￼Flotation Deinking is the industrial process of removing printing ink from paper fibers of recycled paper to make deinked pulp. In Europe the most common process is froth flotation deinking (download pdf).
Biopolymers from sustainable resources are being considered as alternatives to commodity synthetic polymers. Keratin from wool wastes can be used to prepare biodegradable new products for biomedical fields and filtration systems for water depuration and air cleaning.(download pdf)