p-Index From 2021 - 2026
16.378
P-Index
This Author published in this journals
All Journal Jurnal Rekayasa Proses Jurnal Sosio Ekonomika Bisnis GEMA TEKNOLOGI METANA Jurnal Teknik Kimia USU Jurnal Sains dan Teknologi Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Abdimas Jurnal Bahan Alam Terbarukan Jurnal Teknik Elektro Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Sainteknol : Jurnal Sains dan Teknologi ASAS : Jurnal Hukum Ekonomi Syariah CHEMICA Jurnal Teknik Kimia Jurnal Produksi Tanaman Jurnal Hubungan Internasional Jurnal Zeolit Indonesia Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) ETERNAL(english, teaching, learning, and Research Journal) Jurnal Pilar Nusa Mandiri Syntax Literate: Jurnal Ilmiah Indonesia Jurnal SOLMA JURNAL DIVERSITA Indonesian Mining Journal Indonesian Journal of Chemistry Techno Nusa Mandiri : Journal of Computing and Information Technology JMM (Jurnal Masyarakat Mandiri) Jurnal Rekayasa Proses Al Mi’yar: Jurnal Ilmiah Pembelajaran Bahasa Arab dan Kebahasaaraban Prosiding Seminar Nasional Sains dan Teknologi Terapan Global Health Management Journal Jurnal Ilmiah Pendidikan dan Pembelajaran KOMPUTEK Jurnal Medika Malahayati JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Metalurgi INSIST (International Series on Interdisciplinary Research) INTEK: Jurnal Penelitian Psikoislamedia : Jurnal Psikologi Indonesian Physical Review Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton Indonesian of Health Information Management Journal (INOHIM) Building of Informatics, Technology and Science Neo Teknika: Jurnal Ilmiah Teknologi ASEAN Journal of Chemical Engineering Jurnal Ners Sakina: Journal of Family Studies Enrichment : Journal of Management Buletin KKN Pendidikan Journal of Computer System and Informatics (JoSYC) Jurnal Pembelajaran Pemberdayaan Masyarakat (JP2M) Jurnal Infortech Community Development Journal: Jurnal Pengabdian Masyarakat SUPERMAT (JURNAL PENDIDIKAN MATEMATIKA) Tunas Medika Jurnal Kedokteran & Kesehatan Sehat Masada Jurnal ABDIMAS (Pengabdian kepada Masyarakat) UBJ JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Islamika Granada ARRUS Journal of Engineering and Technology Jurnal Pengabdian Kepada Masyarakat Jurnal Abdimas Ekonomi dan Bisnis Madani Syari'ah : Jurnal Pemikiran Perbankan Syari'ah Qisthosia Indonesian Journal of Health Science Merdeka Indonesia Jurnal International El-Izdiwaj: Indonesian Journal of Civil and Islamic Family Law Jurnal Puruhita Society: Jurnal Pengabdian Masyarakat Jurnal Teknik Kimia USU Jurnal Riset Psikologi KNOWLEDGE: Jurnal Inovasi Hasil Penelitian dan Pengembangan Jurnal Abdimas Perbanas ANUBHAVA: Jurnal Ilmu Komuniksi Hindu Jurnal Psikologi Terapan (JPT) Edukasia: Jurnal Pendidikan dan Pembelajaran Indonesian Journal Computer Science (ijcs) Jurnal Riset Rumpun Ilmu Kedokteran (JURRIKE) Jurnal Riptek Cerdika: Jurnal Ilmiah Indonesia Indonesian Journal of Health Information Management Services (IJHIMS) Aceh International Journal of Science and Technology Termometer: Jurnal Ilmiah Ilmu Kesehatan Dan Kedokteran Gotong Royong : Jurnal Pengabdian, Pemberdayaan Dan Penyuluhan Kepada Masyarakat (J-P3KM) eProceedings of Engineering JISPE Journal of Islamic Primary Education Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Journal of Economics and Business (JECOMBI) Jurnal Kendali Akuntansi Metalurgi Usada Nusantara: Jurnal Kesehatan Tradisional Early Childhood Education Development and Studies (ECEDS) Jurnal Motivasi Pendidikan dan Bahasa Journal of Economic, Religious, and Entrepreneurship (JoERE) Jurnal Pengabdian dan Pengembangan Inovasi Kepada Masyarakat (PENAMAS) Alsinatuna Nursing Applied Journal International Journal of Renewable Energy Development Journal of Innovative and Creativity Bulletin of Chemical Reaction Engineering & Catalysis MEJORA Jurnal Intelek Dan Cendikiawan Nusantara Jurnal Solusi Masyarakat Dikara Jurnal Ilmiah Manajemen dan Akuntansi Indonesian Mining Journal Wissen: Jurnal Ilmu Sosial dan Humaniora Jurnal Rekayasa Proses Fundamentum: Jurnal Pengabdian Multidisiplin JURNAL REKAYASA KIMIA & LINGKUNGAN Thalaqah : Journal of Arabic Education and Literature Sainteknol : Jurnal Sains dan Teknologi Jurnal Bahan Alam Terbarukan Al-Umm: Jurnal Pengabdian dan Pengembangan Masyarakat Dinamika Kerajinan dan Batik: Majalah Ilmiah Semantik: Journal of Social, Media, Communication, and Journalism LOGIC: Jurnal Penelitian Informatika
