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Catalysts of Cu(II) and Co(II) ions adsorbed in chitosan used in transesterification of soy bean and babassu oils – A new route for biodiesel syntheses

2008; Elsevier BV; Volume: 99; Issue: 15 Linguagem: Inglês

10.1016/j.biortech.2008.01.047

1873-2976

Rondinelly Brandão da Silva, Alcides Fernandes Lima Neto, Lucas Samuel Soares dos Santos, José Renato de Oliveira Lima, Mariana Helena Chaves, José Ribeiro dos Santos Júnior, Geraldo Μ. de Lima, Edmílson Miranda de Moura, Carla Verônica Rodarte de Moura,

Enzyme Catalysis and Immobilization

Catalysts of Cu(II) and Co(II) adsorbed in chitosan was used in transesterification of soy bean and babassu oils. The catalysts were characterized by infrared, atomic absorption and TG, and biodiesels was characterized by infrared, NMR, CG, TG, physic chemistry analysis. The maximum adsorption values found for copper and cobalt cations were 1.584 and 1.260 mg g−1, respectively, in 180 min. However, conversion of oils in biodiesel was better when used Co(II) adsorbed in chitosan.