Subjects

Chemistry

The earth & atmosphere

Resources from the earth

How We Use and Recycle Plastics, Glass, and Metal

Name: Knowunity
Brand: Knowunity

View

How We Use and Recycle Plastics, Glass, and Metal

Knowunity Cyborg

@knowunitycyborg

84 Followers

A comprehensive guide to Earth's resources and chemical processes focusing on sustainable material usage and water treatment. The content explores Life cycle assessment of plastics from crude oil, Sustainable methods for obtaining potable water, and Recycling and reusing glass and metal materials.

• Earth's resources are utilized for essential human needs including warmth, shelter, food, and transport
• Life Cycle Assessments (LCA) evaluate environmental impacts across product lifecycles
• Sustainable practices emphasize reducing, reusing, and recycling of materials
• Water treatment processes ensure safe drinking water through filtration and sterilization
• Chemical processes including corrosion prevention and fertilizer production are crucial for resource management
• Modern techniques focus on sustainable extraction methods for metals and other materials

21/11/2022

462

Earth's
resources
Chemistry
and
resources
Plastics
LCAS
Values
Used to provide
warmth, shelter,
food and transport
for humans
Research and
t

View

Chemical Processes and Material Protection

This section delves into chemical processes related to material protection and agricultural enhancement. The content covers corrosion prevention, fertilizer production, and acid treatments.

Definition: Corrosion is defined as the destruction of materials through chemical reactions with environmental substances.

Example: Iron rusting is a common form of corrosion where iron reacts with oxygen in the presence of water to form iron oxide.

Highlight: NPK fertilizers contain essential elements - Nitrogen, Phosphorous, and Potassium - crucial for plant growth.

Vocabulary: Sacrificial corrosion protection involves using a more reactive metal to protect a less reactive one, such as zinc galvanization of iron.

The section emphasizes various protection methods including coatings, treatments, and chemical processes used in fertilizer production, demonstrating the practical applications of chemistry in resource management.

View

Earth's Resources and Sustainability

This section explores the fundamental aspects of Earth's resources and their sustainable utilization. Natural and finite resources provide essential materials for human survival and industrial processes. The text emphasizes the importance of sustainable resource management through various recycling and reuse strategies.

Definition: Life Cycle Assessment (LCA) is a comprehensive evaluation method that assesses environmental impacts throughout a product's lifetime.

Example: Plastics production traditionally uses ethene from crude oil, but sustainable alternatives now include ethanol from renewable crop fermentation.

Highlight: The three R's strategy - Reduce, Reuse, and Recycle - is fundamental to sustainable resource management.

Vocabulary: Potable water refers to water that is safe for human consumption, containing low levels of dissolved salts and minimal microbes.

The section also covers water treatment processes, including desalination and sewage treatment, highlighting the importance of sustainable water management practices.

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Download in

Google Play

Download in

App Store

Knowunity is the #1 education app in five European countries

4.9+

Average app rating

15 M

Pupils love Knowunity

#1

In education app charts in 12 countries

950 K+

Students have uploaded notes

Still not convinced? See what other students are saying...

iOS User

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

Philip, iOS User

The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

I love this app ❤️ I actually use it every time I study.

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Subjects

Chemistry

The earth & atmosphere

Resources from the earth

How We Use and Recycle Plastics, Glass, and Metal

Knowunity Cyborg

@knowunitycyborg

84 Followers

21/11/2022

462

11/9

Chemistry

Chemical Processes and Material Protection

This section delves into chemical processes related to material protection and agricultural enhancement. The content covers corrosion prevention, fertilizer production, and acid treatments.

Definition: Corrosion is defined as the destruction of materials through chemical reactions with environmental substances.

Example: Iron rusting is a common form of corrosion where iron reacts with oxygen in the presence of water to form iron oxide.

Highlight: NPK fertilizers contain essential elements - Nitrogen, Phosphorous, and Potassium - crucial for plant growth.

Vocabulary: Sacrificial corrosion protection involves using a more reactive metal to protect a less reactive one, such as zinc galvanization of iron.

Earth's Resources and Sustainability

Definition: Life Cycle Assessment (LCA) is a comprehensive evaluation method that assesses environmental impacts throughout a product's lifetime.

Example: Plastics production traditionally uses ethene from crude oil, but sustainable alternatives now include ethanol from renewable crop fermentation.

Highlight: The three R's strategy - Reduce, Reuse, and Recycle - is fundamental to sustainable resource management.

Vocabulary: Potable water refers to water that is safe for human consumption, containing low levels of dissolved salts and minimal microbes.

The section also covers water treatment processes, including desalination and sewage treatment, highlighting the importance of sustainable water management practices.

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Download in

Google Play

Download in

App Store

4.9+

Average app rating

15 M

Pupils love Knowunity

#1

In education app charts in 12 countries

950 K+

Students have uploaded notes

Still not convinced? See what other students are saying...

iOS User

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

Philip, iOS User

The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

How We Use and Recycle Plastics, Glass, and Metal

Chemical Processes and Material Protection

Earth's Resources and Sustainability

Similar content

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

4.9+

15 M

#1

950 K+

Still not convinced? See what other students are saying...

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

The app is very simple and well designed. So far I have always found everything I was looking for :D

I love this app ❤️ I actually use it every time I study.

How We Use and Recycle Plastics, Glass, and Metal

Chemical Processes and Material Protection

Earth's Resources and Sustainability

Similar content

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

4.9+

15 M

#1

950 K+

Still not convinced? See what other students are saying...

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

The app is very simple and well designed. So far I have always found everything I was looking for :D

I love this app ❤️ I actually use it every time I study.