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Jurnal Litbang Industri
Published by Balai Riset dan Standardisasi Industri Padang
ISSN : 22523367     EISSN : 25025007     DOI : http://dx.doi.org/10.24960/jli.v12i1.7464.27-32
Core Subject : Science,
Chemistry
Jurnal Litbang Industri (JLI) is a scientific journal published regularly twice a year in June and December. JLI contains primary articles or reviews are sourced directly from results of industrial research such as processing of agricultural products, food processing, fishing industry, mining industry, industrial standardization, and pollution control. All submissions are reviewed by qualified reviewers in their field.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 13 Documents
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Search results for , issue "Vol 11, No 2 (2021)" : 13 Documents clear
Utilization of mensiang (Actinoscorpus grosus L.) as a cellulose-rich material for furfural synthesis Fransiska Angelina G Rezekinta; Anwar Kasim; Novizar Nazir; F Failisnur
Jurnal Litbang Industri Vol 11, No 2 (2021)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (439.683 KB) | DOI: 10.24960/jli.v11i2.7212.117-123

Abstract

The cellulose content of mensiang varies from 22% in the flower to 33% in the root. This could be used as a starting point for furfural synthesis. To separate furfural, several conditions are set for the distillation and evaporation processes. The conditions were rootstock part (A), upper stem part (B), whole stem part (C), whole stem with flowers part (D), and whole stem, flowers, and root part (E). Furfural content in the mensiang plant was conducted using Gas Chromatography-Mass Spectroscopy (GCMS) for the highest yield 11.78%, D treatment. Furfural synthesized from the mensiang plant has a furfural content of 96%. Furfural's density was 1.160 g/ml, boiling point was 161 oC, refractive index was 1.5120 obrix, and its viscosity was 1.46 cp.
Front Matter Jurnal Litbang Industri Vol. 11 No. 2 Desember Tahun 2021 Sofyan Sofyan
Jurnal Litbang Industri Vol 11, No 2 (2021)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2750.754 KB) | DOI: 10.24960/jli.v11i2.7569.%p

Abstract

Front Matter Jurnal Litbang Industri Vol. 11 No. 2 Desember Tahun 2021
Design of mold press for the manufacturing of silica sand pellet form Dedikarni Panuh; Rieza Zulrian Aldio; Amir Surya Hidayah
Jurnal Litbang Industri Vol 11, No 2 (2021)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (715.369 KB) | DOI: 10.24960/jli.v11i2.6921.90-96

Abstract

Currently, the ceramic industries is utilizing many natural mineral resources. The purpose of this study is to design and manufacture the tool; a mold press pellet or silica sand mold  and to obtain the results of silica sand pellets that are affected by varying pressure. The materials used for the tools were STM A276, Type 410 steel. ST60 martensite. SS400 steel was used to made the round plate at a mold position. This study produced mold with dimensions of 25.45 mm of diameter, height of 89 mm, volume at 45.07 cm³ with a mold circle area of 5.06 cm² and punch cross-sectional area of 452.16 mm². The maximum pressing force on the mold was 49050 N, the normal stress result was 108.47 MPa, the strain value was 3.8 mm / mm, the modulus of elasticity value was 28.54 MPa, the mold material had a maximum limit of 812,871 MPa, indicating that the mold material used was very good. This silica sand pellet mold produced can be utilized for the development of fuel cell and composite materials.

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