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Pembuatan Biodiesel Dari Minyak Biji Kapuk (Ceiba Pentandra) Dengan Katalis Lempung Teraktivasi, Pengaruh Rasio Molar : Metanol Nova Dwi Safitir; Syaiful Bahri; Edy Saputra
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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Abstract

Biodiesel is a renewable alternative fuel that can be made from vegetable oils. One was from the kapok seed oil by using an activated clay catalyst. The purpose of this study is to determine the characteristics of the clay catalysts for the synthesis of biodiesel, making biodiesel from kapok seed oil, determine the effect of the molar ratio of oil-methanol to yield biodiesel, and determines the physical properties and chemical properties of biodiesel produced. Activated clay as acids and bases using H2SO4 and NaOH. Biodiesel is made by reacting kapok seed oil and methanol at 60°C, the reaction time of 1.5 hours, and a catalyst concentration of 0.5% w/w. Treatment variations molar ratio of reactants affect the yield of biodiesel, as well as variations in the concentration of acids and bases for the activation of the catalyst on the clay affect the yield of biodiesel. The result of physical charactearization density 884 kg/m3, viscosity 3.28 mm2/s, acid number of 0.49 mg-KOH/g biodiesel and flash point 200°C meet the SNI standards (SNI 7182-2015).Keywords: activation, biodiesel, clay, molar ratio, yield
Konversi Pelepah Nipah Menjadi Bio - Oil Dengan Variasi Katalis NiMo/Lempung Cengar Memalui Proses Pirolisis Surya Romadani; Syaiful Bahri; Yusnimar Yusnimar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Bio-oil is one of the alternative energy that can be used as a substitute for petroleum. Riau has huge potential in Nipah and clay which not be used widely. Bio-oil can be produced through pyrolysis process  of Nipah  with catalyst  NiMo/ Cengar Clay. Theaimings of this study is to determine the effect of variations in catalyst NiMo/ Cengar Clay and characterize the physical and chemical properties of the yield of bio-oil produced. In this study the pyrolysis  process carried out at 320 °C of temperature,300 rpm  stirrer speed, 500 ml  of silinap and50 grams of biomass  in +100-200 mesh size.Variation of the catalysts are0, 0.5, 1.5 and 2.5 % w/w. The results of this study indicated that the optimum yield was obtained in 0.5 % catalyst NiMo/ Cengar Clay, which is 63.64 %. The analysist  results of the physical properties of bio-oil are density of 0.884 g/ ml, 9.486 cSt of viscosity, 47.92 gr NaOH/100 gr sample of acid number, 45.47 MJ/Kg of the calor value, and 54°C of flash point. The results of chemical analysis by GC - MS , obtained some chemical components such as Acetic acid, Butyric Acid, 2,2-Dimethoxy-Ethanol, Furfural , 4-Hydroxy-Butyric Acid, Phenol, O-Cresol , 2-Methoxy-6-methyl-phenol and catechol. The  characteristic  results  have been  obtained  is approaching the characteristics of fuel oil and bio-oil standard. Keywords : Bio-oil, pyrolysis, Nipah and NiMo Catalyst/ Cengar Clay
Konversi Termal Kayu Ketapang (Terminalia Catappa) Menjadi Bio-Oil Dengan Teknologi Pirolisis Menggunakan Katalis Ni/Lempung Yopalim Zanstra; Syaiful Bahri; Amun Amri
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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Abstract

This research aims to produce bio-oil from ketapang (Terminalia catappa) as an alternative fuel. Variables studied the effect of the weight ratio of the catalyst Ni / clay to the biomass, the influence of the metal impregnation Nickel (Ni) on clay and characterization of physical and chemical properties of bio-oil produced. Pyrolysis process carried out at a temperature of 320°C, silinap 500 ml, 50 grams of biomass with + 100-200 mesh sieve size, variations in the catalyst Ni / clay to the biomass of 3%, 6% and 9% by weight and the variation of Ni metal Impregnation against Clay at 0% , 1%, 2%, 3%. The results was analyzed by using Gas Chromatography Mass Spectroscopy (GCMS) and showed the largest yield of bio-oil on the use of catalyst Ni/clay 6% by weight of the metal content of 3% at 71,1%. The physical properties characterization of bio-oil were obtained 0.79 g/ml for density, 2.1982 cSt for viscosity , 68.193 mg NaOH/g sample for acidity and 54oC for flash point. For the chemical properties characterization of bio-oil were obtained some dominant chemical components such as acetic acid , 2-propanone , glycidol, and 1-Hydroxy-3-sulpho-6-aminonapthalene.Keywords : Bio-Oil,Catalyst Ni/Clay,Ketapang,GCMS,Pyrolysis.
