Reyad Awwad Shawabkeh

• PhD
• Professor at University of Jordan

Olive mill solid waste (OMSW) is a significant agricultural byproduct from olive cultivation and related productions. Recognized as a valuable energy resource in countries such as Jordan, Syria, and Tunisia, this study focuses on the comprehensive characterization of Jordanian OMSW (J-OMSW) and RTC coal. Utilizing analytical tools such as thermogra...

Olive leaves were utilized to produce activated biomass for the removal of ciprofloxacin (CIP) from water. The raw biomass (ROLB) was activated with sodium hydroxide, phosphoric acid, and Dead Sea water to create co-precipitated adsorbent (COLB) with improved adsorption performance. The characteristics of the ROLB and COLB were examined using SEM i...

This study assessed the effectiveness of Olive Leaf Biomass (OLB) and Sulfuric Acid-Treated Olive Leaf Biomass (SATOLB) in removing Methylene Blue (MB) from water. Sulfuric acid was used to activate SATOLB, resulting in improved adsorp-tion effectiveness. The optimal removal of MB for both materials was observed at pH 6. SATOLB demonstrated an impr...

Environmental challenges related to sewage sludge call for urgent sustainable management of this resource. Sludge pyrolysis might be considered as a sustainable technology and is anticipated to support measures for mitigating climate change through carbon sequestration. The end products of the process have various applications, including the agricu...

Flue gas generated by power plants is considered one of the primary sources of CO2 emissions. Flue gas can be injected into depleted gas reservoirs to minimize the impact of CO2 and other pollutants such as sulfur dioxide (SO2) and nitrogen oxides (NOx). This work investigates the impact of gas impurities in flue gas on CO2 enhanced gas recovery in...

Commercial activated carbon (AC) was selected and impregnated with sodium hydroxide. The carbons were characterized for their surface area, morphology, and functional groups. BET surface area analysis illustrates an average surface area of ca. 1000 m2/g with an average pore radius of 1.5 nm. SEM analysis provided agglomerated particles with sizes o...

BA 431c - In-Vitro Adsorption of Paracetamol Overdose Using Olive Leaves Biomass Wednesday, November 8, 2023 4:10 PM - 4:25 PM Celebration 14 (Convention Level, Hyatt Regency Orlando) Abstract Overdose of drug ingestion such as that by paracetamol (PAR) can lead to several health side-effects in patients. Conventional remedy for drug intoxication...

In this research study, waste fly ash (WFA) underwent acid activation and subsequent amine functionalization using ammonia solution. This treatment improves the porosity, thermal tendency and crystallinity of WFA. Modified WFA was tested under different experimental conditions to treat the wastewater consisting of different concentrations of cation...

A solid heterogeneous catalyst was derived from oil shale ash by impregnation of the ash with KNO3 followed by calcination for 4 h. Different preparation conditions were studied (KNO3 concentrations: 0.05 and 0.1 M, and calcination temperatures: 500 and 700 °C). After calcination, the dependence of waste cooking oil to biodiesel conversion on the r...

WFA modification was done by its reaction with the mixture of ammonia solution and phosphoric acid. BET analysis of modified WFA elucidate pore volume and surface area of 0.017cm ³ /g, 11.1m ² /g respectively. Thermo-Gravimetric Analysis (TGA) confirmed the 45% loss in weight for the WFA whereas, for modified WFA, the loss was about 12%. XRD result...

Copper and cadmium ions are among the top 120 hazardous chemicals listed by the Agency for Toxic Substances and Disease Registry (ATSDR) that can bind to organic and inorganic chemicals. Silica is one of the most abundant oxides that can limit the transport of these chemicals into water resources. Limited work has focused on assessing the applicabi...

The industrial mine water produced by the Eshidiya phosphate mines posed discharge, safe storage, and reuse challenges. This study aimed to evaluate the hydrogeochemical characteristics of the mine water using physicochemical and biological analysis, the Piper model, the Durov model, and the saturation index model. Industrial mine water could be cl...

Global accumulation of CO2 in the atmosphere has become a significant environmental challenge in the past two decades. Global warming and climate change resulting from increasing concentrations of CO2 are of utmost concern for scientists. Converting CO2 electrochemically to value-added chemicals is currently the most practical and economically viab...

