Mechanization in agriculture & Conserving of the resources
Vol. 65 (2019), Issue 4, pg(s) 135-138

CONSERVING OF THE RESOURCES

Biobased adsorbent prepared by pyrolysis of a renewable agriculture waste

  • 1 Institute of General and Inorganic Chemistry-Bulg.Acad.Sci.
  • 2 University of Chemical Technology and Metallurgy, Sofia, Bulgaria

Abstract

The study deals with preparation of carbon/SiO2 based natural composite material by slow pyrolysis of rice husks at 480° C. The phase composition, microstructure and morphology of the solid pyrolysis residue were investigated by XRD, FTIR spectrometry, thermal analysis, Hg-porosimetry, B.E.T. specific surface area and SEM-EDS. The sorption capacity of the pyrolyzed rice husks (PRH) upon adsorption of oil and oil products spills was determined. The obtained results revealed that PRH possess high sorption ability toward to gasoline, diesel, motor oil, light and heavy crude oil, in the range of 3.7 to 9.2 kg.kg-1. The adsorbent is characterized with hydrophobicity and buy-effect 90% more 10 days. PRH were investigated also as material for deep adsorption removal of thiophene from model fuel under batch mode. It was found that adsorption of 92% of the aromatic sulfur compound from the model fuel was achieved.

Keywords

References

  1. http://www.mzh.government.bg/bg/politiki-i-programi/otcheti-idokladi/agraren-doklad/
  2. Kumagai S., Y.Noguchi, et al., Oil adsorbent produced by the carbonization of rice husks, Waste Manage., 27, 2007, 554.
  3. Watari J., A. Nakata, et al., Fabrication of porous SiO2/C composite from rice husks, J. Eur. Ceram. Soc., 26, 2006, 797.
  4. Westman M., L. Fifield et al., Natural fiber composites: A review. Richland, Washington, Pacific Northwest National Laboratory, 2010.
  5. Demirbaş A., Mechanisms of liquefaction and pyrolysis reactions of biomass, Energy Conv. Manage., 41, 2000, 633.
  6. Ajmal M., R. Ali Khan Rao et al., Adsorption studies on rice husks: removal and recovery of Cd(II) from waste water, Bioresour. Technol., 86, 2003, 147.
  7. Oh G., Ch. Park, Preparation and characteristics of rice-straw-based porous carbons with high adsorption capacity, Fuel, 81, 2002, 327.
  8. Chuach T., A. Jumasiah, Rice husk as a potentially low-cost biosorbent for heavy metal and dye removal: an overview, Desalination, 175, 2005, 305.
  9. Srihari V., A. Das, Comparative studies on adsorptive removal of phenol by three agro-based carbons: equilibrium and isotherm studies, Ecotox. Environ. Safe, 71, 2008, 274.
  10. Doshi B., M. Silanpää, S. Kalliola, A review of bio-based materials for oil spill treatment, Water Res., 135, 2018, 262.
  11. Kumagai S., Y. Shimizu, et al., Removal of dibenzothiophenes in kerosene by adsorption on rice husk activated carbon, Fuel, 88, 2009, 1975.
  12. Directive 2003/17/EC of the European Parliament and of the Council.
  13. Babich I., J. Moulijn, Science and technology of novel processes for deep desulfurization of oil refinery streams: a review, Fuel, 82, 2003, 607.
  14. Uzunov I., S. Uzunova, et al., Effects of the pyrolysis process on the oil sorption capacity of rice husks. J. Anal. Appl. Pyrol., 98, 2012, 166.
  15. Rouquerol J., D. Avnir, et al., Recommendations for the characterization of porous solids, Pure Appl. Chem., 66, 1994,1739.
  16. Daifullah A., B. Girgis, H. Gad, Utilization of agro-residues (rice husk) in small waste water treatment plans, Mater. Lett., 57, 2003, 1723.
  17. Srivastava V., I. Mall, I. Mishra, Characterization of mesoporous rice husk ash (RHA) and adsorption kinetics of metal ions from aqueous solution onto RHA, J. Hazard. Mater., 134, 2006, 257.
  18. Patel M., A. Karera, P. Prasanna, Effect of thermal and chemical treatments on carbon and silica contents in rice husk, J. Mater. Sci., 22, 1987, 2457.
  19. Hanna S., L. Farag, N. Mansour, Pyrolysis and combustion of treated and untreated rice hulls, Thermochim. Acta, 81, 1984, 77.
  20. Kennedy L., J.Vijaya, G. Sekaran, Electrical conductivity study of porous carbon composite derived from rice husk, Mater. Chem. Phys., 91, 2005, 471.
  21. Ananijan M., N.Bagrovskaija, et al., Pat. RU 2 333 792, 2008.
  22. Gafarov I., A.Kuznetsov, et al., Pat. RU 2003 127 908 A, 2005.
  23. Zemnukhova L., A.Hohryakov, Patent RU 2 304 559, 2007.
  24. Shimizu Y, S. Kumagai, K. Takeda, Adsorptive removal of sulfur compounds in kerosene by using rice husk activated carbon, https://acs.omnibooksonline.com/data/.../2007_P035.pdf

Article full text

Download PDF