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PEMBUATAN DAN UJI AKTIVITAS ELEKTROKATALIS KATODA PtCr/C DIRECT METHANOL FUEL CELL (DMFC) Widodo W. Purwanto; Hairuni S.T.H; Slamet Slamet; M. Robbi F.; Verina J.W.D
Reaktor Volume 11, Nomor 2, Desember 2007
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.044 KB) | DOI: 10.14710/reaktor.11.2.53-56

Abstract

Penambaan krom pada katoda Pt/C bertujuan untuk meningkatkan aktivitas reduksi oksigen dan mengurangi dampak methanol crossover yang terjadi pada DMFC. Penelitian PtCr/C disintesis dengan menggunakan metode poliol. Karakterisasi katalis dilakukan dengan XRF dan aktivitas katalis dianalisis dengan uji setengah sel dan satu sel. Hasil eksperimen uji setengah sel menunjukkan bahwa penambahan krom sebagai logam kedua belum dapat meningkatkan reaksi reduksi oksigen bila dibandingkan Pt/C ketika diuji tanpa kehadiran metanol sedangkan dengan kehadiran metanol 0.5 M aktivitas reduksi oksigen lebih tinggi. Aktivitas PtCr/C terbaik ditunjukkan oleh kinerja PtCr dengan komposisi 0.7:0.3 dimana tanpa kehadiran metanol potensial sel mencapai 0.76V dan dengan kehadiran metanol 0.5 M mencapai 0.77V. Aktivitas Pt/C tanpa kehadiran metanol mencapai 1.08V dan dengan kehadiran metanol menjadi 0.28V. Pada uji satu sel, aktivitas reduksi oksigen PtCr/C lebih rendah bila dibandingkan Pt murni. Tegangan maksimum PtCr/C sebesar 336-405 mV dan densitas energi maksimum 0.324-2.8 mW. Untuk Pt/C dengan tegangan maksimum sebesar 431 mV dan densitas energi maksimum 4.86 mW. Kinerja PtCr/C terbaik didapatkan pada katalis katoda hasil preparasi PtCr/C 0.8:0.2 yaitu densitas energi maksimum sebesar 2.8 mW/cm2 pada 182 mV dan 13.12mA/cm2.
PENGOLAHAN LIMBAH Cr(VI) DAN FENOL DENGAN FOTOKATALIS SERBUK TiO2 DAN CuO/TiO2 Slamet Slamet; R. Arbianti; E. Marliana
Reaktor Volume 11, Nomor 2, Desember 2007
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1244.132 KB) | DOI: 10.14710/reaktor.11.2.78-85

Abstract

Studi tentang pengolahan limbah Cr(VI) dan fenol secara fotokatalisis telah dilakukan dengan fotokatalis TiO2 dan CuO/TiO2. Katalis CuO/TiO2 dipreparasi dengan cara impregnasi terhadap TiO2 Degussa P25 menggunakan larutan garam tembaga yang berasal dari berbagai jenis prekursor. Komposisi Cu dalam katalis divariaskani dari 0,2% hingga 5%. Fotokatalis tersebut kemudian dikarakterisasi DRS (Diffuse Reflectance Spectroscopy) dan XRD (X-Ray Diffraction). Aktivitas fotokatalis diuji dengan menggunakan sistem reaktor slurry yang bekerja secara batch dan dilengkapi dengan 6 lampu UV black light selama 5 jam, kemudian hasilnya dianalisis dengan UV-VIS Spectrophotometer. Hasil karakterisasi DRS menunjukan bahwa penambahan CuO dari 1% hingga 5% ke dalam TiO2 dapat meningkatkan pita absorbansi katalis dari 398 hingga 413 nm dan menurunkan band gap dari 3,2 hingga 2,58 eV. Hasil karakterisasi XRD menunjukan adanya struktur kristal anatase dan rutil dalam katalis TiO2 dan CuO/TiO2, sementara struktur kristal CuO muncul pada katalis CuO/TiO2 yang dipreparasi dengan prekursor Cu-Asetat dan Cu-Nitrat. Fotokatalis 0,2% CuO/TiO2 dari prekursor Cu-Asetat memiliki aktivitas optimal yang mereduksi Cr(VI) 99,67% dan mendegradasi fenol 97,16%. Sementara jika kedua limbah tersebut diolah secara simultan, katalis TiO2 Degussa P25 memiliki aktivitas yang paling tinggi dengan meningkatkan konversi reduksi Cr(VI) menjadi 100% dan menurunkan konversi degradasi fenol menjadi 93,81% dengan waktu reaksi 5 jam.
Performance Test with TiO2 Modified Activated Carbon on Pilot Scale Phenol Removal Slamet Slamet; Ade Putera; Setijo Bismo
IPTEK The Journal for Technology and Science Vol 19, No 4 (2008)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v19i4.143

