Jafar Abdi

• PhD
• Professor (Associated) at University of Shahrood

Membrane adsorbents have emerged as effective engineering tools for the elimination of heavy metal ions from water resources. Our previous works presented novel modified chitosan/poly(vinyl) alcohol membrane adsorbents for Cu(II) adsorption from water. This communication presents an expert mathematical model to predict the equilibrium adsorption of...

The increasing levels of antibiotic pollution and the emergence of antibiotic-resistant bacteria pose significant global environmental and public health concerns. Metronidazole (MNZ), a commonly used antibiotic effective against various anaerobic bacteria and Protozoa, is frequently detected in water sources. Several treatment techniques, such as a...

River pollution is one of the critical issues in the field of the environment that may have direct and indirect impacts on the health of humans, animals, and plants that rely on water. In this study ArcGIS software was employed to delineate the Kashkan River path and its water quality was evaluated using the IRWQISC, NSFWQI, and Wilcox indices comp...

The increasing prevalence of pharmaceutical contaminants in aquatic ecosystems has raised significant environmental concerns, necessitating the development of efficient removal strategies. In this study, Ti3C2Tx MXene was synthesized and modified with cetyltrimethylammonium bromide (CTAB) to enhance its adsorption performance for cefazolin (CFZ), a...

Pollution of water resources by organic dyes, due to their high toxicity and persistence in the environment, has become a serious environmental challenge. In this research, a Ti3C2Tx/ZIF-67 nanocomposite was synthesized and evaluated as an efficient adsorbent for the removal of organic dyes. The nanocomposite was characterized using FESEM analysis....

Ionic liquids (ILs) have gained attention in recent times as potentially effective absorbents for CO2 emissions owing to the number of their notable attributes, including reduced volatility, enhanced thermal consistency etc. Due to the number of challenges of thermodynamic models in forecasting CO2 solubility in ILs under a variety of operating con...

Single- and dual-atom catalysts (SACs and DACs) on porphyrins (Por) and phthalocyanines (Pht) have been widely used for oxygen evolution and/or reduction reactions (OER and/or ORR). However, the van der Waals (vdW) interactions’ effect on their performances has not been systematically explored. In this study, the vdW interactions in double-layers o...

In the present investigation, Fe-MOF decorated magnetic pomegranate peel activated carbon (PPAC) was synthesized using the two-step method, and different characterization studies confirmed the successful preparation of the PPAC@Fe3O4@MOF (PPACFM) nanocomposite. The photocatalytic activity of the PPACFM was evaluated using metronidazole (MNZ) antibi...

In this study, the performance of Fe3O4@CuCr-LDH@Fe-BTC nanocomposite as a novel adsorbent was evaluated for tetracycline (TC) removal from aqueous solution using ultrasonic irradiation. The nanocomposite was successfully prepared by in-situ growth of Fe-BTC over magnetic CuCr-LDH and characterized by different analyses. The effects of various oper...

In this contribution, the design of a graphene-supported high-entropy single-atom catalyst (HESAC) composed of Fe, Co, Ni, and Ru metal atoms (FeCoNiRu-HESAC) is proposed. Negative formation energy and positive dissociation potentials indicate such materials' thermodynamic and electrochemical stability. Based on density functional theory (DFT) calc...

The growing occurrence of antibiotics in aquatic environments has emerged as a notable environmental issue given their potential detrimental impacts on ecosystems and the well-being of individuals. Therefore, there is a pressing need to develop effective strategies for removing antibiotics from wastewater. Herein, PW12/Fe3O4/biochar nanocomposite a...

A series of Fe3O4@CuCr-LDH hybrids decorated with different amount of ZIF-8 (FLZ, 10–40 wt%) was prepared using simple methods and characterized with different techniques. The activity of the synthesized nano�composites was investigated in the sonocatalytic degradation of tetracycline (TC) antibiotic from wastewater. When the content of ZIF-8 in...

In this study, magnetic biochar-iron oxide (MBC-IO) nanocomposite was easily synthesized as a strong adsorbent to remove toxic Pb (II) heavy metal from aqueous solution. The physical and chemical properties of the prepared adsorbent were analyzed using SEM, FTIR, XRD, BET, and zeta-potential analyses. An experimental design, using the response surf...

