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All Journal Prosiding Semnastek IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Panrita Abdi - Jurnal Pengabdian pada Masyarakat International Journal of Engineering, Science and Information Technology Journal of Renewable Energy, Electrical, and Computer Engineering Chemical Engineering Journal Storage (CEJS) Jurnal Teknologi Kimia Unimal Prosiding Seminar Nasional Teknik UISU (SEMNASTEK)
Zainuddin Ginting
Jurusan Teknik Kimia Fakultas Teknik Universitas Malikussaleh
Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Thermal and Physical Properties of Patchouli Essential Oil Industry Residue as Renewable Feedstock for Bioenergy Ginting, Zainuddin; Setiawan, Adi; Mulyawan, Rizka; Armadani, Wika; Hermawan, Yuda; Shrestha, Ashish
Journal of Renewable Energy, Electrical, and Computer Engineering Vol 2, No 1 (2022): March 2022
Publisher : Institute for Research and Community Service, Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v2i1.6644

Abstract

Patchouli plant is one of main agricultural commodities in Indonesia with an area of 64.67 ha. The solid waste produced from the distillation industry is around 98% of total feedstock. The aim of this research is to disclose the characteristics of solid waste biomass from patchouli essential oil industry harvested from Lhokseumawe, Indonesia. The properties of patchouli biomass before and after distillation was analyzed by using a number of techniques including proximate, bomb calorimeter, TGA-DTG, DSC and lignocellulosic analyses. Five kilograms of biomass was collected after patchouli harvesting then sorted into four categories i.e. leaves, branches and trunk. and mixture of all. Another set of biomass residue was collected after distillation process and grouped similar to those collected before distillation. All samples were then dried, ground and sieved to 50 mesh size. The analysis results showed that the highest heating value was observed from the sample of patchouli leaves collected before distillation process with a value of 15.65 MJ/kg where its volatile matter content was 81.26%. Compositional analysis of lignocellulosic suggested that 27% in pre-distilled branches. Mixture of all parts was found to contain 35% cellulose that was the highest. Lignin content with 42% value was found in after distilled trunk.
Synthesis of Cellulose Stearate Ester as Wet Strength Agent for Synthesis of Bio-polybag from Oil Palm Empty Fruit Bunch Eddy Kurniawan; Rizka Mulyawan; Angga Tri Agusna PA; Wika Armadani; Zainuddin Ginting
International Journal of Engineering, Science and Information Technology Vol 2, No 2 (2022)
Publisher : Master Program of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (752.502 KB) | DOI: 10.52088/ijesty.v2i2.227

Abstract

Biodegradable polybags are an alternative to overcome the weakness of synthetic polybags because of their degradation properties. Oil palm empty fruit bunches contain a lot of cellulose so that they can be used as a biodegradable polybag. Wet Strength serves to increase the physical strength of bio-polybags when exposed to water (in wet conditions) so that water content stability is required. In this study, Cellulose Stearate Esters were synthesized in an effort to increase the stability of the water content in bio-polybags. Cellulose Stearate Esters are synthesized through a transesterification reaction between -Cellulose isolated from Oil Palm Empty Fruit Bunches (EFB) with methyl stearate. The synthesis of cellulose stearate esters was carried out by refluxing for 2 hours using methanol solvent with various catalysts Na2CO3 5, 10, 15, 20 mg and with volume variations of methyl stearate 5, 10, 15. And the best variation was determined based on the degree of substitution test, namely with variations Na2CO3 catalyst 20 mg and volume of methyl Stearate 15 ml, amounting to 1.95. The result of the synthesis, namely cellulose stearate, was tested for functional groups by FT-IR spectroscopy and surface morphology using SEM. The formation of cellulose stearate is supported by the FT-IR spectrum in the wavenumber region of 3468.01 cm-1 indicating an OH group, 3062.96 cm-1 indicating a CH stretching group, 1695.43 cm-1 indicating a C=O group, cm-1 indicating a CH bending group, 1095.57cm-1 indicates a COC group, 609.51cm-1 indicates a (CH2)n>4 group. The results of surface morphology analysis using SEM showed that the surface of cellulose stearate looked homogeneous, more regular and had denser cavities than -Cellulose
Mechanical Characteristic and Water Absorption Property of Bio Composite from Sago Starch and Jute Fiber (Boehmeria Nivea) as the filler Rozanna Dewi; Oktaviani Oktaviani; Zainuddin Ginting; Novi Sylvia; Cindia Ramadhan
International Journal of Engineering, Science and Information Technology Vol 2, No 1 (2022)
Publisher : Master Program of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (285.968 KB) | DOI: 10.52088/ijesty.v2i1.209

