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Characterization and Feasibility Assessment of Recycled Paper Mill Sludges for Land Application in Relation to the Environment

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  • Rosazlin Abdullah

    (Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia2. Department of Land Management, Universiti Putra Malaysia, Serdang 43400, Selangor Darul Ehsan, Malaysia)

  • Che Fauziah Ishak

    (Department of Land Management, Universiti Putra Malaysia, Serdang 43400, Selangor Darul Ehsan, Malaysia)

  • Wan Rasidah Kadir

    (Soil Management Branch, Forest Research Institute Malaysia, Kepong 52109, Selangor Darul Ehsan, Malaysia)

  • Rosenani Abu Bakar

    (Department of Land Management, Universiti Putra Malaysia, Serdang 43400, Selangor Darul Ehsan, Malaysia)

Abstract

The disposal of industrial paper mill sludge waste is a big issue and has a great importance all over the world. A study was conducted to determine the chemical properties of recycled paper mill sludge (RPMS) and assess its possibilities for land application. RPMS samples were collected from six different paper mills in Malaysia and analyzed for physical and chemical properties, heavy metals, polycyclic aromatic hydrocarbons, 13 C-NMR spectra and for the presence of dioxins/furans. The RPMS was dewatered, sticky with a strong odour, an average moisture of 65.08%, pH 7.09, cation exchange capacity (CEC) 14.43 cmol (+) kg –1 , N 1.45, P 0.18, K 0.12, Ca 0.82, Mg 0.73, Na 0.76 and Al, 1.38%. The polycyclic aromatic hydrocarbons (PAHs) and heavy metals levels were below the standard Class 2 limits. The dioxin and furan were in below the standard concentration of Class 1. The most prominent peak in the 13 C-NMR spectra of RPMS was centered at 31 ppm, proving the presence of methylene (-CH 2 ) groups in long aliphatic chains, with lipids and proteins. The signal at 89 ppm and highly shielded shoulder at 83 ppm were due to presence of cellulose carbon C-4, and the peak at 63 and 65 ppm was due to the cellulose carbon spectrum. The RPMS therefore contains significant amount of nutrients with safe levels of heavy metals and PAHs for environment and can be used as a fertilizer and soil amendment for land application.

Suggested Citation

  • Rosazlin Abdullah & Che Fauziah Ishak & Wan Rasidah Kadir & Rosenani Abu Bakar, 2015. "Characterization and Feasibility Assessment of Recycled Paper Mill Sludges for Land Application in Relation to the Environment," IJERPH, MDPI, vol. 12(8), pages 1-16, August.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:8:p:9314-9329:d:53901
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    References listed on IDEAS

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    1. Howe, Jonathan & Wagner, Michael R., 1996. "The effect of papermill wastewater irrigation and gypsum soil amendments on sodium accumulation by cottonwood and soil," Agricultural Water Management, Elsevier, vol. 31(3), pages 295-306, October.
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    Cited by:

    1. Hatem Abushammala & Muhammad Adil Masood & Salma Taqi Ghulam & Jia Mao, 2023. "On the Conversion of Paper Waste and Rejects into High-Value Materials and Energy," Sustainability, MDPI, vol. 15(8), pages 1-21, April.

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