Shahabaldin Rezania

Sejong University | sejong · Environment and Energy

Biodiesel has privileges than conventional diesel fuel because of its low toxicity, renewability, and eco-friendly properties. Biodiesel is produced from various edible and non-edible sources via transesterification process. Non-edible sources such as waste cooking oil (WCO), algal oil, non-edible vegetable oil, and waste animal oil are commonly us...

Phosphorus (P) is a vital nutrient for the ecosystems and its excess in wastewater streams leads to some environmental issues such as extensive algae growth (eutrophication). Phytoremediation is a green technology that is based on the combined actions of plants and their associated microbial groups to remove and transfer the toxic compounds in surf...

Numerous studies found the presence of persistent organic pollutants (POPs) in various environmental compartments, including air, water, and soil. POPs have been discovered in various industrial and agricultural products with severe environmental and human health consequences. According to the data, South Korea is a hotspot for POP pollution in the...

Pesticides are a large group of pristine organic contaminants, which are widely discharged into environmental water due to agricultural activities. Hence, extraction, determination, and removal of pesticides from water resources are necessary for human health. In this study, novel adsorbent was developed based on three-dimensional magnetic graphene...

Microalgal biomass harvesting and cell disruption are the main bottlenecks for downstream processing of microalgae such as high-value bioproducts extraction and biofuels production. In this study, we evaluated the performance of dual flocculation between cationic surfactants and bio-polymer of chitosan for simultaneous biomass harvesting and biopro...

In this study, an adsorbent made of alginate (Alg) caged magnesium sulfide nanoparticles (MgS) microbeads were used to treat lead ions (Pb²⁺ ions). The MgS nanoparticles were synthesized at low temperatures, and [email protected] hydrogel microbeads were made by the ion exchange process of the composite materials. The newly fabricated [email protec...

Microalgae have been promoted as important feedstocks for producing biofuels and bioproducts. However, their production on a large scale would require a large amount of water and nutrients. Considering the importance of food security and the high economic value of microalgal biomass, food and feed applications should be prioritized if microalgae ar...

This paper evaluated one-pot synthesis of magnetic manganese graphene oxide nanocomposite (MnFe2O4-GO) for Rhodamine-6G (Rh-6G) removal from aqueous solutions. The presented adsorbent was characterized by scanning electron microscopy (SEM), vibrating sample magnetometer (VSM), Fourier transform infrared spectroscopy (FTIR), and X-ray powder diffrac...

In this study, a novel biomass adsorbent based on activated carbon incorporated with sulfur-based binary metal oxides layered nanoparticles (SML-AC), including sulfur (S2), manganese (Mn), and tin (Sn) oxide synthesized via the solvothermal method. The newly synthesized SML-AC was studied using FTIR, FESEM, EDX, and BET to determine its functional...

The potential of microalgal photobioreactors in removing total ammonia nitrogen (TAN), chemical oxygen demand (COD), caffeine (CAF), and N,N-diethyl-m-toluamide (DEET) from synthetic wastewater was studied. Chlorella vulgaris achieved maximum removal of 62.2% TAN, 52.8% COD, 62.7% CAF, and 51.8% DEET. By mixing C. vulgaris with activated sludge, th...

This study investigates the impact of the energy poverty index (EPI) on the ecological footprint (ECF) as an inclusive environmental quality index in South Korea from 1990 to 2019, considering environmental-related technologies (ERT), real GDP per capita (RGDPpc), and financial development (FD) in the environmental function. The principal component...

A circular bioeconomy is concerned with environmental sustainability and waste valorization. Utilization of leftovers and trashes while elevating the value of biomass through the cascade is receiving greater attention in recent years. Biomass is expected to play a significant role in fixing global alternative fuel ambitions. Azolla, a type of macro...

In the synthesis of biodiesel, the revelation of innovative heterogeneous catalyst substances with distinct chemical/physical characteristics has gained considerable interest. The purpose of this study was to evaluate the potential of bimetal layered strontium-titanium trioxide (SrTiO3) doped on graphene oxide-based iron oxide nanoparticles as a no...

