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Nanocellulose production from marine macroalgae of Alagoas coast through the enzymatic route: obtention, characterization and economic feasibility


Studies aiming a low carbon economy, with the premise of sustainable exploitation of renewable resources to offer concrete solutions to the great challenges of social, economic and environmental areas are increasingly needed for the development and innovation of industrial processes in the so-called bioeconomy. Considering that cellulose is the most abundant carbohydrate in nature, formed by crystalline domains and other amorphous domains, and obtained mainly from lignocellulosic raw materials, its application as feedstock for new biomaterials is a promising option for the substitution of non-renewable sources Among these biomaterials, nanocellulose has shown a remarkable potential for various types of applications, such as additives for composites, polymer and paper reinforcement, emulsions and others. In the last decades, many different raw materials have been used to obtain nanocellulose, such as wood, agroindustrial residues, and more recently, seaweed.Thus, it is of great interest to investigate the use of potential macroalgae obtained from the coast of the State of Alagoas to produce nanocellulose using enzymatic hydrolysis combined with physical treatments. The nanocellulose obtained will be compared with two products: that obtained from macroalgae by the conventional acid method and the nanocellulose obtained from a model cellulosic raw material such as eucalyptus pulp. In addition, an economic feasibility study of macroalgae nanocellulose production will be performed using mathematical modeling of the process including numerical simulation, life cycle analysis and economic potential of the obtained nanocelulose. (AU)

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Scientific publications (11)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FREITAS, V, JULIANA; BILATTO, STANLEY; SQUINCA, PAULA; PINTO, ARIANE S. S.; BRONDI, MARIANA G.; BONDANCIA, THALITA J.; BATISTA, GUSTAVO; KLAIC, RODRIGO; FARINAS, CRISTIANE S.. Sugarcane biorefineries: potential opportunities towards shifting from wastes to products. INDUSTRIAL CROPS AND PRODUCTS, v. 172, . (16/10636-8, 19/25261-8, 17/21173-1, 18/10899-4)
KATAYAMA, ERIC; RODRIGUES, NATALIA A.; BILATTO, STANLEY; CASCIATORI, FERNANDA P.; FARINAS, CRISTIANE S.. Nanocellulose isolation using a thermostable endoglucanase-rich cocktail from Myceliophthora thermophila cultivated in a multilayer packed-bed bioreactor. BIOMASS CONVERSION AND BIOREFINERY, v. N/A, p. 16-pg., . (16/10636-8, 18/00996-2, 18/10899-4, 19/25261-8)
VELLOSO, CAMILA C. V.; LOPES, MARINA M.; BADINO, ALBERTO C.; FARINAS, CRISTIANE S.. Exploring the roles of starch for microbial encapsulation through a systematic mapping review. Carbohydrate Polymers, v. 306, p. 17-pg., . (19/25261-8, 16/10636-8)
LOPES, MARINA MOMESSO; DE OLIVEIRA-PAIVA, CHRISTIANE ABREU; FARINAS, CRISTIANE SANCHEZ. Modification of pectin/starch-based beads with additives to improve Bacillus subtilis encapsulation for agricultural applications. International Journal of Biological Macromolecules, v. 246, p. 10-pg., . (19/25261-8, 16/10636-8)
SIMOES, IGOR R.; BRONDI, MARIANA G.; FARINAS, CRISTIANE S.. In-House Extracted Soybean Protein Can Reduce the Enzyme Dosage in Biomass Saccharification. FERMENTATION-BASEL, v. 9, n. 2, p. 11-pg., . (19/25261-8, 16/10636-8)
BONDANCIA, THALITA J.; BATISTA, GUSTAVO; DE AGUIAR, JESSICA; LOREVICE, MARCOS, V; CRUZ, ANTONIO J. G.; MARCONCINI, JOSE M.; MATTOSO, LUIZ H. C.; FARINAS, CRISTIANE S.. Cellulose Nanocrystals from Sugar Cane Bagasse Using Organic and/or Inorganic Acids: Techno-Economic Analysis and Life Cycle Assessment. ACS SUSTAINABLE CHEMISTRY & ENGINEERING, v. 10, n. 14, p. 17-pg., . (16/10636-8, 19/25261-8)
BONDANCIA, THALITA J. J.; FLORENCIO, CAMILA; BACCARIN, GRAZIELA S. S.; FARINAS, CRISTIANE S. S.. Cellulose nanostructures obtained using enzymatic cocktails with different compositions. International Journal of Biological Macromolecules, v. 207, p. 9-pg., . (16/10636-8, 19/15400-0, 19/05159-4, 19/25261-8)
BILATTO, STANLEY; FARINAS, CRISTIANE S.. Recent Developments on Nanocellulose-Based Energy Systems. Brazilian Journal of Physics, v. 52, n. 3, p. 8-pg., . (16/10636-8, 19/25261-8, 18/10899-4)
SQUINCA, PAULA; BILATTO, STANLEY; BADINO, ALBERTO C.; FARINAS, CRISTIANE S.. The use of enzymes to isolate cellulose nanomaterials: A systematic map review. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS, v. 3, p. 15-pg., . (16/10636-8, 19/25261-8, 18/10899-4)
BRONDI, MARIANA; FLORENCIO, CAMILA; MATTOSO, LUIZ; RIBEIRO, CAUE; FARINAS, CRISTIANE. Encapsulation of Trichoderma harzianum with nanocellulose/carboxymethyl cellulose nanocomposite. Carbohydrate Polymers, v. 295, p. 9-pg., . (19/05159-4, 16/10636-8, 19/25261-8)
VELLOSO, CAMILA CRISTINA VIEIRA; CAMARGO, BRUNA CERRI PEREIRA; SOUSA, MARINA DEL BIANCO; BUFFO, MARIANE MOLINA; PAIVA, CHRISTIANE ABREU DE OLIVEIRA; FARINAS, CRISTIANE SANCHEZ; BADINO, ALBERTO COLLI. High yield of heat-resistant spores of Bacillus megaterium in bioreactors. Biochemical Engineering Journal, v. 198, p. 10-pg., . (19/25261-8, 16/10636-8)

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