Muhammad Abbas Ahmad Zaini
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View article: Potential of horseshoe crab shell waste as adsorbent for wastewater treatment: mini review
Potential of horseshoe crab shell waste as adsorbent for wastewater treatment: mini review Open
The rising complexity of wastewater due to industrial and municipal activities poses significant environmental challenges, particularly in Malaysia. This mini review explores the potential of horseshoe crab shell waste as an effective and …
View article: Solubility Modeling of Sabah Green Robusta Coffee (Coffea canephora) Bean Oil Extracted Using Supercritical Carbon Dioxide
Solubility Modeling of Sabah Green Robusta Coffee (Coffea canephora) Bean Oil Extracted Using Supercritical Carbon Dioxide Open
This study investigates the solubility correlation of oil extracted from Sabah green Robusta coffee (Coffea canephora) beans through supercritical carbon dioxide (SC-CO2) extraction. Sabah, recognized as the largest coffee-producing region…
View article: Potassium Hydroxide-Activated Palm Kernel Shell Carbon for Methylene Blue Adsorption: Reagent Recovery and Regeneration Strategies
Potassium Hydroxide-Activated Palm Kernel Shell Carbon for Methylene Blue Adsorption: Reagent Recovery and Regeneration Strategies Open
This study investigates the preparation and characterization of activated carbon derived from palm kernel shell, utilizing recovered potassium hydroxide (KOH) as the activating agent. The research seeks to address dye water pollution and t…
View article: Advancing Heavy Metal Removal from Industrial Wastewater Using Oil Palm Waste–Based Adsorbent: toward Efficient Adsorption and Commercialization
Advancing Heavy Metal Removal from Industrial Wastewater Using Oil Palm Waste–Based Adsorbent: toward Efficient Adsorption and Commercialization Open
Purpose of Review The palm oil industry, as the largest producer of edible oil in the world, generates considerable volumes of biomass waste, including oil palm fronds, trunks, empty fruit bunches, mesocarp fibers, palm kernel shells, and …
View article: SODIUM HYDROXIDE-TREATED BETA-CYCLODEXTRIN HYDROCHAR FOR MALACHITE GREEN REMOVAL
SODIUM HYDROXIDE-TREATED BETA-CYCLODEXTRIN HYDROCHAR FOR MALACHITE GREEN REMOVAL Open
In this work, beta cyclodextrin hydrochar was treated using sodium hydroxide for malachite green removal. The adsorbents were characterized for surface functionalities, thermal decomposition and morphology. The functionalized hydrochar exh…
View article: Measuring New Learners' Adaptability and Psychological Health: Using School Wellbeing's Intervening Role at Islamic Boarding Schools
Measuring New Learners' Adaptability and Psychological Health: Using School Wellbeing's Intervening Role at Islamic Boarding Schools Open
The study aims to test the adaptability to psychological well-being through the role of the intervening variable, school well-being at Miftahul Ulum Islamic Boarding School, Lumajang Regency. The study's limitations include its emphasis on…
View article: Transforming cotton textile waste into high performance hydrochars for efficient water pollutants removal
Transforming cotton textile waste into high performance hydrochars for efficient water pollutants removal Open
This study was aimed at evaluating the performance of adsorbents derived from cotton textile waste (CTW) for the removal methylene blue (MB) and ciprofloxacin (CFX). For this purpose, hydrochar material was synthesized through low-temperat…
View article: Activation Strategies of Crayfish-Adsorbents for Methylene Blue Removal
Activation Strategies of Crayfish-Adsorbents for Methylene Blue Removal Open
Abundance of crayfish residues from seafood industries is discharged to the environment without considering the implications of solid wastes to the ecosystem. Crayfish wastes can be valorized into adsorbent for dye removal. Dyes in wastewa…
View article: Monosodium phosphate and sodium chloride activated-waste newspaper carbons for dyes removal
Monosodium phosphate and sodium chloride activated-waste newspaper carbons for dyes removal Open
This study investigates the potential of waste newspaper as a source of activated carbon for the removal of dyes, specifically methylene blue (MB) and congo red (CR), from water. Chemical activation using monosodium phosphate (NaH 2 PO 4 )…