Claim Missing Document
Check
Articles

Found 3 Documents
Search
Journal : Metalurgi

Daur Ulang Refraktori Bekas Kiln dan Fly Ash Batubara dengan Variasi Tekanan Greenbody [Recycling of Used Refractory of Kiln and Coal Fly Ash by Various of Greenbody Presure] Septriana, Ayu; Azhar, Azhar; Astuti, Widi
Metalurgi Vol 32, No 3 (2017): Metalurgi Vol. 32 No. 3 Desember 2017
Publisher : Pusat Penelitian Metalurgi dan Material - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.227 KB) | DOI: 10.14203/metalurgi.v32i3.339

Abstract

Refractory is one type of ceramic material which is thermostable (high temperature resistant) and has the ability to maintain a good physical and chemical condition at high temperature. Manufacture of refractory in this study using used kiln refractory from cement industry and 15% coal fly ash as additional. This research analyzed the effect of green body pressure produced by physical properties of refractory which made from mixture of used refractory and coal fly ash. Used refractory crushed into large aggregate size -40 +80 mesh and small aggregate size -80 mesh, while fly ash -100 mesh. Then, the two of material mixed. Raw material pressed by press hydrauliuc, with a cube-shaped mold in 5 x 5 x 5 cm size. The pressure of green body varied in 8, 9, 10, 12, and 13 tons. The product tested by archimedes methode to getting apparent porosity and bulk density, and guarded hot plate methode standard use ASTM (C 177-04) to getting the cold crushing strengh and thermal conductivity. Higher pressure molding green body product was obtained with higher compressive strength and bulk density, with lower value of the apparent thermal conductivity and porosity. The highest value for the compressive strength and bulk density was 4.48 MPa; 1.119 g / cm3; the lowest value of thermal conductivity and apparent porosity is 11.60 W / m.K; 22.034%. Those values obtained from green pressure body 13 tons.AbstrakRefraktori merupakan salah satu jenis bahan keramik yang tahan terhadap panas (temperatur tinggi) dan memiliki kemampuan untuk mempertahankan kondisinya baik secara fisik maupun kimia pada temperatur tinggi tersebut. Pembuatan refraktori pada penelitian ini menggunakan bahan baku refraktori bekas pakai kiln pabrik semen dengan tambahan 15% fly ash batu bara. Penelitian ini menganalisis pengaruh tekanan green body dari campuran refraktori bekas pakai dan fly ash batu bara yang dihasilkan terhadap sifat fisik refraktori tersebut. Bahan baku refraktori bekas pakai dihaluskan dengan distribusi ukuran agregat besar -40+80 mesh dan ukuran agregat kecil -80 mesh, sedangkan fly ash batu bara berukuran -100 mesh. Pemadatan bahan baku dilakukan dengan menggunakan alat press hydraulic, dengan cetakan berbentuk kubus dengan ukuran 5 x 5 x 5 cm. Dilakukan variasi tekanan campuran green body sebesar 8, 9, 10, 11, 12, dan 13 ton. Pengujian produk dilakukan dengan uji porositas (apparent porosity) dan densitas (bulk density) dengan metode archimedes, kuat tekan (cold crushing strenght), dan uji konduktivitas termal bahan dilakukan dengan metode guarded hot plate menggunakan standarASTM (C 177-04). Pengaruh tekanan green body dari campuran fly ash batu bara dan refraktori bekas pakai kiln terhadap sifat fisik refraktori adalah semakin tinggi tekanan pencetakan green body, maka semakin tinggi nilai kuat tekan dan densitasnya, sedangkan nilai konduktivitas termal dan porositas akan semakin rendah. Nilai tertinggi untuk kuat tekan dan densitas adalah 4,48MPa; 1,119 gr/cm3; nilai terendah konduktivitas termal dan porositas adalah 11,60 W/m.K; 22,034 %. Nilai-nilai tersebut didapatkan dari tekanan green body 13 ton.  