Copper-based silica is a promising catalyst for several reaction pathways for CO2 conversion to hydrocarbons. The activity of this catalyst in terms of conversion and product selectivity is affected by CO2 adsorption, surface reaction, and product desorption resistances on the surface of the catalyst. The effect of CO2 adsorption on the surface of...

The effect of temperature and pressure on the adsorption of CO2 and CH4 gases on calcite (104) has been studied by means of classical molecular dynamics. The results show that carbon dioxide greatly improves methane desorption in the 323–373 K range, even at low CO2 concentrations. However, this effect is less pronounced for very high temperatures...

Adsorption techniques for industrial wastewater treatment rich in heavy metals and aqueous solutions of water-soluble such as Cl−, F−, HCO3−, NO3−, SO2−4, and PO3−, often include technologies for toxicity removals. The recent advancement and technical applicability in the treatment of chlorine and chlorinated compounds from industrial wastewater ar...

In this work, the interaction of methane and carbon dioxide on α-quartz with surface 001, with a siloxane termination (dense) surface was investigated by means of Ab-Initio Molecular Dynamics. Different temperatures were addressed, ranging from 298 to 423 K. For completeness, pure and mixed compositions were considered, to replicate the conditions...

Carbon dioxide enhanced gas recovery (EGR) is a promising technique to sequester CO2 and boost natural gas recovery from conventional depleted and unconventional tight gas reservoirs. Clay minerals are usually present in sandstone reservoirs and their influence on the efficiency of CO2-EGR is yet to be examined. In this study, the impact of clays o...

Increasing CO2 emissions and global warming side effects have prompted the researchers to look for safe and reliable storage sites that have high capacity. Among the available CO2 capturing sinks, depleted gas reservoirs have high potential to sequester CO2. Depleted conventional and unconventional gas reservoirs have large pore space after natural...

Purpose-The paper aims to report an experimental investigation of the effectiveness of an alkyl amine-based inhibitor on the corrosion behavior of 1018 carbon steel in sea water. The adsorption equilibrium for this corrosion inhibitor on carbon steel was also investigated. The corrosion inhibitor was evaluated based on parameters such as inhibitor...

Recently, CO2 sequestration in different shale formations has become an attractive option owing to the abundance of shale basins. However, these formations have different maturity levels and contain a variety of minerals such as carbonates and clays. The amount of CO2 in shale formations is related to the adsorption capacity of these rocks. In this...

Solids sag and formation damage are serious problems encountered while drilling with barite-weighted drilling fluids. The objective of this study is to investigate the effect of reducing barite particle size on rheological properties, fluid stability, and filter cake removal. Barite samples with different particle sizes were prepared using sieve an...

The adsorption of gas molecules (CO2, CH4, H2O, H2S and N2) on the “dense”(001) surface of α-quartz has been investigated by means of Density Functional Theory (DFT) for the molecular characterization of Enhanced Gas Recovery (EGR) processes by CO2 injection. Several configurations have been studied for the different compounds. Overall, the five mo...

Amine functionalized carbon (AFC) was synthesized from raw oil fly ash and later utilized it for simultaneous removal of Methyl orange (MO) and Rhodamine 6G (Rh6G) pollutant dyes from aqueous medium. AFC was analyzed through Scanning Electron Microscopy (SEM), BET (Brunauer–Emmett–Teller) surface area and Fourier Transform Infrared Spectroscopy (FT...

The adsorption of gas molecules (CO2, CH4, H2O, H2S and N2) on calcite (104) has been studied by means of Density Functional Theory for molecular characterization of Enhanced Gas Recovery (EGR) CO2 injection. Results show that the geometry of both the surface and gas were not affected by the adsorption, highlighting the physisorption nature of the...

Conventional gas reservoirs are one of the viable options for CO2 enhanced gas recovery and sequestration. Injection of hot CO2 into depleted reservoirs is expected to improve gas recovery. Static adsorption and core flooding experiments were performed to quantify methane/CO2 adsorption/desorption using different rocks at different temperatures and...