View article: Advancements in biosorbent green technologies for cadmium removal: A bibliometric analysis and review (2019–2024)
Advancements in biosorbent green technologies for cadmium removal: A bibliometric analysis and review (2019–2024) Open
This paper provides an in‐depth exploration of recent developments in biosorbent technologies for the removal of cadmium from aqueous solutions. Through a comprehensive bibliometric analysis, we identify key trends and advancements across …
View article: Removal of Tetracycline Antibiotic Using Green Synergistic Extractive Extraction from Aqueous Solution
Removal of Tetracycline Antibiotic Using Green Synergistic Extractive Extraction from Aqueous Solution Open
Tetracycline antibiotic (TCA) is a broad-spectrum antibiotic that is extensively utilized in agriculture and human therapy. However, its extensive use poses significant environmental risks. Extractive extraction stands out as one of the ef…
View article: Optimization and Characterization of Acetic Acid-Hydrolyzed Cassava Starch Nanoparticles for Enhanced Oil Recovery Applications
Optimization and Characterization of Acetic Acid-Hydrolyzed Cassava Starch Nanoparticles for Enhanced Oil Recovery Applications Open
This study presents an optimized and sustainable route for synthesizing cassava starch nanoparticles (CSNPs) tailored for enhanced oil recovery (EOR) applications. Conventional inorganic acid hydrolysis methods often produce low nanopartic…
View article: Surrogate-based optimization of dual-reflux pressure swing adsorption for biogas upgrading
Surrogate-based optimization of dual-reflux pressure swing adsorption for biogas upgrading Open
This study presents the optimization of a 2-bed, 6-step dual-reflux pressure swing adsorption (DR-PSA) system for biogas upgrading using artificial neural network (ANN) surrogate-assisted multi-objective approach. The ANN models were train…
View article: Prediction Pressure Drop-In KKTD Residential Colleges Pipeline using CFD
Prediction Pressure Drop-In KKTD Residential Colleges Pipeline using CFD Open
Pressure drop in the pipeline can be caused by friction and obstruction in the pipe resulting in the loss in pressure. This predicament problem caused a shortage of water supply in the building, especially at the KKTDI residential college,…
View article: Advances in chromium removal using biomass‐derived activated carbon: A comprehensive review and bibliometric analysis
Advances in chromium removal using biomass‐derived activated carbon: A comprehensive review and bibliometric analysis Open
This review presents a comprehensive analysis and bibliometric evaluation of chromium (Cr) removal from aqueous solutions using biomass‐derived activated carbon. A bibliometric analysis of 250 publications from 2000 to 2024 reveals increas…
View article: Oxidized Mangosteen Peel-Derived Hydrochar for the Removal of Methylene Blue
Oxidized Mangosteen Peel-Derived Hydrochar for the Removal of Methylene Blue Open
This work aimed to evaluate the performance of hydrochar and oxidized hydrochars for the removal of methylene blue. Hydrochar was prepared from mangosteen peel, while ammonium persulfate ((NH4)2S2O8), sulfuric acid (H2SO4) and nitric acid …
View article: Application of Supercritical Carbon Dioxide Extraction of Bioactive Compounds From Cat's Whiskers Leaves
Application of Supercritical Carbon Dioxide Extraction of Bioactive Compounds From Cat's Whiskers Leaves Open
Cat's whiskers, scientifically known as Orthosiphon stamineus , is a widely used herbal remedy in Malaysia for various health issues. This herb is rich in bioactive compounds, particularly phenolics and flavonoids, which are responsible fo…
View article: Simultaneous production during biogas upgrading: Foundational insights from numerical simulation of dual-reflux pressure swing adsorption
Simultaneous production during biogas upgrading: Foundational insights from numerical simulation of dual-reflux pressure swing adsorption Open
Biogas upgrading is a key step in improving the properties of biogas, particularly its methane concentration and, consequently, its energy content, by separating carbon dioxide. This process holds significant environmental and economic rel…
