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All Journal ALKIMIA : Jurnal Ilmu Kimia dan Terapan
Rahman, Fachtur
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Social Sciences

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Pemanfaatan Limbah Tulang Ikan Tenggiri Sebagai Sumber Gelatin Halal Melalui Hidrolisis Larutan Asam Dengan Variasi Rasio Asam Rodiah, Siti; Mariyamah, Mariyamah; Ahsanunnisa, Riska; Erviana, Desti; Rahman, Fachtur; Budaya, Annisa Widya
ALKIMIA Vol 2 No 1 (2018): ALKIMIA
Publisher : SCIENCE AND TECHNOLOGY FACULTY OF UNIVERSITAS ISLAM NEGERI RADEN FATAH PALEMBANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (439.152 KB) | DOI: 10.19109/alkimia.v2i1.2260

Abstract

Gelatin diperoleh dari hidrolisis parsial kolagen pada kulit, tulang, kulit jangat, dan jaringan penghubung dari tubuh binatang, yang banyak digunakan baik pada industri pangan, non pangan, maupun farmasi. Gelatin umumnya berasal dari sapi dan babi. Bahan sumber gelatin dari babi menjadi masalah di Indonesia yang mayoritas berpenduduk muslim, karena babi diharamkan untuk dikonsumsi, sedangkan bahan gelatin dari mamalia terutama sapi juga menimbulkan masalah lain berkaitan dengan berita penyakit sapi gila (mad cow disease) atau bovine spongioform encephalopathy (BSE). Pada penelitian ini telah dilakukan pemanfaatan tulang ikan tenggiri sebagai sumber alternatif gelatin halal. Tulang ikan tenggiri merupakan hasil samping atau limbah pada industri rumah tangga yaitu pembuatan pempek di kota Palembang. Penelitian ini bertujuan menghasilkan gelatin halal dari tulang ikan tenggiri yang dihidrolisis menggunakan larutan asam yang berasal dari perasan jeruk nipis dengan variasi rasio asam/tulang ikan 1:3, 1:5, dan 1:7. Dari hasil penelitian ini, diperoleh padatan gelatin yang berwarna coklat. Rasio tulang ikan/asam 1 : 3 adalah rasio optimum yang menghasilkan rendeman tertinggi yaitu 2,4643% dengan kadar air 24,20%. Dari hasil penelitian ini, diharapkan dapat meningkatkan nilai ekonomi dan pengembangan komoditi perikanan khususnya di wilayah sumatera selatan.
Analisis Kadar Amonia dan pH pada Limbah Cair Kanal 32 (K-32) PT Pusri Palembang Rahman, Fachtur
ALKIMIA Vol 3 No 1 (2019): ALKIMIA
Publisher : SCIENCE AND TECHNOLOGY FACULTY OF UNIVERSITAS ISLAM NEGERI RADEN FATAH PALEMBANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.849 KB) | DOI: 10.19109/alkimia.v3i1.3137

Abstract

ABSTRACT Industrial liquid waste PT Pupuk Sriwidjaja (Pusri) Palembang, contain Nitrogen compounds, in the form of ammonia. The liquid waste is derived from a small canal – canal flows from the unit, the unit of urea and ammonia unit utilities, before being processed to be discarded into the Musi River. One of the canals that connected on 3 of these units and empties into the Musi River is a canal 32, also known as K-32. This research aims to know the implementation of the control of environmental pollution, by analyzing the water quality of waste based on the levels of ammonia and pH. The methods used in the research is qualitative and quantitative methods, by looking at the color change in the sample which has reacted with reagent Nessler, and using UV-Vis Spectrophotometer instrument in order to find out the levels of ammonia on liquid waste. Based on the results of the study, the average pH obtained on channel 32 (K-32) is 8.52, while average levels of ammonia was 58.92 ppm (0.05 in kg/tons). All of the result were in quality standard based on Ministry regulation no. 5 which issued in 2014. Keywords : Ammonia; Liquid Waste; pH; Reagent Nessler; Spektrofotometer UV-Vis
The Effect of CaO Catalyst Mass from Golden Snail Shell (Pomacea Canaliculata Lamarck) on Transesterification Reaction Rahman, Fachtur; Rodiah, Siti
ALKIMIA Vol 4 No 2 (2020): ALKIMIA
Publisher : SCIENCE AND TECHNOLOGY FACULTY OF UNIVERSITAS ISLAM NEGERI RADEN FATAH PALEMBANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (382.364 KB) | DOI: 10.19109/alkimia.v4i2.8084

Abstract

Biodiesel derived from waste encourages the development of environment-friendly alternative energy. One of the wastes that can be used as biodiesel is waste cooking oil. Biodiesel from waste cooking oil has some advantages such as non-toxic, less Carbon monoxide (CO), and environment-friendly. The produce of biodiesel from waste cooking oil was through transesterification reaction using CaO catalyst derived from golden snail shell. This study aimed to determine the optimum amount of catalyst that produced the highest yield. In this study, methanol was used as solvent by the molar ratio of methanol/waste cooking oil of 30:1, reaction temperature of 65˚C, reaction time for 2 hour, and variations of amount catalyst 3%, 5% and 7% by weight waste cooking oil. Biodiesel was analyzed by Gas Chromatography-Mass Spectroscopy showed that the highest yield achieved using 7% catalyst amounts was 93.28%.
Co-Authors Ahsanunnisa, Riska Budaya, Annisa Widya Erviana, Desti Mariyamah, Mariyamah siti rodiah