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Pirolisis Kayu Cemara (Casuarina Equisetifolia) Menjadi Bio-Oil Dengan Menggunakan Katalis NiMo/Lempung Hade Karimata; Syaiful Bahri; 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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Abstract

The basic of national energy problem this era is consumtion of fossil energy that increase rapidly which not equal with source of fossil energy itself. Requirement for the source of energy which increasing and petroleum reserve as source of primary energy which continuing attenuate to become the main reason for the importance of searching for alternative energy sources instead of petroleum. Biomass specially pine wood only considered as waste that pollutes the environment, whereas the pine bark is biomass that can be processed to become alternative energy that is bio-oil. Bio-oil can be produced through pyrolisis process using catalyst NiMo/clay. This research aim to study the effect of the ratio of amount of catalyst to biomass which have variation of 3%, 6% and 9% w/w respectively and also the effect of NiMo metal consentrate on clay equal to 0%, 1%, 2% and 3% w /w respectively of the yield bio-oil produced. In this research, pine bark biomass as muches 50 grams with particle size of -100+200 mesh, silinap 500 ml, and catalyst NiMo/clay placed into pyrolisis reactor. Process of pyrolisis is conducted at temperature 320 oC and stirring speed of 300 rpm during 120 minute with stream of nitrogen gas (N2) as inert gas. The result obtained indicated that optimum yield obtained at 2% catalyst NiMo/clay as much as 9% of biomass that is equal to 51,102%. Physical properties test result obtained that is density (1,0429 gr/ml), viscosity (9,307 cSt), acid number (22,470 mg of NaOH/gr of sample) and flash point (53 oC) respectively. Result of chemical analysis with GC-MS, obtained the dominant chemical components in bio-oil are Cyclohexane, Cyclohexanone, Pentane, 1-Pentene, 2-Pentene.Keywords: Biomass, Bio-oil, Catalysts NiMo/clay, Pine Wood, Pyrolysis
Sintesis Surfaktan Metil Ester Sulfonat (MES) Dari Palm Oil Metyhl Ester (POME) Dan Natrium Bisulfit (NaHSO3) Dengan Variasi Suhu Sulfonasi Dan Rasio Mol Pome : NaHSO3 Yuliatmi Yuliatmi; Syaiful Bahri; Yelmida Yelmida
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Methyl Ester Sulfonate (MES) is an anionic surfactant which is currently being developed. These surfactants can be produced from palm oil methyl ester. MES produced from sulfonation reaction with addition of sulfonation agents. MES can be synthesized from Palm Oil Methyl Ester (POME) and Sodium Bisulfite (NaHSO3) as the sulfonation agent with Calcium Oxide as the catalyst. The aims of this research are to determine the characteristic of the product, and to determine the effects of temperature and mole ratio of the product produced. Sulfonation process was carry out at the temperature of 80, 100, 120°C, the mole ratio of 1:1, 1:1,5, 1:2, the stirring speed of 450 rpm, and the time of 6 hours. Then purification of the MES surfactant and product analysis is carried out. The best characteristic of the MES is at temperature 100°C and mole ratio 1:2 with the density of 0,860 gr/ml, the viscosity of 1,966 cP, the pH of 3,53, the surface tension of 37,45 dyne/cm, the interfacial tension of 26,3 dyne/cm, the emulsion stability of 89%, and the yield of 83,25%.The surface tension is accordance to the commercial MES.Keyword : MES, POME, Sulfonation, Surfactant, Surface Tension.
