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Pembuatan Biodiesel Dari Minyak Jarak Pagar Dengan Katalis La/NZA Irnaliah, Irnaliah; Bahri, Syaiful; Khairat, Khairat
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Biodiesel is an alternative energy to replace fossil fuels. It can be made by transesterification process of vegetable oils such as jatropha oil. During the process of making biodiesel it using homogeneous catalyst such as NaOH or KOH. But homogeneous catalyst has disadvantages the formation of side product and complexity the separation of catalyst. Therefore, in this study the use of heterogeneous catalyst La/NZA was developed to produced biodiesel. The purpose of this research were produce biodiesel from jatropha oil, study the effect of mole ratio of oil/methanol and concentration of catalyst on yield of biodiesel, determine the best conditions for biodiesel production and to identify the characteristics of biodiesel produced.In the transesterification process, concentration of catalyst and mole ratio oil/methanol was variated. Yield of biodiesel based on product methyl ester and selectivity is calculated.Keyword: biodiesel, esterification, heterogeneous, transesterification
Pirolisis Katalitik Kayu Akasia (Acacia Mangium) Menjadi Bio-Oil Dengan Katalis Mo/ Lempung Rahman, Aulia; Bahri, Syaiful; Khairat, Khairat
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

Decreasing in fuel oil production capabilities and the increasing need for fuel oil will make Indonesia more addicted to fuel oil, thereby increasing the amoount of fuel imports. In Consequence, we need an innovation of energy conversion that does not rely on fossil resources, renewable and equal in value and function with fuel oil. One of that such innovation is the conversion of biomass derived from wood acacia (Acacia mangium) into bio-oil. Bio-oil can be produced through the pyrolysis process acacia (Acacia mangium) with catalyst Mo / Clay. The aims of this research is to produce bio-oil from acacia wood, determine the effect of pyrolysis temperature variations, the percentage and the amount of catalyst metal pengembanan Mo / clay and characterization of physical and chemical properties of bio-oil. Pyrolysis process carried out at the pyrolysis temperature variations 300oC, 320oC and 340oC, silinap 500 ml, biomass 50 grams with a size of -100 + 200 mesh sieve, the percentage variation of impregnation Mo metal to clay of 1%; 2% and 3%, as well as variations in the amount of catalyst Mo / clay of the biomass of 3%; 6% and 9%. The Results of this study is largest bio-oil yield in pyrolysis temperature of 320oC, the percentage of metal impregnation 2% and the use of catalysts Mo / clay 6% is 73,64%. Characterization of physical properties of bio-oil obtained in the form of density of 0,971 gr / ml, 2,079 cSt viscosity, acidity 58,369 mg NaOH / gram sample, the flash point 480C and the calorific value of 29,567 MJ / kg. While the characterization of the chemical properties of bio-oil using Gas Chromatography-Mass Spectroscopy (GCMS), several dominant chemical components such as acetic acid with a total area of 35,86%, 2-propanone with an area of 17,69%, 2-amino, 1-propanol with an area of 7,05%, propionic acid and an area of 6,20% and 1-hydroxy-2-butanone with an area of 4,12%.Keywords: bio-oil, catalyst Mo/Lempung, pyrolysis, Acacia mangium wood
Konversi Biji Alpukat Menjadi Bio-oil Dengan Metode Pyrolisis Menggunakan Katalis Zeolit Alam Agustin, Dian; Sahan, Yusnimar; Bahri, Syaiful
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