Pembuatan Biodiesel Dari Minyak Biji Kapuk (Ceiba Pentandra) Dengan Katalis Lempung Teraktivasi; Pengaruh Konsentrasi Katalis Dan Aktivasi Katalis Nurhasanah Nurhasanah; Syaiful Bahri; Edy Saputra
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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Abstract

Biodiesel is a methyl ester transesterification reaction products of triglycerides derived from vegetable oils or animal fats. One among of vegetable oils that can produce biodiesel is kapok seed oil. Kapok seed oil had higher levels of unsaturated fatty acids are high that they could be made to produce biodiesel. This research is aim to make biodiesel from kapok seed oil, studying the effect of concentration of activated clay catalyst to the amount of biodiesel produced, determine the characteristics of biodiesel from kapok seed oil and determine the best catalyst activation of the activation of acid or base. The transesterification process occured at a temperature of 60oC, the weight of oil 50 grams, the reaction time 1,5 hours, mole ratio of oil to methanol 1 : 9, variation of the catalyst concentration 0,1%, 0,5%, and 1%-weight of oil, and variations of acid solution (0,47%, 0,62%, dan 0,78%) and alkaline solution (0,33%, 0,44%, 0,66%) for activation of catalyst. From the result is obtained the highest biodiesel of 1% catalyst concentration of acid activation 0,78%, methanol mole ratio of 1: 9 for 1,5 hours as much as to 92,62 %. Characterization of physical properties of biodiesel is density of 871 kg/m3, 3,11 mm2/s kinematic viscosity, acid number 0.36 mg KOH / g sample, and the flash point 200oC respectivity.Keywords: biodiesel, catalysts, clay, activation of acids, activation of bases, transesterification
Pirolisis Kulit Pinus Merkusii Menjadi Bio-Oil Menggunakan Katalis Mo/Lempung Cengar Inget Yester Yunanda; Syaiful Bahri; 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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Increasing population and industrial activities in Indonesia caused the consumption of petroleum increased while petroleum reserves continue to decline, so is very important of searching for alternative energy sources instead of petroleum. the biomass of pine bark considered as waste that pollutes the environment it can be used as source of fuel to produce bio-oil by means of pyrolysis using catalyst Mo/ Clay. The purpose of this research is to make bio-oil from pine bark using a catalyst Mo/clay by pyrolysis process, as well as test physical properties of the bio-oil, and to determine the effect of variation the carrier of the catalyst metal catalyst weight variations against of biomass. In this research pine of bark by the size of -60+80 mesh, 50 grams, 500 ml silinap and catalyst Mo / clay inserted into of pyrolysis reactor. This process conducted at a temperature 320oC and the stirring speed of 300 rpm operate for about 120 minutes by flowing nitrogen gas. For the optimum yields obtained at 1% catalyst Mo/clay as much as 9% of biomass that is equal to 68.46%. The test results physical properties obtained density of 0.78 g/ml, 1.77 cSt viscosity, acidity 25.79 mg NaOH /g sample and the flash point 54oC. Results of analysis compound chemical using GC-MS, obtained the dominant chemical components in the bio-oil is 2-Pentene 19.05%, 1-Pentene 9.88%, 8.72% Cyclohexane, Pentane 7.7% and Silane 3, 32%.Keywords: biomass, bio-oil, catalyst mo/clay, pine bark, pyrolysis