Pirolisis Biomassa Pelepah Sawit Menjadi Bio - Oil Dengan Katalis Natural Zeolit Dealuminated (NZA) Rajib Azri; Syaiful Bahri; Aman Aman
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
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Abstract

Petroleum as a primary energy source at this time, increasingly limited supply. Beside the population growth will lead to the increasing need for petroleum. To overcome these problems needed alternative energy sources that can be updated is one of the bio-oil. Bio-oil produced by pyrolysis process using biomass with warming, in the absence of oxygen. The purpose of this study was to determine the effect of variations in the catalyst on the yield of bio-oil produced, knowing the value of density, viscosity, acid number and flash point of bio-oil as well as knowing the chemical components of the bio-oil by GC-MS method. Pyrolysis uses palm frond as much as 50 grams along with 500 ml silinap with NZA catalysts variation of 0%, 1%, 2%, 3%, and 4% w / w with a stirring speed of 300 rpm and a temperature of 320 º C for 120 minutes. In this penelitiam largest yield obtained on the catalyst NZA 3% variation of 44.4%. Characteristics of physical properties obtained are: density of 0.996 g / ml, 11.733 cSt viscosity, acid number 79.34 g NaOH / g sample, as well as the flash point 58 º C. The results of GC-MS analysis, the dominant chemical components in bio-oil are acetic acid (40.90%); methanol (9.60%); methyl ester (2.30%); phenol (32.88%); 2-furancarboxaldehyde (8.98%).Keywords : Bio-oil, Pyrolysis, NZA, Palm Frond
Konversi Tongkol Jagung Menjadi Bio - Oil Dengan Bantuan Katalis Zeolit Alam Secara Pyrolysis Siti Rahmah; Yusnimar Sahan; Syaiful Bahri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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Abstract

Bio-oil is obtained from corn cobs  (Zea mays  L.)    biomass by using pyrolisis process with a natural zeolite catalyst ratio between the sample and catalyst. This research was conducted by using a pyrolysis reactor, 500 ml of thermo-oil (silinap) are fed into the reactor pyrolisis . Then the pyrolisis process is started by flowing the nitrogen gas 1.35 mL / sec into the reactor and  pyrolisis process is aloowing run 3 hours. In order to get the maximum yield of bio-oil, there were determined the affect of ratio variation between biomass and catalyst (50:1, 50:2 and 50:3 g), and variation of pyrolysis temperaturec(270, 300 and 330oC). as a comperison the pyrolysis process without a catalysthas done. The result of this research, the higher yield of bio-oil is 84,9% which obtained under condition ratio a sample and a catalyst 50:2 g, and a pyrolysis temperature 330oC. Based on the result of characterized of bio-oil, density is 0.899 g / ml , 7.133 cSt viscosity , acid number 0.097 g NaOH / g sample , and the flash point 54 º C. Based on the results of GC-MS analysis showed that the dominant component in the bio-oil by using 2 grams of natural zeolite and 330oC are Cyclohexane,1-ethyl-1-methyl 15.96 %; pentan ,2,2,4, 4 tetramethyl 5.78%; 1-pentene, 2,4,4  –  trimethyl 5.78%; 2,3,4,4-trimethyl-pentene 4.99% and 2-pentene,2,4,4-trimethyl 2.44 %. Key Word : Bio-oil, Corn Cobs, Natural Zeolite, Pyrolisis.
Pembuatan Biodiesel Dari Sawit Off Grade Menggunakan Zeolit Alam Teraktivasi Sebagai Katalis Pada Tahap Transesterifikasi Romie Zulfadli; Zuchra Helwani; Syaiful Bahri
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

Indonesia has big amount of natural zeolite reserve which is spread in Sumatra, Java and Borneo. It can be utilized as catalyst in transesterification step to produce biodiesel from off grade palm fruit. This research aims to produce biodiesel from low quality raw material and determine the effectiveness of the process by looking at the process conditions effect such as temperature, methanol/oil molar ratio and catalyst concentration on the yield of biodiesel. Biodiesel production from off grade palm oil is done with two step reactions, that is esterification and transesterification. The esterification step is done to reduce free fatty acid (FFA) concentration till <2% as condition in transesterification step. Esterification step use H2SO4 as catalyst, whereas modified zeolite with KOH solution use in transesterification step. Both of process are done in three-neck flask, using magnetic stirrer and condenser. FFA concentration from raw material can be reduce from 11,32% to 0,989% in esterification step with 12:1 methanol/oil ratio, 60 oC temperature and 1%-wt catalyst concentration. Biodiesel with highest yield from transesterification step is 95,84% at 60 oC temperature, 8:1 methanol/oil ratio and 7,36% catalyst concentration. The result of research furthermore processed by Response Surface Methodology (RSM) to determine the effect of process condition toward biodiesel yield. Based on P-value analysis, process conditions that have real effect to the response (biodiesel yield) are temperature and catalyst concentration. Keywords :  Biodiesel, Esterification, Natural Zeolite, Off Grade Palm Fruit, Response Surface Methodology (RSM), Transesterification.
