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All Journal Reaktor TEKNIK Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan METANA Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Jurnal Teknologi Jurnal Dinamika Penelitian Industri JST ( Jurnal Sains Terapan ) Journal of Research and Technology Jukung (Jurnal Teknik Lingkungan) Jurnal Perikanan Universitas Gadjah Mada CHEESA: Chemical Engineering Research Articles Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) JTT (Jurnal Teknologi Terapan) Jurnal Riset Teknologi Industri Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Jurnal Riset Teknologi Pencegahan Pencemaran Industri Waspada : Jurnal Wawasan Pengembangan Pendidikan JURNAL REKAYASA KIMIA & LINGKUNGAN
Adhi Setiawan
Politeknik Perkapalan Negeri Surabaya
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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Penyisihan Fosfat dan Amonium pada Air Limbah Menggunakan Presipitasi Struvite dengan Penambahan Bittern Adhi Setiawan; Falenia Firdatul Jannah; Tarikh Azis Ramadani; Tanti Utami Dewi
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 1 (2022): JPPL, Maret 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i1.1461

Abstract

The fertilizer industry generally produces wastewater with relatively high ammonium and phosphate content, so processing is necessary so as not to cause eutrophication effects that harm the environment. Struvite precipitation with bittern media was an alternative method to remove struvite content in wastewater. This study aimed to analyze the effect of pH and molar ratio of Mg2+, NH4+, and PO43- on the struvite precipitation process in reducing the ammonium and phosphate content in the artificial wastewater of the fertilizer industry and to characterize the struvite obtained from the precipitation process. The precipitation process was conducted in batches with various pH and molar ratios Mg2+, NH4+, and PO43-. The variation of pH used is 8−10. The molar ratios used are 1.5, 1.0, 1.0 and 3.0, 1.0 , 1.0. Struvite characterization was conducted using SEM-EDX and XRD methods. The results showed that pH and molar ratio had an effect on the efficiency of removal ammonium and phosphate using struvite precipitation. The best pH value and molar ratio that can be used to remove content of ammonium and phosphate is at pH 9 with a molar ratio of Mg2+, NH4+, PO43- are 3.0 , 1.0, and 1.0 which results in the removal efficiency of 86.50% and 99.96% respectively. The morphology of struvite obtained from precipitation is irregular rod-shaped with an average size of 28.53 μm. XRD results have detected peaks indicating the struvite phase.
Sintesis dan Karakterisasi Biodiesel Dari Limbah Scum Susu Menggunakan Katalis Heterogen Cao Dari Cangkang Telur Adhi Setiawan; Rizki Noviana Damayanti; Novi Eka Mayangsari; Muhamad Ari
Jurnal Dinamika Penelitian Industri Vol 33, No 1 (2022): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28959/jdpi.v33i1.7288

Abstract

Limbah scum susu dapat dimanfaatkan sebagai bahan baku dalam produksi biodiesel karena mengandung trigliserida. Penelitian ini bertujuan untuk sintesis dan karakterisasi biodiesel dari limbah scum menggunakan katalis CaO dari cangkang telur, menganalisis pengaruh konsentrasi katalis serta rasio molar metanol dengan limbah scum terhadap karakteristik biodiesel. Pembuatan katalis CaO dilakukan dengan kalsinasi cangkang telur pada suhu 900oC selama 4 jam. Karakterisasi katalis CaO menggunakan SEM-EDX, XRD, FTIR, dan BET. Biodiesel diproduksi dengan proses transesterifikasi menggunakan katalis CaO pada suhu 63°C selama 1,5 jam. Produksi biodiesel menggunakan variasi perbandingan rasio molar metanol dengan limbah (6:1 dan 9:1) dan variasi konsentrasi katalis CaO (1,5% dan 2% ) pada suhu 63°C selama 1,5 jam. Hasil karakterisasi katalis menunjukkan bahwa morfologi cangkang telur setelah proses kalsinasi mengalami aglomerasi. Luas permukaan spesifik katalis yang dihasilkan sebesar 127 m2/g dengan ukuran pori sebesar 1,78 nm. Produk biodiesel tertinggi dihasilkan pada sampel dengan perbandingan konsentrasi metanol dengan limbah scum 9:1 dan katalis CaO sebanyak 2% dengan yield sebesar 83,15%. Yield biodiesel meningkat seiring dengan meningkatnya peningkatan rasio molar metanol dengan limbah dan konsentrasi katalis CaO. Karakteristik biodiesel yang dihasilkan dari variasi rasio molar metanol terhadap limbah serta variasi konsentrasi katalis telah memenuhi standar pada parameter massa jenis, titik nyala, dan angka asam.
SINTESIS DAN KARAKTERISASI KOMPOSIT TiO2/ZEOLIT SEBAGAI FOTOKATALIS PADA DEGRADASI AMONIA DI DALAM AIR LIMBAH Adhi Setiawan; Chelvin Sugiarto; Novi Eka Mayangsari; Muhamad Ari; Indri Santiasih
Jurnal Teknologi Vol 15, No 1 (2023): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.15.1.87-96