Pirolisis Kayu Ketapang (Terminalia Catappa) Menjadi Bio-Oil Menggunakan Katalis Mo/NZA Ridho Fahrozi; Syaiful Bahri; Khairat Khairat
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
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Abstract

Petroleum is explored and consumed everyday, while the formation process takes millions of years. Therefore, it need alternative energy which not dependent on fossil resources and can be renewable, one of them is to produced bio-oil from biomass. One of the potential biomass which used as raw material for bio-oil is Terminalia catappa. Biomass can be converted to bio-oil by the way of pyrolysis. The purpose of this study determine the effect of developing of metal (0%, 0.5%, 1% and 1.5%) and variation of Mo/NZA catalyst to produce bio-oil and characterized the physical and chemical properties bio-oil. Pyrolysis of Terminalia catappa with Mo/NZA catalyst in the slurry reactor has been done by feeding 50 grams of Terminalia catappa with the size -100+200 mesh, silinap 500 ml, variation in levels of catalyst 1%, 2%, 3% w/w of the feedstock, at 320oC for 120 minutes. The results showed that the optimum yield obtained on 0.5% Mo/NZA catalyst in level of catalyst 3%, amounting to 68.53%. The test results showed that the physical properties of density 0.979 g/ml, viscosity 3.27 cSt, flash point 52°C and acidity 48.49 mg NaOH/gram of sample. The results of chemical analysis by GC-MS, obtained the dominant chemical components in bio-oil were acetaldehyde 6,98%; acetic acid 58.42%; 2-propanone 11.04%; propanoic acid 4.36% and 2-furancarboxaldehyde 5.55%.Keywords: Alternative energy, Biomass, Bio-oil, Mo/NZA, Pyrolysis, Terminalia catappa
Konversi Termal Kayu Ketapang (Terminalia Catappa) Menjadi Bio-Oil Dengan Teknologi Pirolisis Menggunakan Katalis Ni/Nza Arbhy Indera Ikhwansyah; Syaiful Bahri; Edy Saputra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Availability of petroleum as a fuel that can not be updated further reduced by increasing the use of oil for human needs. For that we need to do a conversion innovation of energy that donot depend on fossil resources and can be renewable and have an output similar to that produced from fossil resources. One such innovation is the conversion of biomass derived from terminalia catappa wood to bio-oil. Bio-oil can be produced by pyrolysis of terminalia catappa wood with catalyst Ni/NZA. Objective this research to produce bio-oil from terminalia catappa wood as an alternative fuel, studying the effect of the weight ratio of the catalyst Ni/NZA to the biomass, studying the effect of metal impregnation Nickel (Ni) on Natural Zeolite deAluminated (NZA) and characterization of physical properties and chemical properties of bio-oil. Process pyrolysis was carried out at 320 0C, silinap 500 ml, 50 grams of biomass with + 100-200 mesh sieve size, variations in the catalyst Ni/NZA to thebiomass of 2%; 4% and 6% by weight and Ni metal variation on Natural Zeolite deAluminated (NZA) of 0%; 1%; 1,5% and 2%. The results of this study produce bio-oil yields the largest on the use of the catalyst Ni/NZA 4% by weight of the metal content of 2% by 68,22%. Characterization of physical properties of bio-oil obtained in the form of density 0,806 g/ml, 7,591 cSt viscosity, acidity 74,078 mg NaOH/g sample, flash point 45,971 0C andcalorific value 43,708 MJ/kg. While the characterization of the chemical properties of bio-oil using Gas Chromatography-Mass Spectroscopy (GCMS) obtained some dominant chemicalcomponents such as acetic acid and an area of 60,84%, 2-propanone with an area of 12,64%, 1,2-ethanediol with area of 8,60%, propionic acid and an area of 5,60% and methyl acetate and an area of 3,76%.Keywords: bio-oil, catalyst Ni/NZA, pyrolysis, terminalia catappa wood
Pembuatan Biodiesel dari Limbah Ikan Baung Dengan Katalis Padat Lempung Sukiman Hernanda; Syaiful Bahri; Yusnimar Yusnimar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Biodiesel as an alternative diesel fuel are made from renewable biological resources, such as vegetable oils and animal fats. In Indonesia, fish production increase every year, so the waste of fish disposal usually is rising as well. Therefore, it is necessary to take advantage of new innovations of fish waste to biodiesel. In this research, conversion of the fish baung disposal to biodiesel has been done. By using a clay catalyst “lempung cengar”. Firstly, the fish disposal was heated for 4 hours. Then, oil was extracted from the fish disposal by pressed manually. Afterward, oil was converse to biodiesel by using a transesterification reaction with methanol as a reactan and a lempung cengar catalyst. The transesterification reaction was conducted under condition temperature 600C, stirring ± 150 rpm and a reaction time 210 minutes. In order to get a biodiesel yield maximally, variations of ratios sample and methanol (1:3; 1:6; 1:9), variation of a clay catalyst (0.5%, 1%, 1.5% w/w) were applied in this research. The result showed than biodiesel yield maximum around 78.01%, under condition ratio between oil and methanol 1:9 and catalyst 1% of amount oil total. Based on physical properties analysist of biodiesel it has density 882 kg/m3, viscosity 5.18 cSt, acid number 0.63 mg-KOH/gr sample, and heating value 1450C respectively. In addition, oil was determined it is chemical properties by GC-MS method before it was applied in the transesterification reaction. Oil has oleat acid 49.10%, behenat acid 29.34%, stearat acid 4.69%, 9 heksadekanoat acid 2.64%, and palmitat acid 0.22%.         Key word: Fish oil, Baung fish, Biodiesel, Clay catalyst, Transesterification reaction
Hidrodeoksigenasi Pirolisis Kayu Ketapang (Terminalia Catappa L) Menjadi Bio-Oil Menggunakan Katalis Mo/Lempung Andi Mulya Adha; Syaiful Bahri; Zuchra Helwani
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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Abstract

