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Author(s): VAZ JUNIOR, S.

A formulation that uses lignin obtained by precipitation of black liquor from the kraft pulping process of the pulp and paper industry as an inert material for adsorption and desorption of the semioch... ...

Repository: BDPA     Publication year: 2021

Author(s): FREITAS, A. J. de; SOUZA, N. L. V. S.; SILVA, K. F. e; SANTOS, V. W. R. dos; VALENTE, I. L.; DIAS, M. V.; MARCONCINI, J. M.; MORI, F. A.

In the present study, soy protein isolate (SPI) multifunctional bioplastics were prepared by casting, with the addition of tannins extracted from Stryphnodendron adstringens and kraft lignin. The film... ...

Repository: BDPA     Publication year: 2022

Author(s): VAZ JUNIOR, S.; SALVADOR, C. E.

An innovative process of structural modification of kraft lignin (KL) followed by the incorporation of the herbicide picloram (C6H3Cl3N2O2; CAS 1918-02-1) was developed by means the methoxylation reac... ...

Repository: BDPA     Publication year: 2022

Author(s): VAZ JUNIOR, S.; BARRETO, A. E.; SAMPAIO, B. L.

The lignin fraction of the lignocellulosic biomass corresponds to 15–30 % wt. This is largely obtained as a by-product of wood pulping to produce cellulose and paper, with the kraft process being the... ...

Repository: BDPA     Publication year: 2025

Author(s): VAZ JUNIOR, S.; GALARZA, F.; POMPEU, G. C.; BARBOSA, H. P.; SUSSEL, A. A. B.

The search for alternatives to conventional agrochemicals presents itself as an excellent opportunity to develop sustainable, carbon-neutral agricultural technologies and to open new businesses. The u... ...

Repository: BDPA     Publication year: 2025

Author(s): BARBOSA, B. M.; VAZ JUNIOR, S.; COLODETTE, J. L.; SIQUEIRA, H. F. de; SILVA, C. M. S. da; CÂNDIDO, W. L.

Repository: BDPA     Publication year: 2022

Author(s): VAZ JUNIOR, S.; MAGALHAES, W. L. E.; COLNAGO, L. A.; LEAL, W. G. de O.

A presente Metodologia descreve a aplicação otimizada das técnicas analíticas ATG, BET, 13C-RMN, DSC, FTIR, MEV-EDS, Py-GC-MS e SEC -ELSD na caracterização físico-química de uma amostra de lignina kra... ...

Repository: BDPA     Publication year: 2020

Author(s): VAZ JUNIOR, S.; MATIAS, A. E. B.; SAMPAIO, B. L.

Resumo: A biomassa lignocelulósica apresenta-se como uma fonte promissora de matéria-prima renovável que, por meio dos processos de conversão, leva à obtenção de produtos de alto valor agregado, como... ...

Repository: BDPA     Publication year: 2021

Author(s): VICTOR, P. A.; GONCALVES, S. B.; MACHADO, F.

A modified sequential mass-suspension polymerization was employed to ensure adequate dispersion of lignin into the monomeric phase. Due to its complex macromolecular structure and low compatibility wi... ...

Repository: BDPA     Publication year: 2018

Author(s): MENDES, I. V.; GARCIA, M. B.; BITENCOURT, A. C. A.; SANTANA, R. H.; LINS, P. de C.; SILVEIRA, R.; SIMMONS, B. A.; GLADDEN, J. M.; KRUGER, R. H.; QUIRINO, B. F.

Abstract:Lignin is nature?s largest source of phenolic compounds. Its recalcitrance to enzymatic conversion is still a limiting step to increase the value of lignin. Although bacteria are able to degr... ...

Repository: BDPA     Publication year: 2021

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