Takeaway: Dyed without waste

Would you drink this water?

It has been used to dye fabrics.

It is full of colorants, chemicals and salts.

How do you clean it in efficient, affordable ways?

This recycling unit in Belgium is testing new approaches.

Metals and colorants are first trapped.

Salt and small particles are then filtered.

Researches say that the resulting water can be safely reused to dye more fabrics.