which sensors I can use to differentiate these materials:
- Plastic
- Metal
- Paper
- Organic waste

 

Maybe some form of spectroscopy?

 

Hello,

There are to many possibilities.
Think of how many plastics there are : PVC,PE,HDPE,ABS etc.
https://en.wikipedia.org/wiki/Plastic
Think about how many metals there are : copper, iron, gold, silver etc.
https://en.wikipedia.org/wiki/Metal
As for the paper, there are glossy, coated and raw papers(like in newspapers).
https://en.wikipedia.org/wiki/Paper
What kind of organic waste are you thinking of?

When using the method @kubeek mentioned, you will need reference spectra for the comparisson.

Bertus

 

which sensors I can use to differentiate these materials:
- Plastic
- Metal
- Paper
- Organic waste

Typically, two major methods of separating recyclables. hand sorting as material passes on a conveyor belt AND/OR grinding/milling process followed by some type of air classifier (wind sifter) or other buoyancy/momentum technique. Paper and plastic bags are difficult to separate and significant overlap occurs.

Machine vision is growing in use but only at the biggest sorting centers.

 

which sensors I can use to differentiate these materials:
- Plastic
- Metal
- Paper
- Organic waste

English Lit students, poets, music majors ...

 

English Lit students, poets, music majors ...

That post was the best of the week!

 

See the deletions @ronv? I told you that kind of joke was not acceptable on this site.

 

See the deletions @ronv? I told you that kind of joke was not acceptable on this site.

I'm so confused! I can't remember what I said.

 

I'm so confused! I can't remember what I said.

I'm the person who did a crude joke about The Donald. You just asked me to please do it.
I said it wasn't acceptable here, and some moderator(s) decided I was correct.

 

I'm the person who did a crude joke about The Donald. You just asked me to please do it.
I said it wasn't acceptable here, and some moderator(s) decided I was correct.

Whew, I really couldn't remember saying anything bad.
But I really did want to hear it!
Can you PM it to me?
By the way. Shame on you!

 

You missed the joke? PM done.

 

You missed the joke? PM done.

Shame on me! I should have known.