Abstract

Ammonia is a wastewater pollutant that can cause oxygen depletion and eutrophication if not treated properly. The Photocatalyst using zeolite-TiO2 was effective method for degrading ammonia compounds in wastewater. This study aimed to analyze the characteristics of the zeolite-TiO2 composite and determine the effect of using the composite in reducing ammonia levels in wastewater. The research were conducted experimentally with a batch process on variations in pH and irradiation time. Data on the decrease in ammonia concentration with time was used to analyze the kinetics of the ammonia degradation reaction. The process of synthesizing zeolite from fly ash using the hydrothermal method. The synthesis of zeolite-TiO2 composites was carried out with a composition ratio of 1:2. Characterization of TiO2/zeolite composites was carried out using SEM-EDX and XRD methods. The results showed that fly ash-TiO2 zeolite composite has a granular morphology, and has an average diameter of 0.257 μm. X-ray diffraction pattern detected peaks in the form of zeolite X and TiO2. The highest ammonia removal efficiency was obtained at pH 11 with an irradiation time of 120 minutes, which was 91.60%. The process of removing ammonia by UV irradiation followed a second-order kinetic model with a k value of 0.1215 (mol.min)-1. The removal of ammonia in dark conditions followed a zero-order kinetic model with a k value of 0.0031 mol.min-1..
Efektifitas Penyisihan Fosfat Pada Air Limbah Menggunakan Metode Kombinasi Elektrokoagulasi dan Fotokatalis Dengan Kaolin-TiO2 Adhi Setiawan; Lintang Indra Liuqil Mahfudz; Tarikh Azis Ramadani; Siti Muthi’ah; Muhammad Asrul Nizam; Denny Dermawan
METANA Vol 18, No 2 (2022): Desember 2022
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/metana.v18i2.49639

