Study of the conversion of Kraft lignin on coals with different surface áreas

• Grant number: 14/12918-5
• Support Opportunities: Scholarships in Brazil - Master
• Start date: October 01, 2014
• End date: July 31, 2016
• Field of knowledge: Engineering - Aerospace Engineering
• Agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
• Principal Investigator: Mirabel Cerqueira Rezende
• Grantee: Tayra Rodrigues Brazil
• Host Institution: Instituto de Ciência e Tecnologia (ICT). Universidade Federal de São Paulo (UNIFESP). Campus São José dos Campos. São José dos Campos , SP, Brazil

Abstract

Biomass is a renewable resource used for bioenergy production, whose importance is growing every day, due to environmental concerns and the oil crisis. These concerns have aroused the interest of optimizing the use of available biomass, both in the availability of other more efficient renewable sources of generating energy, such as coal obtained from the thermal conversion of lignin, as other products with higher added value. Lignin is a biopolymer present in the cell walls of plants, available in large quantities in companies that produce pulp and paper. Being that main use of lignins involves the power generation through its direct burning. However, considering that the chemical structure of lignin is rich in aromatic rings more noble applications of this material are investigated, such as carbons with different surface areas applicable both in power generation and adsorption of pollutants and catalyst support, for example. Thus, the aim of this project involves the physicochemical characterization of lignin, its thermal conversion into coal, followed by chemical and/or microwave plasma treatments, in order to increase its surface area, aiming to obtain activated carbons with different pore distributions. (AU)

Scientific publications

(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)

BRAZIL, TAYRA R.; JUNIOR, MAURO S. O.; BALDAN, MAURICIO R.; MASSI, MARCOS; REZENDE, MIRABEL C.. Effect of different superficial treatments on structural, morphological and superficial area of Kraft lignin based charcoal. VIBRATIONAL SPECTROSCOPY, v. 99, p. 130-136, NOV 2018. (14/12918-5)

BRAZIL, TAYRA RODRIGUES; COSTA, ROGERIA NUNES; MASSI, MARCOS; REZENDE, MIRABEL CERQUEIRA. Structural, morphological, and thermal characterization of kraft lignin and its charcoals obtained at different heating rates. MATERIALS RESEARCH EXPRESS, v. 5, n. 4, APR 2018. (14/12918-5)

BRAZIL, TAYRA R.; BALDAN, MAURICIO R.; MASSI, MARCOS; REZENDE, MIRABEL C.. Structural behavior of coal obtained from Kraft lignin at different carbonizing rates. MATERIALS TODAY-PROCEEDINGS, v. 4, n. 11, p. 7-pg., 2017-01-01. (14/12918-5)