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All Journal Jurnal Sains dan Teknologi Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Teknik Jurnal Serunai Bahasa Indonesia Unri Conference Series: Community Engagement Jurnal Transformasi Administrasi Catimore: Jurnal Pengabdian Kepada Masyarakat

Edy Saputra

Unknown Affiliation

Author-ID : 1907267

Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Social Sciences Other

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Photocatalytic oxidation in phenol removal using Ru/TiO2 and Ru/Al2O3 catalysts Syaifullah Muhammad; Edy Saputra; Shaobin Wang
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 5, No 1 (2015): Engineering
Publisher : Syiah Kuala University

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Ru/TiO2 and Ru/Al2O3 catalyst have been synthesized using impregnation method followed by calcinations at temperature of 550 0C. The synthesized catalysts were characterized by XRD, SEM and EDS. Based on characterization result, the active phase of Ru in form of RuO2 was well coated and dispersed on the support surface. The catalysts were then used in photocatalytic oxidation of phenol in the presence of peroxymonosulphte (PMS) as an oxidant and UV-light from Mercury lamp which is categorized as UV-C, with wave length in range of 200-280 nm. Both catalyst are effective for application of photocatalytic oxidation of phenol in the present PMS and UV. Further, activation of PMS for the production of sulphate radicals for phenol degradation in this study is generated by the interaction PMSCatalyst and PMS-UV. The photocatalytic catalyst of Ru/TiO2 and Ru/Al2O3 can increase the removal efficiency of 10-15%. The activity in phenol removal of Ru/TiO2-PMS-UV is slightly higher than Ru/Al2O3-PMS-UV. Both catalysts also showed good performance in the second and third runs after regeneration for multiple uses. Kinetic studies showed that phenol oxidation on the catalysts, Ru/TiO2 and Ru/Al2O3 in the present of PMS and UV follows the first order reaction.

Phenol degradation on heterogeneous catalytic oxidation by using cobalt-natural zeolite catalyst Syaifullah Muhammad; Edy Saputra; Shaobin Wang; Moses O. Tadé
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering
Publisher : Syiah Kuala University

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Two types of catalysts based on Indonesia Natural Zeolite (INZ) and Australia Natural Zeolite (ANZ) were prepared by impregnation of 5 % of active metal cobalt. The synthesized catalysts were calcined in air at 5500C for 6 hours. The catalysts were then used to degrade phenol concentration in heterogeneous catalytic oxidation with the presence of oxone as peroxymonosulphate source. The catalysts were also characterized by several techniques such as SEM, EDS and N2 adsorption. It was found that Co-INZ and Co-ANZ are effective catalyst in activation of peroxymonosulphate to produce sulphate radicals to degrade phenol concentration. In reaction test of 5 hours, with condition of 25 ppm phenol, 0.2 g catalyst loading, 1 gram oxone, 250C and stirring speed of 400 rpm, Co-INZ and Co-ANZ could reduce phenol up to 100% and 70% respectively. Further, several parameters such as amount of catalyst loading, phenol concentration, oxidant concentration and temperature are found as key factors in phenol degradation. Moreover, based on the trend of phenol degradation following by kinetic study, it was proved that the pseudo first order kinetics would fit to phenol oxidation with the rate constants of 0.0106 and for 0.0033 Co-INZ and Co-ANZ respevtively

KONVERSI WASTE COOKING OIL (WCO) MENJADI BIODIESEL MENGGUNAKAN KATALIS BASA HETEROGEN Na2O/Fe3O4 Rozanna Sri Irianty; Hery Fiza Simarmata; Edy Saputra
Jurnal Sains dan Teknologi Vol 16, No 1 (2017): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Riau

Katalis sodium oksida (Na2O) di sangga pada ferric oksida (Fe3O4) telah di sintesis dan di uji untuk menkonversikan minyak goreng bekas menjadi biodiesel. Sifat Fisik-Kimia dari katalis sodium oksida di karakterisasi dengan menggunakan X-ray diffraksi (XRD) dan Fourier transform infrared (FTIR). Hasil penelitian di dapatkan loding katalis 3%-b adalah yang paling efektif pada reaksi esterifikasi, dibandingkan dengan loading katalis yang lain yaitu 4%-b dan 5%-b. Yield biodiesel dapat diperoleh yaitu sebesar 95.45% pada 2 jam pada kondisi 1:10 (molar rasio dari methanol/minyak goreng bekas), dan 3%-b katalis loading, pada pengadukan 300 rpm dan suhu 60 oC. Karekteristik dari produk biodiesel yang didapat sesuai dengan standard SNI 04-782-2006.

