Perbandingan Penggunaan Natrium Perkarbonat, Hidrogen Peroksida, Hipoklorit, dan Xilanase terhadap Sifat Optik Deinked Pulp

Muhammad Ridho(1), Edwin K Sijabat(2*)
(1) Teknologi Pengolahan Pulp dan Kertas ITSB
(2) Teknologi Pengolahan Pulp dan Kertas ITSB
(*) Corresponding Author
DOI: http://dx.doi.org/10.25269/jsel.v9i02.276

Abstract

Penggunaan bahan baku dari jenis kertas SWL (sorted white ledger) yang berasal dari proses mekanikal dan jenis kertas bekas yang mengandung banyak tinta memiliki dampak negatif karena menyebabkan sifat optik dari deinked pulp yang dihasilkan tidak optimal. Penyebab dari masalah tersebut adalah tingginya kandungan logam dan lignin pada SWL dan kertas bekas. Untuk mengatasi masalah tersebut, pada penlitian ini dilakukan penambahkan DTPA (Diethylene Triamine Pentaacetic Acid) sebagai penghilang kandungan logam dan bahan pemutih untuk menghilangkan lignin. Bahan pemutih yang digunakan adalah natrium perkarbonat, hidrogen peroksida, hipoklorit, dan xilanase. Dilakukan variasi dosis (1%; 1,5%; dan 2%) dan suhu pemutih (50°C, 70°C, dan 90°C) untuk menentukan titik optimal. Hasil penelitian menunjukkan bahwa bahan pemutih yang digunakan mampu meningkatkan derajat cerah dan derajat putih dari deinked pulp. Nilai sifat optik yang paling optimal didapat pada proses pemutihan menggunakan 2% natrium perkarbonat pada suhu 70°C, dengan nilai derajat cerah sebesar 85,30% ISO dan derajat putih sebesar 112,27% ISO.

 

The Comparison of Sodium Percarbonate, Hydrogen Peroxide, Hypochlorite, and Xylanase

on Optical Properties of Deinked Pulp

Abstract

The use of raw materials from SWL (sorted white ledger) paper originating from mechanical processes as well as used paper types that contain a lot of ink has a negative impact because it causes no optimal value for the optical properties of deinked pulp. The cause of these problems is the high content of metals and lignin. To overcome this problem, it is necessary to add DTPA (Diethylene Triamine Pentaacetic Acid) as a remover for metals and bleaching agents to remove lignin. The bleaching agents used in this study were sodium percarbonate, hydrogen peroxide, hypochlorite, and xylanase. Variation of bleach dose (1%, 1,5%, and 2%) and temperature (50°C, 70°C, and 90°C) is performed to determine the optimal point. The results showed that the whitening material used was able to increase the bright and white degrees of deinked pulp. The most optimal optical properties values obtained in the whitening process using 2% sodium percarbonate at 70°C, with a bright degree value of 85.30% ISO and a degree of white of 112.27% ISO.

 

Keywords: SWL, waste paper, sodium percarbonate, hydrogen peroxide, hypochlorite, xylanase.


Keywords

SWL; kertas bekas; natrium perkarbonat; hidrogen peroksida; hipoklorit; xilanase

Full Text:

PDF

References

Bahri, S. (2015) ‘Pembuatan Pulp dari Batang Pisang’, Jurnal Teknologi Kimia Unimal, 4(2), p. 36. doi: 10.29103/jtku.v4i2.72.

Bajpai, P. (2014) Recycling and Deinking of Recovered Paper, Recycling and Deinking of Recovered Paper. London: Elsevier Inc. doi: 10.1016/C2013-0-00556-7.

Bajpai, P. (2018) ‘Biobleaching’, in Biotechnology for Pulp and Paper Processing. Singapore: Springer Singapore, pp. 159–213. doi: 10.1007/978-981-10-7853-8_10.

Emerson (2015) pH Measurement in Deinking Mills (Secondary Fiber), Application Note. Available at: https://www.pulpandpaperonline.com/doc/ph-measurement-in-deinking-mills-secondary-fiber-0001.

Greschik, T. (2008) ‘Treatment of Pulp’. United States Patent Application.

HERA (2002) Human & Environmental Risk Assessment on ingredients of European household cleaning products: Sodium

percarbonate (CAS No. 15630-89-4).

Johnson, D. A. and Thompson, E. V. (1994) ‘Fiber/Toner Detachment Studies: Repulping and Flotation of Laser Printed Paper, Part I’, in Pulping Conference Proceedings.

Jones, C. W. (1999) Applications of Hydrogen Peroxide and Derivatives. Cambridge: Royal Society of Chemistry (RSC Clean Technology Monographs). doi: 10.1039/9781847550132.

Kopra, R., Lahdeniemi, A. and Dahl, O. (2019) ‘Evaluating the lignin content in the fibreline of a birch kraft pulp mill with a TDS sensor’, Appita Journal, 72(3), pp. 150–162.

Liu, Y., Ge, S., Li, Y., Li, B. and Li, H. (2018) ‘Oxalate formation during hydrogen peroxide-reinforced oxygen delignification’, Journal of Industrial and Engineering Chemistry, 58, pp. 45–50. doi: 10.1016/j.jiec.2017.09.005.

Nakamata, K., Motoe, Y. and Ohi, H. (2004) ‘Evaluation of chloroform formed in process of kraft pulp bleaching mill using chlorine dioxide’, Journal of Wood Science, 50, pp. 242–247.

Ponnusamy, V. K., Nguyen, D. D., Dharmaraja, J., Shobana, S., Banu, J. R., Saratale, R. G., Chang, S. W. and Kumar, G. (2019) ‘A review on lignin structure, pretreatments, fermentation reactions and biorefinery potential’, Bioresource Technology, 271, pp. 462–472. doi: 10.1016/j.biortech.2018.09.070.

Rismijana, J., Elyani, N. and Cucu, C. (2006) ‘Efektivitas Biodeinking pada Pengolahan Kertas Bekas Campuran’, Berita Selulosata Selulosa, 41(1), pp. 14–20.

Sójka-Ledakowicz, J., Gajdzicki, B., Lewartowska, J. and Machnowski, W. (2000) ‘Procesy enzymatyczne jako alternatywa dla tradycyjnych technologii wykończalniczych’, Przegląd Włókienniczy, 5, pp. 28–31.

Tutus, A. (2004) ‘Bleaching of Rice Straw Pulps with Hydrogen Peroxide’, Pakistan Journal of Biological Sciences, 7(8), pp. 1327–1329. doi: 10.3923/pjbs.2004.1327.1329.


Article Metrics


Abstract view : 13 times
PDF view : 4 times

Refbacks

  • There are currently no refbacks.


Copyright (c) 2019 JURNAL SELULOSA
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.