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ASEAN Journal for Science and Engineering in Materials
Published by Yayasan Bumi Publikasi Nusantara
ISSN : 2828920X     EISSN : 28289951     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
The ASEAN Journal for Science and Engineering in Materials (AJSEM) promotes research in the broad field of Science and Engineering in Materials with particular respect to Indonesia, but not limited to authorship or topical coverage within the region. Contributions are expected from senior researchers, project managers, research administrators and PhD students at advanced stages of their research, representing both public organizations and private industry. Equally, the journal if intended for scholars and students, reseachers working at research organizations and government agencies, and also for enterprises undertaking applied R&D to lead innovations. The editorial contents and elements that comprise the journal include: Theoretical articles Empirical studies Practice-oriented papers Case studies Review of papers, books, and resources. As far as the criteria for evaluating and accepting submissions is concerned, a rigorous review process will be used. Submitted papers will, prior to the formal review, be screened so as to ensure their suitability and adequacy to the journal. In addition, an initial quality control will be performed, so as to ensure matters such as language, style of references and others, comply with the journal´s style. The editorial board welcomes innovative manuscripts from Science and Technology field. The scopes of this journal are Material Science and Engineering Materials relating to Agriculture Materials relating to Architecture and Civil Engineering Materials relating to Astronomy and Space Engineering Materials relating to Biology, Biological and Bio System Engineering Materials relating to Chemistry and Chemical Engineering Materials relating to Computer Science and Engineering Materials relating to Earth Science and Engineering Materials relating to Electric, Electronic, and Electrical Engineering Materials relating to Environment Science and Engineering Materials relating to Food Science and Engineering Materials relating in the Organization of Laboratories Material Science and Engineering relating to Education
Arjuna Subject : Ilmu Material (semua kategori) - Ilmu Material (Lain-Lain)
Articles 10 Documents
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Search results for , issue "Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022" : 10 Documents clear
Conversion of Indonesian Coal Fly Ash into Zeolites for Ammonium Adsorption Prihastuti, Hesti; Kurniawan, Teguh
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

The synthesis of zeolite from fly ash has been investigated. The method used for the synthesis of zeolite in this research is the smelting method followed by a hydrothermal process. The zeolite synthesis was characterized using XRD and SEM. Based on the research results, it was found that fly ash can be synthesized into Na-P zeolite with morphology like coral, and cancrinite zeolite and sodalite with morphology like seaweed. The optimum condition for zeolite synthesis occurred at a hydrothermal process at 160°C for 24 hours with the formation of cancrinite zeolite. The synthesized zeolite resulting from the separation of 4 M of HCl formed Na-P zeolite and silica phase crystals which had the most optimum absorption of ammonium with an adsorption capacity of 18.025 mg/g with the adsorption kinetics model in the form of pseudo-second-order with a constant rate of 0.557 h-1 .
Physicochemical Properties of Human Hair using Fourier Transform Infra-Red (FTIR) and Scanning Electron Microscope (SEM) Obinna, Ezenwali Moses
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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This research work is to investigate the physicochemical properties of human hair. Data was obtained by analyzing human hair using Fourier Transform Infra-Red and Scanning Electron Microscope. Several results were obtained, including data on the chemical properties of human hair.
Aluminum Wastes Effect on Solar Distillation Bellila, Abdelkader; Khechekhouche, Abderrahmane; Kermerchou, Imad; Sadoun, Ali; Siqueira, Antonio Marcos de Oliveira; Smakdji, Nafila
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

Aluminum wastes are widespread in the El Oued region of south-eastern Algeria, particularly in Aluminium workshops and factories. Because aluminum has a high heat conductivity, it can be used to increase the performance of solar stills. Two comparable solar stills were tested for this; one was used as reference solar still SSR, while the other contained Aluminium waste and was used as a modified solar still SSM. When compared to the reference still SSR, the results demonstrate that there is a 33.72 % improvement.
Phytochemical Assessment of The Extracts of Stem (Bark) and Leaves of Theobroma Cocoa Materials: Experimental Procedure and Its Comparison to Literature Abulude, Francis Olawale; Ogunkoya, Mary Omofolarin; Adenibuyan, Grace Bamise; Arifalo, Kikelomo Mabinuola; Akinusotu, Akinyinka; Samuel, Ademola; Adamu, A.; Kenni, Amoke Monisola; Bello, Lateef Johnson
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