Abstract

Kandungan fosfat pada badan air salah satunya bersumber dari air limbah domestik dan industri. Fosfat yang berlebihan dapat menyebabkan eutrofikasi. Alternatif pengolahan fosfat pada air limbah salah satunya menggunakan kombinasi metode elektrokoagulasi dan fotokatalis. Penelitian ini bertujuan untuk mengetahui pengaruh waktu kontak dan besar tegangan pada metode elektrokoagulasi, pengaruh dosis katalis dan waktu penyinaran pada metode fotokatalis, dan karakteristik katalis komposit kaolin-TiO2. Penyisihan fosfat dilakukan secara batch menggunakan elektrokoagulasi yang dilanjutkan dengan proses fotokatalis. Metode elektrokoagulasi menggunakan elektroda aluminium dengan variasi tegangan 10, 20, dan 30 V, serta waktu kontak 90 dan 120 menit. Metode fotokatalis menggunakan komposit kaolin-TiO2 dan sumber foton lampu UV-C, dengan variasi dosis kaolin-TiO2 yaitu 120, 180, dan 240 mg/L, serta waktu penyinaran 10, 20 dan 30 menit. Komposit kaolin-TiO2 dikarakterisasi menggunakan XRD, FTIR, dan SEM-EDX. Hasil penelitian menunjukkan efisiensi penyisihan fosfat pada elektrokoagulasi maksimal diperoleh pada kondisi tegangan 30 V dan waktu kontak 120 menit dengan nilai sebesar 87,31%. Nilai maksimum penyisihan parameter fosfat fotokatalis terjadi pada dosis katalis 240 mg/L dengan waktu reaksi 30 menit dengan nilai sebesar 63,33%.  One of the phosphate contents in water bodies is sourced from household and industrial wastewater. Excessive phosphates can cause eutrophication. One alternative of phosphate treatment in wastewater is the combination of electrocoagulation and photocatalytic methods. This study aims to determine the influence of contact time and voltage magnitude on the electrocoagulation method, the effect of catalyst dosing and irradiation time on the photocatalyst method, and the characteristics of kaolin-TiO2 composite catalysts. The electrocoagulation method uses aluminum electrodes with voltage variations of 10, 20, and 30 V, as well as contact times variations of 90 and 120 minutes. The photocatalyst method uses kaolin-TiO2 composite and UV-C lamp photon sources, with dose of kaolin-TiO2 variations of 120, 180, and 240 mg/L, as well as irradiation times variations of 10, 20 and 30 minutes. The kaolin-TiO2 composite is characterized by XRD, FTIR, and SEM-EDX. The results showed that the maximum efficiency of phosphate removal in electrocoagulation was obtained at a voltage of 30 V and a contact time of 120 minutes with a value of 87.31%. The maximum value of photocatalyst phosphate removal occurred at a catalyst dose of 240 mg/L with a reaction time of 30 minutes with a value of 63.33%. 
ANALISIS REMOVAL SCALING SILIKA PADA JALUR RE-INJEKSI BRINE PEMBANGKIT LISTRIK ENERGI PANAS BUMI DENGAN MENGGUNAKAN ASAM FLUORIDA Adhi Setiawan; Deris Eko Saputro; Agung Nugroho
Journal of Research and Technology Vol. 3 No. 1 (2017): JRT Volume 3 No 1 Jun 2017
Publisher : 2477 - 6165

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

Abstract

Silica scale formation on the brine re-injection lines of geothermal power plants can lead to serious problems because it increased pressure drop and failure of the safety devices. One of the most effective methods to solve the problem is acidification of silica scaling using hydroflouric acid (HF). HF has a unique characteristic that is highly reactive with SiO2, easily obtained in the market and cheap. The use of HF can increase the rate of material corrosion in re-injection lines material. The use of HF should be adjusted to the appropriate concentration so it can dissolve silica scale optimally without shortening its life service. The concentration of HF used in the experiment were 5, 10, and 15% wt. The results showed that the optimum concentration of HF in dissolving silica at 15%. This is due to its ability to dissolve the crust mostly greatest than most other concentration that is equal to 21% of the total dissolved silica. The rate of corrosion on the material re-injection line with a concentration of 15% is equal to 0.647 mm/y and provide about 4.63 years life time of pipe.
KOROSI BAJA KARBON API 5L GRADE B SEBAGAI FLOWLINE PRODUKSI GAS ALAM Adhi Setiawan; Alfinura Fajrin; M. Miftahul Munir; M. Ari
Journal of Research and Technology Vol. 4 No. 1 (2018): JRT Volume 4 No 1 Jun 2018
Publisher : 2477 - 6165