Pirolisis Kayu Pinus (Pine Merkusil) Menjadi Bio - Oil Menggunakan Katalis NiMo/NZA Irwan Irwan; Syaiful Bahri; Amun Amri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
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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 do not 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 pine merkusii wood to bio-oil. Bio-oil can be produced by pyrolysis of pine merkusii wood with catalyst NiMo/NZA. Objective this research to produce bio-oil from pine merkusii wood as an alternative fuel, studying the effect of the weight ratio of the catalyst NiMo/NZA to the biomass, studying the effect of metal impregnation Nickel (Ni) and Molybdenum (Mo) 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 NiMo/NZA to the biomass of 3%; 5% and 7% by weight and Nickel-Molybdenum metal variation on NZA of 0%; 1%; 2% and 3%. The results of this study produce bio-oil yields the largest on the use of the catalyst NiMo/NZA 5% by weight of the metal content of 3% by 65,076%. Characterization of physical properties of bio-oil obtained in the form of density 0,986 g/ml, 15,816 cSt viscosity, acidity 36,879 mg NaOH/g sample, flash point 48 0C and calorific value 39,12 MJ/kg. While the characterization of the chemical properties of bio-oil using Gas Chromatography-Mass Spectroscopy (GCMS) obtained some dominant chemical components such as phenol (19,42%), toluene (13,48%), tetradecanoic acid (12,93%), phenol,2-methoxy (12,18%), acetone (11,72%), benzene,1,2-dimethoxy (9,30%), and 2-furancarboxaldehyde (3,76%).Keywords: bio-oil, catalyst NiMo/NZA, pine merkusii wood, pyrolysis
Produksi Bio - Oil Dari Biomassa Pelepah Sawit Menjadi Bio-Oil Menggunakan Katalis Co/Lempung Dengan Metode Pirolisis Edwidya Ocktaviani Armay; 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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Petroleum as source of fossil fuels that were not renewable energy and nearly exhausted while the consumption of energy always have been increase time by time. One of alternative energy that can solve this problem is bio-oil from biomass such as frond palm. Bio-oil can be produced through pirolysis process of frond palm using Co/Clays Cengar. The research purpose is knowing effect of the ratio of catalyst Co/Clays Cengar on yield of bio-oil that produced by pyrolisis process from frond palm. Pyrolysis used biomass 50 gram, silinap 500 ml and Co/Clays Cengar catalyst which variated by 0, 1, 3 and 5% wt on frond palm at 330oC and mixed rotation 300 rpm. The results showed that the maximum yield obtained at the level of developing of a metal catalyst Co 1% of the clay that is equal to 50 %. Thetest results obtained by the physical properties of density 1,0042 g/ml, 10,493 cSt viscosity, acid number of 0,42976 g NaOH/g sample and the flash point is 52º C. The results obtained have characteristics approaching the characteristics of standard fuel oil and bio-oil.Kata Kunci : Bio-oil, Co/Clays Cengar, Frond Palm, Pyrolysis
Upgrading Crude Bio-Oil (CBO) Dari Biomassa Menjadi Upgrade Bio-Oil (UBO) Dengan Katalis Ni/Lempung Subangkit Julio Jaya; Syaiful Bahri; Edy Saputra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Objective of this research is to upgrade quality of bio-oil product from biomass of acacia. In this study several parameters were determined such us determine the effect of temperature reaction and ethanol : bio-oil ratio. And then compared physical and chemical characteristic of crude bio-oil (CBO) to upgraded bio-oil (UBO). In upgrading process, mixture of bio-oil and ethanol 36 gram, Ni/clay catalyst 0,3 gram, with variation of ethanol : bio-oil ratio are 5:1 (30 gram ethanol : 6 gram bio-oil), 3:1 (27:9) , 2:1 (24:12) and 1:1 (18:18) as well as temperature reaction variations are 60, 70 and 80 oC. The highest result on bio-oil yields 1:1 ratio and 60 oC was away 79,25% with calorific value increase from 3,784 into 18,339 MJ/kg. The dominant chemical components in crude bio-oil (CBO) such us aldehydes (58,91%), acids (13,43%) and esthers (12,26%) while in upgraded bio-oil (UBO) such us aldehydes (27,45%), phenols and furans (22,75%), alkanes and alkenes (19,48%), esthers (14,84%) and acids (1,53%) respectively. Keywords: bio-oil, upgrading bio-oil, crude bio-oil (CBO), upgraded bio-oil (UBO)