Aerobic Granular Sludge (AGS) is a biological wastewater treatment process. This technology offers both low land use and cost efficiency. However, the long start-up time is one of the main problems the AGS is facing; to overcome this challenge, several methods have been proposed. Storing and then reactivating AGS is one of the methods proposed. It...

Bottom sediments deposited in retention tanks (RTs) located on two urban streams (Oliwski and Strzyza) in the central part of Gdansk (Poland) were analysed for polycyclic aromatic hydrocarbons’ (PAHs) content. PAHs were extracted from samples with methylene chloride, then the extracts were subjected to clean-up applying the solid phase extraction (...

The current study presents a viable and straightforward method for synthesizing titanium lanthanum three oxide nanoparticles (TiLa) and their decoration onto the ferrous graphene oxide sheets to produce FeGO-TiLa as efficient magnetic adsorbent. Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), energy-dispersive X...

Using three different fuel sequences –biodiesel–diesel (B20), biodiesel–chemically and biologically synthesized nanoparticles(B20A30C30), and biodiesel–chemically and biologically synthesized nanoparticles (B20A30C30). This study investigates a single-cylinder variable compression ratio diesel engine's combustion, efficiency, and emission character...

Herein, magnetic polyaniline was modified with lanthanum nanoparticles ([email protected]) as adsorbent, aiming to the treatment of high phosphate-containing aquatic solutions. High valent lanthanum doped with polyaniline was a promising adsorbent to uptake phosphate ions with possible electrostatic interaction and cation exchange process. The func...

Palm oil mill waste has a complex cellulosic structure, is rich in nutrients, and provides a habitat for diverse microbial communities. Current research focuses on how the microbiota and organic components interact during the degradation of this type of waste. Some recent studies have described the microbial communities present in different biodegr...

The drop immerses calcium chloride aqueous solution was utilized to prepare the zero valent iron-doped polyethersulfone beads (PES/ZVI) for the efficient removal of arsenic from apatite-soil treated waters. The proposed beads can assist in promoting uptake efficiency by hindering ZVI agglomeration due to a high porosity and different active sites....

In the current study, an integrated physiochemical method was utilized to remove tonalide (TND) and dimethyl phthalate (DMP) (as emerging contaminants, ECs), and nickel (Ni) and lead (Pb) (as heavy metals), from synthetic wastewater. In the first step of the study, pH, current (mA/cm2), and voltage (V) were set to 7.0, 30, and 9, respectively; then...

Metal-organic frameworks (MOFs) are a promising class of porous nanomaterials in the field of environmental remediation. Ni-MOF and Fe-MOF were chosen for their advantages such as structural robustness and ease of synthesis route. The structure of prepared MOFs was characterized using FE-SEM, XRD, FTIR, and N2 adsorption-desorption. The efficiency...

Based on data availability, this study investigates the impact of structural change on energy consumption (EC) in Iran from 1976 to 2017. Therefore, the economic complexity index (ECI) was incorporated into the energy demand besides real GDP (RGDP) and real energy price index (REPI), which is constructed based on Iran's leading energy carriers. Mul...

This study sсrutinizеs thе financial rеsоurсе сursе hypоthеsis in Irаn frоm 1979–2018, inсоrpоrаting rеаl GDP (RGDP), real grоss fixеd саpitаl fоrmаtiоn (RGFCF), аnd humаn саpitаl (HC) into the finance dеmаnd funсtiоn. The natural resource index (NRI) is constructed using principal component analysis through oil, coal, forest, natural gas, and mine...

In today’s globalized world, the necessity of identifying environmental drivers is more vital than ever before. An extensive literature assessment verified the environmental impact of energy use and economic growth. This study contributes to the literature by considering the inclusive environmental indicator (ecological footprint, EF), uncertainty...

This study evaluated the synthesis of novel binary functionaladsorbent based on sporopollenin, magnetic nanoparticles, and polyaniline to produce MSP-PANI. The MSP-PANI was applied to enhance uptake of lead ions (Pb²⁺) from wastewater samples. The functionalities, surface morphology, magnetic properties, and elemental composition of the newly synth...

A laboratory-scale up-flow anaerobic sludge blanket (UASB) reactor was deployed in this study to examine the relationship between pharmaceutical compounds and anaerobic process performance. The reactor successfully biotransformed up to 87–99% of psychostimulant caffeine, anti-diabetic drug gliclazide, and anti-hypertensive drug prazosin during 92 d...

