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Journal : Reaktor

The Effect of Air Injection for Formation of Radicals in Liquid Glow Discharge Plasma Electrolysis with K2SO4 Solution Harianingsih, Harianingsih; Rengga, Woro Dyah Pita; Kusumaningrum, Maharani; Imani, Nadya Alfa Cahaya; Saksono, Nelson; Zakaria, Zainal
Reaktor Volume 23 No.2 August 2023
Publisher : Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/reaktor.23.2.37-43

Abstract

Glow discharge is part of the phenomenon of plasma formation on the electrode side in contact with the electrolyte solution and begins with an electrolysis reaction with direct electric current. In this research, 0.02 M K2SO4 electrolyte was used, the anode in the form of tungsten and stainless steel for the cathode in a direct current plasma electrolysis reactor. The phenomenon of plasma formation is explained using a strong current and voltage characteristic curve. There are three plasma formation zones: the ohmic zone, the transition zone and the glow discharge plasma zone. Air injection affects the formation of glow discharge plasma and radicals. Without the injection of air, radicals formed only •OH, •H and •O with emission intensities of 20012 a.u, 10121 a.u and 10245 a.u. Air injection 0.8 L men-1 produced radicals •OH, •N, •N2*, •N2+, •H and •O with emission intensities of 30863a.u, 20139 a.u, 28540 a.u, 18023 a.u, 12547 a.u and 49800 a.u. Many radicals are generated when the plasma reaches stability. The plasma is dominated by H2O ionization, and the plasma is more stable if formed in the gas phase. Other results from this research at 0 L men-1, 0.2 L men-1, 0.4 L men-1 and 0.8 L men-1 stable plasma were formed at 675 V, 660 V, 650 V and 650 V. The plasma that can be seen from the bright light, the injection of air accelerates the formation of a gas envelope to reduce energy.
Co-Authors A Abdullah Agusthio, Laode Hamdi Aisy Qothrun Nada Akbar, Faizal Reza Amirruddin Ardhiansyah, Hanif Arlinto Asri, Sarwi Astri, Mutiara Sandina Athiya Rihadatul Audyaz-Zahra, Chealsy Zafarina Ayu Berlyana Sucipto Bagus Yuliono Bahlawan, Zuhriyan Ash Shiddieqy Bayu Triwibowo Bayu Wiratama, Bayu Budiyono Budiyono Bunyamin Bunyamin Delta Apriyani Dewanti, Astiara Anis Dewi Artanti Putri Dewi Selvia Fardhyanti Dewi, Dira Fitria Dian Arofisma Dian Istiwa Putri Diana, Savira Rahma Dinda Adelia Fauzi Diyanti, Eka Dwi Handayani Dyah Nabila Yulianto Erliana, Savira Rinda Estu Tri Yulia Faizal Ghozali Abas Fandika, Putri Maharani Adinda Farikha Maharani Fashiha Hastawan, Ahmad Fatima Amalia Putri Fauzan Amrulloh Fennyta Maulidiyah Salsabillah Fidiano, Daffa Bimo Handayani, Sri Hanif Ardhiansyah Hanif Ardiansyah Haniif Prasetiawan Hannah Arya Sriwijaya Harianingsih, Harianingsih Harianingsih, Harianingsih Hendra Dewinta Setiyani Henry Ananta Hibatullah, Ridwan Dani Ichwan, Rizky Imani, Nadya Alfa Cahaya Imanullah, Kautsar Taqi Indah Hartati Indra Sakti Pangestu Indriawati, Aisya Eka Irene Nindita Pradnya Irsyada, Muhamad Zakky Isna Pratiwi Isnina Noor Ubay Khasbullah, Rizal Anas Laeli Kurniasari M. Ihsanuddin Maksiola, Masni Marcellina Pangestuti Maulida Zakia Meidwiarta Cahya Pribadi Muhamad Zakky Irsyada Nada, Athiya Rihadatul ‘Aisy Qothrun Nadya Alfa Cahaya Imani Nadya Alfa Cahaya Imani Nanggala, Pragusti Lintang Adhi Nelson Saksono Nur Azis Salim Pangestu, Indra Sakti Permanadewi, Indrasukma Pradnya, Irene Nindita Pramitha, Deva Aurelya Pratama, Muhammad Herdi Pribadi, Meidwiarta Cahya Prima Astuti Handayani Radenrara Dewi Artanti Putri, Radenrara Dewi Artanti Ria Wulansarie Ria Wulansarie, Ria Rizki Ria Ramadhani Rizkiyana, Luthfi Sadan, Serlia Fitri Salsabila, Luvena Sarwi Asri Sawiji, Kurnia Ayu Sembiring, Rinawati Setiyorini, Nurul Shidqi, Ashar Sinta Sulis Setyani Situmorang, Monatalia Lamtama Sofia Daniati Sri Handayani Sulistyawan, Vera Noviana Suwandi, Luluk Arvi Cahyaning Suwardiyono Suwardiyono Syahputra, Adhika Bintang Tobias Samuel Salim Ubay, Isnina Noor Vera Noviana Sulistyawan Vera Noviana Sulistyawan Very Mareta Rahmawati Sulistyawan Wara Dyah Pita Rengga Wati, Afifah Sagita Fitria Wenny Adridtna Kencana Weda Widi Astuti Yarman, Indah Novi Yoga Agung Prabowo Zakaria, Zainal Zuhriyan Ash Siddieqy Bahlawa