Abstract

The integrated of activated carbon adsorbent and TiO2 photocatalyst (TiO2/AC) has been synthesized and evaluated to remove phenol in the continuous pilot scale system. TiO2/AC was prepared by mixing of AC into sol system consisting of TiO2 Degussa P-25, water, and tetraehtyl orthosilicate (TEOS) solution as a source of silica. The mixtures then evaporated at ±97oC and calcined at 400oC. Performance test of the material was conducted using Tubular-V-Collector (TVC) reactor that equipped with 14 UV black light lamps. The experimental results show that the phenol could effectively be removed through simultaneous adsorption and photocatalysis. Within the residence time of 6 minutes, TiO2/AC could continuously remove the 50 ppm of phenol by 100% phenol removal as long as 5 hours.
Potensi Titania Nanotube Array dan Aplikasinya Dalam Produksi Hidrogen dan Pengolahan Limbah Ratnawati Ratnawati; Slamet Slamet
Jurnal Kimia dan Kemasan Vol. 34 No. 2 Oktober 2012
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3275.132 KB) | DOI: 10.24817/jkk.v34i2.1861

Abstract

Titania (TiO2) merupakan salah satu material fotokatalis yang banyak diteliti dewasa ini kerena mempunyai banyak keunggulan dan aplikasi. Secara umum TiO2 masih memiliki kelemahan karena luas permukaannya yang rendah, tingginya laju rekombinasi elektron dan hole (e- dan h+), serta besarnya nilai energi band gap. SintesisTiO2 dengan morfologi nanotube array (TNTAs) secara anodisasi menarik banyak para peneliti karena meningkatkan luas permukaan TiO2, dan mengefektifkan penyerapan foton dan transport elektron pada proses fotokatalisis. Untuk mengurangi laju rekombinasi e- dan h+ serta memperkecil nilai energi band gap, modifikasi TiO2 nanotube dengan dopan logam maupun non logam tertentu juga sering dilakukan agar fotokatalis tersebut memberikan kinerja yang lebih baik. Review ini difokuskan pada kemajuan terkini dari TiO2 nanotube, terutama dalam hal sintesis TNTAs secara anodisasi, modifikasi TNTAs, serta potensi aplikasinya dalam produksi hidrogen dan pengolahan limbah. 
STUDI PRODUKSI HIDROGEN MENGGUNAKAN FOTOKATALISIS Pt (1%)/TITANIA NANOTUBE DENGAN SACRIFICIAL AGENT METANOL DAN GLISEROL Indar Kustiningsih; Haryadi Wibowo; Slamet Slamet
JURNAL KONVERSI Vol 4, No 1 (2015)
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/konversi.4.1.%p