The performance of different machine learning algorithms, including Bagging-Extreme Gradient Boosting (BagXGBoost), Categorical Boosting (CatBoost), K Nearest Neighborhood (KNN), Light Gradient Boosting Machine (LightGBM), and Decision Trees (DT) in the prediction of biohydrogen production from wastewater during dark fermentation is investigated. E...

The efficient elimination of heavy metal ions including Pb(II) from aqueous solutions, which provide serious risks for the human and environment, by various adsorbents has received much interest. Herein, Ti3C2Tx as a two-dimensional transition metal carbide (MXenes) and Ti3C2Tx/ZIF-67-belt were synthesized and employed as adsorbents for Pb(II) from...

Light olefins, as the backbone of the chemical and petrochemical industries, are produced mainly via steam cracking route. Prediction the of effects of operating variables on the product yield distribution through the mechanistic approaches is complex and requires long time. While increasing in the industrial automation and the availability of the...

In this work, the process of biogas production from palm oil factory effluent was simulated and then the produced biosynthetic gas was sweetened. For this purpose, the biogas production process from wastewater treatment was simulated using SuperPro Designer v9.0 software. Then, the resulting biogas entered the chemical absorption and reforming sect...

One of the most recent environmental concerns is the emergence of new pollutants, such as antibiotics, and increasing antimicrobial resistance in bacteria. Therefore, achieving effective methods for treating these pollutants is very important and considerable. Extensive studies have been conducted on antibiotic removal from water by carbon-based ma...

Arsenic in drinking water is a serious threat for human health due to its toxic nature and therefore, its eliminating is highly necessary. In this study, the ability of different novel and robust machine learning (ML) approaches, including Light Gradient Boosting Machine (LightGBM), Extreme Gradient Boosting (XGBoost), Gradient Boosting Decision Tr...

Industrial developments and human activities lead to the release of various organic and inorganic pollutants into water resources, which threatens human life and the environment. Membrane separation techniques possess plenty of advantages in comparison with traditional water and wastewater treatment systems, such as lower maintenance and operating...

The crude oil spills have direct or indirect catastrophic damage to the ecosystem and aquatic life. Metal-organic frameworks (MOFs) have gained great attention as promising candidates for cleaning up oily pollutants from water. The emphasis of this review is on the recent applications of MOFs with different morphologies and chemical compositions, e...

In this study, a porous nanocontainer from UiO-66-NH2/CNTs nanocomposite with an excellent barrier characteristics was constructed through amine-functionalized Zr-based metal organic framework. The characterization of the prepared nano-materials were performed using different analyses such as FTIR, XRD, SEM, EDS, TEM, and BET and the results proved...

Carbon geo-sequestration (CGS), as a well-known procedure, is employed to reduce/store greenhouse gases. Wettability behavior is one of the important parameters in the geological CO2 sequestration process. Few models have been reported for characterizing the contact angle of the brine/CO2/mineral system at different environmental conditions. In thi...

Considering the low concentration levels of bisphenol compounds present in environmental, food, and biological samples, and the difficulty in analyzing the matrices, the main challenge is with the cleanup and extraction process, as well as developing highly sensitive determination methods. Recent advances in the field of metal-organic frameworks (M...

Today, the rise of antibiotic contamination and the emergence of antibiotic-resistant bacteria is one of the major environmental concerns worldwide. Therefore, finding effective methods of treating these pollutants is very important. Adsorption is one of the efficient methods to remove contaminants from water and wastewater. For this process to...

In this project, experimental investigations were performed to measure the bio-kinetic parameters of the sulfide removal using an activated sludge bioreactor (ASBR) in the presence of nanoparticles. For this aim, silica nanoparticles (NPs) and exfoliated graphene oxide (GO) nanosheets were synthesized and characterized using FTIR, XRD, and TEM anal...

Absorption has always been an attractive process for removing hydrogen sulfide (H2S). Posing unique properties and promising removal capacity, ionic liquids (ILs) are potential media for H2S capture. Engineering design of such absorption process needs accurate measurements or reliable estimation of the H2S solubility in ILs. Since experimental meas...

