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All Journal Jurnal Ilmiah Teknik Mesin FLUIDA Jurnal Malikussaleh Mengabdi
Sugondo, Ebeng
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Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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ANALISA CYCLIC VOLTAMMETRY GUNA RECOVERY TEMBAGA PADA LIMBAH ELEKTRONIK PRINTED CIRCUIT BOARDS (PCB) MENGGUNAKAN RELINE Sugondo, Ebeng; Wijaya, Andy; Proklamanto, Aan Subekti; Reziana, Fedika Gita; Etnanta, Fatiha Nur
Jurnal Ilmiah Teknik Mesin Vol 11 No 2 (2023): JURNAL ILMIAH TEKNIK MESIN
Publisher : Universitas Islam 45 Bekasi, Fakultas Teknik, Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jitm.v11i2.7074

Abstract

Cyclic voltammetry analysis for copper recovery on printed circuit boards (PCB) electronic waste using Reline (ChCl: Thiourea) has been successfully carried out. The use of Reline solution (ChCl: Thiourea) is included in the deep eutectic solvent (DES) as an alternative for the use of solvents that are cheap, efficient, and safe for the environment. The solvent is formed from a donor (HBD) and acceptor (HBA) bonds with a ratio of 1 mol: 2 mol to water which will produce a eutectic mixture. The results of XRF (X-ray fluorescence spectrometry) on the printed circuit board (PCB) after comminution obtained the highest element, namely copper at 17.91%, and became the object of research observation. All experiments on the cyclic voltammetry test produced irreversible type voltammograms. The addition of more than 50% water in the deep eutectic solvent (DES) affects the peaks of oxidation and reduction, and in theory, the current efficiency is 99.83% and the optimum test results occur at a temperature of 60 oC for testing the Reline type deep eutectic solvent (DES) solution (ChCl: Thiourea) with a potential of Ep = 4.2975 volts and Ep/2 = 4.2971 volts. SEM-EDX analysis results on a platinum plate (Pt) from deep eutectic solvent (DES) ChCl: Thiourea (Reline) capable of spontaneously depositing copper minerals onto the surface of the platinum plate (Pt). Keywords: Reline, Cyclic Voltammetry, Solvent
Dampak Kondisi Sosial Ekonomi dalam Meningkatkan Potensi Nelayan Tangkap Kabupaten Bintan, Kepulauan Riau Nurhuda, Yusuf; Novebriantika, Novebriantika; Sugondo, Ebeng; Silalahi, Meschac Timothee; Wijayanti, Ita; Fajrin, Aulia; Saihilmi, Muhammad Irsyad; Perkasa, Veryawan Nanda
Jurnal Malikussaleh Mengabdi Vol. 4 No. 1 (2025): Jurnal Malikussaleh Mengabdi, April 2025
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v4i1.21806

Abstract

Salah satu potensi alam Indonesia yang sangat besar adalah sumberdaya kelautan dan perikanan. Sumberdaya kelautan merupakan salah satu aset pembangunan yang penting dan memiliki peluang sangat besar untuk dijadikan sebagai sumber pertumbuhan perekonomian. Saat ini sektor kelautan dan perikanan di Kabupaten Bintan memiliki potensi pembangunan ekonomi yang sangat besar dan beragam. Kabupaten Bintan merupakan salah satu kabupaten di Provinsi Kepulauan Riau yang memiliki setidaknya 240 pulau-pulau kecil serta memiliki sumber daya pesisir dan laut yang sangat potensial. Penulisan ini bertujuan untuk menganalisa kondisi kehidupan nelayan tangkap Kabupaten Bintan dari aspek sosial, ekonomi serta mengidentifikasi bentuk-bentuk program pemberdayaan yang diberikan oleh pemerintah beserta hambatan yang terjadi dalam pelaksanaan program. Metode pengumpulan data yang digunakan dalam penelitian ini yaitu dengan menggunakan metode deskriptif dengan pendekatan kualitatif. Sumber data yang diambil merupakan data dari Badan Pusat Statistik Kabupaten Bintan Kepulauan Riau. Program pemberdayaan diharap dapat digunakan sebagai penunjang utama sebagai layanan dalam meningkatkan potensi dalam upaya peningkatan ekonomi dan sosial pada nelayan tangkap. Beberapa program merupakan upaya dalam meningkatkan program layanan pemberdayaan nelayan tangkap di Kabupaten Bintan. Selain itu juga diperlukanya komitmen untuk meningkatkan potensi serta dampak dari kegiatan program pemberdayaan untuk nelayan tangkap dalam upaya meningkatkan perekonomian masyarakat di Kabupaten Bintan Kepulauan Riau.
Utilization of Agricultural Waste from Brebeg Cilacap Village Become Biogas Using Cow Manure Sipayung, Rosmawati; Raharjo, Sonya H.; Sugondo, Ebeng; Aprilia, Anisa
Fluida Vol. 16 No. 1 (2023): FLUIDA
Publisher : Department of Chemical Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/fluida.v16i1.4697

Abstract

Straw is one of the most prevalent agricultural wastes in Indonesia, particularly in Cilacap Regency. One hectare of rice fields can yield 7–10 tons of dried straw every growing season. In addition, cow dung in Brebeg Village has not been utilized optimally. Cow dung and straw can be utilized as an alternative energy, one of which is biogas. Biogas is produced through anaerobic fermentation in a biodigester. Methanogenic bacteria first convert straw and cow manure in the biodigester into gas, which is subsequently produced as a high concentration of methane. This technology can be easily applied especially for farmers and ranchers. These experiments were carried out by varying the ratio of cow dung, straw, distilled water, and the percentage of EM-4 bacteria with fermentation for 30 days in each variation. Based on the result, it is known that factors affecting biogas production are ratio of substrate, temperature, pH, and microorganisms. The best biogas is produced with a cow dung, straw, and distilled water ratio of 8:1:2 and 10% EM-4 bacteria with a flash time of 71-seconds and a blue flame. Although a particular sort of plastic is used in this laboratory-scale investigation to make it more efficient, it is prone to leaking. It is advised to use a fixed dome style of storage while scaling up the digester
Co-Authors Andy Wijaya Anisa Aprilia Etnanta, Fatiha Nur Fajrin, Aulia Novebriantika, Novebriantika Nurhuda, Yusuf Perkasa, Veryawan Nanda Proklamanto, Aan Subekti Raharjo, Sonya H. Reziana, Fedika Gita Rosmawati Sipayung Saihilmi, Muhammad Irsyad Wijayanti, Ita