Abstract

ABSTRAK. Produksi Hidrogen dengan menggunakan Fotokatalis Pt (1%)/Titania NanoTube dengan menggunakan Sacrificial agent Metanol dan Gliserol pada temperature reaksi 30 oC sampai dengan 70 oC telah dilakukan dalam suatu system reactor tertentu. Metanol dan Gliserol efektif digunakan pada produksi Hidrogen. Hasil produksi yang diraih oleh Metanol dengan Pt(1%)/TiNT adalah sebesar 2306 µmol/gcat, sementara itu produksi Hidrogen dengan menggunakan Gliserol sebesar 2120 µmol/gcat. Energi aktiviasi estimasi untuk Pt(1%)/TiNT dengan Metanol sebesar 10,869 kJ/mol, sementara dengan menggunakan Gliserol sebesar 11,901 kJ/mol. Penggunaan dopan metal Pt memberikan hasil produksi Hidrogen sebesar dua kali lipat jika dibandingkan dengan tanpa dopan, dengan sacrificial agent yang sama. Kata Kunci : fotokatalis, gliserol, hidrogen, metanol, Pt (1%)/Titania
Rekayasa Masker Anti Polutan Gas Buang Kendaraan Berbasis Katalis Komposit TiO2-AC-ZAL-T Slamet Slamet; Ikha Muliawati; Muhamad Ibadurrohman
Jurnal Kimia dan Kemasan Vol. 34 No. 1 April 2012
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v34i1.1855

Abstract

Katalis yang dibuat dari komposit titania, karbon aktif, dan zeolit alam Lampung (TiO2-AC-ZAL) telah berhasil disintesis dengan metode pencampuran mekanik untuk diaplikasikan sebagai bahan masker. Komposit TiO2-AC-ZAL dilapiskan ke alumunium foil dan serat nanas untuk diuji kinerjanya dalam mengeliminasi polutan CO, NOx, dan senyawa hidrokarbon (HC) secara simultan. Kinerja komposit dalam mendegradasi polutan tergantung dari komposisinya, dan komposisi terbaik untuk mengeliminasi ketiga polutan tersebut adalah TiO2 10,0% − AC 8,2% − ZAL − T 81,8%. Kinerja katalis semakin efektif seiring dengan bertambahnya jumlah komposit dalam masker (hingga 10 g). Pada penelitian ini, pengaruh konsentrasi awal polutan juga dipelajari dan diperoleh bahwa semakin tinggi konsentrasi awal polutan maka laju eliminasi polutan semakin besar, meskipun waktu yang dibutuhkan untuk mencapai ambang batas baku mutu lebih lama. Secara keseluruhan, hasil dari penelitian ini menunjukkan bahwa masker anti polutan yang direkayasa sudah cukup layak untuk mendegradasi polutan CO, NOx, dan HC secara simultan, sehingga potensi aplikasinya cukup menjanjikan. 
Enhancing Hydrogen Generation using CdS-modified TiO2 Nanotube Arrays in 2,4,6-Trichlorophenol as a Hole Scavenger Ratnawati Ratnawati; Slamet Slamet; Farah Diba Toya; Satrio Kuntolaksono
International Journal of Renewable Energy Development Vol 11, No 4 (2022): November 2022
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2022.45139