Abstract

Environmentally friendly plastics can be degraded biologically in an anaerobic environment. This plastic is synthesized from starch such as sago starch which is available in abundance. In the form of bioplastics, its mechanical properties are still not compared to conventional plastics derived from crude oil, so its application is limited. The incorporation of filler material increases its mechanical properties, one of the selected fillers is hemp fiber as used in this study. Thermoplastic starch from sago with flax fiber as a filler and the addition of Polypropylene to improve mechanical properties with a certain composition to maintain its natural biodegradability. The mechanical properties analyzed were tensile strength, elongation and modulus of elasticity. Water absorption tests were also carried out to observe the water resistance properties. The results of the tensile strength test showed that the best tensile strength value of 9.32 Mpa was obtained at the addition of 35% fiber with a TPS: PP ratio of 1:1.5. The same conditions were obtained for the percent elongation with the results of 10.16% and the modulus of elasticity was 91.73 Mpa. Water absorption showed that 55% filler gave the lowest water     absorption, namely 4.41% at a ratio of TPS: PP 1:0.5. The addition of fiber filler into the bio-composite affects the tensile strength,    elongation and modulus of elasticity, the higher the volume of filler entering the bio-composite, the lower the value of tensile strength, elongation and modulus of elasticity, or vice versa. The ratio of addition of polypropylene matrix is also influential, the higher the ratio contributes to the tensile strength, elongation and higher modulus of elasticity. High water absorption capacity will reduce the performance of biocomposite, so the lower the water absorption ability, the better the quality of the biocomposite product and the wider its application
Biodiesel Production from a Mixture of Rubber Seed Oil and Waste Oil Through the Alcoholysis Process with Catalysts Based on Vegetable Waste I Ibrahim; A M Syam; M Muhammad; Zainuddin Ginting; S Maliki
International Journal of Engineering, Science and Information Technology Vol 1, No 4 (2021)
Publisher : Master Program of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (885.517 KB) | DOI: 10.52088/ijesty.v1i4.182

Abstract

The increasing types of people needs along with the times have resulted in the need for energy increasing so that the supply of energy, especially energy that cannot be renewed (unrenewable energy) is decreasing. Currently, almost 80% of the world's energy needs are met by fossil fuels. In fact, the use of fossil fuels can cause global warming. To reduce dependence on fossil fuels as an energy source, it is necessary to search for energy sources that can be used as alternative fuels that are environmentally friendly. Indonesia is an agricultural country that is overgrown with plantation crops that produce various kinds of waste such as rubber seeds which contain oil. This plant produces a lot of wasted seeds that are not useful. Therefore, researchers want to research the oil from rubber seeds to be a biodiesel product and in order to get high quality results. This study regulates several independent variables, namely the alcoholysis temperatures: 650C, 700C and 750C and the alcohol volume: 200 ml, 250 ml and 300 ml. The process is carried out by extraction using the alkolysis method. The best yield yielded 60.5%, with the best yield of biodiesel from alcoholysis obtained at a volume of 250 ml of ethanol and a temperature of 75oC with a density of 09 kg/m3 and a viscosity of 3,285 mm2/s (cSt), fulfilling the requirements of SNI 7182:2015. Based on the results of GC analysis, the main fatty acid components in the sample were at peak 1, namely saturated fatty acids in the form of palmitic acid at 44,28% and peak 4, namely unsaturated fatty acids in the form of oleic acid at 31.99%.
PEMANFAATAN URINE KAMBING PADA PEMBUATAN PUPUK ORGANIK CAIR TERHADAP KUALITAS UNSUR HARA MAKRO (NPK) Eddy Kurniawan; Zainuddin Ginting; Putri Nurjannah
Prosiding Semnastek PROSIDING SEMNASTEK 2017
Publisher : Universitas Muhammadiyah Jakarta