View article: Comparative Analysis of Supercritical Carbon Dioxide and Subcritical Water Extraction for Sabah Coffea Canephora
Comparative Analysis of Supercritical Carbon Dioxide and Subcritical Water Extraction for Sabah Coffea Canephora Open
This work provides a thorough comparative analysis of the green extraction process, viz. supercritical carbon dioxide and subcritical water extraction methods for Sabah Coffea canephora. Rigorous experiments were conducted using supercriti…
View article: Sustainable innovations in garlic extraction: A comprehensive review and bibliometric analysis of green extraction methods
Sustainable innovations in garlic extraction: A comprehensive review and bibliometric analysis of green extraction methods Open
This review provides a comprehensive analysis of the advancements, challenges, and future directions in green extraction processes for garlic, focusing on the period from 1994 to 2024. Over the past three decades, there has been a signific…
View article: Integrating Tradition and Modernity: Infrastructure Transformation at Al-Ustmani Islamic Boarding School in East Java
Integrating Tradition and Modernity: Infrastructure Transformation at Al-Ustmani Islamic Boarding School in East Java Open
This study explores the evolution of infrastructure and facilities at Al-Ustmani Islamic Boarding School in Bondowoso, East Java, focusing on how the institution balances traditional Salafiyah values with modern educational demands. Resear…
View article: Crayfish shell biochar for methyl violet adsorption: Equilibrium and kinetic studies
Crayfish shell biochar for methyl violet adsorption: Equilibrium and kinetic studies Open
This work was aimed to establish the equilibrium and kinetics of methyl violet removal onto crayfish shell biochars. The biochars were prepared through pyrolysis at 500, 650 and 800 ℃ for 1.5 h. The biochars were labelled as CS500, CS650 a…
View article: Formaldehyde Resin as a Solid Fuel and Activated Carbon
Formaldehyde Resin as a Solid Fuel and Activated Carbon Open
This work was aimed to assess the potential of formaldehyde resin residue as a solid fuel and activated carbon. The resin materials were characterized in terms of calorific value, elemental composition, thermal stability, specific surface …
View article: Converting palm fatty acid distillate into solid adsorbents through zinc chloride activation
Converting palm fatty acid distillate into solid adsorbents through zinc chloride activation Open
Water pollution is a critical environmental concern, and this study explores the potential of utilizing adsorbents from palm fatty acid distillate (PFAD) for the removal of methylene blue (MB) and congo red (CR) dyes from aqueous solution.…
View article: The Impact of Teachers' Perceptions and Readiness on Their Performance in the Implementation of the Independent Learning Curriculum
The Impact of Teachers' Perceptions and Readiness on Their Performance in the Implementation of the Independent Learning Curriculum Open
This research aims to analyze the influence of teacher perceptions and readiness on teacher performance in the Independent Learning Curriculum in one of the madrasah in East Java. This research uses quantitative methods with an explanatory…
View article: Transformative Curriculum Development Strategy (Case Study At MTsN 1 Malang City)
Transformative Curriculum Development Strategy (Case Study At MTsN 1 Malang City) Open
The purpose of this research is to identify transformative curriculum development strategies at MTsN 1 Malang City. The research method employed is a qualitative research approach. Data collection procedures used in this study include: par…
View article: Leadership of Madrasah Heads in Improving the Quality of Educational Institutions (Case Study at MAN 2 Malang City)
Leadership of Madrasah Heads in Improving the Quality of Educational Institutions (Case Study at MAN 2 Malang City) Open
Determine and analyze the leadership of madrasa heads in improving the quality of educational institutions in MAN 2 Malang City. The research method used is a qualitative research method with a phenomenological research type. Data collecti…