Abstract

Nowadays, the lack of renewable energy such as hydrogen, and other environmental issues are problems that must be resolved. 2,4,6-Trichlorophenol (2,4,6-TCP) is classified as a recalcitrant pollutant due to its carcinogenic properties, high toxicity, and dangers to the environment therefore it needs to be eliminated. Hydrogen production using organic pollutant (2,4,6-TCP solution) as a hole scavenger on CdS-TiO2 nanotube arrays photocatalyst (TNTA-CdS) has been investigated at various CdS loading on TNTA and the initial concentration of 2,4,6-TCP. The TNTA sample was prepared by anodization and followed by an electrodeposition method to decorate CdS on TNTA. The H2 which was generated by reduction H+ and the 2,4,6-TCP removal was performed simultaneously by photocatalysis with TNTA-CdS as photocatalyst. The mole ratio of CdCl2:CH3CSNH2 as precursors of CdS deposited on TNTA (CdS loading) were 0.1:0.06, 0.2:0.12, and 0.4:0.24 and the initial concentration of 2,4,6-TCP were 10, 20 and 40 ppm. Meanwhile, the photocatalytic performance of the variations in CdS loading on TNTA and initial concentration of 2,4,6-TCP toward hydrogen generation was investigated in a photoreactor for 240 minutes under visible light irradiation with a mercury lamp as a photon source. The CdS decorating on TNTA was confirmed by SEM, EDX, and X-ray diffraction (XRD) characterization. According to the UV-Vis and XRD analysis, the TNTA-CdS samples have bandgap energies in the range of 2.71 - 2.89 eV and comprise a 100% anatase phase. Based on the photocatalysis results, the optimum composition of CdS loading is 0.2:0.16 (TNTA-CdS-2) which produced the highest total hydrogen (2.155 mmol/g) compared to the other compositions and produced 1.5 times higher compared to TNTA at 40 ppm of 2,4,6-TCP.
Photocatalytic Treatment of Heavy Metal Waste Cr(VI) withTiO2 Photocatalyst Slamet, Slamet; Syakur, Riyadi; Danumulyo, Wahyu
Makara Journal of Technology Vol. 7, No. 1
Publisher : UI Scholars Hub

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

Abstract

Photocatalytic Treatment of Heavy Metal Waste Cr(VI) with TiO2 Photocatalyst. The photocatalytic reduction of hexavalent chromium/Cr(VI) using TiO2 and copper-doped TiO2 as photocatalysts have been studied in stirred tank and circulating photoreactors. All photocatalysts were characterized with FTIR (Fourier Transform Infra Red), BET (Brunauer-Emmett-Teller), XRD (X-Ray Diffraction) and SEM (Scanning Electron Microscope). TiO2 Merck and Degussa P-25 are the commercial photocatalysts used to compare the photocatalytic activity of all the prepared catalysts. Blank test experiments as well as the effect of dopants, EDTA (ethylenediaminetetraacetic acid) and activated carbon addition were studied. Cr(VI) reduction on various pH and initial Cr(VI) concentration were also conducted. The results of the experiments showed that the addition of EDTA as a hole scavenger can increases the activity of all catalysts at about 10%. Rate of Cr(VI) photoreduction is more feasible at low pH and low initial Cr(VI) concentration. The addition of activated carbon (AC) increases the photocatalytic activity at about 5% due to the synergy effect between catalyst and AC. Pure TiO2 powder prepared from TiCl4 has the highest activity in reducing Cr(VI) with the conversion of 80% due to the high crystalline (anatase) and surface area. Photoreduction of Cr(VI) over TiO2 film photocatalyst in circulating photoreactor has not shown a significant result yet. Therefore it is needed to improve furthermore the photoreactor system especially for the film type photocatalyst.
Simultaneous Treatment of Organic (Phenol) and Heavy Metal (Cr6+ or Pt4+) Wastes over TiO2, ZnO-TiO2 and CdS-TiO2 Photocatalysts Slamet, Slamet; Arbianti, R.; Daryanto, Daryanto
Makara Journal of Technology Vol. 9, No. 2
Publisher : UI Scholars Hub

