Sustainable applications in nanocellulose-based sorbent composite: a technological monitoring.

Nanocellulose-based materials have attracted the scientific community's attention due to their abundance in nature, biocompatibility, high surface area, high strength, low toxicity, and low production cost. These environmental-friendly materials have potential applications for developing hydrogels, aerogels, electrodes, adsorbents, packaging films, membranes, nano papers, filters, biomaterials for biomedical, and composites. The present work monitors scientific reports and patent databases of recent achievements on nanocellulose-based composites used as sorbent materials. Most of the pieces found used non-wood, wood, agro-waste, and microorganism sources to obtain nanocellulose. The search identifies most applications were for removing dyes, heavy metals, odor, organic particles from water, and absorption of hemoglobin and immunoglobulin. In addition, it was possible to confirm fifty patent applications on nanocellulose-based sorbent composites. This review was relevant to evaluate the potentiality of applications about nanocellulose as a based sorbent in composites, giving a systematic overview of what has been made and what could be the new potential sources and applications that would be used in future works of this material. [ABSTRACT FROM AUTHOR]