Bio-oil can be produced by hydrodeoxygenation pyrolysis of terminalia catappa wood using Mo/Clay catalyst. Objective of this research is to produce bio - oil from catappa wood using hydrodeoxygenation pyrolysis method, determine the effect of hydrodeoxygenation temperature and percentage of Mo/clay catalyst to the yield of bio - oil produced, as well as determine the effect of hydrodeoxygenation pyrolysis on physical properties and chemical properties of bio - oil produced. Hydrodeoxygenation pyrolysis process was carried out using catappa woody biomass 50 grams with -100 + 200 mesh sieve size, silinap 500 ml, variation Mo / clay catalyst to the biomass amounted to 0 %; 0,5 %; 1,5 % and 2,5 % by weight to biomass and hydrodeoxygenation pyrolysis temperature variations are: 300, 310, 320, and 330°C. Results of this study produced bio - oil yields the largest on the use of Mo / clay catalyst 1,5 % by weight to biomass and temperature of 320°C which is 65,477 %. Characterization of physical properties of bio - oil measured of density of 0,909 g /ml, 1,797 cSt viscosity, acid number 30,089 mg NaOH / gram sample, 48 °C flash point and calorific value 44,725 MJ / kg. Respectively the characterization of the chemical properties of bio - oil using Gas Chromatography - Mass Spectroscopy (GC - MS) obtained some dominant chemical components such as: (2,4,4-trimethyl, 2-pentene), (2,2,4,4-tetramethyl, Pentane), (3 (3,3-dimethyl butyl), Cyclohexanone), (5,5-dimetyl, 2-Hexene), and (1-propene, 2-methyl, tetramer). Keywords: bio – oil, catappa wood, hydrodeoxygenation pyrolysis, Mo/clay catalyst
Pengaruh Waktu Reaksi Pada Sintesis Biodiesel Dari Minyak Jarak Pagar (Jatropha Curcas) Menggunakan Katalis La/Lempung Muhammad Sulthon Siregar; Syaiful Bahri; Khairat Khairat
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 1 Januari s/d Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Jatropha curcas is used as a raw material for making biodiesel because the oil content of jatropha seeds is quite high around 30-50%. In this study, the transeterification of Jatropha oil into biodiesel has been conducted using La/Clay catalyst. This catalyst is made by clay activated using a NaOH base solution with concentrations 1N, 2N, and 3N and impregnated using metal La 1%, 3%, and 5% w/w. La/Clay catalysts were characterized using SEM-EDX and BET. The catalyst obtained proved has a surface area of 6.37 m2/g. La/Clay catalyst is used as a catalyst in the transesterification reaction with a variation of reaction time (120 minutes, 150 minutes and 180 minutes). Effect of catalyst activation, metal La impregnation, and time of transeterification reaction on biodiesel yield has studied. From the results obtained, the best condition was the activation of clay catalyst activation using NaOH 3N, 5% lanthanum metal impregnation, and 180 minutes of transesterification reaction time, obtained 84,64% biodiesel yield. The produced biodiesel fulfilled SNI 7182:2015 having characteristics: density 884 kg/m3, viscosity 4.08 cSt, acid number 0.46 mg-KOH/g, and flash point 136 °C.Keywords: biodiesel, jatropha curcas oil, la/clay, transesterification, yield