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

Abstract

Corrosion that occurs in a gas flowline is a serious problem because it can cause leaks that lead to material loss and environmental pollution. The aims of this research were to analyze the corrosion occurred in gas flowline of carbon steel 5l Grade B and the effect of inhibitor TIC-8002 GCI to the corrosion rate of metal. This research was conducted using SEM-EDX to analyze and produce various types of metals and corrosion crust. Metals corrosion test and the effect of inhibitors on the corrosion rate of metals were carried out by linear polarization methods. The result of SEM-EDX showed that inner pipe surface occurred pitting corrosion caused by dissolved chloride ions in the electrolite that flows in the pipeline. The result of XRD showed that corrosion products of carbon steel were Fe2O3 and FeOOH. The result of linear polarization showed that the corrosion rate of steel about 0.642 mmy without using inhibitor. The addition of an inhibitor can reduce the corrosion rate in carbon steel. The increase in inhibitor concentration from 10 ppm to 50 ppm can reduce the corrosion rate from 0.633 mmy to 0.394 mmy along with an increase in inhibition efficiency from 1.32% to 38.6%.
PENYULUHAN METODE MUDAH DAN PRAKTIS KARAKTERISASI FLY ASH SEBAGAI BAHAN SUBSTITUSI SEMEN Wiwik Dwi Pratiwi; Mochamad Yusuf Santoso; Endang Pudji Purwanti; Adhi Setiawan
RESWARA: Jurnal Pengabdian Kepada Masyarakat Vol 5, No 1 (2024)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v5i1.3681

Abstract

Fly ash yang merupakan residu pembakaran batu bara memiliki potensi untuk digunakan sebagai supplementary cementitious material (SCM), yaitu material yang fungsinya mengganti sebagian semen. Jika divaluasi, harga fly ash berkisar antara Rp 130.000 sampai Rp 140.000 per ton. Namun, fly ash perlu dikarakterisasi terlebih dahulu untuk memastikan potensi tersebut. Permasalahan yang melatarbelakangi pengabdian kepada masyarakat ini adalah banyaknya fly ash yang dihasilkan oleh mitra dan belum dimanfaatkan dengan baik. Selain itu, untuk karakterisasi fly ash diperlukan pengujian di laboraturium tertentu. Sehingga, pada kegiatan ini dilakukan penyuluhan metode mudah dan praktis karakterisasi fly ash sebagai bahan substitusi semen. Berdasarkan identifikasi permasalahan mitra, didapatkan informasi bahwa limbah fly ash yang dihasilkan sebanyak 6-ton per hari dan langsung diangkut oleh pengolah sampah. Melihat potensi tersebut, kegiatan dilanjutkan dengan menguji sampel fly ash dari mitra. Hasil pengujian menunjukkan bahwa karakterisktik water requirement dari sampel melebihi batas maksimum dari persyaratan dari ASTM C618-19, sehingga masih perlu peningkatan kualitas dari fly ash jika akan digunakan sebagai bahan pembuatan beton. Hal ini dikarenakan semakin tinggi water requirement nya, maka kekuatan beton akan semakin rendah. Hasil ini kemudian dijadikan sebagai bahan paparan dalam kegiatan penyuluhan bebentuk grup diskusi dengan mitra. Selain hasil pengujiaan sampel, rekomendasi terkait perbaikan karakteristik fly ash juga dipaparkan ketika penyuluhan. Rekomendasi yang diberikan berupa beberapa alternatif teknik untuk optimalisasi pembakaran batu bara dan mendapat respon positif dengan tindak lanjut berupa koordinasi internal dalam rangka perencanaan strategi pemanfaatan fly ash
PENYULUHAN METODE MUDAH DAN PRAKTIS KARAKTERISASI FLY ASH SEBAGAI BAHAN SUBSTITUSI SEMEN Wiwik Dwi Pratiwi; Mochamad Yusuf Santoso; Endang Pudji Purwanti; Adhi Setiawan
RESWARA: Jurnal Pengabdian Kepada Masyarakat Vol 5, No 1 (2024)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v5i1.3681