PERENGKAHAN KATALITIK LIMBAH PLASTIK JENIS POLYPROPYLENE (PP) MENJADI BAHAN BAKAR MINYAK MENGGUNAKAN KATALIS ZEOLIT A Aldi Okta Priyatna; Zultiniar Zultiniar; Edy Saputra
Jurnal Sains dan Teknologi Vol 13, No 1 (2014): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Riau

Pada penelitian ini telah berhasil mensintesis zeolite A dari fly ash. Karekterisasi katalis dilakukan dengan X-ray diffraksi (XRD). Aktivitas katalis zeolite A diuji pada perengkahan limbah plastik menjadi bahan bakar minyak. Dari hasil penelitian didapat, yield bahan bakar minyak terbaik diperoleh pada penggunaan katalis 1,5% Zeolit A dengan suhu 450oC selama 60 menit, yaitu sebesar 76,82%. Selain itu, hasil uji fisika diperoleh yaitu, densitas 0,776 gr/ml, dan nilai kalori 10.256 kal/gr. Senyawa kimia paling dominan adalah gasoline 39,80% dan kerosin-diesel 32,65%.Kata Kunci : Bahan bakar minyak, Perengkahan Katalitik, Plastik, Polypropylene, Zeolit A

PENGARUH KONSENTRASI REAKTAN TERHADAP KONVERSI LIMBAH PELEPAH SAWIT MENJADI ASAM LEVULINAT DENGAN METODE HIDROLISIS MENGGUNAKAN KATALIS ASAM SULFAT Arif Kurnia; Amir Awaluddin; Edy Saputra
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Palm frond could be hydrolyzed to levulinic acid using acid catalyst. In this study,kinetics data and optimum condition of palm frond conversion to levulinic acid wasinvestigated. The conversion was conducted in ampoule as reactor (length of 150 mm,I.D. of 4 mm and O.D. of 7 mm) over the following range of condition: palm frondconcentrations of 1-5 wt% (1-5 g/100 mL), temperature of 190 o C, sulfuric acidconcentrations of 1 M, and residence times of 0-240 min. The maximum LA yield isapproximately 9,38% (based on biomass weight) and 31,28% (based on celluloseweight) was achieved for an initial palm frond concentration of 1 wt% (w/v), acidconcentration of 1 M, temperature of 190 o C, and residence time of 60 min. The resultshowed that the concentration and yield of levulinic acid was affected by palm frondconcentration, but didn’t affect reaction rate.

Pembuatan Biodiesel Dari Minyak Nyamplung Dengan Katalis Na2SiO3/Serbuk Besi : Pengaruh Kecepatan Pengadukan Dan Recycle Katalis Febrian Adhitya; Edy Saputra; Zuchra Helwani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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This research purpose to synthesis biodiesel from calophyllum inophyllum oil by transesterification reaction using heterogeneous base catalyst Na2SiO3/iron powder. Catalyst was synthesized from fly ash palm oil which supported by iron powder. Synthesis biodiesel on transesterification reaction with the independent variables of this research variations is agitation rate of 200 rpm, 300 rpm and 400 rpm and catalyst can be recycledas much as 3 times for every variation of agitation rate. These conditions aim to determine its effect on the yield of biodiesel produced. Condition operation the transesterification are mol ratio of oil : methanol 1 : 9 and loading catalyst 3%-w of oil feedstock with temperature reaction 60°C during 2 hours reaction time. Physical characterization were done such as density 867 kg/m3, kinematic viscosity 3,96 mm2/s, acid number 0,48 mg-KOH/g biodiesel and flash point 147°C respectively accordance with the Indonesian National Standard. (SNI 7182:2015).Keyword: Agitation Rate, Biodiesel, Esterification, Calophyllum inophyllum oil, Catalyst, Recyle and Transesterification.

