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All Journal Eksergi: Chemical Engineering Journal Majalah Ilmiah MOMENTUM Equilibrium Journal of Chemical Engineering
Adrian Nur
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Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Journal : Equilibrium Journal of Chemical Engineering

 1 
Phase Control of TiO2 Prepared by TiCl4 Hydrolysis and Electrochemical Method Adrian Nur; Arif Jumari; Fauziatul Fajaroh; Nazriati Nazriati
Equilibrium Journal of Chemical Engineering Vol 1, No 2 (2017): Volume 1 No 2 July 2017
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v1i2.40423

Abstract

The phase structure of  TiO2   dependent on  applications. It  is  importat to develop an effective method to control the phase structure of TiO2. In this study, the TiO2 was synthesized by TiCl4 hydrolysis method. The control of hydrolysis was done by electrochemical method  in  a  cell  consisting  of  two  plate  carbon  as  electrodes.  The electrodes distance was set to 2.6 to 4 cm and immersed in solution at dimensions of (5 ×2) cm. The electrodes were connected to the positive and negative terminals of a DC power supply for 1 to 2.5 hours. The voltage was varied from 5 to 15 V at constant stirring and room temperature. The resulted suspension was aged for 48 hours. The solution wasfiltered. The powder dried directly in an oven at 150°C for 2 hours, washed 2 times, and dried again 60 °C for 6 hours. In this work, the voltage, electrode distance, and TiCl4 initial concentration can control the phase structure of TiO2.
Synthesis of TiO2 by Hydrolysis/Electrochemical to Reduce Hazardous Disinfecting Materials Adrian Nur; Arif Jumari; Nazriati Nazriati; Fauziatul Fajaroh
Equilibrium Journal of Chemical Engineering Vol 1, No 1 (2017): Volume 1 No 1 January 2017
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v1i1.40365

Abstract

The TiO2 photo-catalysis can be used for the purpose of disinfectant purpose. In  this  work,  the  TiO2   prepared  by  hydrolysis-electrochemical method  was  used  to produce  disinfectant  to  replace  and  reduse  conventional  material  disinfectant.  The synthesis of TiO2  was occured at constant voltage of 10 V for 2.5 hours under constant stirring  and  room  temperature.  The  product  of  synthesis  was  analysed  by  scanning electron microscopy, energy dispersive X-ray spectrometry, and X-ray diffractometer. The performance of desinfectant was done with inactivation of bacteria E coli in solid media. The phase of TiO2 particle producted shows anatase and rutile phase. The TiO2 resulted from hydrolysis/electrohemical method can be used to reduce HCl for desinfectant. The results of testing disinfectant for inactivation of bacteria E coli in solid media show that disinfectant  from  HCl/TiO2   is  the  most  efective  to  inactivation  of  bateria  E.  coli. Treatment with ultraviolet rays resulted less number of bacteria than sunlight.
Synthesis of ZnO/CuO Composite by The Electrochemical Method in The Acetat Acid Solution Adrian Nur; Jundi Rofi’uddien; Muhammad Abdul Basir; Nazriati Nazriati; Fauziatul Fajaroh
Equilibrium Journal of Chemical Engineering Vol 2, No 2 (2018): Volume 2 No 2 July 2018
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v2i2.40436

Abstract

The metal oxide composite is used to the microelectronic circuit, piezoelectric, fuel cell, sensor, catalyst, coating for preventing corrosion, and solar cell. The ZnO/CuO is one of the metal oxide composites. The combination of ZnO and CuO is the potential composite used to the catalyst and the anti-bacterial agent. The method used in this research was the electrochemical method in the acetate acid solution. The acetate acid solution used in this research is cheaper than the succinite acid used in the previous research. The electrochemical method has advantages due the easy to control and cheap. The composite resulted was analyzed by the XRD and the FTIR. The aims of this analysis are to know the crystallite phase, structure, and the functional groups of the particle resulted. The analysis showed that the ZnO-CuO composite can be resulted by the electrochemical method.
Peningkatan Kompetensi Siswa SMK Muhammadiyah 4 Surakarta mengenai Industri Baterai Lithium Ion Tika Paramitha; Endah Retno Dyartanti; Arif Jumari; Agus Purwanto; Adrian Nur; Anatta Wahyu Budiman
Equilibrium Journal of Chemical Engineering Vol 6, No 2 (2022): Volume 6, No 2 December 2022
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v6i2.66334