Co-Authors ', B. Isyandi ' -, Sunarno Abd. Mukti, Abd. Abd. Rasyid Syamsuri Abid, Hussein Rasool Abu Bakar Adam Fadillah Ade Evi Fatimah Adelina Samosir Adita Sukma Ramadhania Afina, Zahira Afria Anggreini Afrielyanda H Agung Abadi Kiswandono Agus Faisal Asyha Ahmad Fadli Ahmad Fuad Ahmadi, Peni Ainol Yaqin, Ainol Ajmal, Muhammad Alhajj, Irfan Qowwiyul Aziz Alhamid, Ipa Fatma Almasdi Syahza Altarawneh, Mohammednoor Aman aman Ambarwati, Yuli Amilia Linggawati Amini Amini Amiruddin Amiruddin Amun Amri Andari , AA Andi Mulya Adha Andi Setiawan ANDI WIJAYA Anggreini, Winsa Septi Anisa, Lia Rizqi Nur Anna Apryana Annisa, Devi Nur Annisa, Eka Dini Antania, Livia Anwar Sumianto Aprilia, Tika Dwi Arai, Masayoshi Arbhy Indera Ikhwansyah Ari Aditia Sukma Ari Sandhyavitri Aria Gusti Ariasih, Rr. Arum Aries Saifudin Arinda, Shafira Aprilla Aritonang, Muhibbah Asad, Muhammad Mujtaba Asman, Pendi Aspita Laila Aulia Rahman Aura Dhayang Fiarizky Ayumi, Eksa Azhar, Muhammad Rizwan Aziz, Melly Pusvita Baharudin Baharudin Baryanto Berghuis, Nila Tanyela Bernard Isyandi Brilliant Asmit Bunga Fitriani Gumadita Bustamam, Nurbaity Chairul Chairul Chairul Chairul Chartady, Rachmad Damanik, Khairunnisa Dani Ali, Nurhalim Daud, Attaillah Dedi Afandi Dedy Hidayatullah Alarifin, Dedy Hidayatullah Desak Made Yoniartini Desi Heltina Dhani Nur Miftahudin Dian Agustin Djaimi Bakce Dzaljad, Rifma Ghulam Edwidya Ocktaviani Armay Edy Saputra Edy Saputra Effendi, Mardian Effendy, Sjahril Ekadian Lestari Simatupang Eko Prihandono Ella Awaltanova Elvi Yenie, Elvi Elvianto Dwi Daryono Emi Tipuk Lestari *, Emi Tipuk Lestari Erlisa Yanuari Putri Ermiyati Erniwati Erniwati Fabryza, Dhina Fadillah, Ryan Faizal, Doddy Fajar Restuhadi Fathiyah Zulfahni Febrian, Ramadhoni Feby Pratama Nugraha Feni Nopriza Figna, Harry Pratama Fikri, Muhammad Fathan Fiqna, Harry Pratama Firman syah Firmansyah, Muhammad Yusuf Fistiyanti, Davinta Fitra Marsela Fitriani Fitriani Fitriani, Nurdiana Friska Octavia Rosa, Friska Octavia Ganjar Andhulangi Genardus Oktavri Sijabat Habibie, R. Fikry Nanda Hade Karimata Hadyan Sartoni Hafidz Nifa, Muhamad Hajar, Muhammad Nurul Hambali, Ach Hamdali, Hamdali Hammad, Hammad Harahap, Ahmad Indra Harahap, Dosma Gabena Hardiansyah Hardiyanto, Candra Hari Setiono, Hari Hartono, Arif Haryo Satriya Oktaviano HASANAH, IDA FADIRATUL Hasnul Bustaman Hasrudy Tanjung, Hasrudy Hedri Yanti Hery Widijanto Hesty Rodlotu Yula Hetti Zuliani, Hetti Husna, Zakiyatul Hutahaean, Agung Mangalambok I KADEK ADHI DWIPAYANA . I Nengah Suandi I Wayan Suastra Ibnu Oktariza Ida Bagus Putu Arnyana Idi Warsah Idral Amri Ilim, Ilim Ilmi, Assyifa Aini Ilmiddaviq, M. Bahril Inget Yester Yunanda Irawan, Nopi Irdoni Irdoni Irlani, Intan Irnaliah, Irnaliah Irwan Fathurrochman, Irwan Irwan Irwan Isma Swadjaja Isnaini, Nurdiana Fitri Iswadi Idris James Becker Jefriadi Jefriadi Jiang, Zhong Tao John Hendri Julian, Risma Juliasih, Ni Luh G. R. Juliasih, Ni Luh Gede Ratna Jumira Warlizasusi Karim, Ahmad Fauzun Karina Octaria Putri Keisya, Nurul Khairat Khairat Khairat, Khairat Khairul, Anapuja Khairunnisa, Zhafira Amriyatti Kharismatunnisaa, Fiona Khoiriyah, Alfiatul Kholil, Moh. Kinanti Kinanti, Kinanti Kiswandono, Agung A. Laila Kusmiati Lailatul Qomariyah, Lailatul Lalu Erwan Husnan, Lalu Erwan Larasaty, Anisya Lestari, Miranti Tri Lianingsih, Firli Dwi Lisna Efiyanti Lubis, Afandi Husin Amin Syahrul Lutfiah, Rosyidatul M Arfi Adharyandy Firman M. Nasor, M. Makkah Ramadhan Putra Rizal Margrety, Betty Margunaji, Agus Maya Sista, Eliya Meliagustin, Adilla Mhd. Reza Pahlepi Miftahudin, Dhani Nur