Aplicações dos metais reciclados

Cobre

RECICLAGEM DOS METAIS

QUIMICA 12ºano

Principais aplicações do metal reciclado

Ferro

Aço

Alumínio

Chumbo

Introdução

Os metais são matérias-primas não renováveis.

A formação dos minérios teve origem na própria formação da Terra. Não é possível criar condições semelhantes para a formação de novos minerais.

Embora as reservas minerais variem muito de metal para metal, elas são sempre finitas. No caso de alguns metais de maior utilização, como, por exemplo, o cobre, são bastante escassas para o consumo atual.

A reciclagem é necessária e urgente

Backpak

Para obtenção dos metais através dos minérios é feita a redução do minério, ou seja, a separação do metal dos restantes componentes.

Este é um processo primário e é realizado a altas temperaturas com elevado consumo energético.

A reciclagem do metal é considerada um processo secundário de obtenção deste material, que neste caso, consiste na fusão do metal já usado com consumo de energia menor.

Importância da reciclagem dos metais

O metal reciclado tem praticamente todas as características do metal comum. Devido à sua estrutura cristalina os metais podem ser reciclados várias vezes, dado que essa estrutura não se degrada durante o processo de reciclagem.

Conservação dos recursos naturais

Diminuição da poluição

Economia de energia

Redução de resíduos

A reciclagem dos metais contribui para a diminuição das emissões de gases de efeito de estufa, ou seja, contribui para a redução da poluição atmosférica.

A reciclagem dos metais reduz a necessidade de exploração de minas, promovendo a economia das matérias-primas.

A reciclagem dos metais é vantajosa em termos energéticos, pois envolve menos etapas do que a exploração do metal a partir das suas fontes naturais diminuindo o uso de combustíveis fósseis

A reciclagem dos metais tem vantagens a nível ambiental, pois permite diminuir a área degradada pela extração de minério, assim como, evitar o depósito dos objetos metálicos rejeitados nas lixeiras e consequente contaminação das águas.

Pelo facto de os metais poderem ser reciclados, observa-se uma diminuição do consumo de recursos naturais e da diminuição da poluição, contribuindo, assim, para um planeta mais verde.

Aplicações de alguns metais reciclados

Aço Reciclado

É usado no fabrico de uma ampla gama de produtos: automóveis, utensílios domésticos, estruturas metálicas usadas na construção civil e embalagens.

Alumínio Reciclado

É usado em diversas aplicações, incluindo latas de bebidas, embalagens, componentes eletrónicos, janelas e portas e peças de aviões

Aplicações de alguns metais reciclados

Aço Recilado

Alumínio Reciclado

É usado em diversas aplicações, incluindo latas de bebidas, embalagens, componentes eletrónicos, janelas e portas e peças de aviões

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You're almost there!

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You have a hatchet, it might be useful to you

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It will be added to your backpack.You will need it for the days you spend on the deserted island.

GOOD!

You have a flashlight, maybe it will be useful to you

There you go!

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You have explored the entire island, managed to build a raft, but now you can't remember where you left your backpack and you'll need it before you can leave. On the map, you can see the places where your backpack might be.

Drag the parts of the map to find where you left your backpack and be able to escape from the deserted island.

Deserted Island Map

Congratulations adventurer! You have shown great bravery and wit. You have successfully overcome each challenge and have managed to build the raft that will take you back to the civilized world. May your journey back be filled with new adventures and emotions!

CONGRATULATIONS!

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Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

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Mission

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to dive into a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to dive into a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to immerse yourself in a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

O alumínio também é amplamente reciclado. Pode ser recuperado a partir de latas de alumínio, peças de automóveis, materiais de construção e outras fontes.

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to immerse yourself in a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

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Hint

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

In this window, you will find a series of key clues that will help you solve the challenges and riddles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each puzzle.

Clue

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to immerse yourself in a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to dive into a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to immerse yourself in a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

In this window, you will find a series of key clues that will help you solve the challenges and puzzles that await you on this deserted island. Remember to keep your eyes wide open and work as a team to decipher each riddle.

Clue

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to immerse yourself in a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

O aço é um dos metais mais reciclados do mundo. Pode ser obtido a partir da reciclagem de sucata de aço, como carros velhos, eletrodomésticos descartados e estruturas de construção demolidas.

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

Welcome to a new mission in our exciting adventure! In this challenging task, you will face unique obstacles that will test your wit and teamwork. Get ready to dive into a world full of mysteries and emotions, where every decision will bring you closer to victory.Let the survival begin!

A cool subtitle here

Mission

Ouch!

Don't be discouraged, the adventure is not over yet! Take a moment to rest and try again. Remember every mistake is a learning opportunity that will bring you closer to victory. Cheer up, brave adventurer!

even the greatest explorers faced unexpected challenges

Don't give up!

O alumínio também é amplamente reciclado. Pode ser recuperado a partir de latas de alumínio, peças de automóveis, materiais de construção e outras fontes.

O aço é um dos metais mais reciclados do mundo. Pode ser obtido a partir da reciclagem de sucata de aço, como carros velhos, eletrodomésticos descartados e estruturas de construção demolidas.