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

Abstract

Pupuk organik cair adalah pupuk yang bahan dasarnya berasal dari hewan atau tumbuhan yang sudah mengalami fermentasi dan bentuk produknya berupa cairan. Pupuk organik cair mengandung unsur hara makro seperti, fosfor, nitrogen, kalium dan unsur hara mikro lainnya yang dibutuhkan oleh tanaman serta dapat memperbaiki unsur hara dalam tanah. Tujuan dari penelitian ini yaitu untuk menghitung kandungan nitrogen, fosfor dan kalium dalam pupuk organik cair  yang terbuat dari bahan baku utama yaitu urine kambing serta bahan pendukung yang berupa air buah nanas busuk, air kelapa, cocopeat, air gedebong pisang dan rumen sapi. Salah satu pembuatan pupuk organik cair melalui teknik fermentasi. Dalam hal ini digunakan bioaktivator EM-4 effective microorganisme dan empat variasi penggunaan volume urine kambing untuk mengetahui pengaruh unsur hara makro yang terbaik untuk pupuk organik cair. Variasi penambahan urine kambing antara lain: 150, 200, 250, dan 300 ml, dan difermentasikan selama 9, 12, 15, dan 18 hari. Hasil penelitian dari penggunaan volume urine kambing yang terbaik pupuk organik cair terdapat pada Penggunaan volume urine kambing sebanyak 300 ml dengan kandungan unsur hara makro nitrogen 0,69% fosfor 2,09% dan kalium 0,64% pada hari ke 18. Nilai  kecepatan maksimum enzimatik tertinggi (Vmax) adalah 0,021 ml/jam dengan waktu fermentasi selama 15 hari. Semakin banyak substrat maka semakin tinggi kecepatan enzimatik. Dan nilai Km yang yang tertinggi yaitu 1,6245 pada waktu fermentasi       9 hari
Thermal and Physical Properties of Patchouli Essential Oil Industry Residue as Renewable Feedstock for Bioenergy Zainuddin Ginting; Adi Setiawan; Rizka Mulyawan; Wika Armadani; Yuda Hermawan; Ashish Shrestha
Journal of Renewable Energy, Electrical, and Computer Engineering Vol 2, No 1 (2022): March 2022
Publisher : Institute for Research and Community Service, Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v2i1.6644

Abstract

Patchouli plant is one of main agricultural commodities in Indonesia with an area of 64.67 ha. The solid waste produced from the distillation industry is around 98% of total feedstock. The aim of this research is to disclose the characteristics of solid waste biomass from patchouli essential oil industry harvested from Lhokseumawe, Indonesia. The properties of patchouli biomass before and after distillation was analyzed by using a number of techniques including proximate, bomb calorimeter, TGA-DTG, DSC and lignocellulosic analyses. Five kilograms of biomass was collected after patchouli harvesting then sorted into four categories i.e. leaves, branches and trunk. and mixture of all. Another set of biomass residue was collected after distillation process and grouped similar to those collected before distillation. All samples were then dried, ground and sieved to 50 mesh size. The analysis results showed that the highest heating value was observed from the sample of patchouli leaves collected before distillation process with a value of 15.65 MJ/kg where its volatile matter content was 81.26%. Compositional analysis of lignocellulosic suggested that 27% in pre-distilled branches. Mixture of all parts was found to contain 35% cellulose that was the highest. Lignin content with 42% value was found in after distilled trunk.
PEMANFAATAN LIMBAH CANGKANG BIJI MELINJO(GNETUM GNEMON) SEBAGAI BAHAN BAKAR TERBARUKAN DALAM PEMBUATAN BIOPELET Chairina Chairina; Eddy Kurniawan; Zainuddin Ginting; Rozanna Dewi; Ishak Ishak
Chemical Engineering Journal Storage (CEJS) Vol 2, No 1 (2022): Chemical Engineering Journal Storage (CEJS) - Mei 2022
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/cejs.v2i1.6007