A series of Cu-K/Al2O3 catalysts were synthesized by wet impregnation technique. The reduced catalysts were further used for conversion of carbon dioxide to methane and carbon monoxide. Moreover, the fresh and used catalysts were characterized to investigate the changes in the surface morphology, metal dispersion, surface area, crystalline phases,...

The solubility of hydrogen sulfide (H 2 S) is very high in different liquids such as water or liquid sulfur. The existence of H 2 S results in local corrosion and causes cracking to the steel even if the concentration of H 2 S is low. The objectives of this paper are to (1) evaluate copper nitrate as an H 2 S scavenger while drilling sour horizonta...

The solubility of hydrogen sulfide (H2S) is very high in different liquids such as water or liquid sulfur. The existence of H2S results in local corrosion and causes cracking to the steel even if the concentration of H2S is low. The objectives of this paper are to (1) evaluate copper nitrate as an H2S scavenger while drilling sour horizontal and mu...

A new geopolymeric material has been fabricated from local Saudi Arabian resources using inorganic mineral polymerization technique. In this technique, the mineral polymer is synthesized from the following components: naturally occurring kaolin clay mineral, silica sand, sodium hydroxide, and water. Homogeneous samples of known amounts of clay mine...

Waste oil fly ash (OFA) collected from disposal of power generation plants was treated by physico-chemical activation technique to improve the surface properties of OFA. This synthesized material was further used for potential H2S adsorption from synthetic natural gas. The raw OFA was basically modified with the mixture of acids (20% HNO3 and 80% H...

In this study, sewage sludge-derived activated carbon (SDAC) was synthesized, characterized, and tested for its potential as an adsorbent of methyl tert-butyl ether (MTBE). The SDAC was produced by activating the sludge with zinc chloride and subsequently subjected to various ranges of pyrolytic temperatures. It was then characterized using SEM/EDX...

Barium Sulfate (Barite) is a major oil and gas field scale formed inside the production equipment as well as in the reservoir. During drilling of oil and gas wells, barite serves as a weighting material in different drilling fluid formulations. Barite solubility is very low in inorganic and organic acids. In this study, DTPA chelating agent and a c...

Hydrogen sulfide is naturally occurring gas that can be found in gas reservoirs, dissolved in hydrocarbon, water, or even liquid Sulphur. H2S can also be produced by microbiological processes, for example the reduction of sulfates by anaerobic bacteria such as sulfate reducing bacteria (SRBs). The existence of hydrogen sulfide even at low concentra...

The environmental concerns to reduce carbon dioxide emissions have led to huge advancements in carbon capture and sequestration in different geological formations in the past two decades. Due to the high abundance of shale basins around the world, in recent years, CO2 sequestration potential in these formations has become an attractive option. Howe...

Enhanced gas recovery methods such as foamed CO2 are recommended for depleted gas reservoirs. Viscoelastic surfactant (VES) is a form of a surfactant used for forming CO2 foam. In this study, the impact of VES on CH4 and CO2 retention and adsorption in calcite rock samples was studied. Crushed samples of Indiana limestone rocks of average particle...

Indiana limestone cores were crushed and sieved to particle size of 125-250 microns, half of the sample was kept pure and the remaining has been treated with NaCl brine containing 0.1% (VES) viscoelastic surfactant to study the effect of surfactant on CO2 and CH4 adsorption. The carbonate rock was characterized using X-ray diffraction to determine...

Adsorption of CH4, CO2 and 10%CO2/CH4 on mature Qusaiba shale (1.81% TOC) is studied at 50, 100 and 150°C and 45 bars maximum pressure. Adsorption of CH4 was the lowest at all temperatures. As CO2 percentage increased, adsorption uptake increases concluding that CO2 is highly competitive and can be used to desorb CH4 and enhance gas recovery. Maxim...

The objective of this research was to enhance adsorption capacity of Acacia Nilotica (keekar) sawdust for the abatement of chromium bearing wastewater and to investigate the effect of process parameters on adsorption capacity. The saw dust was activated by acid wash and functionalized subsequently with formaldehyde. Functionalization of activated s...

A process for making a modified, mesoporous activated carbon material from waste oil fly ash. The process involves a physicochemical treatment of a raw waste oil fly ash sample, where the sample is initially refluxed in an acid solution, then activated at about 1000.degree. C. and in the presence of carbon dioxide. The activated carbon may be furth...