Azithromycin (AZM), an antibacterial considered one of the most consumed drugs, especially during the period against the Covid 19 pandemic, and it is one of the persistent contaminants that can be released into aquatic ecosystems. The purpose of this study is to determine the efficacy of a Fenton-like process (chlorine/iron) for the degradation of...

As a developing country, Malaysia has always faced the problem of rural electrification in its islands. Rural islands cannot be connected to the grid as it is economically not feasible due to the low number of residents. The high greenhouse gas emission of the diesel generator is unfavourable to the residents. This study aims to assess hybrid syste...

The development of novel heterogeneous catalyst materials with unique chemical/physical properties has attracted great attention in biodiesel production. Herein, the binary functional organic–inorganic nanocomposite based on polyaniline decorated with magnetic iron oxide and cobalt oxide nanoparticles were used to synthesis [email protected]3O4 as...

The present study developed and evaluated nano-adsorbents based on zirconium oxide and graphene oxide (ZrO2/GO) as a novel adsorbent for the efficient removal of ammonia from industrial effluents. Fourier transform infrared (FTIR) spectroscopy, Field Emission Scanning Electron Microscope, Energy-dispersive X-ray Spectroscopy, and X-ray diffraction...

The present study reports the successful functionalization/magnetization of bio-polymer to produce chitosan-magnetic graphene oxide grafted polyaniline doped with cobalt oxide (ChMGOP-Co3O4). Analytical techniques furrier transform infra-red (FT-IR), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS) were used to con...

The main objective of the present study was to produce biodiesel from waste cooking oil (WCO) in the presence of Candida Antarctica Lipase B (CALB), which was immobilized on a magnetic hybrid sol-gel nanocomposite. For this purpose, the Fe3O4 magnetic nanoparticles synthesized by the co-precipitation technique and were coated with silica (SiO2) and...

In this study, the new lanthanum sulfide nanoparticle (La2S3) was synthesized and incorporated onto magnetic graphene oxide (MGO) sheets surface to produce potential adsorbent ([email protected]) for efficient removal of lead ions (Pb²⁺) from wastewater. The synthesized [email protected] adsorbent was characterized using Fourier transform infrared...

This study focuses on the settling profile and chemical characteristics of latex aerobic granules cultivated from rubber industrial wastewater. Latex‐based aerobic granular sludge (AGS) was cultivated using sequencing batch reactor (SBR) in supplemented with synthetic wastewater (SW) as nutrients feeding for biogranulation process. The bioreactor w...

The consumption of pharmaceuticals and personal care products (PPCPs) has been widely increasing, yet up to 90–95% of PPCPs consumed by human are excreted unmetabolized. Moreover, the most of PPCPs cannot be fully removed by wastewater treatment plants (WWTPs), which release PPCPs to natural water bodies, affecting aquatic ecosystems and potentiall...

Cement and aggregates are the essential materials for concrete production. Besides, industrial wastes supplant construction materials. Investigating the engineering properties and environmental aspects of concrete produced with waste materials is required. Thus, this study researched leaching, chemical, and physical properties of the coal power pla...

Prevalence of fluorosis is a worldwide public health problem especially in many states of India. It is necessary to find out the fluoride endemic areas to adopt remedial measures to the people on the risk of fluorosis. The target goals of this research were to assess (a) the exposure of fluoride concentration; (b) probabilistic risk assessment, sen...

This study synthesized a novel heterogeneous catalyst using lanthanum titanium dioxide (LaTiO3) nanoparticles via co-precipitation and calcination processes. The proposed LaTiO3 NPs were used for biodiesel production from wild mustard seed oil in the presence of methanol. The solid catalyst material was characterized by Fourier-transform infrared s...

To overcome the environmental side effects of over-utilizing fossil fuels and road traffic emissions, Alternative Fuel Vehicles (AFVs) are alternative power engines. However, as AFVs have not yet penetrated the automotive market in Iran, using the choice experiment model, this study considers the heterogeneous preference for Electric Vehicles (EVs)...