Abstract

Fly ash yang merupakan residu pembakaran batu bara memiliki potensi untuk digunakan sebagai supplementary cementitious material (SCM), yaitu material yang fungsinya mengganti sebagian semen. Jika divaluasi, harga fly ash berkisar antara Rp 130.000 sampai Rp 140.000 per ton. Namun, fly ash perlu dikarakterisasi terlebih dahulu untuk memastikan potensi tersebut. Permasalahan yang melatarbelakangi pengabdian kepada masyarakat ini adalah banyaknya fly ash yang dihasilkan oleh mitra dan belum dimanfaatkan dengan baik. Selain itu, untuk karakterisasi fly ash diperlukan pengujian di laboraturium tertentu. Sehingga, pada kegiatan ini dilakukan penyuluhan metode mudah dan praktis karakterisasi fly ash sebagai bahan substitusi semen. Berdasarkan identifikasi permasalahan mitra, didapatkan informasi bahwa limbah fly ash yang dihasilkan sebanyak 6-ton per hari dan langsung diangkut oleh pengolah sampah. Melihat potensi tersebut, kegiatan dilanjutkan dengan menguji sampel fly ash dari mitra. Hasil pengujian menunjukkan bahwa karakterisktik water requirement dari sampel melebihi batas maksimum dari persyaratan dari ASTM C618-19, sehingga masih perlu peningkatan kualitas dari fly ash jika akan digunakan sebagai bahan pembuatan beton. Hal ini dikarenakan semakin tinggi water requirement nya, maka kekuatan beton akan semakin rendah. Hasil ini kemudian dijadikan sebagai bahan paparan dalam kegiatan penyuluhan bebentuk grup diskusi dengan mitra. Selain hasil pengujiaan sampel, rekomendasi terkait perbaikan karakteristik fly ash juga dipaparkan ketika penyuluhan. Rekomendasi yang diberikan berupa beberapa alternatif teknik untuk optimalisasi pembakaran batu bara dan mendapat respon positif dengan tindak lanjut berupa koordinasi internal dalam rangka perencanaan strategi pemanfaatan fly ash
ANALISIS POTENSI DAN DAMPAK KEBOCORAN GAS HIDROGEN PADA HYDROGEN PLANT DI INDUSTRI PELUMAS Setiawan, Adhi; Hanifah, Dian Nur; Nugroho, Agung; Dermawan, Denny
Journal of Research and Technology Vol. 3 No. 2 (2017): JRT Volume 3 No 2 Des 2017
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (401.948 KB) | DOI: 10.55732/jrt.v3i2.237

Abstract

The increasing need of industrial pure hydrogen is growing. One of its roles is petroleum industry purification. High purity hydrogen (99.99%) was obtained from methane using Steam Methane Reforming Method in hydrogen plant unit. Hydrogen is a very dangerous chemical element with its flammable characteristic. This research was conducted especially on purification system. Quantitative analysis was used to determine hydrogen leakage frequency, consequence modeling, and risk estimation that would be risen. The analysis results showed that the highest frequency occured in unignited release events. Jet fire scenario produced the longest fire length in HPU for about 27 meters. Jet fire scenario impact produced the farthest secure distance in case of a leakage in HPU section of 60 meters. Flash fire produced the farthest distance loss in a leakage case in HPU of 80 meters, and explosion at 200 meters radius would will have a blast overpressure 7.62 psig with 22% fatality estimation of the population. Keywords: Hydrogen Purification Unit, Hydrogen, Consequence Modeling, Risk.
PENGARUH TREATMENT ALKALI TERHADAP KARAKTERISTIK FIBER SABUT KELAPA SAWIT DAN PELEPAH PISANG SEBAGAI BAHAN KOMPOSIT POLIMER Setiawan, Adhi; Vivin Setiani; Fitri Hardiyanti; Devina Puspitasari
Journal of Research and Technology Vol. 5 No. 2 (2019): JRT Volume 5 No 2 Des 2019
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v5i2.321