Abstract

ABSTRAK. Sekolah Menengah Kejuruan (SMK) Muhammadiyah 4 Surakarta memiliki jurusan Kimia Industri yang mempersiapkan tenaga terampil di industri kimia untuk mendukung dalam pengembangan teknologi. Salah satu Industri Kimia yang berkembang saat ini adalah Industri Baterai Lithium Ion (LIB). LIB saat ini digunakan tidak hanya pada perangkat elektronik portabel, seperti komputer dan telepon seluler, tetapi juga untuk kendaraan listrik atau kendaraan hybrid. Oleh karena itu, lulusan SMK dengan Program Keahlian Kimia Industri hendaknya menyiapkan lulusan yang mempunyai kompetensi di bidang teknologi baterai. Dengan kompetensi dosen dalam teknologi produksi material aktif baterai pada skala mini plant dan fasilitas yang mewadai di Pusat Unggulan IPTEK (PUI) PT Teknologi Penyimpanan Energi Listrik, maka sangat memungkinkan dosen untuk mengenalkannya kepada siswa SMK Muhammadiyah 4 Surakarta. Metode yang dilakukan dalam pelatihan ini adalah metode ceramah, diskusi dan praktik. Adapun materi yang disampaikan mengenai baterai lithium ion (aplikasi, jenis, tipe, struktur, proses pembuatan material aktif, dan fabrikasi). Kegiatan praktik yang dilakukan yaitu praktik pembuatan material aktif katoda dengan metode ko-presipitasi dan fabrikasi sel baterai. Hasil kegiatan ini adalah kompetensi siswa dan guru meningkat yang ditunjukkan dengan nilai Pre-Test yang lebih baik dibandingkan dengan Post-Test.Kata kunci: Baterai Lithium Ion, SMK, KatodaABSTRACT. Muhammadiyah 4 Surakarta Vocational High School has a Department of Industrial Chemistry which prepares skilled workers in the chemical industry to support the development of technology. One of the chemical industries that is currently developing is the Lithium Ion Battery (LIB) industry. LIBs are currently used not only in portable electronic devices, such as computers and cell phones but also for electric vehicles or hybrid vehicles. Therefore, Vocational High School with an industrial chemistry expertise program should prepare students who graduate to have competence in the field of battery technology. With the competence of lecturers in the production technology of battery active materials on a mini plant scale and adequate facilities at the Center of Excellence for Electrical Energy Storage Technology, it is very possible for lecturers to introduce technology and battery production facilities to students of Muhammadiyah 4 Surakarta Vocational High School. The methods used in this training are lecture, discussion and practice methods. The material presented was about LIB (application, type, type, structure, active material manufacturing process, and fabrication). The practical activities carried out are the practice of making cathode active materials with the co-precipitation method and battery cell fabrication. The result of this activity is that the competence of students and teachers increases as indicated by a better Pre-Test score compared to the Post-Test score.Keywords: Lithium Ion, SMK, Cathode
Co-Authors Agus Purwanto Anatta Wahyu Budiman Arif Jumari Danu Nugroho Endah Ari Endah Retno Dyartanti Endang Kwartiningsih Fauziatul Fajaroh Jundi Rofi’uddien Muhammad Abdul Basir Nazriati Nazriati dkk. Nurcahyanti, Desy Paryanto Slamet Sapto Tika Paramitha Umi Sarwanti