Lanthanum and Nickel Recovery from Spent Catalyst using Citric Acid: Quantitative Performance Assessment using Response Surface Method Petrus, Himawan Tri Bayu Murti; Wijaya, Ardyanto; Iskandar, Yusuf; Bratakusuma, Danu; Setiawan, Hendrik; Wiratni, Wiratni; Astuti, Widi
Metalurgi Vol 33, No 2 (2018): Metalurgi Vol. 33 No. 2 Agustus 2018
Publisher : Pusat Penelitian Metalurgi dan Material - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (523.642 KB) | DOI: 10.14203/metalurgi.v33i2.437

Abstract

Heavy metals and Rare earth elements (REEs) are nowadays being used widely in many industries from electronics to petroleum industries as catalysts. However, their disposal caused serious problems to the environment. With the sharp growth in its usage, there is a better way to use and utilize valuable metals from secondary sources such as their disposal rather than using new raw materials. The aim of this work is to study the potential of citric acid as a leaching agent to extract lanthanum and nickel in various acid concentration and leaching temperature. The raw material used in this work is spent catalyst from Pertamina Refinery Unit VI, Balongan, Indonesia. The spent catalyst is decarbonized with a heat treatment at 725°C for 10 minutes before the leaching process. The leaching process used 0.1; 1; and 2 M of citric acid with a varied temperature of 30, 60, and 80°C. The lanthanum recovery was calculated by comparing the mass percentage of lanthanum before leaching process and after leaching process using Energy Dispersive X-Ray Spectroscopy (EDX). The results were analyzed by response surface methodology (RSM) and are proved to be a reliable method to depict and analyze the leaching characteristics. The molarity of the citric acid is the most significant independent variables used in the research for lanthanum recovery response. However, based on the Pareto analysis result there are no significant variables that affect the recovery of nickel. The second order polynomial fitting model is also proved to be compatible with the response of lanthanum recovery but is less compatible with nickel recovery.
KARAKTERISTIK STRUKTUR MIKRO DAN SIFAT MEKANIK BESI TUANG PUTIH PADUAN KROM TINGGI HASIL THERMAL HARDENING UNTUK APLIKASI GRINDING BALL[Microstructure Characteristic and Mechanical Properties of Thermal Hardened of High Chromium White Cast Iron for Grinding Ball Application] Sofi, Achmad; Astuti, Widi; Nurjaman, Fajar
Metalurgi Vol 28, No 3 (2013): Metalurgi Vol.28 No.3 Desember 2013
Publisher : Pusat Penelitian Metalurgi dan Material - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.606 KB) | DOI: 10.14203/metalurgi.v28i3.261

Abstract

KARAKTERISTIK STRUKTUR MIKRO DAN SIFAT MEKANIK BESI TUANG PUTIH PADUANKROM TINGGI HASIL THERMAL HARDENING UNTUK APLIKASI GRINDING BALL. ASTM A532Type II-A adalah jenis material besi tuang putih paduan krom tinggi (high chromium white cast iron), dengankandungan karbon 2,3% dan krom lebih dari 13,3%. Umumnya ASTM A532 Type II-A banyak digunakansebagai grinding ball. Pada studi penelitian ini, proses perlakuan panas berupa thermal hardening dilakukanterhadap material ASTM A532 Type II-A untuk meningkatkan nilai kekerasannya. Proses quenchingmenggunakan dua buah media quenching yang berbeda, yaitu oli dan udara paksa (udara ditiupkan secaralangsung dari fan), sedangkan proses tempering dilakukan pada temperatur yang bervariasi yaitu 250 °C, 300 °C,dan 350 °C. Hasil proses thermal hardening kemudian diuji keras, metalografi dengan OM (optical microscopy),SEM (scanning electron microscopy) dan XRD (X-ray diffraction). Harga kekerasan optimum dari besi tuangputih paduan krom tinggi (ASTM A532 Type II-A) adalah sebesar 723 BHN, yang dihasilkan dari prosesthermal hardening dengan media quenching oli pada temperatur tempering 300 °C. Tingginya harga kekerasanyang dihasilkan dari proses tersebut adalah akibat terbentuknya fasa martensit temper dan tersebarnya karbidakrom dalam jumlah besar (volume fraksi tinggi). AbstractASTM A532 Type II-A is a high chromium white cast iron with carbon content 2.3% and chromium morethan 13.3%. This material is widely used as a grinding ball. In this study, heat treatment process which isthermal hardened, was conducted to increase the hardness of this material. Quenching process used two kindof quench media, such as oil and forced air (which was blown directly from fan), while the tempering processwas conducted with various temperatures, 250 °C, 300 °C, and 350 °C. After thermal hardening process,material was characterized by hardness testing, metallography by OM (optical microscopy) and SEM(scanning electron microscopy), and XRD (X-ray diffraction). The optimum hardness value is 723 BHNresulted from thermal hardening process at 300 °C. Higher hardness value was obtained due to form oftempered martensite and numerous of chrom carbide disperse in this material.
