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All Journal Jurnal Hasil Penelitian Industri Makara Journal of Technology
Syahiddin Dahlan Said
Jurusan Teknik Kimia Universitas Syiah Kuala, Jl. Syech Abdurrauf, No. 7, Banda Aceh - Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering

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KAJIAN PENAMBAHAN SELULOSA MIKROBIAL NATA DE COCO DAN ZAT ADITIF TERHADAP SIFAT FISIK KERTAS BATANG PISANG ABAKA (Study of The Addition of Microbial Cellulose Nata de Coco and Additives towards Physical Characteristics of Abaca Banana Stem Based Paper) Fitriani, Fitriani; Mahidin, Mahidin; Said, Syahiddin Dahlan; Busthan, Meuthia
Jurnal Hasil Penelitian Industri Vol 29, No 2 (2016)
Publisher : Baristand Industri Banda Aceh

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Abstract

Utilization of cellulose derived from wood as a raw material for pulp and paper inIndonesia increases gradually. This condition leads to deforestation in Indonesia and causes various sideeffects on the environment. The objective of this research is to study the effect of the addition of microbialcellulose nata de coco and additives towards physical characteristics of abaca banana stem paper byusing Peroxide Alkaline Pulping (APP) method. The combination of microbial cellulose pulp nata de cocoand banana stem pulp ratio of 0:100 ; 25:75 ; 50:50 ; 75:25 ; 100:0 and the addition of additives to themix the pulp with variations (b/b): without additives, tapioca (1%, 3% and 5%) and kaolin (5%, 10%, and15% used in the process of forming a sheet of paper. The results showed the addition of a bit of microbialpulp cellulose and pulp stems of the banana abaca could improve the physical strength of paper withgrammage 157.13 gr/m², a thickness of 0.0058 mm, water content of 4.48%, water absorption of 22.21%,tensile resistance 5 kN/m and elongation of 38.59%.
Adsorption of Cu(Ii) Ions in Aqueous Solution Onto Limonia Acidissima Shellbased Activated Carbon: Kinetic and Isotherm Studies Muslim, Abrar; Said, Syahiddin Dahlan; Hariati, Gita Suci; Karina, Siti Fajar; Djuned, Fauzi Muhammad; Mulyawan, Rizka
Makara Journal of Technology Vol. 21, No. 3
Publisher : UI Scholars Hub

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Adsorption of Cu(II) ions from aqueous solution using activated carbon prepared from Limonia acidissima fruit shell (LAFS-AC) was conducted in batch mode experiments at pH 5 (±0.15), 100 rpm and 1 atm. The effects of contact time, initial Cu(II) ions concentration, KOH concentration, and adsorption temperature on Cu(II) ions adsorption capacity were investigated. Fourier Transform Infrared Spectroscopy and Scanning Electron Microscopy analyses were performed to investigate the active site and surface morphology of the LAFS-AC, respectively. The Cu(II) ions adsorption was fitted very well (R2 = 0.94 on average) to the pseudo second-order adsorption kinetic with the adsorption capacity and rate being 25.58 mg/g and 0.07 g/mg.min, respectively at 27 oC by the LAFS AC activated using 0.5 M KOH. It was 26.88 mg/g and 0.15 g/mg.min, respectively at 60 oC. The Cu(II) ions adsorption followed the Langmuir adsorption isotherm model (LAIM) (R2 = 0.98 on average). The LAIM adsorption capacity and constant were 26.67 mg/g and 0.03 L/g, respectively at 27 oC. It increased dramatically to 0.09 L/g at 60 oC. The optimal adsorption condition obtained was the 0.5 M KOH activated LAFS-AC, initial Cu(II) concentration of 509.81 mg/L and 120-min contact time at 60 oC with the Cu(II) ions adsorption capacity of 26.95 mg/g.
Co-Authors Abrar Muslim Djuned, Fauzi Muhammad Fitriani Fitriani Hariati, Gita Suci Karina, Siti Fajar Mahidin Mahidin Meuthia Busthan, Meuthia Mulyawan, Rizka