Abstract

The use of synthetic fibers in the fabrication of polymer composite materials has a negative impact on the environment. Natural fibers such as palm oil waste and banana pseudostem can be an alternative material for synthetic fibers because they are more economical, high specific strength, and environmentally friendly. The alkali treatment needs to be carried out on fibers for removal of lignin, hemicellulose, and impurity so that they can improve interfacial bonding between the fiber and the polymer matrix. The alkali treatment was carried out through fiber immersion in conditions without NaOH, 5% wt NaOH solution, and 10% wt for 24 hours. Fiber before and after alkalization were analyzed using Scanning Electron Microscope (SEM), X-Ray Difraction (XRD), Fourier Transform Infrared (FTIR), and Thermogravimetric Analysis (TGA) methods. The results showed that alkali treatment was effective in removing the components of lignin, hemicellulose, and impurities in fiber. The result of the SEM showed that the treated fiber surface had a cleaner surface than treatment without fiber. The alkalitreatment process can improve the crystallinity and crystallinity index of the fiber due to amorphous component removal of lignin and hemicellulose. The TGA result of palm oil fiber with alkali treatment and without alkali treatment produced weight loss of 88,2% and 98,4% respectively. This showed that the alkali treatment can increase the thermal resistance of the palm oil fiber.
Co-Authors Achmad Fatoni Agung Nugroho Agung Nugroho Agung Nugroho Agung Nugroho Agung Nugroho Ahmad Erlan Afiuddin Aisyah Nur Rahmadania Alfinura Fajrin Amilia Kristina Dewi Ananda Augista Firtsanti Anggara Trisna Nugraha Anggraini, Febby Dwi Melanny Ari, M. Arianingtyas, Nadya Ayu Arita Rochma Nilasari Azzahro, Annisa Basyiruddin, Fariz Bawafi, Muhammad Iqbal Ali Cahyono, Luqman Catur Rini Widyastuti, Catur Rini Chelvin Sugiarto Citra Eripramita Yunus Denny Dermawan Denny Dermawan Deris Eko Saputro Devina Puspitasari Devina Puspitasari Dewi, Tanti Utami Utami Dhani, Mey Rohma Dian Nur Hanifah Dika R. Widiana Dwi Rasy Mujiyanti Dzulfikar, Muhammad Hanif Endang Pudji Purwanti Fajrin, Alfinura Falenia Firdatul Jannah Fariha, Chandra Nur Firnandi, Rahmad Fitri Hardiyanti Gunawan, Karina Larasati Hanastasia, Rizka Lutfita Hanifah, Dian Nur Hanifah, Dian Nur Hanoni Hanun, Jihan Nabillah Inayatul Wulandari Indri Santiasih Lintang Indra Liuqil Mahfudz Luqman Cahyono M. Ari M. Miftahul Munir Maulidya, Risya Dwi Mirna Apriani Mochamad Yusuf Santoso Mochammad Choirul Rizal Muhamad Ari Muhamad Ari Muhammad Asrul Nizam Muhammad Luqman Ashari Mukhlis Mukhlis Munir, M. Miftahul Nilasari, Arita Rochma Nora Amelia Novitrie Novi Eka Mayangsari Novitrie, Nora Amelia Nugroho, Agung Nurhidayati, Dyah Isna Pawitra, Tiane Prianto, Haekal Irfan Titan Prima Astuti Handayani Priyambodo N. A. Nugroho Puguh Pribadhi Puspitasari, Devina Putri, Desita Ramadona Syah Qurrotul Aini Rahmawati, Devi Ayu Rizki Medy Prasetyo Rizki Noviana Damayanti Saputro, Deris Eko Satriavi, Aulia Diva Setiani, Vivin Siti Muthi’ah Tanti Utami Dewi Tarikh Azis Ramadani Tri Bagus Setiawan Utomo, Agung Prasetyo Vira Fadilah Qurani Vivin Setiani Vivin Setiani Widiyastuti Widiyastuti Widiyastuti Widiyastuti Winardi, Sugeng Wiwik Dwi Pratiwi