Co-Authors -, Dwiniasih Abdul Hakim Abdul Rachman Abimanyu, Arsenio Jusuf Achmad Roesyadi Adelia, Dila Adiatama, Aufa Rai Adil Jamali, Adil Aditya Firman Ihsan Aditya Firman Ihsan Adiwijaya Adythia, Dicky Marsa Agung Ari Wibowo Agus Haerudin, Agus Agus Prasetya Ahmad Hidayat Ahmad Taufiq Ahmad Tawfiequrrahman Yuliansyah Aisyah Aisyah Aji, Sulistyo Ajrina, Arij Al Imais, Syafin Alexandra, Natasya Viona Alifiah Azzahra Amelia Fitri Amien, Iqmal Lendra Faisal Aminuyati Anastasia Prima Kristijarti Anastasia Prima Kristijarti Andriani, Amelia Andriyana, Alma Andriyaningsih, Ayu Angelia, Annasthasya Milleni Ani Azzara Ani Diana Anugrah, M. Taufik Apriliansyah, Udin Aprimal Aprimal, Aprimal Apriyanti, Eny Aprolita Aprolita Ardana, Grandis Belva Ardianto, Hendri Arham, La Ode Ari Hasan Ansori Arif Budianto Cuaca Arsyad Lubis, Arsyad Astri, Mutiara Sandina Astrilia Damayanti Athif, Rona Najma Atiqoh, Atiqoh Atitah, Siti Ayu, Fera Diah Azany, Ghaefira Tasya Azhar Azhar Azwar Manaf Bahfie, Fathan Bahri bahri Bahri, Elsha Pamida Bayu Kurniawan Birawidha, David C Bratakusuma, Danu Bratakusuma, Danu Budiman, Dwi Aji Canceryta, Sherly Catur Rini Widyastuti Catur Rini Widyastuti, Catur Rini Chafidz, Achmad Charneidy, Muhammad Avryzal Chusnul Khotimah Dailatus Syamsiyah, Dailatus Dais Maesadillah Danang Triantoro Murdiansyah Daulay, Amru Daulay, Putri Jesukma Debi, Jeri Devei, Astri Devi, Fatma Putrinta Dewi Agustina Iryani, Dewi Agustina Dewi Purnama Sari Dewi, Dira Fitria Dewi, Jilda Sofiana Dhidik Prastiyanto Dhoni Hartanto Diah Ayu Wulandari, Diah Ayu Diah Susanti Diwangkara, Naufal Kresna Diyanti, Eka Djoko Widodo Donny Lesmana Dryandi, Rayyan Akmal Dwi Aryani, Dwi Dwi Fitriyani Dwi Handayani, Anggelita Dwi Puspa, Cindy Dwi Wiji Lestari, Dwi Wiji Dwifebri, Mahendra Dzati Utomo Efrida, Rizki Eko Wahyuni Elmi, Bellah Asa O'Neal Endang Susilowati Erik Prasetyo Fachry Abda El Rahman Fadilla, Rahma Nur Fahrurozi, Mohammad Fajar Nurjaman Fajriani, Sisca Nur Fandika, Putri Maharani Adinda Fathurahman, Dennis Fazila, Dian Ferian Anggara Ferona, Naiza Firman Ihsan, Aditya Fissilmi, Siti Rahiel Fitri, Zulfa Ajrina Fitriani, Fira Zulfa Gata, Windu Gemilar, Gelar Panji Gyan Prameswara H. Sihabudin Hadi Rohyana Hadikawuryan, Danang Subarkah Haditira, Ragil Hafid Zul Hakim Hafidhah, Shiddiqoh Haidilia Maharani Hamid, Delvani Putri Faradilla Handini, Tri Hanif Ardhiansyah Hardiantika, Widya Harianingsih, Harianingsih Haris Budiana Harry Supriadi Harta Haryadi, Harta Hawari, Nadifatul Hendrik Setiawan, Hendrik Heny Kusumayanti Herdwiyanti, Menik Himatul Khoeroh Himawan Tri Bayu Murti Petrus Himawan Tri Bayu Murti Petrus Hunainah I Nyoman Sueca Ida