Aishah Abdul Jalil

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• Prof. Dr.
• Professor (Full) at University of Technology Malaysia

Catalytic approaches for CO2 fixation can play an important role, because CO2 can be artificially converted into reusable chemicals. Among the catalytic reactions of CO2, hydrogenation of CO2, the so-called methanation reaction, is a suitable technique for the fixation of CO2. This technique can be used to convert exhausted CO2 into methane (CH4),...

ZnO-incorporated mesostructured silica nanoparticles (MSN) catalysts (ZM) were prepared by the introduction of Zn ions into the framework of MSN via a simple electrochemical system in the presence of various concentrations of NH4OH aqueous solution. The physicochemical properties of the catalysts were studied by XRD, 29Si MAS NMR, nitrogen adsorpti...

Inspired by the high accessibility and low diffusion limitations of Fibrous Silica Nanoparticles (KCC-1), fibrous silica ZSM-5 (FZSM-5) was engineered using a microemulsion system. Spherical FZSM-5 with dendrimeric silica fiber possessed a high surface area (554 m2), wide pore diameter (2-20 nm), abundant strong acid sites and high catalytic activi...

Mesoporous Al-MCM-41 was successfully prepared by hydrothermal method over CTABr template. The catalyst was varied of stirred during the synthesis process, with 4 and 8 h. The results obtained showed that Al-MCM-41 with 4 h stirring had a surface area of 184.8508 m2/g and an 8 h stirring of 655.4759 m2/g. The Al-MCM-41 was used as a catalyst for hy...

Bismuth vanadate (BiVO4) is one of the top-notch materials in photoelectrochemical (PEC) water-splitting studies due to its promising properties. However, its practical application is significantly hindered by inherent limitations that...

Zeolitic Imidazolate Frameworks (ZIFs) have gained significant attention as potential catalysts for the Hydrogen Evolution Reaction (HER), a critical process in sustainable hydrogen production. This review offers an in-depth examination of ZIFs, emphasizing how their structural versatility-through the selection of metal centers and organic linkers-...

In recent years, the conversion of methanol to olefins (MTO) over acidic zeolite catalysts as a non-petroleum alternative for producing light olefins has attracted considerable interest. This paper comprehensively reviews recent advancements in modifying SAPO-34 and ZSM-5 zeolites for MTO reaction and performs a bibliometric analysis to gain insigh...

Microplastics (MP) and nanoplastics (NP) are major aquatic contaminants, raising concerns due to their strong affinity for other toxic substances. Filtration is widely employed for MP and NP removal due to its simplicity, efficiency and variety of available filtration media. In this study, the removal efficiency of MP and NP was investigated using...

Sulphur dioxide, a toxic gas pollutant, is mainly generated by the combustion of fossil fuels and the smelting of sulphur-bearing mineral ores. Removal of SO2 gas or desulphurisation can be accomplished in industries using a variety of processes; the most efficient is wet flue gas desulphurisation (FGD). However, wet FGD has challenges, such as the...

Releasing pharmaceuticals like chloramphenicol (CHL) into water sources will likely pose potential risks to human health and aquatic life. Adsorption is preferably adopted to remove chloramphenicol from water. This study reported the microwave-assisted production of a cobalt-based zeolitic-imidazolate framework (ZIF67) for adsorptive removal of CHL...

Wastewaters consist of organic pollutants that have environmental concerns. Wastewaters are treated by different methods, but efficient, low-cost, and sustainable techniques still need to be developed. Algae-based water pollution remediation techniques are considered to be sustainable approaches. This review exclusively discusses the facets of macr...

Growing concerns regarding the depletion of petroleum reserves and energy demand necessitate the exploration of alternative methods, such as methanol-to-olefin (MTO), to generate light olefins from non-crude oil sources. However, the industrial application of this method is limited due to the rapid deactivation of the catalyst, which is caused by t...

The current work investigated emerging fields for generating and consuming hydrogen and synthetic Fischer-Tropsch (FT) fuels, especially from detrimental greenhouse gases, CO2 and CH4. Technologies for syngas generation ranging from partial oxidation, auto-thermal, dry, photothermal and wet or steam reforming of methane were adequately reviewed alo...

