h-index: 7     i10-index: 5

Chemistry
Electrical Applications of Clay-Reinforced Recycled Plastic Composites

Edet Patience Ime; Ede Joseph Ajor; Francis-Dominic Makong Ekpan; Humphrey Sam Samuel; Odii Peter Egwuatu

Articles in Press, Accepted Manuscript, Available Online from 27 January 2024

https://doi.org/10.48309/ejst.2024.423583.1110

Abstract
  The search for eco-friendly and sustainable materials for electrical applications has stepped up recently, spurred on by the demand for effective, greener solutions. To meet these expectations, a promising class of materials known as clay-reinforced recycled plastic composites has evolved. Increased ...  Read More

Chemistry
Asphaltene Structure, Separation and Purification Steps: A Short Review

Chinedu Innocent Okoye; Obiamaka Doris Oboli

Articles in Press, Accepted Manuscript, Available Online from 31 January 2024

https://doi.org/10.48309/ejst.2024.417300.1093

Abstract
  Separation of asphaltenes into multiple sub-fractions is performed using different fractionation techniques which are investigated in this study. The method chosen depends on the parameter of interest such as solubility, molecular weight difference, polarity, etc. For this write-up, the methods reviewed ...  Read More

Chemistry
Efficacy of Adsorption of Congo Red Dyes from an Aqueous Media using Silicon Nitride (Si3N4) Adsorbent Derived from Sand and Coffee Husk Wastes

Samuel N. Ndung’u; Ruth N. Wanjau; Esther W. Nthiga

Articles in Press, Accepted Manuscript, Available Online from 13 February 2024

https://doi.org/10.48309/ejst.2024.433646.1121

Abstract
  The current study utilizes Silicon Nitride (Si3N4) as a novel adsorbent in evaluating its adsorptive ability for Congo red dyes from an aqueous solution. The adsorbent was prepared using extracted silica from sand and coffee husk biochar in an ammonia environment. The Si3N4 adsorbent was characterized ...  Read More

Chemistry
Evaluation of the Potential Health Effects Resulting from Radon Exposure via Groundwater in Keffi, Nigeria

Blessing Ifeyinwa Tabugbo; Rilwan Usman; Mikaila Abdullahi; Jackso Karniliyus

Volume 4, Issue 2 , April 2024, , Pages 76-87

https://doi.org/10.48309/ejst.2024.423473.1106

Abstract
  In Nasarawa State, groundwater is the most often used source of fresh water for daily consumption, but its quality still remains a serious concern due to rising concentrations of radon resulting from activities of mining. This study evaluated the potential pose resulting from radon exposure via groundwater ...  Read More

Chemistry
Adsorption Monitoring of Triflouroaceticacid, Pentadecyl Ester and Pentadecanoic Acid, 14-Methyl-, Methyl Ester on Fe (110): using DFT and Molecular Simulation

Abdullahi Muhammad Ayuba; Thomas Aondofa Nyijime; Safiyya Abubakar Minjibir; Fater Iorhuna

Volume 4, Issue 2 , April 2024, , Pages 105-116

https://doi.org/10.48309/ejst.2024.423518.1108

Abstract
  Quantum functions were used to assess a theoretical investigation on mild steel's resistance to corrosion. To determine the stable geometry of the investigated compounds, TPE and PME, local density function B3LYP was optimized and simulated using DFT under restricted spin polarization DNP basis. The ...  Read More

Chemistry
Revisiting on Applications of Industrial Filters in Enhancing Polymer Product Quality and Performance

Merit Oluchi Ori; Edet Patience Ime; Francis-dominic Makong Ekpan; Humphrey Sam Samuel; Odii Peter Egwuatu; Ede Joseph Ajor

Volume 4, Issue 2 , April 2024, , Pages 116-132

https://doi.org/10.48309/ejst.2024.423429.1107

Abstract
  Industrial filters are important components in the manufacturing and processing of polymer products. They are used to remove impurities, contaminants, and foreign particles from polymer materials, ensuring high-quality and consistent products. The polymer industry, which is at the centre of contemporary ...  Read More

Chemistry
Unleashing the Potential of Machine Learning in Chalcogen Bonding Research

Humphrey Sam Samuel; Ugo Nweke-Maraizu; Emmanuel Edet Etim Etim

Volume 4, Issue 2 , April 2024, , Pages 133-164

https://doi.org/10.48309/EJST.2024.416374.1091

Abstract
  Chalcogen bonding, a non-covalent interaction involving chalcogen atoms (e.g., sulfur, selenium, and tellurium), plays a crucial role in various chemical and biological processes. Understanding and characterizing chalcogen bonding interactions are essential for designing novel materials, medications, ...  Read More

