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Recycle multilayer plastic " Bag-in-box "

This topic contains 1 reply, has 2 voices, and was last updated by  Marc Vruggink 1 month ago.

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Quentin watese

Recycle multilayer plastic " Bag-in-box "

18/08/2019 at 20:21

Hi everyone,
I’m engaged in a french startup to change the way we consume liquide product to zero waste way (http://www.jeanbouteille.fr/en . Our last waste are Bag-in-box.  Today there are no solution to recycle it.   I’m looking for solutions to recycle  Bag-in-box (multilayer plastic).

You have tow type of Bag-in-box , one for food and the other one for non-food

Food bag-in-box (composition) 
-The plastic bag are composed of 2 flexibles  layer (EVOH & LVPDE)
-The tap (VITOP) are composed of 3 plastic (PP, HDPE, élastomère)
-The neck are made with LDPE

Food bag-in-box (composition) 
-The plastic bag are composed of 2 flexibles  layer (EVOH & LVPDE)
-The tap (VOP) are composed of 2 plastic (PP & LVPDE )
-The neck are made with PEBDL

You can find the technicals information here 
Looking forward to hear you soon 😉

Quentin Testa

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starter
28/08/2019 at 09:43
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Hey Quentin,

At first, I was a a little confused by the polymer names you used. Some of them were actually the French abreviations. Let me reformulate with english terms
“Food bag-in-box (composition)
-The plastic bag are composed of 2 flexibles  layer (EVOH & VLDPE)
-The tap (VITOP) are composed of 3 plastic (PP, HDPE, élastomère)
-The neck are made with LDPE

Non-Food bag-in-box (composition) 
-The plastic bag are composed of 2 flexibles  layer (EVOH & VLPDE)
-The tap (VOP) are composed of 2 plastic (PP & LDPE )
-The neck are made with LLDPE ”

I didn’t know about EVOH so far, but did a quick research. According to a study by EVAL, it has been demonstrated that EVOH does not affect the recycling stream of PP and HDPE. Here’s another link suggesting that EVOH/PE multilayer can be recycled in the usual streams. So I think you could try recycling the plastic bags.

As the taps are composed of a mix of PP and (HD)PE, I would remove the taps and try recycling the plastic bags and necks. Precious plastic ideas can probably be applied for these tests, then it depends on the scale you want to implement their recycling.

Best,
Marc

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