SINTESIS PADUAN Co-Cr MENGGUNAKAN METODE ULTRASONIK

Silalahi, Marzuki; Rahayu, Dena Nadya; Sugeng, Bambang; Aziz, Ferhat; Sukaryo, Sulistioso Giat

doi:10.17146/jsmi.2018.19.3.4500

Cited by 2 publications

(2 citation statements)

References 7 publications

(10 reference statements)

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“…The sol-gel approach involves a two-step procedure. The first stage involves the hydrolysis of metal alkoxide, followed by the condensation phase (Mahreni, 2010). The effectiveness of this technology in generating uniform nano-sized particles and regulating mass distribution has been demonstrated (Sucahya et al, 2016).…”

Section: The Synthesis Of Zno-zeolite Nanocompositesmentioning

confidence: 99%

Synthesis and Characterization of Zinc Oxide-Zeolite Photocatalyst Nanocomposite for Heavy Metals Degradation

Agustina,

Ramadhini,

Melwita

et al. 2024

J. Ecol. Eng.

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Heavy metals are the major contributors to pollution due to their enduring presence and poisonous characteristics. Wastewater that contains heavy metals is classified as harmful and has the potential to contaminate the environment. Large-scale disposal of heavy metal discharged into the environment causes significant environmental harm. Commonly seen heavy metals in water deposits include non-biodegradable metals such as cadmium (Cd), copper (Cu), lead (Pb) and iron (Fe). To mitigate the adverse effects of environmental contamination, it is necessary to handle wastewater containing heavy metals properly and optimally. Photocatalysis is a technology that involves the breakdown of pollutants with the use of light. This study aims to synthesize and characterize the nanocomposite of ZnO-Zeolite photocatalyst on the degradation of Cd, Cu, Fe, and Pb heavy metals. The ZnO-Zeolite nanocomposites were characterized by using SEM-EDX, XRD, and BET methods. The degradation caused by exposure to ultraviolet (UV) light occurs within the time of between 60 to 120 minutes, with a pH range of 6-8. The removal of heavy metals proceeds within a time frame of one hour and two hours, resulting in an optimal percentage removal of metals that approaches 100%. The composite showed a surface area of 19.436 m 2 /g, a pore size of 17.227 Å, and a total pore volume of 0.112 cm 3 /g. The heavy metals Cu, Fe, and Pb exhibited the highest rates of degradation, reaching their maximum percentages after 60 minutes when exposed to ultraviolet radiation under ideal conditions at varying pH levels (pH 6-8). More precisely, the degradation percentage of Cu metal was 95.4% at pH 7, Fe metal achieved 96.1% at pH 6, while Pb metal obtained 95.5% at pH 8. The Cd metal removal percentage was found to be 98.9% under the conditions of a pH of 8 and an irradiation time of 120 minutes, indicating high effectiveness.

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Section: The Synthesis Of Zno-zeolite Nanocompositesmentioning

confidence: 99%

Synthesis and Characterization of Zinc Oxide-Zeolite Photocatalyst Nanocomposite for Heavy Metals Degradation

Agustina,

Ramadhini,

Melwita

et al. 2024

J. Ecol. Eng.

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“…Simulasi teknik spektroskopi hamburan gamm a diferensial untuk mendeteksi cacat pada tangki aluminium. Dalam Pertemuan dan presentasi ilmiah penelitian dasar ilmu pe ngetahuan dan teknologi nuklir (13)(14)(15)(16)(17).…”

Section: Wassalaamu'alaikum Warahmatullaahi Wabarakaatuhunclassified

Pemanfaatan Pemodelan dan Simulasi Berbasis Komputasi dalam Pengembangan Reaktor Nuklir

Ferhat Aziz

2023

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Sebagai negara berpopulasi besar, Indonesia memerlukan sumber energi yang besar pula. PLTN yang telah banyak dimanfaatkan negara maju mampu menghasilkan listrik secara efisien sehingga dapat diandalkan untuk memenuhi kebutuhan listrik negara ini. Dengan emisi yang jauh lebih sedikit dibanding sumber energi fosil, penggunaan PLTN dapat mendukung upaya pencapaian target net-zero emission (NZE) pada 2060. Oleh karena itu, penguasaan iptek nuklir harus digiatkan, salah satunya, dengan peningkatan kemampuan dalam pemanfaatan pemodelan dan simulasi berbasis komputasi yang dapat melengkapi pengembangan teori ilmiah dan eksperimen di laboratorium secara lebih akurat, aman, dan selamat. Orasi ini menerangkan bahwa pemanfaatan pemodelan dan simulasi berbasis komputasi dapat membantu para pelaku pengembangan iptek reaktor nuklir mendapatkan hasil kegiatannya. Salah satu pemanfaatan tersebut adalah konsep desain reaktor inovatif pembakar limbah nuklir via proses fisi dan transmutasi. Hasil simulasi penulis menunjukkan bahwa satu unit konsep reaktor ini dapat membakar limbah nuklir dengan efisien. Dengan demikian, kemampuan dalam pemodelan dan simulasi berbasis komputasi untuk pengembangan reaktor nuklir diharapkan menjadi modal penting bagi upaya pencapaian target NZE melalui pemanfaatan PLTN. Selanjutnya, pengembangan reaktor nuklir lanjutan pada era Industri 4.0 diperlukan dengan lebih memanfaatkan perkembangan teknologi informasi, seperti AI, khususnya generative AI, dalam rangka memperkuat kesiapan Indonesia menyongsong era PLTN.

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SINTESIS PADUAN Co-Cr MENGGUNAKAN METODE ULTRASONIK

Cited by 2 publications

References 7 publications

Synthesis and Characterization of Zinc Oxide-Zeolite Photocatalyst Nanocomposite for Heavy Metals Degradation

Synthesis and Characterization of Zinc Oxide-Zeolite Photocatalyst Nanocomposite for Heavy Metals Degradation

Pemanfaatan Pemodelan dan Simulasi Berbasis Komputasi dalam Pengembangan Reaktor Nuklir

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