Cellulose is the most abundant organic polymer on earth and is used to manufacture an aerogel for butanol separation from water. It is a polysaccharide consisting of D-glucose and is inherently renewable due to its origin; green plant and bacteria cell walls. Cellulose can be accessed in its pure form from seed hairs of cotton, or in its native composite material with lignin and hemicellulose. Cellulose aerogels have received academic attention for use as an effective sorbent. Cellulose aerogels have been successfully used for the absorption of oil and dyes which can be owed to its high porosity and very low density.
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