Chemistry
A Comparative Computational Stimulation Studies on Corrosion Inhibition and Adsorptive Qualities of Coumarin Derivative on Iron, Zinc, Copper and Aluminium

Fater Iorhuna; Muhammad Abdullahi Ayuba; Aondofa Thomas Nyijime; Musa Sani; Hamisu Abdulmumini; John Oluwafemi Oyeyode

Volume 4, Issue 1 , January 2024, , Pages 44-56

https://doi.org/10.48309/ejst.2024.418005.1094

Abstract
  Metals, such as Iron, zinc, zluminium, and copper are vital in various industries and construction. However, these metals are susceptible to corrosion upon exposure to corrosive elements. Metals used at homes and part of our car bodies under goes corrosion at a little contact of the corrosion factors. ...  Read More

Chemistry
‎Investigating the Problems of Sulfur in Hydrocarbon Cuts

Roozbeh Behzadi

Volume 3, Issue 4 , October 2023, , Pages 185-202

https://doi.org/10.48309/ejst.2023.172774

Abstract
  The removal of sulfur compounds in hydrocarbon fuels is important from an environmental point of view, because in the combustion process of fuels in engines, sulfur compounds in the fuel are converted into sulfur oxides (SoX), which will cause the problem of acid rain. In addition, (SoX) resulting from ...  Read More

Chemistry
Chemical Profiling of Minerals and Elemental Composition of Rock and Soil Samples from Bakin Dutse Hills, Madagali, Adamawa State Nigeria

Aliyu Benson; Ayodele Akinterinwa; Charles Milam; Abdulazeez M. Hammed

Volume 3, Issue 4 , October 2023, , Pages 232-245

https://doi.org/10.48309/ejst.2023.416370.1090

Abstract
  Evaluation of natural resources via chemical profiling is a prerequisite to mining and material sourcing, which are important activities in positioning an economy for the future. This study explores the untapped rocks located within the Bakin Dutse hills in Adamawa State, northeastern Nigeria. The minerals ...  Read More

Chemistry
Enhanced Adsorption of Methylene Blue Dye from Water by Alkali-Treated Activated Carbon

Segun Michael Abegunde; Kayode Solomon Idowu

Volume 3, Issue 3 , July 2023, , Pages 109-124

https://doi.org/10.48309/ejst.2023.379937.1078

Abstract
  In this work, activated carbon (AC) was prepared from Raphia taedigera seed and modified with sodium hydroxide (0.1 M) solution. The activated carbon (RTB) and the untreated Raphia taedigera raw (RTR) seed powder were characterised and engaged to remove Methylene blue (MB) dye from aqueous solution. ...  Read More

Chemistry
Oil Reservoirs and Exploitation of Oil Reservoirs

Shakiba Sharifi

Volume 2, Issue 2 , April 2022, , Pages 166-180

https://doi.org/10.22034/EJST.2022.2.5

Abstract
  Well testing entered petroleum engineering in 1937 as a tool to understand the actual behavior of the reservoir in the face of changes in the well. Artificial neural networks with a hidden layer have the ability to solve most nonlinear problems. In this study, an artificial neural network with a hidden ...  Read More

Oil Reservoirs and Exploitation of Oil Reservoirs


Chemistry
Laboratory Study of Effective Factors on How to Extract Carvacrol from Oliveria Decumbens Plant with the Help of Supercritical Fluid CO2 and Using Ultrasound Waves

Nabil Vaeli

Volume 2, Issue 1 , January 2022, , Pages 34-45

https://doi.org/10.22034/EJST.2022.1.3

Abstract
  In this study, Carvacrol or Cymophenol as a combination, as the number of reports of antibiotic-resistant pathogenic microorganisms increases and considering that plant-derived products can potentially treat microbial growth in different conditions and in specific cases of the disease. Very strong anti-cancer ...  Read More

Laboratory Study of Effective Factors on How to Extract Carvacrol from Oliveria Decumbens Plant with the Help of Supercritical Fluid CO2 and Using Ultrasound Waves


Chemistry
Laboratory experiment of the extraction of active pharmaceutical ingredients of Oliveria decumbens plant by supercritical method using the ultrasound process

Nabil Vaeli

Volume 1, Issue 4 , August 2021, , Pages 231-240

https://doi.org/10.48309/EJST.2021.289216.1036

Abstract
  In this research, the Oliveria decumbens native and medicinal plant has been used. The extract of this plant contains anti-inflammatory compounds, very strong antioxidants, Allergic reduction compounds and antiviral and anticancer compounds. Extraction of this plant was investigated using supercritical ...  Read More

Laboratory experiment of the extraction of active pharmaceutical ingredients of Oliveria decumbens plant by supercritical method using the ultrasound process