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

Abstract

Simultaneous Treatment of Organic (Phenol) and Heavy Metal (Cr6+ or Pt4+) Wastes over TiO2, ZnO-TiO2 and CdS-TiO2 Photocatalysts. Treatment of heavy metal (Cr6+ and Pt4+) and organic (phenol) wastes has been studied using the relatively new method, i.e. simultaneous photocatalytic process over TiO2 photocatalysts in the batch photoreactor. Following the photocatalytic reduction of the heavy metal wastes, recovery of Cr and Pt was carried out by precipitation and leaching method, respectively. The experimental results show that in the simultaneous photocatalytic system, there is a synergism effect between the photocatalytic reduction of heavy metal waste (Cr6+ or Pt4+) and the oxidation of organic waste (phenol), so that increasing the conversion of each other. Dopant of ZnO with the optimum loading (0.5 wt%) could slightly increase the performance of TiO2 photocatalyst in photocatalytic treatment of the wastes. Whereas CdS dopant with the optimum loading of 1 wt% could significantly enhance the performance of TiO2 photocatalyst in simultaneous Cr(VI) reduction and phenol oxidation with the highest conversion of ≥ 97 % and 93 %, respectively. Photocatalytic reduction of Pt(IV) under 0.5%ZnO-TiO2 and 1%CdS-TiO2 photocatalysts effectively occurred with a high conversion (> 99 %) in 2 hours irradiation of UV. The optimum precipitation condition of Cr(III) recovery was achieved at pH = 9, with the efficiency of recovery was 91 %. Optimum temperature of leaching process in Pt recovery was 100 oC, with the efficiency of recovery was 86 %.
SIMULTANEOUS ELECTROCOAGULATION - PHOTOCATALYTIC SCENARIO TO ENHANCE HYDROGEN PRODUCTION IN LIQUID WASTE TREATMENT: A BRIEF OVERVIEW Reno Pratiwi; Slamet Slamet; Dina Asmaul Chusniyah; Widia Yanti
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 3, OCTOBER 2022
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1500.76 KB) | DOI: 10.25105/urbanenvirotech.v5i3.14447

