Isolation and Characterization of Nanocellulose Obtained from Industrial Crop Waste Resources by Using Mild Acid Hydrolysis

• 作者: Galia Moreno Guillermo Jimenez Karla Ramirez Marianelly Esquivel
• 来源期刊: 可再生材料杂志(英文)
• 学科: 化学
• 关键词: Cellulose PINEAPPLE leaf SUGARCANE BAGASSE banana RACHIS WHISKERS
• 年，卷（期）: 2018,（4）
• 页码范围: 362-369
• 页数: 8页
• 分类号: O62

摘要

Cellulose,microcrystalline cellulose and nanocellulose were prepared from three agricultural waste resources:pineapple leaf(PALF),banana rachis(BR),and sugarcane bagasse(SCB).Each waste resource was first converted into microcrystalline cellulose which was subsequently converted into cellulose nanoparticles by using mild(30%w/v)and strong(60%w/v)sulfuric acid concentrations for extraction.Fourier transform infrared spectroscopy(FTIR),X-ray diffraction(XRD),and thermogravimetric analysis(TGA)were used to characterize each waste resource and extracted cellulosic materials.Furthermore,nanocelluloses were studied by zeta potential,size analysis,and transmission electron microscopy(TEM).Cellulose nanowhiskers were successfully obtained and isolated with a 33%average yield by applying a mild acid treatment.Substrates BR and SCB proved to be more promising agricultural waste resources in terms of their crystalline cellulosic content and properties.