The increasing of emerging pollutants in aqueous solutions challenges the researchers and scientists of water and effluent remedies. new pollutants such as antibiotics, hormones, drugs, endocrine disorders, beautifying materials, pesticides, surfactants, industrial products, microplastics, nanoparticles, and nanomaterials. elimination of those p...

In this project, potential capability of intelligent machine learning methods such as LS-SVM, RBFNN, MLPNN, and ANFIS were investigated for estimating the efficiency of azo dyes removal from wastewater. To this aim, a huge data bank of azo dyes adsorption by metal-organic frameworks as porous adsorbents were collected under different conditions, in...

In recent years, metal organic frameworks (MOFs) have been distinguished as a very promising and efficient group of materials which can be used in carbon capture and storage (CCS) projects. In the present study, the potential ability of modern and powerful decision tree-based methods such as Categorical Boosting (CatBoost), Light Gradient Boosting...

Nowadays, the presence of sulfurous compounds in aqueous media has been converted to one the most serious risks due to their high toxicity. Therefore, selecting and assessing a suitable and efficient method for decreasing or eliminating this pollutants are a vital issue. In this study, a comprehensive comparative analysis among various specific gro...

In this study, a comprehensive comparative analysis between various adsorption kinetic and mass transfer models were carried out to investigate and predict the adsorption process of ketorolactromethamine drug pollutant onto the porous UiO-66 metal organic framework. Primarily, a new kinetic model was developed and compared with Elovich and four dif...

The environmental and health issues of drinking water and effluents released into nature are among the major area of contention in the past few decades. With the growth of ultrasound-based approaches in water and wastewater treatment, promising materials have also been considered to employ their advantages. Metal-organic frameworks (MOFs) are among...

In this work, the potential ability of various modern and powerful machine learning methods such as Categorical Boosting (CatBoost), Light Gradient Boosting Machine (LightGBM), Extreme Gradient Boosting (XGBoost), Adaptive Boosting (AdaBoost), Gradient-Boosted Decision Trees (GBDT), Extra Tree (ET), Decision Trees (DT), and Random Forest (RF) were...

In this work, the mechanism of malachite green (MG) interaction has been evaluated by the density functional theory (DFT) calculation over a metal-organic framework/graphene nanosheet (MOF/G-sheet) and compared with its pristine counterparts (i.e., graphene nanosheet and graphene oxide (GO)). For the hybrid MOF/G-sheet, a dome-like ZIF-8 crystal mo...

In the current study, a new water-stable nanocomposite and amine-functionalized zirconium-based metal-organic framework/carbon nanotube (UiO-66-NH2@CNT) was synthesized using the hydrothermal approach, displaying superior photodegradation of anionic and cationic dyes under visible-light irradiation. Methyl orange (MO) and Rhodamin B (RhB) were used...

Metal-organic frameworks are a new class of synthetic porous materials, introduced to the world of chemistry in 1990. Since then, the study and research about these materials has been developing rapidly. Unlike many common porous materials with limited applications, these materials have demonstrated unparalleled capabilities in many sensitive and c...

کتاب "مقدمه ای بر جذب سطحی: مبانی، تحلیل و کاربردها" اصول جذب سطحی شامل تحلیل داده ها، تفسیر و محاسبات طراحی که مربوط به کاربردهای آن میباشد را ارائه میکند. این کتاب اطلاعات پایه ای در مورد جذب سطحی محلولهای مایع، تفاوت بین جذب تعادلی حل شونده منفرد و سطح اضافی، بحث کلی پیرامون مکانیسم های جذب ماده جذب شونده و عبارت نرخ جذب، مراحل جذب، مدلهای عملکر...

Metal–organic frameworks (MOFs) are a new class of coordination polymers and porous materials which have a wide application in various scientific fields based on their dual structures. In this work, synthesis of ã- Fe2O3@SiO2@ZIF-8 magnetic nanocomposite for removal of organic pollutant from wastewater was studied. Then, for improving photocatalyti...

Herein, a novel polymeric nanocomposite based on zeolitic imidazolate frameworks (ZIFs) was synthesized through a facile one step phase inversion (PI) technique. The prepared PES/ZIF-8/ZIF-67 was employed to remove Malachite green (MG) dye from colored wastewater in both batch and continuous flow systems. The influence of different parameters such...