The presence of pesticides in aquatic environments has threatened marine food resources, aquaculture, fisheries and human health; therefore, two most used insecticides were removed during this study. Two photobioreactors, including biochar and Chlorella vulgaris/activated sludge (reactor 1), and Chlorella vulgaris/activated sludge (reactor 2) were...

The effects of global warming are putting the world’s coasts at risk. Coastal planners need relatively accurate projections of the rate of sea-level rise and its possible consequences, such as extreme sea-level changes, flooding, and coastal erosion. The east coast of Peninsular Malaysia is vulnerable to sea-level change. The purpose of this study...

Coastal hazards are an urgent issue of global concern considering the increasing population pressure in coastal regions, retreating coastlines, and rising seawater levels. Here we demonstrate the process of assessing the vulnerability of a coastal urban environment using the case of Kuala Terengganu, a coastal town in Malaysia, and evaluating the p...

In this study, we synthesized a novel MAC nanocomposite using almond’s green hull coated with CuS. The whole set of experiments have been conducted inside a batch (discontinuous reactor system) at room temperature. The effectiveness of different parameters in tetracycline removal pH (3, 5, 7, and 9), pollutant concentration (5–100 mg/L), nanocompos...

The public is already aware that nitrate pollution caused by nutrient runoff from farms is harmful to aquatic life and human health, and there is an urgent need for a product/technology to solve this problem. A biochar adsorbent was synthesized and used to remove nitrate ions from aqueous media based on spent mushroom compost (SMC), pre-treated wit...

This study used the Autoregressive Distributed Lag (ARDL), The Error Correction Model (ECM), and ECM-Granger Causality to investigate the short and long-run environmental impact of renewable power and the transportation sectors in Iran over 1971 to 2015. The robustness of the results was checked by estimating three cointegration regression models....

A large amount of Reactive red 198 (RR198) is released yearly into the environment. RR198 is toxic for human and aquatic creatures; therefore, it should be removed from wastewater before releasing into the environment. In this study, the nano ZnO-Nd -photo-catalyst for the first time was synthesized by the combustion method. First, the physical cha...

Metal-organic frameworks (MOFs) have received great attention in a recent material sciences revolution. The present study was conducted to investigate the performance of two different synthesized MOFs for adsorption of a common synthetic endocrine-disrupter Bisphenol A (BPA) from the aquatic system. Highly crystalline MIL-53 and MOF (Ni) were synth...

In this study, the potential of LaPO4 foam as a heterogeneous catalyst to produce biodiesel from highly acidic waste cooking oil (WCO) was investigated. The LaPO4 supported nickel foam was characterized by scanning electron microscopy (SEM), energy dispersive X-ray mapping analysis (EDX), X-ray diffraction, and Fourier transform infrared (FT-IR). I...

In this study, magnetic sporopollenin supported cyanocalixarene (MSP-CyCalix) nanocomposite was synthesized and introduced as an adsorbent material for the removal of pesticides from aqueous media. MSP-CyCalix was characterized by different analytical techniques FTIR, SEM, EDX, BET, VSMand TEM. Chlorpyrifos and hexaconazole pesticides were chosen a...

Graphitic carbon nitride, g-C3N4, have been receiving intense attention the last decades due to its unique physicochemical properties, and even more importantly, due to the visible light driven photoreactivity. Hence, the design and synthesis of novel photocatalysts based on g-C3N4 is a prosperous approach towards water and wastewater treatment, es...

Nowadays, electricity consumption has increased worldwide due to the activity of cryptocur-rency miners. Much of Iran’s electricity is generated by fossil fuel power plants. So, generating more electricity means producing more air pollutants in Iran. There is not sufficient information about the effects of cryptocurrency mining on Iran’s air pollut...

Biomass is one of the most versatile sustainable energy sources. This versatility allows utilization of different biomass feedstock using a verity of conversion techniques. Often, a biomass-to-bioenergy conversion method is selected depending on the application, end-use product, and the type of feedstock. In many applications such as residential en...

Metal-organic frameworks (MOFs) of different water-stable classes were prepared hydrothermally and studied for fluoride (F⁻) capture in aqueous medium. In the screening test, the (F⁻) removal for MIL-53 (Fe), UIO-66, AP -UIO-66, and MOF-235 were 95.6%, 92.3%, 74.1% and 61.5%, respectively. MIL-53 (Fe) further explored by Box–Behnken design (BBD) ap...