Abstract

Penelitian Pembuatan Biopelet dari Cangkang Biji Melinjo (Gnetum Gnemon) yang menggunakan Tepung kanji sebagai perekat telah selasai dilakukan. Penelitian ini bertujuan untuk memanfaatkan Cangkang Biji Melinjo (Gnetum gnemon) sebagai Bahan Bakar Terbarukan dalam pembuatan Biopelet dengan Memanfaatkan Limbah Cangkang Biji Melinjo (Gnetum Gnemon) dari Produsen Emping Melinjo di Kabupaten Pidie. Peneltian ini dilakukan Beberapa tahapan proses yaitu pengumpulan bahan baku, pengeringan bahan baku dan pemisahan berdasarkan ukuran (pengayakan). Kemudian Serbuk tersebut di campur perekat dengan variasi perekat menggunakan tepung kanji dan Perbedan massa Sampel. Kemudian dicetak berbentuk slinder dan dikeringkan di dalam oven pada suhu 110oC. Komposisi Cangkang biji melinjo (Gnetum Gnemon)  dengan perekat kanji yang terbaik adalah dengan komposisi Cangkang biji melinjo (Gnetum Gnemon)  50  gr Bahan  dengan Perekat kanji 5%  mendapatkan 3,1%  Kadar air , 10,6% Kadar zat terbang, 4,3% Kadar abu, 82% Kadar karbon terikat, dan Nilai kalor yang dimiliki adalah  1,7302 j/g atau 4,1352 cal/g dari hasil uji Nilai kalor antara dua Membedakan Massa Cangkang biji melinjo (Gnetum Gnemon)  pada Nilai kalor Biopelet Cangkang biji melinjo (Gnetum Gnemon) dengan berat 50 gram dan Perekat Tepung kanji 5% dengan Nilai kalor 17302 J/g. Sedangkan Nilai kalor Biopelet Cangkang biji melinjo (Gnetum Gnemon) dengan berat 100 gram dan Perekat Tepung kanji 5% dengan nilai kalor 17004 J/g atau 4,0640 cal/g. Dalam pembuatan Biopelet, moisture briket (kadar air) sangat mempengaruhi Nilai kalor semakin banyak kadar air maka nilai kalor biopelet semakin rendah.
PEMANFAATAN MINYAK NILAM ACEH UTARA SEBAGAI FIXATIF AGENT DALAM PEMBUATAN PENGHARUM RUANGAN BERBASIS CAIR Evi Dahliani Sitanggang; Jalaluddin Jalaluddin; Zainuddin Ginting
Chemical Engineering Journal Storage (CEJS) Vol 1, No 1 (2021): Chemical Engineering Journal Storage (CEJS) - Agustus 2021
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/cejs.v1i1.3528