Recent advancements in synthesizing materials potential for hydrogen storage have greatly forced the hydrogen storage technology ahead in recent years. Hollow spheres, with unparalleled characteristics like low density and high specific surface area, have emerged as one of the most promising alternatives for hydrogen storage applications. In the pr...

Doping of metal-organic frameworks (MOFs) with active agents is highly desirable, as it can lead to increased photocatalytic efficiency, compared to the bare framework. Herein, [email protected] catalysts with different Ag content are successfully synthesized using a fast and facile method. The prepared materials are primarily characterized by diff...

In the last decades, numerous attempts have been made to prevent microbial pollution spreading, using antibacterial agents. Zeolitic imidazolate framework-8 (ZIF-8) belongs to a subgroup of metal organic frameworks (MOFs) merits of attention due to the zinc ion clusters and its effective antibacterial activity. In this work, Ag-doped magnetic micro...

Herein, Zeolitic imidazole framework-8 (ZIF-8) as a 3D nanoporous support was synthesized and its surface was functionalized to attain amino-functionalized nanoparticles. Laccase enzyme was covalently immobilized onto ZIF-8 nanoparticles via glutaraldehyde (GA) as the linker to prepare a novel MOF-based nanobiocatalyst (NBC) for degrading organic p...

Herein, NH2-MIL-125(Ti) (NMT) as one of the known stable metal-organic frameworks (MOFs) in aqueous solution was successfully magnetized with CoFe2O4 nanoparticles through the hydrothermal method. The Ag/AgCl as a plasmonic photocatalyst was assembled on the CoFe2O4/NMT (CFNMT) at room temperature by in situ deposition, and photo-reduction methods...

Zirconium based metal-organic frameworks (Zr-MOFs) are promising candidates for photocatalytic wastewater treatment due to their excellent properties such as high chemical and thermal stability and high photodegradation ability. Herein, we report a novel porous TiO¬2/ZrO2 photocatalyst derived from UiO-66 and Titania hybrids. UiO-66 nanoparticles w...

Herein, magnetic cobalt ferrite nanoparticles (CFNPs) was synthesized and its surface was modified by cationic surfactant (cetyltrimethyl ammonium bromide: CTAB) and its potential to selective removal of dye from multicomponent (ternary) system was investigated. Direct red 31 (DR31), Direct green 6 (DG6) and Direct red 23 (DR23) were used as a mode...

Herein, Kiwi peel activated carbon (AC), Materials Institute Lavoisier (MIL-88B (Fe), and AC/MIL-88B (Fe) composite were synthesized and used to photodegradation of Reactive Red 198. The material properties were analyzed by the FTIR, BET-BJH, XRD, FESEM, EDX, TGA, and UV-Vis/DRS. The BET surface area of AC, MIL-88B (Fe) and AC/MIL-88B (Fe) was 1113...

In the recent decade, Metal-Organic Frameworks (MOFs) and their most popular subclasses (zeolitic imidazolate frameworks (ZIFs)) are widely studied for removing contaminants from the effluent. Herein, the magnetic bionanocomposite (eggshell membrane-zeolitic imidazolate framework) was synthesized using a facile, efficient, and green ultrasound-assi...

Herein, metal-organic framework (MOF-199) as a nanoporous material was synthesized and characterized using FESEM, EDS, FTIR, XRD, BET and TGA. Basic Blue 41 was used for investigating the photocatalytic activity of MOF-199. The SEM image showed that a nanoporous MOF was synthesized. The effect of catalyst dosage, initial pollutant concentration and...

Herein, magnetic metal-organic framework nanocomposite (ZIF-8@SiO2@MnFe2O4) was synthesized. The ultrasound-assisted simultaneous adsorption of Malachite Green (MG) and Methyl Orange (MO) as cationic and anionic dyes onto ZIF-8@SiO2@MnFe2O4 magnetic microporous nanocomposite (MMNC) as a novel adsorbent was investigated. The FTIR, FESEM, TEM, EDX, X...

