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All Journal Jurnal Teknologi Industri Pertanian Reaktor JURNAL KIMIA SAINS DAN APLIKASI Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Litbang Industri Jurnal Serambi Engineering Jurnal Mandala Pengabdian Masyarakat Jurnal Litbang Industri Aceh International Journal of Science and Technology PESARE: Science and Engineering Service Journal JURNAL REKAYASA KIMIA & LINGKUNGAN
Adisalamun Adisalamun
Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Public Health Social Sciences Other

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Journal : JURNAL REKAYASA KIMIA

 1 
Purification of Biodiesel from Waste Cooking Oil Using Bentonite as Dry Washing Agent Suriaini, Nanda; Febriana, Tika Thalia; Yulanda, Andesta; Adisalamun, Adisalamun; Syamsuddin, Yanna; Supardan, Muhammad Dani
Jurnal Rekayasa Kimia & Lingkungan Vol 14, No 2 (2019): Jurnal Rekayasa Kimia & Lingkungan (December, 2019)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v14i2.13165

Abstract

The process of biodiesel purification is an important step in getting biodiesel products that meet specifications as a substitute for fossil-based fuels. Dry washing method has been developed to achieve an effective purication strategy in order to produce high-quality biodiesel. Bentonite can be used as dry washing agent because it has a good adsorbing properties as well as a large pore and surface area therefore can attract polar substances such as glycerol and methanol. The purpose of this research is to know the capability of activated bentonite as dry washing agent for purification of biodiesel produced from waste cooking oil. The activation process of bentonite was carried out using sulfuric acid with concentration 1.5 M. Characterization of the bentonite was conducted using X-Ray Diffraction (XRD) for minerals content and BrunauerEmmettTeller (BET) method for surface area. Bentonite was used as dry washing agent for biodiesel purification by varying washing time (10, 20, 30, 40 and 50 minutes) and adsorbent amount (1, 2, 3, 4 and 5%). The experimental results showed that purification of biodiesel by dry washing using activated bentonite resulted in a better yield and quality than wet washing and dry washing using non-activated bentonite, except the acid number. The best operation condition resulted from this research is at 10 minutes washing time and 1% adsorbent with yield of 94.1%; acid number of 0.4208 mg KOH/gram; density of 0.8838 gram/cm3, viscosity of 3.0617 mm2/s and water content of 1.17%.
The Treatment of Hospital Wasterwater Electrocoagulation Using Iron Electrodes: Analysis by Response Surface Methodology M. Yusuf, Darmadi; Lubis,, Mirna Rahmah; Adisalamun, Adisalamun
Jurnal Rekayasa Kimia & Lingkungan Vol 14, No 2 (2019): Jurnal Rekayasa Kimia & Lingkungan (December, 2019)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v14i2.13790

Abstract

Hospital wastewater basically contains organic materials and inorganic materials. Levels of these materials can be determined by testing of Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Total Dissolved Solid (TDS), and Total Suspended Solid (TSS). The hospital wastewater treatment proposed in this research is the electrocoagulation treatment using electrodes Fe-Fe and uses the response surface method for optimizing the response variable. Referring to this resea rch, the result shows that the relationship between the process variables and the TSS is significantly influential. As the contact time (15, 30, and 45 minutes) is longer and the voltage (6, 9, and 12 volts) is higher, the percentage reductions of TSS increase. However, the electrolyte solution (01 M) has little influence/significance to a response variable of TSS. The highest percentage of TSS reduction is at the contact time 30 minutes and 12 volts, which declined at contact time 45 minutes. The model recommended is a quadratic form with a low error less than 1.6%. In such a way, the optimum condition is at contact time 36 minutes, voltage 12 volts, and the electrolyte (NaCl) concentration 0.1 M. The reduction percentage is TSS 72.45%.
Aplikasi Metode Advance Oxidation Process (AOP) Fenton pada Pengolahan Limbah Cair Pabrik Kelapa Sawit Yulia, Ruka; Meilina, Hesti; Adisalamun, Adisalamun; Darmadi, Darmadi
Jurnal Rekayasa Kimia & Lingkungan Vol 11, No 1 (2016): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v11i1.4098

