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Aslan Ndita
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Pelindian Nikel dari Bijih Nikel Laterit dengan Metode Microwave Sebagai Aplikasi Katoda Baterai Muhammad, Al Jalali; Yumnawati; Aslan Ndita
ZETROEM Vol 7 No 1 (2025): ZETROEM
Publisher : Prodi Teknik Elektro Universitas PGRI Banyuwangi

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Abstract

Abstrak - Kebutuhan akan nikel yang terus meningkat mengalikan perhatian peneliti untuk mempelajari ekstraksi nikel dari bijih nikel laterit. Teknologi pelindian mengguakan pelart H2SO4 menjanjikan proses ekstraksi nikel tanpa adanya emisi CO2. Aplikasi teknlogi microwave, menambah keunggulan metode leaching dari segi pengurangan konsumsi energi. Daya microwave divariasikan untuk mempelajari pengaruh daya pada hasil ekstraksi. Temperature pemanasan mengalami peningkatan seiring dengan peningkatan daya microwave. Untuk menunjang kelengkapan informasi, maka residu sampel dianalisis menggunakan alat mikroskop elektron yang diintegrasikan dengan energi dispersiv sinar-x. Selanjutnya analisis filtrat menggunakan alat spektrofotometer serapan atom (AAS). Hasil analisis EDX sampel residu memperlihatkan puncak intensitas nikel mengalami penurunan dibandingkan sampel sebelum pelindian. Nickel yang berhasil diekstraksi meningkat seiring dengan bertambahnya daya microwave. Berdasarkan hasil AAS, 41 mg/L nikel berhasil diekstraksi pada aplikasi daya microwave 800 W selama 6 menit.
Sintesis CaTiO3 Berbasis Limbah Cangkang Telur Bebek Untuk Aplikasi Sel Surya Muhammad, Al Jalali; Wa Ode Sitti Ilmawati; Aslan Ndita
ZETROEM Vol 7 No 2 (2025): ZETROEM
Publisher : Prodi Teknik Elektro Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/ztr.v7i2.6261

Abstract

Duck’s eggshell is one type of organic waste that has not been used optimally. Duck eggshell contain CaCO3 as a CaO source, so they are potentially processed as CaTiO3. The purpose of this study was to investigate the effect of sintering temperature on morphology, phase, functional groups, and optical properties of CaTiO3. The sintering temperatures were used in this research from 800oC, 900oC and 1000oC for 4 hours. SEM analysis show that there was the different of morphology properties to each samples. Homogeneity of CaTiO3 particles can be seen from spherical distribution of CaTiO3 particles, especially at 800oC. In this research was found orthorombic crystal structure of CaTiO3 to each sintering temperatures.According to the XRD patterns, it can be seen that there was a simillar patterns to each samples. Each peaks of CaTiO3 that formed on 2 (23,329o; 29,960o; 33,152o; 40,990o; 47,568o; and 49,211o) have the growth orientations respectively are (400), (510), (440), (444), (800), and (820). Particle size at sintering temperature of 800oC, 900oC and 1000oC respectively are 43,60438 nm, 33,43218 nm, and 29,35699 nm).
Co-Authors Al Jalali Muhammad Wa Ode Sitti Ilmawati Yumnawati