Treatment of Wastewater Containing Wood Waste Pyroligneous Acid Preservative by Activated Carbon in Rubberwood Manufacturing Process

https://doi.org/10.22146/ajche.50100

Rizafizah Othaman(1), Agus Susilo(2), Hiroaki Habaki(3), Ryuichi Egashira(4*)

(1) School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
(2) School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
(3) School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
(4) School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
(*) Corresponding Author

Abstract


In this paper, the feasibility of using the products from thermal treatment of rubberwood waste, i.e., pyroligneous acid as preservative and activated carbon as adsorbent to treat the wastewater containing the preservative was studied. Firstly, the sawdust was thermally treated under various conditions to produce the pyroligneous acid and the activated carbon. Atmosphere and treatment temperature were a significant factor in determining the yield of the products. Secondly, the equilibrium adsorption runs were carried out with the model wastewater containing single, multi solutes, or the pyroligneous acid and with the activated carbon obtained under steam atmosphere. Phenolic compounds were adsorbed at the highest in single solute solutions, and lower in multi solutes solutions. Finally, the feasibility of this process improvement was discussed.

Keywords


adsorption; environmental problems; phenolic compounds; process improvement; thermal treatment; wastewater treatment

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References

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DOI: https://doi.org/10.22146/ajche.50100

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