Pembuatan Bio-Oil Dari Tandan Kosong Sawit Dan Pelepah Sawit Dengan Teknologi Pirolisis Menggunakan Katalis Ni/NZA Anwar Sumianto; Syaiful Bahri; Khairat Khairat
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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Abstract

Estimated consumption of petroleum will increase until 2015 reached 610 million barrel, while supply production of petroleum decrease untill 280 million barrel at 2025 years.. Therefore, there was estimated that oil stock will run out about 24 years away. Consesquently, it was necesarry alternative fuels to replace petroleum oil, one of them was by converting biomass into bio-oil with pyrolysis technology and catalyst. The purposes of this research was to determined physical and chemical characteristic of bio-oil that produced from oil palm empty fruit bunches and palm fronds, determined the effect of impregnation Ni metal to the resulting yield, and then determined the effect of the amount of catalyst to bio-oil yield. Pyrolisis processes carried out 50 gram oil palm empty fruit bunches or palm fronds (-100 + 200 mesh), Ni/NZA with ratio of metal (0%,1 %, 2% and 3% by weight percetage) and ratio of weight catalyst (3%, 5 % and 7 % by weight percetage) and 500 ml silinap at 3200C, stirred 300 rpm with nitrogen gas flow. The highest yield obtained on theratio weight of catalyst used 7% and 3% ratio of Ni metal were amounted at 67,9% for oil palm empty fruit bunches and 56,2% for palm fronds. Characteristic of the production of bio-oil were 1,014 gr/ml density, 9,096 cSt viscosity, the acid number was 43,10 mg NaOH/gr sample and flash point at 510C for empty fruit brunches, were 0,991 gr/ml density, 7,370 cSt viscosity, the acid number was 23,929 mg NaOH/gr sample and flash point at 540C for palm fronds. From the GC-MS analysist, the dominant compound from bio-oil were 2,4,4-trimethyl-2-pentene, 5,5-dimethyl 2-hexene, 3-(3.3-dimethylbutyl)-cyclohexanone and 1-ethyl-1-methyl cyclohexane. Keywords : bio-oil, catalyst Ni/NZA, palm frond, palm empty fruit bunches, and pyrolysis
Pirolisis Kulit Kayu Pinus (Merkusii) Menjadi Bio-Oil Dengan Katalis Mo/NZA Yuliati Eka Putri; Syaiful Bahri; 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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Abstract

Global issues becoming a serious discussion in the depletion of oil reserves and coal. Dependence at fuel on nonrenewable energy sources should be avoided, sooner or later energy sources will run out. We have to look for other sources of energy that can be updated to cope of with these problems. One of the alternative energy that can be developed bio-oil. Bio-oil is produced with the use of biomass by pyrolysis process. The purpose of this research is to determine the effect of Mo metal on the catalyst Mo / NZA as well as influence of the catalyst on the bio-oil produced. Physical properties such as density, viscosity, acidity and a flash point of bio-oil were measured. And the chemical components of the bio-oil measured by GC-MS method. Pyrolysis using pine bark as much as 50 grams along with 500 ml silinap with variations Mo metal to NZA 0%; 0,5%; 1% and 1,5% w / w and the weight variation of the catalyst Mo/NZA 3%, 6% and 9% of the biomass. The process having stirring speed of 300 rpm and temperature of 320ºC for 120 min. The Highest yield of bio-oil obtained of 1,5% catalyst Mo/NZA with 9% of the amount of catalyst was 67,16%. From physical analysis conducted on bio-oil were obtained: density 0,781 g/ml, viscosity 2,094 cSt, acidity 20,906 mg NaOH/g sample, and the flash point 52 oC respectively. From the GC-MS analysis, the dominant chemical components at bio-oil is a 1-Propene (12,19%), 2-Pentene (8,2%), Pentane (10,54%), Cyclohexane (13,78%) and Heptane (3,52%) respectively.Keywords : Bio-oil, Mo/NZA, Pine bark, Pyrolysis
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