Abstract

The issue of environment and sustainable energy are two issues that have not been completely resolved until today. Liquid waste treatment technology, which can remove pollutants and produce hydrogen gas, is interesting to study since hydrogen itself is one of the energy sources whose use has begun to be developed. Aim: The following article will discuss several aspects that can be developed in each technology. Methodology and Results: Electrocoagulation and photocatalyst are both technologies which are possible to eliminate liquid pollutants while producing hydrogen in a single process. Research that attempts to combine two processes to improve the ability to treat pollutants in wastewater while producing hydrogen has been carried out. The optimization process can be carried out respectively in terms of electrocoagulation and photocatalytic technology. Modifications can also be made by combining the two processes of electrocoagulation and photocatalysis, either sequentially or simultaneously. Modification process carried out aims to increase hydrogen recovery without neglecting the ability of electrocoagulation and photocatalysis in removing organic waste. Conclusion, significance, and impact of study: This brief review provides an overview of the potential of electrocoagulation and photocatalysis technology in its ability to remove liquid waste while producing hydrogen gas. The opportunity to combine the two processes is also shown based on previous studies. The review is carried out based on an in-depth study of the research that has been done. The simultaneous use of both processes has been shown to provide much better capabilities in terms of removing liquid waste and producing hydrogen gas.
Co-Authors -, Sutriyanto A. Salim Afrozi A.A. Ketut Agung Cahyawan W Abdul Hamid Budiman Abdul Malik Karim Amrullah Abdur Rahim, Abdur Achmad Rasyid Ridha Achmad Vandian Nur, Achmad Vandian Ade Eka Anggraini Ade Putera Adhim, Muhammad Maslukil Adiwibowo, Muhammad Triyogo Affifatuzahara, Affifatuzahara Agung Murti Nugroho Agung Sri Hendarsa Agung Sri Hendarsa, Agung Sri Agus Salim Afrozi, Agus Ahdiansyah, Muhammad Hafidz Ahyaitasyarafa, Afina Ainun Muthoharoh, Ainun Akbarahma, Mardika Alaiya, Syekha Vivi Alam, Nurayatul Alfien, Moh. Fajrul Ali Mandan, Ali Ali Multazam Alimandan, Alimandan Amran Jaenudin Andrianto, Arya Anesa Surya Anjelica, Benedikta Anjik Sukmaaji Annisaul Khasanah Wulandari Khasanah Wulandari, Annisaul Khasanah Wulandari Khasanah Aqmarina, Nur Ardiah Juita Ardianto, Risko Aris Aref Vai Arif Setia Sandi A. Arifianto, Rokhmat Ario Guritno Astuti, Diah Athiek Sri Redjeki Athiek Sri Redjeki Atikah Anindyarini AUNUR ROFIQ Azmala, Ilya Bagaskara, Doni Yusuf Baig, Maughal Ahmed Ali Baliputra, Gigih Army Buana Balqis, Fadia Indah Bambang Heru Susanto Banun Sri Haksasi Barokatun Hasanah, Barokatun BAYU PRASTOWO Bayu Setiawan Bekti Wulandari Budi Murtiyasa Budi Santoso Budi Sungkawa, Hendra Cahyono, Erik Catur Nitya V.N. Catur Nitya V.N., Catur Nitya Chintia, Vika Ciputra, Roni Cahya Dahliatul Hasanah Daryanto Daryanto Dea Sari, Khafifah Defi, Defi Denni Kartika Sari Desi Heltina Dewanta, Bagaskara Gita Dewanto, Satriyo Agung Dewi, Vera Melinia Didik Sudarsono Dimas Suryo Sukirno Dina Asmaul Chusniyah Dj, Herlinda Djohan Djohan, Herlinda Dwi Ningsih, Yuni Astuti E. Enjarlis E. Marliana E.G. Lestari Edy Suryanto Eko Mugiyanto, Eko Elfrida