The trend of fossil fuel demand is always increase by time in the world. Yet, petroleum oil as a non-renewable has been declining each year. It is necessary to find a new alternative fuel that can be renewed, such as to applied biomasses as resources energy. One of several potential biomasses can be converted to energy or bio-oil is the seed of an avocado because it’s contain so high fat fatty acid (FFA). This seed has not been used maximacally yet, so in this research this seed is converted into bio-oil by using pyrolysis method and natural zeolite as a catalyst. The purpose of this research is to get the highest yield of bio-oil by applied variation of ratio sample : catalyst (50:0, 50:1, 50:2, 50:3 g/g), and temperature variation of pyrolysis process is 270, 300, 330 ºC. Based on results in this research, the highest of bio-oil is 79,08 % found under condition ratio sampel : catalyst 50 :2 and pyrolysis temperature is 330 ºC. The bio-oil is analyzed and it’s density 0.988 g/ml, viscosity 7,560 cSt, acid value 0,1002 mg NaOH/ g sample,  flash point 56 ºC and heating value 17,354 MJ/kg. Based on GC-MS analyzed bio-oil were contained (2,4,4-trimethyl-2-pentene), (3,4,4-trimethyl-2- pentene), (Diisobutylene), (2,4,4-trimethyl-3-pentene) and (2-methyl-trimer- propene) with peak area (7,84%), (7,82%), (5,69%), (3,82%) and (3,58%).  Keyword :  Avocado seed, Bio-oil, Natural Zeolite, Pyrolysis
Konversi Kayu Ketapang (Terminalia Catappa. L) Menjadi Bio-Oil Menggunakan Metode Pirolisis Dengan Katalis Co-Mo/NZA Rizky, Muhammad; Bahri, Syaiful; Yusnimar, Yusnimar
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
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Abstract

The demand of fossil fuel  is increasing each year. On the other hand,  the availability of conventional petroleum fuels diminishing due to its non-renewable. Therefore, it is necessary to develop  a  new alternative  fuel  that can be renewed,  one of the solution  is the  processing of biomass into bio-oil. Bio-oil is a result of the pyrolysis of biomass. Availability of Ketapang rod is converted  into bio-oil by pyrolysis method using catalysts natural zeolite. The purpose of this study was  to  determine the performance of  the catalyst  to  produce bio-oil,  characterize  the density, viscosity, acid number, and flash point of bio-oil  that produced, as well as analyze  the chemical components  of bio-oil  by GC-MS method.  Pyrolysis of  Ketapang rod  catalyst  from natural zeolite  in the reactor  slurry  do  by feeding 50 grams with the size    -100 +200 mesh, silinap 500 ml, stirring speed is set to 300 rpm, 320oC temperature, and the process runs for 120 minutes. The results showed that the optimum yield obtained  on 2.5% catalyst, amounting to 77%. The test results obtained by the physical properties of density 0.875 g/ml, 9.56  cSt viscosity, acid number of 49,89 gr NaOH/gr sample. Keywords: Bio-oil, pyrolysis, Ketapang rod, natural zeolite, alternative fuels
Pirolisis Kulit Kayu Pinus Merkusii Menjadi Bio-Oil Menggunakan Katalis Cr/Lempung Cengar Febrian, Ramadhoni; Bahri, Syaiful; Khairat, Khairat
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
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Abstract

Bio-oil is produced from biomass through pyrolysis. Then, potential biomass is bark of pine. Bark of pine merkusii can be processed into bio-oil by pyrolysis used Cr/clay catalyst. This research aims to produce bio-oil from bark of pine with Cr/clay catalyst as an alternative fuel, observing the effect of the ratio of catalyst Cr/clay weight to biomass, and observing the influence of Chromium (Cr) impregnation and characterizing physical and chemical characteristic of bio-oil. In the pyrolysis process, 50 grams of pine bark with -100 + 200 mesh, the Cr / clay catalyst with weight variation of the biomass are 3%, 5% and 7% and the variation of Chromium (Cr) impregnation on clay are 0%, 1%, 2% and 3%. And 500 ml of silinap was added to the pyrolysis reactor. Pyrolysis process occurred for 120 minutes at a 320o C and the stirring speed is about 300 rpm. This research resulted in the greatest yield on the use of Cr/clay catalysts 7% of weight to the biomass and 3% metal content is about 65.77%. Characteristics of physical properties was obtained 0.812 g / ml of density, 0.902 cSt of viscosity, 7.626 mg NaOH / gram samples of acidity and 31oC of flash point. While the chemical characteristics of the bio-oil was obtained from the analysis using Gas Chromatography-Mass Spectroscopy (GCMS) and it found several dominant chemical components such as 9,12-Octadecadienoyl chloride, Cyclohexane, 1-methyl-2-penthyl, Octadecanoic acid, 2-Pentene, 24.4-trimethyl and Cyclohexane, 3- (3,3-dimethylbutyl).Keywords: Bio-oil, pyrolysis, bark of pine merkusii, Cr/Clay catalyst
Fermentasi Nira Nipah Menjadi Bioetanol Menggunakan Saccharomyces Cerevisiae Dengan Penambahan Urea Sebagai Sumber Nitrogen Rahmah, Yulia; Bahri, Syaiful; Chairul, Chairul
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
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Abstract