Abstract

Penelitian ini bertujuan untuk mengetahui kemampuan proses Fenton dalam menurunkan kadar chemical oxygen demand (COD) dan kadar total suspended solid (TSS) dari limbah cair pabrik kelapa sawit (PKS) dan menentukan kondisi optimum dari parameter yang digunakan dengan Response Surface Methodology menurut Box- Behnken design. Sampel diambil pada keluaran pertama kolam anaerobik ketiga dari instalasi pengolahan limbah cair kelapa sawit yang mengandung nilai COD berkisar antara 8.000 hingga 12.000 ppm. Pada penelitian ini, dilakukan pengujian pada berbagai pH, konsentrasi FeSO4.7H2O dan konsentrasi hidrogen peroksida. Hasil penelitian menunjukkan bahwa kemampuan proses AOP dengan metode Fenton dapat menurunkan konsentrasi COD dan TSS masing-masing adalah 70,7704% dan 88,3897% pada konsentrasi FeSO4.7H2O 3703,52 ppm, konsentrasi H2O2 5586,43 ppm, dan pH 3.
Pengaruh Nozzle Terhadap Aspek Hidrodinamika Kinerja Kolom Gelembung Pancaran Nugroho, Didiek Hari; Adisalamun, Adisalamun; Machdar, Izarul
Jurnal Rekayasa Kimia & Lingkungan Vol 10, No 2 (2014): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v10i2.2424

Abstract

Kolom gelembung pancaran merupakan salah satu alat perpindahan massa antara fasa gas dan cair. Penelitian ini bermaksud untuk mempelajari pengaruh nozzle terhadap aspek hidrodinamika antara lain: kedalaman penetrasi gelembung (Z), holdup gas (eg), dan laju alir volumetrik gas entrainment (Ql) yang terjadi dalam kolom gelembung pancaran. Variabel proses yang dipelajari antara lain laju alir volumetrik cairan (10-50 L/menit), ukuran diameter nozzle (0,008-0,0127 m), dan tinggi nozzle (0,125-0,25 m). Hasil penelitian memperlihatkan bahwa ukuran diameter nozzle semakin kecil dan laju alir volumetrik cairan yang semakin besar menghasikan laju alir volumetrik gas entrainment, holdup gas, dan kedalaman penetrasi gelembung yang semakin besar.
Adsorpsi Surfaktan Nonionik Alkil Poliglikosida pada Antar muka Fluida-Fluida Adisalamun, Adisalamun; Mangunwidjaja, Djumali; Suryani, Ani; Sunarti, Titi Candra; Arkeman, Yandra
Jurnal Rekayasa Kimia & Lingkungan Vol 9, No 1 (2012): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Nonionic surfactants have been used extensively in various industrial applications such as cleaning, personal care, crop protection, paint and coating, textile finishing, emulsion stabilization, food and leather processing. In this study, we have studied the adsorption of three nonionic surfactants of alkyl polyglycoside, namely commercial APG from Cognis and APG produced from glucose as well as APG synthesized from sago starch, at fluidfluid interfaces. The variation of surface and interfacial tension with the concentration of surfactant in the bulk was studied, and the data were fitted using a surface equation of state derived from the Langmuir isotherm. The agreement between ?(c) data and Langmuir isotherm model was very good.Keywords: adsorption, air/water interface, interfacial tension, surface tension
Co-Authors - Darmadi . Mahlinda . Pinalty Abrar Muslim abubakar abubakar Ahmad Irgi Andesta Yulanda Ani Suryani Ani Suryani Asri Gani Azwar Azwar Azwar Azwar Darmadi Darmadi Darmadi M. Yusuf Didiek Hari Nugroho Djumali Mangunwidjaja Djumali Mangunwidjaja Farid Mulana Febriana, Tika Thalia Hesti Meilina Hesti Meilina Hisbullah Hisbullah Hisbullah Hisbullah Hisbullah Hisbullah Izarul Machdar Izarul Machdar, Izarul J.M. Ali J.M. Ali Jakfar Jakfar, Jakfar Kamaruzzaman, Suraiya Khairil Khairil Kusuma, Laila Laila Kusuma M. Dani Supardan M. Yogi Riyantama Isjoni M. Yusuf, Darmadi M.F. Zanil M.F. Zanil Mahidin Mahidin Mirna Lubis Mirna Rahmah Lubis Muhammad Dani Supardan Muhammad Zaki Mukhlishien Mukhlishien Muslim*, Abrar R. Nasrullah R. Nasrullah R.C.L. Nasrullah Ruka Yulia Saiful Saiful Saiful Saiful Siti Sarah Siti Sarah, Siti Suraiya Kamaruzzaman Suriaini, Nanda Tika Thalia Febriana Titi Candra Sunarti Wan Rosli Wan Daud Wari Julyadi Yandra Arkeman Yanti Meldasari Yulanda, Andesta Yulia Annisa Yulia, Ruka