Ratnawati Eniya Listiani Dewi Eny Kusrini Erdiana, Luthfi Widad Eriawan Rismana Esha, Muhammad In'am Euis Uswatun Hasanah Evindra, Jodi FACHROZI. F Fadhilah, Isna Fahmi, Nasrina Nur Faizal Rizky Yuttama Farah Diba Toya Farida Isroani Faris, Sukron Fauzi, Chamda Fauzi, Chamdan Fauziah, Khoirunisa Fauziah, Nadia Kurnia Febrian Tri Adhi Wibowo Febrianti, Aprilia Fidarohman, Fidarohman Firdaus, Predi Firmanlindo, Dimas Satria Fitrulloh, Moch. Jassar Aqsal Frederikus Dian Indrastomo, Frederikus Dian Friarcha, Adly Fuad, Asfal Ghafur, Okta Abdul Guspari, Weldi H Sinaga, Rinaldo Agus Habibati, Almas Septia Hairuni S.T.H Hakim, Arif Lukman Hamidan, Rusdi Hardhita, Rizki Septa Hardiyanti, Dwi Harini Harini Harjanti, Agnes Isti Harsono Harsono Haryadi Wibowo Haryadi Wibowo Haryono Haryono hasan, dahlawi Hasanah, Euis Uswatun Hayya, Fina Lu'lual Hendriana, Benny Hendrini Pujiastuti Heri Hermansyah Hidayati, Suci Hidayatullah, Ahmad Diny Himmah Taulany Hutabarat, Ricard Parulian Ignatius Adrian Mastan Ihsan, Bagus Muhammad Iistiklaili, Fifti Ikha Muliawati Ikha Muliawati, Ikha Imam Rofiki Imami, Nor Ali Sukkron Imas, Karina Kalmapuspita Imma Fatayati Indah Yuliana Indar Kustiningsih Indar Kustiningsih Indar Kustiningsih Indra, Abel Indrawati, Iin Dyah Indriati Nurul Hidayah Indriyani, Puspa Irdyansah, Andry Irma Rumondang Irmayanti Hasan Irnawati Irnawati Irwan, Wahyurrahman Ferbiansyah Adha Muhammad Istiani, Lia Sukma Jaenudin, Erik Jamilah, Zahrotul Jarnuzi Gunlazuardi Jenny Ernawati Jessica Tanuwijaya Jessica Tanuwijaya, Jessica Julius Rainer Sudianto Kamaludin Kamaludin Karina Kalmapuspita Imas Karjo, Karjo Kesuma Wardanie, Debleng Puja Khasanah, Irma Khasanah kholia, Amalia Khusna Santika Rahmasari Komala, Laura Kusmanto, Adi Kustiningsih, Indar Kustiningsih, Indar Labunda, Aura Iqlima Lahmadini, Ersha Karima Laila Fitri Nur Hidayah Laili, Afrohatul Lambok Manurung Laula, Laula lenny kurniati, lenny Lianti Putri, Puspita Lili Marliyah Lukman Subekti Luluk Elyana Luswandari, Wulan Fatikhah M. Ibadurrohman M. Rizki C, M. Rizki C M. Robbi F. M. Yogi Riyantama Isjoni Maaliki. H, Maulana Danar Made Sudana, I Mafruroh, Mafruroh Manunggal, Mugi Siti Marcelinus Christwardana Maretha Ika Prajawati Marhaeni Dwi Satyarini Maria Denok Bekti Agustiningrum Masrukhi Masrukhi Maughal Ahmed Ali Baig Maulana, Yoppy Meti Fatimah Miftakhul Rohman, Muhammad Yasin, Iwan Marwan, Miftakhul Rohman, Milatun Khanifah Misbahul Munir Mochamad Syamsiro Mochammad Arifin Mochammad Facta Moedrik, Irwan Mohamad Erihadiana, Mohamad Muarofah, Siti Najatun Muchammad Ajhi Romadhon Muhamad Ibadurrohman Muhamad Ibadurrohman, Muhamad Muhammad Fahmi Hakim Muhammad Febriansyah Bachri Muhammad Ibadurrohman Muhammad Noor Fitriyanto Muhammad Syaifudin Muhammad Triyogo Adiwibowo Muhklasin, Ahmad Mulyadi Mulyadi Mulyadi, Tubagus Mulyani, Rahmatika Munardi, Fhatia Natasya Murfiah Dewi Wulandari Musaidah, Siti Mustolik, Imam Bani Mutiarani Pionera Nana Noviada Kwartawaty Nasution, Muhammad Ali Nawab, Muhammad Ni Putu Nita Wijayanti Niam, Siti Khozinatun Nida, Khairun Ningrum, Wulan Agustin Nizar, Yusuf Bahrudin Nova, Fifit Noviana, Titik Noviyanti, Shobihatul Fitroh Novriyan, Grace Nugraha, Rizaldi Nugroho, Citra Maulidyah Rahmawati Nungki Marlian Yuliadarwati Nuniek Nizmah Fajriyah Nur Azmi Ainul Bashir Nur Rohmawati, Yuli Nur Yasin Nurhayati, Etiek Nurhidayah, Larasati Sukma Nuryanti Nuryanti