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All Journal REACTOR : Journal of Research On Chemistry And Engineering SAINTI: Majalah Ilmiah Teknologi Industri
Addin Akbar
Politeknik ATI Padang
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering

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Ekstraksi Antioksidan Alami Dan Uji Aktivitas Antioksidan Dari Daun Sirsak (Annona muricata L.) Addin Akbar; Rita Youfa
REACTOR: Journal of Research on Chemistry and Engineering Vol 1, No 1 (2020): Published in June 2020
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v1i1.1

Abstract

Antioxidant extracted from soursop leaves with solvent extraction and stirring methods. Ethanol, ethyl acetate, and n-hexane use as a solvent. Extraction temperature varied of 35 °, 45 °, 55 ° C. The highest yield obtained was 20.2 % from the ethanol extraction at a temperature of 55 °C. Test result of antioxidant activity using DPPH method indicates that the ethyl acetate fraction has the highest activity with% RSA 81.10 followed by ethanol and n-hexane fraction of 69.64% and 27.60%. GCMS analysis indicated that the ethyl acetate fraction has the most antioxidant compounds with 11 compounds followed by ethanol fraction and n-hexane which has 9 and 4 antioxidant compounds with the highest content is the tocopherol group.
PENGARUH KOMPOSISI PULP NBKP DAN LBKP TERHADAP KUALITAS KERTAS ROKOK PADA PT BUKIT MURIA JAYA KARAWANG Addin Akbar; Elsa Monika; Rizki Fadhillah Lubis; Demi Ramadian
JURNAL ILMIAH TEKNOLOGI INDSUTRI (SAINTI) Vol 16, No 2 (2019): VOL 16 NO 2 DESEMBER 2019
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (29.661 KB)

Abstract

PT Bukit Muria Jaya is a company engaged in the manufacture of cigarette paper which has good quality paper, has a white color and low tear strength. The process of making cigarette paper carried out in PT Bukit Muria Jaya Laboratory has several stages of the process starting from taking raw materials in PM (paper machine) 1, mixing with starch, printing process, pressing process, and drying process. At the time of making cigarette paper using pulp of the NBKP and LBKP types. The shed paper that is made will be tested for the specified physical parameters such as grammature, tensile strength and permeability. In this research, cigarette paper will be made without using a CaCO3 filler with NBKP: LBKP variations are 35: 65, 45: 55, 55: 45, 65: 35, 75: 25, 85: 15, 95: 5%. The results showed that all variables used did not meet the desired physical properties of cigarette paper.
Density Effect of Calcium Carbonate Solution on Kernel Losses in Clay Bath Unit at PT Bina Pratama Sakato Jaya Addin Akbar; Khairul Akli; Dwi Kemala Putri; Melysa Putri; Syarie Hidayah
JURNAL ILMIAH TEKNOLOGI INDSUTRI (SAINTI) Vol 19, No 2 (2022): VOL 19 NO 2 DESEMBER 2022
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (86.422 KB)

Abstract

Clay Bath is a tool to separate palm shells from Kernels using a calcium carbonate solution. Kernel Losses in the Clay Bath unit are a problem that can be detrimental to CPO Processing Industry. The effect of the density of the calcium carbonate solution can reduce the Kernel Losses. In this study, variations in the density of calcium carbonate solution were made starting from 1.092; 1,112 ; 1.136 ; 1.142 ; 1.150 g/mL. Based on the results of the study, the lowest Kernel Losses were found at a density of 1.150 g/mL with 2.57%.
Co-Authors Demi Ramadian Dwi Kemala Putri Elsa Monika Khairul Akli Melysa Putri Rita Youfa Rizki Fadhillah Lubis Syarie Hidayah