q

Essential Components of the Waste Management System: (5)

A

Waste generation
Onsite handling, storage, and processing
Waste collection, transfer and transport
Waste processing and recovery
Disposal

22
Q

Thermal Processes of Solid Waste Management Techniques (5)

A

A. Solid Waste Incineration
B. Pyrolysis
C. Pyrolysis / Gasification
D. Conventional Gasification
E. Plasma Arc Gasification

23
Q

Biological Processes of Solid Waste Management Techniques. (2)

A

A. Composting/ Aerobic Digestion
B. Anaerobic Digestion

24
Q

Other Processes of Solid Waste Management Techniques (2)

A

A. Recycling
B. Landfill

25
Q

Process that converts waste material into gas, ash and heat

A

Solid Waste Incineration

26
Q

Thermal decomposition of carbon-based materials that produce syngas.

A

Pyrolysis

27
Q

there is an additional reactor added to promote gasification of the
carbon char or pyrolysis liquids that is formed from the initial pyrolysis step

A

Pyrolysis / Gasification

28
Q

A thermal method where carbonaceous materials are converted into syngas using a
limited amount of air or oxygen.

A

Conventional Gasification

29
Q

A high temperature pyrolysis process that coverts carbon-based materials into
syngas

A

Plasma Arc Gasification

30
Q

Involves the conversion of organic materials such as yard trimmings, food scraps,
coffee grounds and filters, tea leaves, herbs, spices, nuts and egg shells as well as
cut flowers or plant trimmings, as long as they aren’t diseased to prevent the
emission of harmful greenhouse gasses

A

Aerobic Digestion/Composting

31
Q

Important Factors to be Considered During Composting (5)

A

Feedstock and Nutrient Balance
Particle Size
Moisture Content
Oxygen Flow
Temperature

32
Q

Produces renewable energy that avoids carbon emissions. A process that is dependent on the micro-organisms that digest organic waste
and takes place in the absence of oxygen in a sealed tank

A

Anaerobic digestion of Organic Waste

33
Q

is a simple way in which everyone can contribute to make the world a better
place to live

A

RECYCLING

34
Q

Recycling Symbols and Materials

A

Recycling Symbol #1
Recycling Symbol #2
Recycling Symbol #3
Recycling Symbol #4
Recycling Symbol #5
Recycling Symbol #6

35
Q

The refuse collected
is basically spread out in thin layers and compressed.

A

sanitary landfills

36
Q

Essential Requirements for Solid Waste Disposal Site (5)

A

Technical requirements
Environmental requirements
Social requirements:
Economic requirements
Institutional requirements

37
Q

Adverse Impacts from Landfill Operations (5)

A

Fatal accidents
Infrastructure damage
Pollution of the local environment
Production of methane gas generated by decaying organic wastes
Harboring of disease vectors

Environment Science and Engineering (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions