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All Journal CHEMPUBLISH JOURNAL Al-Kimia Chemistry Indonesian Journal of Chemical Research Grimsa Journal of Science Engineering and Technology
SUSANTO, RENO
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Engineering Environmental Science Medicine & Pharmacology Physics

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Treatment Palm Oil Mill Effluent (POME) Using Continuous Column Plate Electric Reactor Susanto, Reno; Aulia Rahmi , Viona; Widyaningsih , Dwi
Al-Kimia Vol 10 No 2 (2022): DECEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v10i2.25646

Abstract

Palm oil mills produce palm oil mill effluent (POME) which contains various dissolved organic compounds in the form of short fibers, hemicellulose, and their derivatives, protein, free fatty acids, a mixture of minerals and organic pigments such as anthocyanins, carotene, polyphenols, lignin and tannins. Organic compounds in this waste will cause problems such as increasing the value of TSS, TDS, and COD which can be a crucial environment for processing liquid waste in palm oil mills. One possible method to reduce the content of TSS, TDS, and COD is the electrocoagulation method. This study aims to determine the effect of variable flowrate, voltage, and distance between plates in the electrocoagulation process with a plate column electric reactor, and determine the optimum conditions for flowrate, voltage, and distance between plates. Optimum conditions are obtained at fflowrate3 L/min, 28 V voltage, 2 cm distance between plates with percent removal of TSS, TDS, and COD, respectively 49.30%; 49.40%; 60.30%.
Optimizing Raw Material Pre-Treatment for Bioethanol Production from Empty Fruit Bunches: A Comparative Study Amraini, Said Zul; Sari, Sunitha; Andrio, David; Fatra, Waman; Susanto, Reno
Grimsa Journal of Science Engineering and Technology Vol. 1 No. 1 (2023): October 2023
Publisher : Graha Primera Saintifika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61975/gjset.v1i1.5

Abstract

Bioethanol (C2H5OH) is an organic chemical widely used as a solvent. It is also applied in producing germicides, beverages, antifreeze, fuel, and depressants as an intermediate in producing other chemical substances. Generally, bioethanol is generated from the fermentation of glucose (sugar) accompanied by a distillation process. This study aimed to optimize bioethanol production against variations in pre-treatment and solvent concentrations through enzyme hydrolysis and fermentation of oil palm empty fruit bunches. The pre-treatment is an important stage in the conversion process of lignocellulosic biomass, as it eliminates lignin, reduces the crystallinity of the cellulose, and increases the porosity of the substance, thereby facilitating the hydrolysis process and glucose fermentation. The process was carried out with different concentrations of acid, base, and organolsov solvents, after that, it was hydrolyzed using cellulase enzymes for 24 hours and fermented using Saccharomyces Cerevisiae yeast for 5 days. Furthermore, the bioethanol produced was separated through a rotary vacuum evaporator at 180 rpm and a temperature of 78 °C. The highest ethanol content produced was 7.8% with 4% NaOH and 90 minutes of pre-treatment residence time.
Biosurfactant Production from Pseudomonas aeruginosa ATCC27853 with Carbon Source from Crude Palm Oil for Oil Recovery Amraini, Said Zul; Muria, Sri Rezeki; Bahruddin, Bahruddin; HS, Irdoni; Artha, Ulfa Dwi; Susanto, Reno
Indonesian Journal of Chemical Research Vol 10 No 1 (2022): Edition for May 2022
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2022.10-sai

Abstract

Biosurfactants are surfactants that are synthesized by microorganisms using organic materials and have biodegradable properties, making them environmentally friendly. One of the applications of biosurfactants in the recovery of petroleum. This study aims to determine the type of biosurfactant produced by Pseudomonas aeruginosa bacteria using crude palm oil as the main carbon source, to determine the effect of variations in pH and CPO concentration on surface tension reduction and emulsification, and compare the best biosurfactant with surfactant synthesis. The production of biosurfactants has 3 stages, namely the bacterial preparation, the biosurfactant production, and the analysis in the form of surface tension, emulsification, crude oil removal, and FTIR. The best biosurfactant was obtained at pH 7 and a carbon source concentration of 3% v/v with surface tension and emulsification values ​​of 42.49 mN/m and 58%, respectively. The pH value and CPO concentration can affect the growth in the biosurfactant production process, thus also affecting the surface tension and emulsification values. The biosurfactants obtained were rhamnolipid biosurfactants. The biosurfactants produced in this study have lower crude oil recovery capabilities than synthetic surfactants with crude oil removal values ​​of 57.78% and 79.34%, respectively.
Potensi Pembuatan Replika Tulang Berpori Menggunakan Template Ampas Tebu Susanto, Reno
Chempublish Journal Vol. 5 No. 2 (2020): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v5i2.10612

Abstract

Scaffold Hidroksiapatit dengan ukuran pori dari 400 nm sampai 4 mm dan porositas dalam kisaran 20%-97% telah diproduksi dengan menggunakan template alam dengan berbagai metode seperti replica method, direct foaming method, solvent casting katalisis, dan starch consolidation method. Pada artikel ini, kami meninjau pemrosesan natural template yang dapat digunakan untuk pembuatan hidrokdisiapatit dengan mempertimbangkan hasil yang diperoleh berupa ukuran pori, porositas, densitas, kuat tekan, dan hasil analisa uji in vitro serta in vivo. Pada akhirnya kami mengusulkan untuk membuat scaffold HA menggunakan Template Ampas tebu karena memiliki kuat tekan yang baik serta memilki kandungan silica yang cukup tinggi untuk mendukung kegiatan bioaktivitas hidroksiapatit. Kata kunci: Ampas Tebu, Scaffold HA, Template Alam
Co-Authors Artha, Ulfa Dwi Bahruddin Bahruddin David Andrio Fatra, Waman Irdoni HS Sari, Sunitha Sri Rezeki Muria Viona Aulia Rahmi Widyaningsih , Dwi