Zuniarti, Ida Ignatius Hapsoro Wirandoko Ika Amalia, Ika Ika Fitri Apriani Ilham Jaya Imam Prasetyo Iman Supriyatna, Yayat Indah Nurul Izzati, Indah Nurul Indra Perdana Indri Rahayu Indriyani, Niko Indriyati, Rose Intan Tri Lestari Iqlima Fristy Wahrolis Iramadhani, Dwi Irma Nur Amalia Isna Muhammad Fathoni Isnaini, Isnaini Istihanah Nurul Eskani, Istihanah Nurul Ivan Hanafi Jannah, Reni Ainun Januarika, Satria Jayawarsa, A.A. Ketut Jefry, January Joni Setiawan Julianti1, Mega Julistia, Rini Jumadilla, Julia Karlimah Karlimah Karyono, Hari Kasman Kasman Kemas Muslim Lhaksmana Kevin Cleary Wanta Khairunnisa Khalisa Okky Khoeroh, Himatul Khoiroh, Ianatul Khoirul Anwar Khudzaifah Dimyati Kristian, Lian Kurniawansyah, Firman Kusniawati, Mega Ayu Laela, Euis Laelatul Gorro Laili Etika Rahmawati Lanjar, Lanjar Leksmono, Nabil Hanif Lestari, Liana Lestari, Yovita Endah Lia Mazia, Lia Lola Wahyuni Lubis, Jihan Asfani Lukita, Carolyn Luwiha , Luwiha LUWIHA LUWIHA M. Taufik Anugrah Maftukhaturrizqiyah, Maftukhaturrizqiyah Maharani Kusumaningrum Maharani, Safira Mahdali, Yahya Mahendra Dwifebri Purbolaksono Maksiola, Masni Mardiono Mardiono Marjunus, Roniyus Martini Martini Maryam Maryam Maspupah, Maspupah Masyfufah, Lilis Maszura, Leni Maulida Zakia Meliyana Moch. Setyadji Mudjiarto, Hari Mufakhir, Fika Rofiek Mufakhir, Fika Rofieq Muhammad Amin Muhammad Farhan Muhammad Ilyas Mujiono Mujiono Mullah, Ikram Muna, Zurratul Munizar Munizar, Munizar Mustika, Pra Cipta Buana Wahyu Nagatirta, Partama Nagatitha, Partama Nainggolan, Nurul Istiqomah Nasution, Elvy Sahnur Nasution, Yogi Tri Putra Natalia, Priskila Nazwa, Siti Halimatu Negoro, Gusti Maulana Neneng Anisa Rahmawati Ni Made Yuliani Niami, Mutimatun Nihayatus Sholichah Ningtyas, Fitri Ayu Ningtyas, Mega Nirmala, Evatias Nizar, Fariz Noer Rahmi Ardiarini, Noer Rahmi Nova Susilowati, Nova Novita, Cahya Nugraha, Mohamad Rizki Nugraheny, Alvi Nur Nugroho, Tatag Adi Nulhakim, Lukman Nur Afni Safarina, Nur Afni Nur Nalindra Putra, Nur Nalindra Nur Sakinah Nurhapsari Pradnya Paramita Nurmalasari Nurmalasari Nurmansyah Nurmansyah, Nurmansyah Nuzuluddin, Taufiq Rizza Pambudi, Puguh pamungkas, Nanda dwi Panut Mulyono PERMADI, SIGIT Pinania, Kherani Hana Pinem, Joshua Piscaloka, Viora Rianda Poernomo, Venny Pradnya, Irene Nindita Prakosa, Agus Pramesti, Amadea Vaskallya Pramitha, Deva Aurelya Prasetyo, Johan Hendri Pribadi, Maylina Surya Wirawati Prima Astuti Handayani Pujiama, Riwonan Purwana, Yulian Candra PURWANDOKO, EDI Puteri, Nurhidayah Putra, Agik Dwika Putra, Ferdian Ahya Al Putra, Ilham Satria Raditya Putri Puspitasari Putri, Adelia Mahayani Putri, Alika Setia Putri, Bunga Ludmila