New polyoxometalate promoted method of oxygen delignification

Holzforschung

Volumn 51, Issue 4, 1997, Pages 338-342

  Evtuguin, D V ^a   Pascoal Neto, C ^a  

^a UNIVERSITY OF AVEIRO   (Portugal)

Author keywords

Bleaching; Lignin; Organosolv; Oxygen delignification; Polyoxometalate; Pulping

Indexed keywords

EID: 0001225352     PISSN: 00183830     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (21)

1. Courtin, P. 1971. Heteropolyanions molybdique et tungstique substitués par le vanadium V. II. Composés a forte teneur en vanadium. Rev. Chim. Mineral 8, 221-240.
2. Deineko, I.P., O.V. Makarova, and M.Ya. Zarubin. 1992. Delignification of wood in low molecular weight alcoholic media. Tappi J. 75(9), 136-140.
3. Evtuguin, D.V., A.A. Shatalov, and N.G. Kostukevich. 1995. Degradation of polysaccharides under conditions of oxygen delignification in organic solvent media. Proc. 8th Intern. Symp. on Wood and Pulping Chem. Helsinki, Finland. Vol. 2, pp. 325-330.
4. Evtuguin, D.V., C. Pascoal Neto, and A.J.D Silvestre. 1997. Condensation reactions of lignin during oxygen delignification under acidic conditions. J. Wood Chem. Technol. 17 (1), in press.
5. Evtuguin, D.V. and C. Pascoal Neto. 1996. Process of oxidative delignification of lignocellulosics in the presence of heteropolyanions. Patent pending N 101857 (Portugal).
6. Hill, C.L. and M. Prosser-McCartha. 1995. Homogeneous catalysis by transition metal oxygen anion clusters. Coord. Chem. Rev. 143, 407-455.
7. Kozhevnikov, I.V. 1993. Fine organic synthesis with the aid of heteropolycompounds. Russian Chem. Rev. (Engl. transl.) 62, 473-492.
8. Kozhevnikov, I.V. and K.I. Matveev. 1983. Homogeneous catalysts based on heteropoly acids. Appl. Catalysis 5, 135-150.
9. Kuznetsova, L.I., E.N. Yurchenko, R.I. Maksimovskaya, N.P. Kirik, and K.I. Matveev, 1977. About state of phosphomolybdovanadate heteropoly-blues in aqueous solutions. Koord. Khimia 3, 51-58.
10. Kuznetsova, L.I., V.M. Berdnikov, E.N. Yurchenko, K.I. Matveev, and N.P. Kirik. 1978. Studies on mechanism of molybdovanadophosphate heteropoly-blues oxidation by dioxygen. In: The Properties and Applications of Heteropolyacids in Catalysis. Nauka, Novosibirsk, p. 197.
11. Matveev, K.I., N.B. Shitova, Z.P. Pai, V.F. Odiakov, O.K. Akmalova, L.I. Kuznetsova, T.A. Basalaeva, A.B. Rumiantsev, and L.N. Shadrin. 1972. Catalyst for liquid phase oxidation of ethylene in acetaldehyde. SU Patent 421226 Int. Cl. B01 J37/04.
12. Mizuno, N. and M. Misono. 1994. Heteropolyanions in catalysis. J. Mol. Catal. 86, 319-342.
13. 5-: A kinetic and mechanistic study. J. Amer. Chem. Soc. 114, 7278-7286.
14. Ono, Y. 1992. Heteropoly acid catalysis - a unique blend of acid-based and redox properties. In: Perspectives in Catalysis. Eds. J.M. Thomas and K.I. Zamaraev. Blackwell Sci. Publ., London. pp. 431-464.
15. Pascoal Neto, C. and A. Robert. 1992. Delignification du bois d'eucalyptus (Eucalyptus globulus) en milieu acide acetique/eau. Effect de l'addition d'oxygene sous pression. Holzforschung 46 (3), 233-240.
16. Pope, M.T. 1983. Heteropoly and Isopoly Oxometalates. Springer-Verlag, Berlin.
17. nd Europ. Workshop on Lignocellulosics and Pulp, Grenoble, France. pp. 33-34.
18. Weinstock, I.A., R.H. Atalla, C.H. Hill, R.S. Reiner, and C.J. Norman. 1995. Highly selective oxidative delignification of kraft pulp by water soluble polyoxometalates. Proc. 8th Intern. Symp. on Wood and Pulping Chem., Helsinki, Finland. Vol. 1, pp. 369-376.
19. Weinstock, I.A., R.H. Atalla, R.S. Reiner, M.A. Moen, and K.E. Hammel. 1996a. Polyoxometalate delignification of kraft pulp: Kinetics and mechanism. Proc. of Int. Pulp Bleaching Conf., Atlanta, USA, 481-483.
20. Weinstock. I.A., R.H. Atalla, R.S. Reiner, M.A. Moen, and K.E. Hammel. 1996b. A new environmentally benign technology and approach to bleaching kraft pulp. Polyoxometalates for selective delignification and waste mineralization. New J. Chem. 20, 269-275.
21. Zarubin, M.Ya., I.P. Deineko, D.V. Evtuguin, and A. Robert. 1989. Delignification by oxygen in acetone-water media. Tappi J. 72 (11), 163-168.