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All Journal Jurnal Cahaya Mandalika JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Journal of Health, Education, Economics, Science, and Technology (J-HEST)
Salim, Ilham
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Humanities Economics, Econometrics & Finance Education Health Professions Languange, Linguistic, Communication & Media Library & Information Science Other

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Literature Review: The Effect of Temperature on Hydrocracking of Pandanus Julianetti Oil Into Gasoline Fraction Using Ni/Modified Natural Zeolite Catalyst Salim, Ilham; Supeno, Supeno
Journal of Health, Education, Economics, Science, and Technology (J-HEST) Vol. 6 No. 2 (2024): Journal of Health, Education, Economics, Science, and Technology
Publisher : Journal of Health, Education, Economics, Science, and Technology (J-HEST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1198.774 KB) | DOI: 10.36339/

Abstract

This literature review investigates the effect of temperature on the hydrocracking of Pandanus Julianetti oil into gasoline fractions utilizing nickel (Ni) and modified natural zeolite catalysts. Hydrocracking is a vital process for converting biomass into valuable fuels, and temperature plays a crucial role in optimizing yield and efficiency. The review synthesizes findings from various studies, emphasizing advancements in catalyst development and the impact of operational conditions on product distribution. Results indicate that higher temperatures generally enhance conversion rates and gasoline yield, although optimal conditions vary based on catalyst composition and feedstock characteristics.
Pengaruh Kadar Air Terhadap Tingkat Keasaman Tanah Kampung Burmeso Secara Elektrometri Sineri, Carli N. M.; Krimadi, Lodwyk N.; Salim, Ilham; Mandik, Yohanis I.; Rusmanta, Yohanes B. J.
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 6 No. 6 (2025)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol6iss6pp1533-1540

Abstract

A study has been conducted on the analysis of the effect of moisture content on the acidity level (pH H2O and pH KCl) of the soil of Burmeso Village using the electrometry method. Samples were taken from a depth of 0-10 cm with a sample soil ring. Next, the soil samples were dried at 105°C for 3 hours, sifted using a 200 mesh sieve. The analysis was carried out on the physical properties (moisture content) and its correlation with the chemical properties (Soil Acidity). The results of this study showed that the soil moisture content of three soil samples was 9.03 (TL), 9.065 (TH), and 9.56 (TB) and was classified as high enough moisture content so that it had a direct effect on the pH of farmland, forest soil and ex-field soil was classified as sour (low) to slightly sour (moderate), the high and low pH greatly affected the nutrient content in the soil so that it produced. The results of soil acidity analysis also indicate that the actual acidity pH value (H2O pH) is greater when compared to the potential pH (pH KCl) so that the ΔpH value tends to be negative including -0.705 (TL), -0.84 (TH), and -1.035 (TB), this negative value shows that the soil of Burmeso Village is a negative net load soil occupied by exchangeable bases (KTK).
Identifikasi Kandungan Mineral pada Lempung Asal Merauke dan Pemanfaatannya Sebagai Adsorben Minyak Kelapa Salim, Ilham; Supeno, Supeno; Jukwati, Jukwati; Ansarulla, Erni
Jurnal Cahaya Mandalika ISSN 2721-4796 (online) Vol. 5 No. 2 (2024)
Publisher : Institut Penelitian Dan Pengambangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jcm.v5i1.3842

Abstract

Telah dilakukan penelitian tentang identifikasi lempung asal Merauke dan pemanfaatannya sebagai adsorben minyak kelapa . Lempung dipreparasi secara kimia dengan penambahan asam (HF, dan H2SO4). Selanjutnya dilakukan penentuan jenis mineral lempung dengan menggunakan XRD. Lempung yang telah diaktivasi secara kimia digunakan untuk absorbsi minyak kelapa untuk penghilangan ketengikan dengan variasi lama penyimpanan.. Perbandingan minyak kelapa dan lempung adalah 1 : 5 ( dalam gram ). Penentuan kadar air dan bilangan peroksida dengan cara gravimetri. Hasil penelitian menunjukkan Kab. Merauke mengandung lempung. untuk daerah Distrik, Sota 3 urutan terbanyak terbanyak yaitu mineral Quartz, Albite dan Saponite. Lempung di Disrik Sota Merauke didominasi oleh jenis Quartz disusul Albite. Kadar air maupun bilangan peroksida meningkat setelah penyimpan beberapa saat. Mendekati 1 bulan penyimpan minyak kelapa yang tidak dilewatkan lempung atau diadsorbsi dengan lempung telah rusak atau tengik. Minyak kelapa yang dilewatkan / diabsorbsi lempung dengan aktivasi secara kimia sampai dengan penyimpan 5 bulan belum tengik atau belum mengalami kerusakan, hal ini ditunjukkan dengan mengamati nilai bilangan peroksidanya yang sangat kurang dari 3 mg oksigen /100 gram minyak.
Co-Authors Ansarulla, Erni Jukwati, Jukwati Lodwyk Nomenzen Krimadi Rusmanta, Yohanes B. J. Sineri, Carli N. M. Supeno Yohanis Mandik