Rendrar Putri, Dini Fitria Putri, Jesika Puzi, Asmarani Ahmad R.TD Wisnu Broto Rachmad Djamaludin Radenrara Dewi Artanti Putri Radenrara Dewi Artanti Putri, Radenrara Dewi Artanti rahayu, Intan dwi Rahmadani Rahmadani Rahmadani, Chindy Novita Rahman, Muhammad Miftahur Rahmia Dewi, Rahmia Ramadhany, Putri Ratna Dewi Kusumaningtyas Ratna Frida Susanti Rauf, Aulia Lestari Rauhillah, Siti Resti, Indah Ana Retno Wulandari Ria Saputri, Ria Ria Wulansarie, Ria Riayanti, Fatma Indah Rini Julistia Riyadi, Delfimelinda Nurul Riza Mazidu Sholihin Rizkiyanto, Muhamad Dafa Rofiek Mufakhir, Fika Rohyana, Hadi Romdhoni, Mohamad Rosmiati, Meiti Rozana, Monna RR. Ella Evrita Hestiandari RTD. Wisnu Broto Rusmawati, Cikal Pustiprayata Sabarman, Harsojo safarina, Nurafni Safitri, Isnaini Safriana Samiaji, Danang Rusdawidra Saputra, Vito Ardino Saputro, Muhammad Andi Saragih, Rasianna Br. Saragih, Ratih Monalisa Sarasati, Fajar Sarkadi Sasmito, Adi Sawiji, Kurnia Ayu Sentot Purboseno Sephiani, Regina Septriana, Ayu Setyawan, Cahya Edi shinta virdhian, shinta Siagian, Franky Michael Hamonangan Silviana, Yasinta Simanungkalit, Ivanna Crecentia Narulita Sinaga, Nurul Afni Sipahutar, Wahyu Solafide Siregar, Nurhabibi Siregar, Togu Nadia Sisprihattono, Boyke Siti Nurul Aisyiyah Jenie, Siti Nurul Aisyiyah Sitorus, Velin Novalina Situmorang, Monatalia Lamtama Slamet Sumardi, Slamet Soehartono Soehartono Soesaptri Oediyani Sofi, Achmad Sofiana Dewi, Jilda Sri Arfiah Sri Subekti Sujoto, Vincent Sutresno Hadi Sukestiyarno Sukestiyarno Suprihatin Suprihatin Suprihatin Supriyadi, Harry Supriyatna, Yayat Iman Suryanaga, Chandra Edward Suryanaga, Edward Chandra SUSANTO SUSANTO Sutha, Diah Wijayanti Sutijan Sutijan Sutopo, Ulung Suyanti Suyanti Suyatno, Tri Syahputra, Muhammad Fadillah Syahridha, Putri Ulfah Syamsumin Syamsumin, Syamsumin Taharuddin Taharuddin Tamara Devi, Sri Tampubolon, Aron Pangihutan Christian Tangkas, I Wayan Christ Widhi Herman Tri Haryono Triani, Lili Triastuti Sulistyaningsih Trinanda, Syifa Khaerunisa Udin, Ruis Ummi Chasanah, Ummi Utama, Andhika Putera Utomo, Dimas Bagus Galih Wahyu Spotyawan, Candra Wahyu Widiastuti, Wahyu Warmita, Helena Karunia Widhi Maharani Widhi Mahatmanti Widyawati Widyawati Wijaya, Anggit Wijaya, Ardyanto Wijayanti, Reni Titis Wilantapoera, Alex Wira Wiratni Wiratni, Wiratni Wulansari, Durroti Zuhriah Yakub Nasucha Yanuarika, Satria Yara Andita Anastasya Yuda, Aulia Pertiwi Tri Yulia Nanda Safitri Yuliana Sari Yuliana, Yuliyana Yunanto Yuni Kusumastuti, Yuni Yuniati, Mutia Dewi Yusup Hendronursito, Yusup Zaharuddin Zaharuddin, Zaharuddin Zhafira, Ryanne Zuhdi, Syaifuddin Zulaechah, Luluk Siti Zurnali, Cut