The use of photoelectrochemical (PEC) water splitting to produce hydrogen from solar sources is an alluring potential address to the world’s energy and environmental problems. Cadmium Sulfide (CdS) is a potentially visible light response photoanode of PEC water splitting, but practical use remains a significant barrier due to its low charge carrier...

The process of utilizing the greenhouse gas carbon dioxide (CO 2 ) is crucial in addressing and reducing the impact of climate change. The CO 2 methanation process, also known as the Sabatier reaction, is considered one of the appealing approaches since it provides synthetic natural gas (SNG), fulfilling the present needs. However, the CO 2 methana...

Photovoltaic (PV) aquaculture offers a promising solution for sustainable electricity generation for farm and grid utilization (SEG/FGU). This fusion of solar technology and aquaculture methods is crucial for sustainable food production and eco-friendly power and grid integration. However, there is a significant gap in research, with a lack of comp...

Producing aromatic compounds sustainably from renewable sources is essential to reduce reliance on fossil fuels. This study aims to elucidate the multifunctional behavior of Ir on Pt‐HZSM5, and their influence on the catalytic activity of n‐pentane isomerization, cyclohexane ring opening, and cumene cracking. The results showed that Ir created anot...

The presence of stable and hazardous organic dyes in industrial effluents poses significant risks to both public health and the environment. Activated carbons and biochars are widely used adsorbents for removal of these pollutants, but they often have several disadvantages such as poor recoverability and inseparability from water in the post-adsorp...

To consider silver nanoparticles (AgNPs) as a colorimetric sensor for H2O2 we require investigation of the effects of the homogeneity of the nanoparticle size and morphology on the sensor parameters. Uniformly-sized Ag nanoparticles with diameters of ∼18.8 ± 2.8 nm were produced using microwave irradiation (AgNP1) but non-uniform particles with dia...

Tautomerism alters the structure and properties of materials, which can be exploited to control their chemical and biological activities. The role of pH-induced tautomerism of polyvinylpyrrolidone (PVP) was determined by measuring the size, stability, and antioxidant and antibacterial properties of microwave synthesized-silver nanoparticles (AgNPs)...

The state-of-the-art electrocatalyst design for improving the efficiency and selectivity of NH 3 electrooxidation, contributing to the advancement of sustainable H 2 production technologies.

Hydrogen plays a crucial role in the future energy landscape owing to its high energy density. However, finding an ideal storage material is the key challenge to the success of the hydrogen economy. Various solid‐state hydrogen storage materials, such as metal hydrides, have been developed to realize safe, effective, and compact hydrogen storage. H...

Recently, Centre of Hydrogen Energy (CHE) has developed new structures of fibrous mesoporous silica nanoparticles (FMSN) and fibrous Mobil composition of matter-41 (FMCM-41) called CHE-SM and CHE-S41, respectively. Both are used as a support, along with adding 5 wt% Ni as active metal and examined on carbon dioxide (CO2) methanation. The low angle...

Saponin is a plant-derived chemical with an amphiphilic glycoconjugate structure extracted from sapindaceae plants like Sapindus rarak. This study investigated saponin extract of Sapindus rarak as a natural template for formation of mesoporous zeolite Y. Surface area and mesoporosity of zeolite Y were improved with optimization of Sapindus rarak ex...

The present study highlights the treatment of industrial effluent, which is one of the most life-threatening factors. Herein, for the first time, two types of NiO (green and black) photocatalysts were prepared by facile chemical precipitation and thermal decomposition methods separately. The synthesized NiO materials were demonstrated with various...

Rising energy demand worldwide has led to increased interest in renewable energy, but natural gas remains a significant indigenous energy source due to its wide use, lower carbon impact, and established infrastructure. In the creation of substituted natural gas through CO methanation, a catalyst is essential. However, maintaining the catalyst's sta...

Conversion of red mud (RM) that contains a high level of silica, alumina and iron minerals into heterogenous catalysts, offers a route for the utilization of abundant toxic by-products of bauxite refining. In this study, the conversion of red mud into mesoporous Fe-aluminosilicate produced selective catalysts for the deoxygenation of waste cooking...

Sustainable coke-resistant Ca-Al nano-sized catalyst for cogenerating hydrogen and high-value liquid fuels via pyrolysis catalytic steam reforming reaction of the polystyrene-phenol mixture,