Cynara cardunculus L. alkaline pulps: alternatives fibres for paper and paperboard production.

The pulping of Cynara cardunculus L. (cardoon) was performed under conditions for kraft, kraft-AQ and soda-AQ processes. The best results in terms of delignification degree, expressed as kappa number, pulp viscosity and screened yield, were obtained for the kraft-AQ process with 0.20% of anthraquinone (AQ). The papermaking potential of the selected pulp was studied attending to biometric fibre characterisation, refining aptitude, optical and strength properties. All properties were compared against a Eucalyptus globulus pulp at different refining degrees. The cardoon pulp was also evaluated concerning its potential to board manufacture, alone and in mixtures with pine pulp, giving rise to promising results for liner manufacture.

[1]  José M. Encinar,et al.  Steam gasification of Cynara cardunculus L.: influence of variables , 2002 .

[2]  Gonzalo Vázquez,et al.  Adsorption of sodium on O2-prebleached Eucalyptus globulus kraft pulp , 2002 .

[3]  M. Belgacem,et al.  Cynara cardunculus L.: chemical composition and soda-anthraquinone cooking. , 2000 .

[4]  F. Rodríguez,et al.  Ethanol-based pulping from Cynara cardunculus L , 2005 .

[5]  R. Alén,et al.  Soda-AQ pulping of reed canary grass , 2001 .

[6]  R. Kibblewhite,et al.  Hardwood market kraft fibre and pulp qualities , 1991 .

[7]  Helena Pereira,et al.  Cynara cardunculus L. — a new fibre crop for pulp and paper production , 2001 .

[8]  J. F. González,et al.  Combustion optimisation of biomass residue pellets for domestic heating with a mural boiler , 2004 .

[9]  Z. Li,et al.  Kinetics of delignification and cellulose degradation during kraft pulping with polysulphide and anthraquinone , 2002 .

[10]  I. Piscioneri,et al.  Promising industrial energy crop, Cynara cardunculus: a potential source for biomass production and alternative energy , 2000 .

[11]  Jian Zhao,et al.  Isolation and partial characterization of rennet-like proteases from Australian cardoon (Cynara cardunculus L.). , 2003, Journal of agricultural and food chemistry.

[12]  Himadri Roy Ghatak.  Papermaking potential of congress grass: Pulpability and fiber characteristics , 2002 .

[13]  Emmanuel Hidier,et al.  FAO (Food and Agriculture Organization Contact Points: of United Nations) , 2005 .

[14]  S. Ates,et al.  Optimisation of wheat straw Triticum drum kraft pulping , 2004 .

[15]  M. D. Curt,et al.  The potential of Cynara cardunculus L. for seed oil production in a perennial cultivation system , 2002 .

[16]  S. D. Lopez,et al.  Oil and paper pulp from Cynara cardunculus: preliminary results , 1997 .

[17]  O. Kordsachia,et al.  Alkaline pulping of some eucalypts from Sudan. , 2006, Bioresource technology.