Abstract

Tanaman nilam (Pogostemon cablin Benth) merupakan salah satu tanaman penghasil minyak atsiri yang cukup penting sebagai komoditi ekspor Indonesia. Industri minyak nilam Aceh, yaitu di wilayah Lhokseumawe-Aceh Utara mulai berkembang sejak tahun 1996, dan diketahui nilam Aceh Utara merupakan varietas tanaman nilam terbaik kedua di dunia dengan kandungan patchouli alcohol 34,46 %. Tujuan penelitian adalah untuk mendapatkan hasil pengaruh minyak nilam terhadap produk pengharum ruangan dan untuk mendapatkan formulasi yang menghasilkan tingkat keharuman yang lebih kuat dan tahan lama. Adapun bahan yang digunakan dalam penelitian ini adalah minyak nilam Aceh Utara, Etanol 76 %, Bibit pewangi, dan Propilen glikol, kemudian dilakukan pencampuran bahan-bahan dengan cara dihomogenisasikan manual selama 1-2 menit. Hasil penelitian menunjukan dalam uji organoleptik formulasi pengharum ruangan dalam minyak nilam pada volume 0,15 ml, 0,25 ml dan 0,4 ml didapat hasil yang terbaik pada volume minyak nilam 0,25 ml. Hasil pengharum ruangan yang didapatkan sangat wangi dan beraroma khas kopi dan wangi nilam yang lembut. Volume 0,25 ml digunakan untuk sebagai pengujian di variabel terikat. Dari hasil analisis statistik menunjukkan bahwa pengharum ruangan yang banyak disukai panelis ada pada pengharum ocean fresh dan terdapat formulasi pertama dan ke enamlah yang dianggap paling harum dengan perbandingan zat pewangi (kopi): pelarut sebanyak 3 ml:2 ml. Dalam Uji ketahanan Wangi hasil menunjukan pada formulasi keempat yaitu formulasi perbandingan zat pewangi 4 ml dan pelarut 2 ml yang dipengaruhi oleh bobot/berapa panjangnya sisa zat cair. Dalam uji penyerapan zat cair hasil menunjukan yang lebih cepat menguap dan habis ada pada formulasi ketiga yaitu zat pewangi (kopi): pelarut sebanyak 3 ml:3 ml. Hasil penguapan zat cair menunjukan total terbesar persen penguapan dihasilkan pada ruangan yang diberi kipas angin.
PRODUKSI GAS HIDROGEN DARI AIR LAUT DENGAN PROSES ELEKTROLISIS MENGGUNAKAN ELEKTRODA LOGAM (TITANIUM) DAN NON LOGAM (KARBON) Muhammad Abrar; Lukman Hakim; Suryati Suryati; Rozanna Dewi; Zainuddin Ginting
Chemical Engineering Journal Storage (CEJS) Vol 1, No 3 (2021): Chemical Engineering Journal Storage (CEJS) - Desember 2021
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/cejs.v1i3.4711

Abstract

Dalam memenuhi kebutuhan pasokan energi dalam negeri, salah satu penelitian mengenai energi terbarukan yang pada saat ini dikembangkan adalah pemanfaatan bahan bakar hidrogen yang digunakan dalam Fuel Cell System. Penelitian ini bertujuan untuk meningkatkan produksi gas hidrogen yang sebelumnya hanya mengandalkan gas alam, pembuatan gas hidrogen sebagai energi terbarukan diharapkan menjadi terobosan baru dalam mendukung energi yang ramah lingkungan. Pada penelitian ini melakukan metode elektrolisis menggunakan arus listrik searah atau DC (Power Supply) dan air laut dengan volume elektrolit 1000 ml, waktu elektrolisis 2, 4, 6, 8, dan 10 menit dengan menggunakan elektroda Titanium dan Karbon dan memvariasikan tegangan 5, 10, 15, 20 dan 25 volt. Pemilihan jenis reaktor berbentuk silinder berkapasitas 1500 ml, kondisi operasi 30oC dan 1 atm. Hasil kajian menunjukkan bahwa tegangan sangat berpengaruh terhadap penguraian air laut menjadi gas hidrogen. Dengan menggunakan elektroda titanium didapat hasil flow rategas hidrogen yang paling tinggi di dapat pada tegangan 25 volt dengan waktu 8 menit sebesar 247 cc/min dengan elektroda Titanium yang tidak terdegradasi sedangkan dengan elektroda Karbon didapat 318 cc/min pada 25 volt dengan waktu 10 menit namun elektroda karbon lebih cepat terdegradasi. Sedangkan jumlah volume Sodium Hipoklorit yang terbentuk sangat dipengaruhi oleh tegangan dan waktu elektrolisis.
FORMULASI SEDIAAN LILIN AROMATERAPI SEBAGAI REPELAN NYAMUK ALAMI DARI MINYAK ATSIRI KULIT JERUK MANIS (Citrus Sinensis) DAN MINYAK ATSIRI DAUN NILAM (Pogostemon Cablin Benth) Yuda Hermawan; Zainuddin Ginting; Rizka Nurlaila
Chemical Engineering Journal Storage (CEJS) Vol 1, No 1 (2021): Chemical Engineering Journal Storage (CEJS) - Agustus 2021
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/cejs.v1i1.4891