This paper provides an overview of different methods of assessing the trace metal (TM) contamination status of sediments affected by anthropogenic interference. The geochemical background determination methods are also described. A total of 25 papers covering rivers, lakes, and retention tanks sediments in areas subjected to anthropogenic pressure...

The dominance of conventional fuels in Iran and therefore increasing concerns about its side effects (both environmental issues and economical) has required the Government and policymakers to switch to the adoption of renewable technologies. However, facing some obstacles has lowered the adoption rate of these technologies. Therefore, by applying A...

A hybrid silica-gel (3-glycidoxypropyl)trimethoxysilane/(3-aminopropyl)triethoxysilane magnetic graphene oxide (GPTMS/APTMS-MGO) nanocomposite was synthesized and used as an adsorbent for the magnetic removal of naproxen from water samples. The adsorbent was characterized using Fourier transform-infrared (FT-IR) spectroscopy, field emission-scannin...

In this study, LUS-1, as a mesoporous silica material, was functionalized using sulfur-containing ligand (Bis [3-(triethoxysilyl) propyl] tetrasulfide, TESPT) and used for mercury removal from the aqueous solution. Different characterizations such as N2 adsorption-desorption (BET), TGA, XRD, FT-IR, and SEM were used to verify the nanocomposite synt...

Nowadays, ever-increasing energy demands and the depletion of fossil fuels require efficient and environmentally friendly technologies for energy generation. In this context, energy systems integration makes for a very strong proposition since it results in energy saving, fuel diversification, and the supply of cleaner energy. To this end, it is of...

Chromium (Cr) is a trace element critical to human health and well-being. In the last few decades, its contamination, especially hexavalent chromium [Cr(VI)] form in both terrestrial and aquatic ecosystems, has amplified as a result of various anthropogenic activities. Chromium pollution is a significant environmental threat, severely impacting our...

A novel adsorbent was developed based on nitrile functionalized calix [4]arene grafted onto magnetic graphene oxide (N-Calix-MGO) for remediation of arsenic (III) ions from aqueous media. The nano-composite was characterized using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and energy-dispersive X-ray spectro...

The heterogeneous nanocatalyst used for conversion of waste frying oil to biodiesel. • The biodiesel yield was 94% at a temperature of 60 • C in 90 min using nanocatalyst. • The binary functionality for nanocatalyst as Brønsted acid-base sites was obtained. • FAMEs yield decreased to 86% after four cycles. A R T I C L E I N F O Keywords: Magnetic g...

Energy generation and its utilization is bound to increase in the following years resulting in accelerating depletion of fossil fuels, and consequently, undeniable damages to our environment. Over the past decade, despite significant efforts in renewable energy realization and developments for electricity generation, carbon dioxide emissions have b...

This study scrutinised the symmetric/asymmetric impact of energy consumption on the economic growth (RGDP) of Iran in the framework of the extended Cobb-Douglas production function from 1970 to 2017. The linear and nonlinear Autoregressive Distributed Lag (ARDL) confirmed that a positive and negative shock on energy consumption had the same impact...

This study investigated the effects of soil amendments including biomasses (rice husk, RRH and maple leaf, RML), biochar (rice husk biochar, RHB and maple leaf biochar, MLB), and industrial by-products (red mud, RM and steel slag, SS), at two application rates (0, 1, and 2% w/w) on leaching and bioavailability of heavy metal(loid)s (HMs) (As, Cd, C...

This study was aimed to produce a novel nanocomposite with appropriate properties to apply in biomedical researches. MgO was used as a control sample in the experiments. A series of Mg 1-x Zn x O nanoparticles with x = 0.01 and 0.03, were prepared by the sol-gel method and added to k-carrageenan/NaCMC to produce MgO, Mg 0.99 Zn 0.01 O, and Mg 0.97...

PAHs are persistent organic pollutants spread worldwide in our environment, including air, soil, and water. They are a large class of organic pollutants released mainly from anthropogenic sources, including automobiles and incomplete combustion of fossil fuels, power plants, and natural sources like forest fires and volcanic eruptions. In recent ye...