Pengolahan Limbah Cair Industri Karet Dengan Kombinasi Proses Pretreatment Dan Membran Ultrafiltrasi Windy Nila Hakim; Jhon Armedi Pinem; Edy Saputra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The development of new industries can increase prosperity for the people, but had a negative impact on the environment. Industries that produce waste one of them is the rubber industry. Rubber industries produce wastewater containing organic compounds are relatively high. Rubber industrial wastewater treatment needs to be done first in order to tackle pollution. This study was conducted to test the effectiveness and influence of pretreatment process and ultrafiltration membranes in wastewater treatment process of the rubber industry. Wastewater rubber which has been neutralized, in coagulation using coagulant aluminum sulfate (150 mg/l; 200 mg/l; 250 mg/l) with stirring speed of 200 rpm for 5 minutes and 60 rpm for 15 minutes, then allowed to stand for 30 minutes. Waste water sample is filtered then ultrafiltration with variations in pumping pressure (1 bar, 1,5 bar, 2 bar). The results showed the coagulation process is effective at a dose of coagulant Aluminum Sulfate 250 mg/l is 58,71% of BOD5, 59,04% of COD, 35,71% of TSS and 25% of ammonia. The percentage of waste generated rejection increases with increasing pumping pressure of 1 bar to 2 bar. The rejection percentage is 67,30% of BOD5, 67,19% of COD, 88,15% of TSS and 35,71% of ammonia at 2 bar.Key Words: Aluminium sulfate, coagulation, wastewater rubber, membranes, pressure, ultrafiltration

Pembuatan Koagulan Cair Dari Lempung Gambut Untuk Pejernihan Air Yunita Selonika; Jhon Armedi Pinem; Edy Saputra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Clay is one of the abundant natural resources and have not been used optimally. Value for clays can be improved further. Utilization of clay as a source of liquid coagulant is one way of increasing value of the clay. The aim of research was to make liquid coagulant from clay peat with extraction process and determine the percentation of extraction. The powdered clay was calcined at a temperature of 750oC for 1 hour extracted using sulfuric acid for 60, 90 and 120 minutes at a temperature of 95°C. The slurry was filtered to obtain the filtrate which was a liquid coagulant. Liquid coagulant extracted during the process of 120 minutes has the highest of percent aluminum and iron extraction.Key words : coagulant, coagulation, extraction, peat clay

Durabilitas Mortar Geopolimer Campuran Abu Terbang (FA) Dan Abu Sawit(POFA) Di Lingkungan Gambut Yudhi Salman Dwi Satya; Monita Olivia; Edy Saputra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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This research study presents the durability of OPC and geopolymer mortars prepared from the combination of palm oil fuel ash (POFA) and fuel ash (FA) as cement replacement and elements of Si and Al was activated by alkaline solution. Alkaline solution was prepared by combining sodium silicate and sodium hydroxide 14 M. The optimum mix proportions of geopolymer mortars with FA:POFA mass ratio of 90:10 was used together with alkaline solution. The ratio of sodium silicate solution to sodium hydroxide solution by mass was 2.5:1. The mass ratio of sand to blended ashes was 2,75:1. Test specimens 5×5×5 cm cube were prepared and cured at room temperature (28ºC) for 3 days and heat-cured at 110ºC for 24 hours, later cured back at room temperature for 7 days. respectively. Then specimens were immersed in distilled water and peat water. This research resulted in changes of compressive strength the OPC and geopolymer mortars, after immersed in distilled water for 28 days mortar OPC was increasing the compressive strength while geopolymer mortar was decreasing of compressive strength. Furthermore, in the immersed peat water, OPC and geopolymer mortars tend to decreased the compressive strength. The percentage porosity value of both types of mortar were immersed in peat water has increased compared to the immersed in distilled water. The test results revealed that durability of geopolymer mortar in peatlands not as good as OPC mortar due to many factors that lead to a decrease the quality of geopolymer mortar.Keywords : Durability, mortar geopolymer, fuel ash, palm oil fuel ash, peat water