Nypa is one of biomass wich has a potential to be converted into bioethanol. Bioethanol produced through the process of fermentation of glucose with the help of a microorganism. In this research, nypa sap was converted to be bioethanol using Saccharomyces cerevisiae. The purpose of this researches were doing the fermentation of nypa sap to produce bioethanol, to study the influence of the addition nitrogen source in the fermentation process, and obtain the optimum fermentation time to bioethanol production. The sequances of this research were preparation of material, equipment sterilization, making the starter (inoculum), making the medium fermentation and fermentation process. Fermentation takes place in batches with a volume of 2 liters of fermentation medium. Variation of urea were used 0,2; 0,4; 0,6; and 0,8 g/l, variation of fermentation time were 24, 36, 58, 60, and 72 hours. Temperature fermentation was occured at room temperatur (25 – 30oC). Ethanol concentration was analyzed by using Gas Chromatography. The highest bioethanol concentration was 7,12% at variation of urea 0,6 g/l and fermentation time 36 hours.Keywords : bioethanol, fermentation, nypa sap, Saccharomyces cerevisiae, urea
Kajian Minyak Biji Picung Sebagai Bahan Baku Alternatif Pembuatan Biodiesel Dengan Katalis AL2O3 Setiadi, Fydel; Bahri, Syaiful; Helwani, Zuchra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
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Abstract

Biodiesel is an alternative energy to replace fossil fuels. It can be made by transesterification process of vegetable oils. During the process of making biodiesel usually was used NaOH or KOH as homogeneous catalyst which has the disadvantage the formation of side products such as soaps and complexity of the separation of catalyst. Therefore, in this study Al2O3 catalyst is used. This research is aimed to make biodiesel from picung seed oil, having study the effect of Al2O3 catalyst concentration on the amount of biodiesel produced, and determine the best conditions for biodiesel production. This study starts from raw material preparation which includes drying, heating, and refinement. Furthermore, extraction the picung seed oil and followed by degumming to remove impurities contained in the oil. The transesterification process of oil was done at various variation of temperature i.e 50, 60, 70 °C respectively and the various variation of catalyst concentration i.e 1%, 2%, 3% respectively at methanol of oil mole ratio 9: 1. The process was stired at speed of 200 rpm and a reaction time of 240 minutes. From the result was obtained the highest biodiesel of 97,2% at the reaction temperature of 60 °C with concentration Al2O3 catalyst 2%.Keywords : Al2O3, biodiesel, picung seed oil, transesterification
Konversi Termal Kayu Akasia (Acacia Mangium) Menjadi Bio-Oil Dengan Teknologi Pirolisis Menggunakan Katalis Mo/NZA Meliagustin, Adilla; Bahri, Syaiful; Amri, Amun
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 fuels are increasingly limited. Limitations of petroleum fuels will not be balanced with the needs of the community will fuel increased day by day. To overcome these problems needed alternative energy sources that can be updated is one of the bio-oil. Bio-oil is produced from biomass with the pyrolysis process, in the absence of oxygen. The purpose of this research was the synthesis of bio-oil from akasia wood, determine the effect of the impregnation percentage of Mo metal and ratio of catalyst Mo/NZA on the yield of bio-oil and determine the physical and chemical characteristics of bio-oil. Pyrolysis using 50 grams acacia wood, 500 ml silinap and Mo/NZA catalyst with variations of the impregnation percentage of Mo metal 0%, 1%, 3% and 6%, and the variations ratio of catalyst Mo/NZA 3%, 6% and 9% of the biomass with a stirring speed of 300 rpm and a temperature of 320ºC for 120 minutes. In this research, the highest yield on the variation of the impregnation percentage of metal 3% and the ratio of catalyst 9% of the biomass amounted to 76,084%. Characteristics of bio-oil obtained were density 0,827 gr/ml, viscosity 2,032 cSt, acid number 88,677 mg NaOH /gr sample, and the flash point 43 oC. The results of GC-MS analysis, the dominant chemical components in the bio-oil were Cyclohexane (13,477%), 2,4-Hexadiene (2,610%), 6-Tridecene (1,920%), Propane (1,684%) and 4-Nonene (0,619 %).Keyword: Bio-oil, pyrolysis, catalyst Mo/NZA, akasia wood
Konversi Kayu Akasia (Acacia Mangium) Menjadi Bio-Oil Dengan Proses Pirolisis Menggunakan Katalis Ni/Lempung Hardi, Rizka Aulia; Bahri, Syaiful; Amri, Amun
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