Abstract

Lilin aromaterapi adalah alternatif aplikasi aromaterapi secara inhalasi yaitu penghirupan uap aroma yang dihasilkan dari beberapa ml minyak atsiri. Daun nilam dan kulit jeruk manis mengandung minyak atsiri yang berfungsi sebagai aromaterapi dan repelan. Penelitian ini bertujuan untuk membuat sediaan lilin aromaterapi sebagai repelan nyamuk dari minyak atsiri nilam dan kulit jeruk manis. Penelitian dilakukan dengan cara pembuatan lilin dengan penambahan minyak atsiri kulit jeruk manis dan minyak atsiri nilam. Variabel dalam penelitian ini dilakukan secara eksperimen dengan uji evaluasi fisik lilin aromaterapi dengan uji organoleptik yaitu warna bentuk dan aroma, uji kualitas lilin yaitu titik leleh dan waktu bakar, uji efektifitas lilin terhadap nyamuk. Hasil penelitian menunjukkan bahwa sediaan yang dibuat memiliki warna dan bentuk yang sama sedangakan untuk aroma berbeda, karenakonsentrasi minyak atsiri yang bervariasi, titik leleh antara 50oC – 56oC sesuai syarat evaluasi fisik lilin menurut SNI 50oC -58oC, waktu bakar lilin dengan formula A5L2B1 dengan durasi waktu 1 jam 16 menit, efektivitas lilin cukup optimal dalam mengusir nyamuk.
Co-Authors A M Syam Adi Setiawan Adi Setiawan Agam Muarif Agus Salim Amiratul Husna Angga Tri Agusna PA Angga Tri Agusna PA Armadani, Wika Ashish Shrestha Asnadia Asnadia Audry Azilla Rizky Azhari Azhari Budhi Santri Kusuma Chairina Chairina Cindia Ramadhan Dahliana Abdullah Devia Ayu Setyowati Dinda Robiatul Al Qory Eddy Kurniawan Eddy Kurniawan Efri Marnelisa Eva Diana Evi Dahliani Sitanggang Faisal Faisal Feni Lestari Berutu Fikri Hasfita Fioza Ozly Erian Fitra Rahmatika Fuji Maharani Hermawan, Yuda Hijratul Izzati I Ibrahim Ishak Ibrahim Ishak Ishak Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalaluddin Khairul Anshar Laksono Trisnantoro Lukman Hakim Luthfi Mughni Anisa Haryono M Muhammad Mahaziva Putri Maghfirah Tambunan Masrullita Masrullita Masrullita Masrullita Masrullita Masrullita Meriatna Muarif, Agam Muhammad Abrar Muhammad Fadlan Siregar Muhammad Ilyas Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Rifki Aulia Mulia Effendi Mulyatun Mulyatun Mulyawan, Rizka Mutiara Pujana Pujana Nadira Diandra Nasrul ZA Nasrul ZA Nasrul ZA Nasrul ZA Novi Sylvia Nur rizqi Fattah Lubis Oktaviani Oktaviani Putri Nurjannah Putri Sara Fhariza Rauzatul Jannah Z Ridha Gebrina Rizki Rika Santi S. Tumangger Rizka Mulyawan Rizka Mulyawan Rizka Nurlaila Rizka Nurlaila Rozanna Dewi S Maliki Sarah Sarah Shella Vanesa Shintia Clarita Shrestha, Ashish Sri Santika Sry Wahyuni Damanik Sulhatun Sulhatun Suryati Suryati Suryati Suryati Syamsul Bahri Syamsul Bahri Syamsul Bahri Tata Tirani Wika Armadani Wika Armadani Yuda Hermawan Yuda Hermawan Yuli Hesni Zulfida Najla Azni Zulnazri Zulnazri