Plants had already long been utilized as medicines to treat illnesses. Theobroma cocoa is a plant with antifungal, antibacterial, antioxidant, antiemetic, larvicidal, hepatoprotective, anti-diarrheal, anti-inflammatory, antimalarial, anthelmintic, antiarthritic, wound healing, and anticarcinogenic potential. The purpose of this study was to look into the phytochemical compositions of crude extracts of Theobroma cocoa leaves and stem (bark) materials. Carbohydrates, saponins, and phlobatannins were found in higher concentrations in both the stem (bark) and the leaves, whereas tannins, glycosides, resins, and alkaloids were found in lower concentrations in both samples. Depending on the solvent used for extraction, different phytochemical compositions are obtained in each part of the tree. However, for the majority of the phytochemicals, water extraction yielded higher concentrations.
Physicochemical Properties of Soil Ecosystem Polluted With Spent Engine Oil Ebulue, Maximus M.; Ebulue, C. S.
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Assessment of the possible impact of spent engine oil on the soil ecosystem is imperative for the determination of environmental acceptability. This study investigated this impact ex-situ using standard laboratory tools to determine the following parameters: pH, temperature, moisture content, and total petroleum hydrocarbon (TPH).   The experiment demonstrated that at 1.0 – 3.5% contamination over time across days-zero to -28, spent engine oil upset the physicochemical equilibrium of the soil. A significantly reduced (p<0.05) pH in the range of 7.1 ± 0.00 to 6.2 ± 0.00 meant that the soil was acidic with a significant (p<0.05) increase in temperature from 33 ± 0.00 to 35.5 ± 0.03oC at increased concentrations overtime. The moisture content increased significantly (p<0.05) from 3.5 ± 0.00 to 19.31 ± 0.01% following the significant increase (p<0.05) in total petroleum hydrocarbon (TPH) from 0.002 ± 0.00 to 0.084 ± 0.00. This presupposed a hydrocarbon polluted soil ecosystem with oxygen deprivation; a demonstration of disturbed ecological equilibrium.
Sustainable Urban Development Strategies for Slum Upgrading and Environmental Improvement using Material Science Technology Kishan, A. Bala; Ali, Mohd Akhter; Kamraju, M.
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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This research paper explores sustainable urban development strategies aimed at upgrading slums and improving the environmental conditions within these settlements. Slums, characterized by substandard housing, inadequate access to basic services, and environmental degradation, pose significant challenges to urban areas worldwide. This study examines various approaches and interventions that promote sustainable development, focusing on slum upgrading and environmental improvement. By analyzing successful case studies, policy frameworks, and best practices, this research aims to identify effective strategies for creating inclusive, resilient, and environmentally sustainable urban communities.
Preliminary Physico-Chemical and Phytochemical Study of Seeds of Balanites Aegyptiaca Moutaly, Mohamed; N’diaye, Abdoulaye Demba
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

The Balanites aegyptiaca is an important tree found in some African countries. This study aimed to assess the seeds of the Balanites aegyptiaca physicochemically and phytochemically. pH, Moisture, ash, protein, and lipid contents of Balanites aegyptiaca seeds are 5.8, 2.10%, 5.6%, 17.5%, and 10.7%, respectively. The mineral elements analysis showed that the Balanites aegyptiaca is rich in calcium (247.4 mg/100 g), potassium (140 mg/100 g), sodium (30 mg/100 g), magnesium (24.6 mg/100 g), iron (8.50 mg/100 g) and zinc (5.50 mg/100 g). The result suggests that the seeds of Balanites aegyptiaca fruits could contribute greatly towards meeting the human nutritional requirement for normal growth. The presence of several phytochemical compounds showed high therapeutic potential of Balanites aegyptiaca and it can take for medicinal purposes after determining the seeds pharmacologically.
Models for Elasto-electricity and Photovoltaic Material in the Micropower Plant Strömberg, Lena J. T.
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

In the present paper, the electrodynamic and photovoltaic devices were analyzed. The methods used were modeling of accumulated loads, differential geometry for Solitonials, and generalized Piezo-electricity. Models for dynamic capacitors in the WFB are derived. The analysis is based on observations and experimental results. The experiment was done by providing AC-power background and attaching an NPN-Sun-Catcher. Then, the designed equipment was evaluated in terms of the one-way elasto-electricity and photovoltaic process. The realizations of this designed equipment are suitable for educational purposes. And, this equipment with small encapsulated components operating in higher-power applications can be implemented as realistic solutions for solar-related uses.
Teaching concept of bio-battery material: Use of Sweet Potato Peels and Lime Juice Solution Maulida, Rahma; Daffa, Muhammad Naufal; Nadhira, Shafwa Faza; Hotimah, Alin Parliana; Anggraeni, Sri; Nandiyanto, Asep Bayu Dani; Sudarjat, Hadi
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

Wasted sweet potato peel waste is a classic problem in Indonesia, therefore the use of sweet potato peel as biomass for bio-battery production can be used as a solution to this problem. This study aimed to determine the benefits of sweet potato peels and orange solution as biomass for bio-battery production. The main novelties in this study are (1) Used sweet potato peels as bio-battery Material that have never been used in previous studies. (2) Used sweet potato peel as fixed variable and lime juice as independent variable, and (3) Tested the sweet potato peel and lime juice pasta into the clock. This method is done by smoothing the skin of the sweet potato with the addition of 40 mL of lime solution to form a paste. The lime solution used in this study was 0; 5; 10; 15%. Then measure the voltage of the bio-battery and test the wall clock with the bio-battery. The experimental results showed that the sweet potato peel paste with a lime solution produced the same voltage as an ordinary battery at a concentration of 10% with a value of 1.47 V. The bio-battery with the highest concentration variation is not necessarily the best, that's because the pH value affects the current and voltage. The conclusion of this research is that sweet potato peel and lime solution can be used as electrolytes in bio-battery production with optimal variation of 5 and 10%. This study demonstrates the utilization of sweet potato peel waste as an alternative biomass for bio-battery production.
Bibliometric Analysis of Briquette Research Trends During the Covid-19 Pandemic Al Husaeni, Dwi Novia
ASEAN Journal for Science and Engineering in Materials Vol 1, No 2 (2022): AJSEM: Volume 1, Issue 2, September 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

This study aims to analyze the scope of research on briquettes using bibliometric analysis and data mapping processes. The research data used is obtained from published journals. The search was conducted using the publish or perish application with the keyword "briquette'. The search process is based on topic areas with titles, keywords, and abstracts in the study material. The mapping process is carried out using VOSviewer. A total of 973 relevant articles were found. The results showed that research on briquettes has decreased over the past three years, namely 2020, 2021, and 2022. The decline was caused by the Covid-19 pandemic. Through VOSviewer we analyze the number of articles that have been published about the material and its relationship with the topic area. This review can certainly provide a reference point for further research related to the material.

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