Mesoporous polyvinyl alcohol/chitosan/silica composite nanofiber (PCSCN) as a dye adsorbent was prepared using electrospinning and used for removing Direct Red 80 (DR80). The PCSCN was characterized using SEM, FTIR, and AFM. Dye adsorption was an endothermic reaction and followed the Langmuir isotherm and pseudo‐second order kinetics. The effects o...

In this paper, three metal-organic frameworks (Materials of Institut Lavoisier: MILs-100 (Fe)) as porous nanomaterials were synthesized using FeCl3, Fe(NO3)3 and Fe2(SO4)3 and denoted as MIL-100-1, MIL-100-2 and MIL-100-3, respectively. The synthesized MILs-100 (Fe) were characterized by FTIR, SEM, TEM, XRD, UV–vis DRS and zeta potential. Basic Blu...

In this study, zeolitic imidazolate framework (ZIF-8) as a metal-organic framework (MOF) and its hybrid nanocomposites based on graphene oxide (GO) and carbon nanotubes (CNTs) were synthesized by facile method at an ambient temperature. The sufficiency of GO and CNT substrates as the main components of the composites to grow nanoscale MOFs and incr...

The present research is focused on the ultrasound assisted adsorption of Acid blue 92 (AB92) and Direct red 80 (DR80) as anionic dyes in single and binary systems onto zeolitic imidazolate framework (ZIF-8) functionalized with 3-Aminopropyltrimethoxysilane (APTES). Different techniques such as Fourier transform infrared (FTIR), Scanning Electron Mi...

In this paper, copper oxide nanoparticle was synthesized and its surface was functionalized to remove dyes from single systems. The characteristics of the adsorbent were studied using Fourier transform infrared, X-ray diffraction, and scanning electron microscopy. Direct Red 31 (DR31) and Direct Red 80 (DR80) were used as model dyes. Least-squares...

The burning of fossil fuels such as gasoline, coal, oil, natural gas in combustion reactions results in the production of carbon dioxide. The phase behavior of the carbon dioxide + water system is complex topic. Unlike methane, CO2 exhibits a minimum in the water content. These minima cannot be predicted by existing methods accurately. In this comm...

Laccase was immobilized onto manganese ferrite nanoparticle (MFN) and dye decolorization from single and binary systems was studied. The characteristics of laccase immobilized manganese ferrite nanoparticle (LIMFN) were investigated using Fourier transform infrared (FTIR) and scanning electron microscopy (SEM). Direct red 31 (DR31), Acid blue 92 (A...

In this study, a reliable and predictive model namely, least-squares support vector machine (LS-SVM) was developed to predict dye removal efficiency. Four LS-SVM models have been developed and tested using more than 630 series of experimental data which were obtained from our previous paper. These data consist of adsorbate type, adsorbent dosage, i...

The magnetic adsorbent nanoparticle was modified using cationic surface active agent. Zinc ferrite nanoparticle and cetyl trimethylammonium bromide were used as an adsorbent and a surface active agent, respectively. Dye removal ability of the surface modified nanoparticle as an adsorbent was investigated. Direct Green 6 (DG6), Direct Red 31 (DR31)...

In this paper, urethane polycarboxylate (UPC) as a novel adsorbent was synthesized and characterized. Dye removal ability of UPC from aqueous solution of single and binary systems was studied. Fourier transform infrared (FTIR) was used to characterize UPC. Basic Blue 41 (BB41), Basic Red 18 (BR18), and Basic Violet 16 (BV16) were used as cationic d...

In this study, the multi fluid Eulerian computational fluid dynamics (CFD) model with granular flow extension was used to simulate a binary liquid-solid fluidized bed in the laminar flow, temperature among 20-25°C and below atmospheric pressure. The superficial water velocity was 0.0025 to 0.05 m/s. Governing equations were discredited by using the...

In this paper, gemini polymeric nanoarchitecture (GPN) as a novel adsorbent was synthesized, and its dye removal ability from single and multicomponent (ternary) systems was investigated. The physical characteristics of GPN were studied using Fourier transform infrared (FTIR). Acid Blue 92 (AB92), Direct Green 6 (DG6), and Direct Red 31 (DR31) were...