Jurnal Natural
Volume 20 Number 2, June 2020

Mechanical and morphological characteristic investigations of deinked used newsprint paper via ultra-sonochemistry method

SAHARMAN GEA (Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara)
SRI RAHAYU (Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara)
ANDRIAYANI ANDRIAYANI (Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara)
AVERROES FAZLUR RAHMAN PILIANG (Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara)
NONI OKTARI (Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara)

Article Info

Publish Date
16 Jun 2020

Abstract

Printed newspaper is one of the print-based media published daily in large quantities. The focus of this research is to remove the ink from used newsprint with alkaline treatment by using ultrasound sonochemistry method. Newsprint sheets collected were characterized by mechanical and morphology tests using FT-IR, XRD, tensile test and SEM. FT-IR spectra analysis shows the absorption of C=C functional groups as the main components of newspapers at 1427 and 1635 cm-1 wavelengths. The treatment with alkaline solution increased the mechanical strength properties of paper. SEM morphology analysis result shows that the surface of paper becomes more rough after ultrasound-alkaline treatment compared to paper without ultrasound treatment (conventional treatment). The crystallinity value decreased with alkaline treatment. The longer the ultrasound duration was, the lower the crystallinity degree became.

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Journal Info
Jurnal Natural
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Abbrev

natural

Publisher

Universitas Syiah Kuala

Subject

Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Energy Immunology & microbiology Neuroscience Physics

Description

Jurnal Natural (JN) aims to publish original research results and reviews on sciences and mathematics. Jurnal Natural (JN) encompasses a broad range of research topics in chemistry, pharmacy, biology, physics, mathematics, statistics, informatic and ...