Sintesis Biodiesel Dari Minyak Biji Nyamplung (Calophyllum Inophyllum) Menggunakan Katalis Geopolimer Dari Abu Sekam Padi Dan Kaolin M. Wahyu Nugraha; Edy Saputra; Zuchra Helwani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Biodiesel is an alternative diesel fuel produced from vegetable oil triglycerides transesterification reaction. Besides being derived from renewable sources, biodiesel generate emissions better than diesel. Utilization of vegetable oils such as potential as Calophyllum inophyllum seed oil as raw material biodiesel because it is non-edible. It is necessary to develop catalyst technology in order to get the production process becomes more economical, applicable, and environmentally friendly, one of the catalysts is rice husk ash (RHA) geopolymer. The geopolymer synthesized by reacting sodium silicate, metakaolin, NaOH, and water. Characterized geopolymer produced include alkalinity, surface morphology, elemental composition, and surface area. The variation of process variables conducted to assess the effect on the yield of biodiesel. Independent variable weight of oil 50 grams, mole ratio methanol:oil 9: 1, reaction time 120 minutes, and temperature of 65 °C, with the dependent variables %w/w catalyst 0.79%-2.2% and stirring rate 117-682 rpm. The result of physical characterization density 866 kg /m3, viscosity 4.13 mm2/s, acid number of 0.42 mg-KOH/g biodiesel and flash point 140 °C meet the SNI standards (SNI 7182: 2015).Keywords: Biodiesel, Calophyllum inophyllum Oil, Catalyst, Geopolymer, Rice Husk Ash

Co-Authors Abdullah Syafi’i Ade Anggriawan Affananda Taufik Agustinus Lamhot Viraro Ahmad Fadli Ahmad Zaki Al Qarni Putra Aldi Okta Priyatna Amin Fitra Amir Awaluddin Andes Sagita Arbhy Indera Ikhwansyah Arif Kurnia Arosyidin Arosyidin Bahruddin Chairul Chairul Charismayani Charismayani David Andrio Delvi Yolanda Denny Elisabet Situmeang Desly Fadilla Simbolon Eka Putri Sriandriani Eka Trisnawati Ekadian Lestari Simatupang Ekky Wahyudi Enang Vovilya Eri Kaiyul Erlisa Yanuari Putri Evelyn Evelyn Farhiz Lagan Febrian Adhitya Fenny Lasma Hilde S Fitriani Fitriani Fitry Rahmah Ganis Kharisma Wiranti Genardus Oktavri Sijabat Gusti Ayu Nurjanah Hade Karimata Hafizah Heru Kristianto Hery Fiza Simarmata Ilok Dianggoni Imelda Dewi Agusti Inget Yester Yunanda Irdoni Irdoni Ismeddiyanto Ismeddiyanto Ismi Siska Rahmayani Jhon Armedi Pinem Jhon Fery Marihot Tua S Kartika Pratama Syafitri Khairat Khairat Komalasari Komalasari Lita Darmayanti Lora Mona Tambunan M Arief Riandy M. Wahyu Nugraha Magfirah Marihot Danield Vyendri Simatupang Miguel Felix Wijaya Mohd Fajri Amrullah Monita Olivia Moses O. Tadé Muhammad Rahman Mustapa Ardi Nani Agustina Nazily Haryati Niko Rizaldi Nissa Aqhilla Nova Dwi Safitir Novi Purnama Nuraina Siregar Nurhasanah Nurhasanah Nurlis Nurlis Nurul Afifah Peji Nopeles Rahman Fikri Redol Sianturi Reno Susanto Rio Akbar Rio Saputra Rizaldi Riski Irawan Robi Maulana Rozanna Sri Irianty Shaobin Wang Shaobin Wang Sri Meilani Sri Ulina Beru Ginting Subangkit Julio Jaya SYAIFUL BAHRI Syaifullah Muhammad Syaifullah Muhammad Syarfi Daud Syarfi Syarfi Syelvia Putri Utami Tarsensius Wabady Happy Limbong Tejo Yulandi Tresia Monika Natalia Sinaga Trisuciati Syahwardini Utama, Panca Setia Viqrie Wahyudi Wahyu Muhammad Firdaus Wahyuni Zumara Wali Ara Widya Yoesepha Windy Nila Hakim Yelmida Azis Yudhi Salman Dwi Satya Yuliati Eka Putri Yunita Selonika Zuchra Helwani Zultiniar Zultiniar

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