Availability of fossil fuels as a non-renewable energy source has decreased due to the increase of energy consumption. Therefore, it is needed an alternative renewable energy sources, such as conversion of biomass derived from acacia mangium wood. Bio-oil can be produced by pyrolisis of Acacia mangium wood with catalyst Ni/clay. The purpose of this research are to produce bio-oil from acacia wood, to characterize of Ni/clay catalyst, to determine the effect of the impregnation of Ni metal in to clay and ratio of Ni/clay catalyst on the yield of bio-oil and to determine the physical and chemical characteristics of bio-oil. The pyrolysis was used 50 grams acacia wood, 500 ml silinap and Ni/clay catalyst with variations of the percentage of the Ni metal 0%, 1%, 2%, 3%, respectively and the variation ratio of Ni/clay catalyst of the biomass 3%, 5% and 7% with a stirring speed of 300 rpm and a temperature of 320ºC for 120 minutes. In this research, the highest yield was on the use of the catalysy Ni/clay 5% by weight of the metal content of 3% by 66,26%. Characterization of physical properties of bio-oil obtained in the form of density 1,004 gr/ml, 1,8452 cSt viscosity, acidity 71,6327 mg NaOH/gr sample, and the flash point 46oC, respectively.Keywords: Bio-oil, Pyrolysis, Catalyst Ni/Clay, Acacia mangium wood
Pirolisis Kayu Akasia Menjadi Bio-Oil Menggunakan Katalis NiMo/NZA Dengan Variasi Jumlah Pengembanan Logam Dan Rasio Berat Katalis Terhadap Biomassa Saputra, Adika; Bahri, Syaiful; Amri, Amun
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 purpose of this research is to determine the effect of the percentage of NiMo and ratio of NiMo/NZA catalyst to the yield of bio-oil in the synthesis of bio-oil from acacia wood using pyrolysis methode. The process was carried out using 50 gram, of acacia wood, 500 ml silinap and NiMo/NZA catalyst with various variations of the percentage of NiMo metal 0%, 1%, 2%, 3% and the variation ratio of NiMo/NZA catalyst 3%, 6%, 12% respectively of the biomass having a stirring speed of 300 rpm and a temperature of 320 ºC for 120 minutes. From the result, the highest yield (69.41%) was obtained of NiMo ratio 2% and the catalyst 3%. The physical properties at the bio-oil result obtained density 0.938 gr/ml, viscosity 1.919 cSt, acid number 87.593 mg NaOH/gr sample, and the flash point 55 oC respectively. From analysis by the GC-MS, the dominant components were 2-Pentene,2,4,4-Trimethyl (18.50%), Pentane,2,2,4,4-Tetramethyl- (5.64%), 1-Pentene,2,4,4-Trimethyl- (10.31%), 2-Pentene,2,3, 4-Trimethyl- (2.43%) and Cyclohexanone,3-(3,3-Dimethylbutyl) (8.08%) were found.Keywords: Biomass, Bio-oil, NiMo/NZA, acacia wood, 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