nuryanti, nuryanti nur Oktavia, Endah Oktaviani, Riska Kurnia Oktiawati, Unan Yusmaniar Pambudi, Dwi Bagus Pamudi Pamudi, Pamudi Pamungkas, Maulana Al Bana Pantjawati Sudarmaningtyas Pardal, S.J. Perez, Albert Yaser Permadi, Hendro Pinurti, Hayu Pradana, Adlan Bagus prajawati, mareta Prajnawati, Maretha Ika Pramesti, Rory Nur Pramudya, Stansa Senia Pranoto, Ponco Wali Prasetya, Candra Dwi Prasetya, Johan Praswasti PDK Wulan, Praswasti PDK Prihandoko, Tri Leksono Puguh Darmawan Pujiastuti, Hendrini Purnama, M. Wildan Purnomo, Muhammad Sidiq Pusnawati, Yeni Puspawati, Yunita Dwi Putra, Fredriex Pramana Putra, I Gusti Ngurah Alit Widana Putri, Berliana Tristati Putri, Berliana Tristati Putri, Martina Reza Putri, Martina Reza Qibtiah, Maryatul R. Arbianti R. Arbianti R. Soelistijanto Rachmanto, Wahyudi Rafinci, Ari Septia RAGAPADMI PURNAMANINGSIH Rahayu Lestari Sugihartini Rahayu, Suwasti Rahmadina, Shiva Nur Aulia Rahman, Fatchur Rahmita, Rahmita Ramli, Nurleli Ratnawati Ratnawati Ratnawati Ratnawati Ratnawati Ratnawati Ratnawati Ratnawati Ratnawati Ratnawati Reno Pratiwi Reno Pratiwi Resi Levi Permadani Riadi, Bagus Richie, Enrico Rifaldi, Ridho Rike Yudianti Rini Nurhakiki Rita Arbianti Riyadi Syakur Riyadi Syakur, Riyadi Rizqial, Farchan Ananda Roekmijati Roekmijati Rofiqi, Rofiqi Romanto, Romanto Rozi, Fajrul RR. Ella Evrita Hestiandari Rustanto Rahardi S. Bismo Sabarudin Sabarudin Saddam Husein Sadiman Sadiman Salim, Maulidyah Salsabila, Hana Sanjaya, David Julius Saraswati, Ayu Shinta Sari, Denni Kartika Sari, Mada Sumringah Sari, Ratih Ayu Puspita Satrio Kuntolaksono Sayidatu Zahrok, Firlia Setiadi Setiadi Setianto, Gigih Setiawan, Sigit Adi Setijo Bismo Setiyowati, Supami Wahyu Setyaningsih, Sri Shafira, Siti Nur Azizah Shofiyyah Taqiyyah sinaga, Bandarudin Welman Sindyana, Amanda Putri sirait, ramsyuren putra Siti Amina siti Nurindah Sari Soebandriyo, Soebandriyo Soelistijanto, R Solihandari , Shinta Sopyan, Iis SRI RAHAYU Sri Rahayuningsih Sri Sayekti Sri Widayati Srihadi Srihadi Sudaryanto Sudaryanto Sugito - Suhono Suhono, Suhono Sujatmiko, Amin Sulaiman, Robi Sulastio, Agus Sulastio, Agus Sulatio, Agus Sulchan, Sulchan Sumardi . Sumarwati Supiat Suprizal, Suprizal sururi, endri Susy Kuspambudi Andaini Sutriswanto, Sutriswanto Suwadji, Suwadji Suwandi, Edy Syafriadinata, Ridho Syafriwan, Dio Syahdilla, Ade Syaiful Hamzah Nasution Syamsiar, Syamsiar Syamsul Arifin Syamsul Rizal Syarifah, Dewi Tamaulina Br Sembiring Teguh Kurniawan Teguh Widodo Titik Susiatik Tri Suminar Trianingsih Eni Lestari Triyantoro, Haris Tugino, Tugino Tuti Mutia Ujang Sumarwan Ulhaq, M Daffa’ Dhiya’ Ulul Azmi Ulum, Mazro’atul Ulung, Ridwan Printis Umarella, Novel Umi Trisnaningsih Ummie Masrurah Urmatul Waznah Verina J.W.D Vicky Andria Kusuma victoria, yeni Viona Wongso Viviyanti Johar, Intan Wahyu Danumulyo Wahyu Danumulyo, Wahyu Wardani, Suci Kesuma Wasino Wasino Widia Yanti Widiyanti, Leonita Widodo W. Purwanto Wijayanti, Ni Putu Putu Nita Winarni, Dyah Setyaningrum Winarno, Andhika Sarfatra Wiranata, Agus Wirasti, Wirasti Wuryanto, Nareswari Hidayah YM. Indarwati Rahayu Yudi Kristyawan, Yudi Yuli Amalia Husnil Yundari, Yundari Yuniar, Ni Ratih Putri Yusran Fachry Reza Yusrilia, Yusrilia Yustiana Putri, Naimatul Jannah Yuwendi Yuwendi Zakiroh, Ainin Zenda Christian Adhiatama Zidni Imanurrohmah Lubis Zubaidah R, Zubaidah Zuhri, Muchammad Syaifudin Zusrotin, Zusrotin