Miran, Hussein A. Miswaty, Miswaty Mita Rilyanti Mitri Irianti Mizna Sabilla Mohammad Muhibbin Muhammad Amin Muhammad Azlin , Dico Muhammad Disro Muhammad Imam Nugraha Muhammad Isa Alamsyahbana Muhammad Ismet muhammad rizky, muhammad Muhammad Sulthon Siregar Muhammad Zulfikar Adha Muhdarina Muhdarina . Muhdarina Muhdarina Muhtadi Muhtadi MUIS FAUZI RAMBE Mukti, Lailatul Latifa Mulyadi Mulyadi Mulyono Mulyono MURNI YANTO Musbar, Al Swendo Nabila, Abelia Najmuddin MA, Najmuddin nasir, muh Nasution, Jamilah Aini Nia Meisa Wulandari Nifa Abdillah, Muhamad Hafidz Norlena Notiragayu, Notiragayu Nova Dwi Safitir Nur Ainiyah Nurbaity, Nurbaity Nurfaradina, Zaskia Ayu Nurfatihayati Nurhaeni Nurhaeni Nurhasanah Nurhasanah Nurhasanah Nurhasanah Nurhayati Nurhayati Nurhayati, Nurhayati Nurkholimah, Siti Nurlis Nurlis Nurmarita, Nurmarita Oci Khairani Oktarina, Rasmi Zakiah Oktaviyana, Amiliya Pambudi, Naufal Prawiranegara, Barata Aditya Prayoga, Mohammad Dicky Puji Prasetyo, Angga Puji, Lela Kania Rahsa Purba, Doni El Rezen Purwadi, Ofik Taupik Putri Azizah Putri, Karina Octaria Putri, Nazla Syafrina Qudus, Hardoko Insan R. Supriyanto R.Y, Silvia Rachma, N. Rahmadani, Natasya Suci Rahmah, Yulia Rahman, M. Mahbubur Rahman, Waqi’ Rahmansyah Rahmansyah Rahmiyati, Evi Rais , Wendi Raja Valti Mhd Siregar Rajib Azri Ramin, Moh. Ranum Anggun Sari, Ranum Anggun Ratna Dian Armalita Raudhatul Jannah Raudloh, St. Regina Gita Riani Dio Renia Navivin Revita Sari Riady, Yasir Riansyah, Muhammad Ridho Fahrozi Ridwan Siskandar Rifa’I , Ahmad Rinawati Rinawati Rinawati Rinawati Rinny Jelita Rino Hasanatul Isra Risca Dwiaryanti, Risca Rizal, Makkah Ramadhan Putra Rizka Aulia Hardi, Rizka Aulia RM Riadi Rofiqi, Ahmad Romie Jhonnerie Rosalina, Fira Rosita, Dara Ryan Dhika Priyatna S Siswanto Sabrina, R Salim Aktar Salim, Sulaiman Samawi, Oscar Raihan Saputra, Adika Saputra, Yourdan SAPUTRI, KENI APRILIA Saputri, Rafhita Ika Sari Rahma Yanti Sari, Linda Nevia Sari, Silvya Reza Novita Sarma, Deki Savitri Larasati Setiadi, Fydel Setianingsih, Ayu Setiawan, Fendi Shabira, Qonita Shahib, Abdul Sheiscatamya, Vezhia Shubhi, Muhammad Silvi Puteri Anggraini Silvia R.Y Siti Nurbaya Siti Nurul Khotimah siti rahmah Sofi Dwi Octavia Ningtiyas Sri Waluyo Subangkit Julio Jaya Sucipto Sufi, Sutan Badarudin Sugeng, Santoso Sugiyanto - Sukiman Hernanda Sukitman, Tri Sulistyawati Sulistyawati Sulton Sholehuddin, Sulton Sunarno Sunarno - Sunarno Sunarno Sunarno Sunarno Suratman Suratman Surya Romadani Sutopo Hadi Sutrisno, Sutrisno Suwanto Suwanto Syaddad, VirzqiZulviqar Syafrial Nur Syamsu Herman Syamsuri T. Ariful Amri Tahir, Tahir Tanjung, Muhammad Hafiz Taufik Kharnofa Tirsya, Riana Tresia Monika Natalia Sinaga Tri Okta Ratnaningtyas Utama, Panca Setia WAWAN ABDULLAH SETIAWAN, WAWAN ABDULLAH Wega Trisunaryanti Widiarto, Sonny Widiarto, Sony Wisrayetti Wisrayetti Wisrayetti, Wisrayetti Wulandari, Ika Rizki Wulandari, Revika Yanto, Murni Yatim Lailun Ni’mah Yelmida Azis Yeni Puji Astuti Yeni Rizki Yenni Octavia Yopalim Zanstra Yuli Ambarwati Yulianti Yulianti Yuliati Eka Putri Yuliatmi Yuliatmi Yumna, Nada Ibtihal Yusnimar Sahan Yusuf Yusuf Zainuddin, Zainuddin Zetria Pujiana Zipora Sembiring Zuchra Helwani Zuchra Helwani, Zuchra