INVESTIGATION ON THE OPTIMAL DOSAGE OF HYDROGEN PEROXIDE AND SODIUM HYDROXIDE TO IMPROVE FLOTATION DEINKING EFFICIENCY FOR MIXED WASTE PAPERS

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SADEGHI A.; BEHROOZ R.

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Journal: Journal of Forest and Wood Products Year:2012 | Volume:65 | Issue:2 Page(s): 157-168

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Information Journal Paper

Title

INVESTIGATION ON THE OPTIMAL DOSAGE OF HYDROGEN PEROXIDE AND SODIUM HYDROXIDE TO IMPROVE FLOTATION DEINKING EFFICIENCY FOR MIXED WASTE PAPERS

Author(s)

SADEGHI A. | BEHROOZ R. | Issue Writer Certificate

Keywords

FLOTATION DEINKINGQ2

WASTE PAPER RECYCLINGQ2

HYDROGEN PEROXIDEQ3

SODIUM HYDROXIDEQ2

BRIGHTNESSQ3

YELLOWNESSQ3

DIRT COUNTQ2

Abstract

FLOTATION DEINKING is the prominent technology for ink removal from waste paper. In this study, FLOTATION DEINKING was carried out applying two levels of SODIUM HYDROXIDE and five levels of HYDROGEN PEROXIDE on a mixture of waste papers consisting of: 30, 30 and 40 weight percent OMG, ONP and MOW, respectively. The deinking efficiency was evaluated based on BRIGHTNESS, YELLOWNESS and DIRT COUNT of hand sheets. The results showed that increasing HYDROGEN PEROXIDE dosage can increase hand sheets BRIGHTNESS, however, at higher HYDROGEN PEROXIDE levels, the BRIGHTNESS was reduced probably due to the presence of more NaOH and the limitation of hydro peroxide efficiency for chromophore elimination. Optimal ratio of H2O2/NaOH, significantly increase the efficiency of deinking at lower alkali usage. This research showed that higher deinking efficiency may not be necessarily reached applying more chemicals, but optimal chemicals ratio plays an important role in deinking efficiency.

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APA: Copy

SADEGHI, A., & BEHROOZ, R.. (2012). INVESTIGATION ON THE OPTIMAL DOSAGE OF HYDROGEN PEROXIDE AND SODIUM HYDROXIDE TO IMPROVE FLOTATION DEINKING EFFICIENCY FOR MIXED WASTE PAPERS. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 65(2), 157-168. SID. https://sid.ir/paper/162763/en

Vancouver: Copy

SADEGHI A., BEHROOZ R.. INVESTIGATION ON THE OPTIMAL DOSAGE OF HYDROGEN PEROXIDE AND SODIUM HYDROXIDE TO IMPROVE FLOTATION DEINKING EFFICIENCY FOR MIXED WASTE PAPERS. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2012;65(2):157-168. Available from: https://sid.ir/paper/162763/en

IEEE: Copy

A. SADEGHI, and R. BEHROOZ, “INVESTIGATION ON THE OPTIMAL DOSAGE OF HYDROGEN PEROXIDE AND SODIUM HYDROXIDE TO IMPROVE FLOTATION DEINKING EFFICIENCY FOR MIXED WASTE PAPERS,” JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 65, no. 2, pp. 157–168, 2012, [Online]. Available: https://sid.ir/paper/162763/en

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