The research results summarize the potential of novel cross-linked chitosan for the removal of Congo red dye from an aqueous phase. Synthesized materials were characterized by FTIR, XRD, TGA, DSC and SEM. The effects of several process conditions like effect of adsorbent dose, contact time, initial solution pH and temperature were investigated. Equ...

A new material from clay was developed that has a resistance to carbon dioxide flow in upstream for plugging CO2 storage wells. Thermogravimetric and thermal stability of this material showed a minimal variation in weight loss with incremental heating up to 420 °C. Adsorption-desorption of CO2 at various modeled temperature showed an exothermic and...

A series of Ni/γ-Al2O3 and 5%X-12%Ni/γ-Al2O3 (X = La, Ce, Pr, Eu & Gd) catalysts was synthesized by using aqueous incipient impregnation method for methanation of carbon dioxide. 5%Pr-12%Ni/γ-Al2O3 showed the highest CO2 conversion of 98.2% with 100% CH4 selectivity at 300 °C for investigated reaction conditions. The catalyst activity was also test...

Unconventional natural gas resources including shale and tight gas reservoirs hold most of natural gas reserves around the world. However, these resources pose a great challenge in reserve estimation, modeling flow behavior, reservoir simulation, drilling, history matching, and well testing. Because of high complexity of rock composition, poor petr...

Removal of water-based filter cake that formed either during drilling or hydraulic fracture operations is a difficult task. Chelating agents were introduced in the oil industry to solve the common problems associated with the conventional acids (hydrochloric acid, an organic acid, or a mixture of these acids), such as rapid and uncontrolled reactio...

Natural gas is one of the primary sources of energy. With conventional resources depleting and rising energy demands, the world is swiftly moving towards exploiting the indigenous unconventional resources. Unconventional resources refer to ultralow permeability reservoirs that include shale and tight gas systems. Tight gas systems may include sands...

In this study, CO2 injection for the purpose of Enhanced Gas Recovery (EGR) and sequestration after primary recovery is investigated on Pink Desert limestone from Edwards Plateau formation in central-west Texas. In this paper, competitive adsorption of CH4 and CO2 is studied in the temperature range 50 °C-150 °C using a mixture of CO2 and CH4. Meth...

The simulation of the gas flow in tight sandstone reservoir is a very complicated process. Several mechanisms contributed to the natural gas production in tight sandstone reservoirs. One of the main mechanisms is the gas desorption from the rock surface to the pore body. All the existing models did not consider the effect of CO2 content in the natu...

Barite is one of the most common weighting materials used in drilling fluid for deep oil and gas wells. Consequently, the main source of solids building the filter cake is the weighting material used in drilling fluids ‘Barite particles’. Barite is insoluble in water and acids such as HCl, formic, citric, and acetic acids, as well as the barite has...

Barite is one of the most common weighting materials for drilling and completion fluids. Its good properties (high density, less environmental impact, and low production cost) outperform the other weighting materials and make it a good candidate for drilling and completing oil and gas wells. However, some problems were encountered in the industry w...

Surfactant and polymer flooding technology can greatly enhance the oil recovery through the expansion of sweeping and displacing efficiency. The recovered oil from surfactant and polymer flooding emulsifies the residual chemical, which makes the separation of water from oil quite difficult, yet the impact of the enhanced oil recovery (EOR) chemical...

Barium sulfate (barite) is one of the widely used weighting materials in the preparation of drilling fluid for deep oil and gas wells. Barite is not soluble in the regular solvents; such as, hydrochloric acid (HCl) and other acids. Therefore, in this study, we focused on evaluating the dissolution of the industrial barite particles in different che...

Barite scale is the most common oilfield scale in oil and gas wells. Barite scale removal still represents a challenge to the oil and gas industry because of its low solubility in mineral acids such as HCl. Chelating agents such as diethylene triamine pent acetic acid (DTPA), ethylene diamine tetra acetic acid (EDTA), and hydroxy ethyl ethylene tri...

The removal of barite filter cake is a challenging problem because the conventional filter cake removal treatments that use hydrochloric acid (HCl) or chelating agents were ineffective in dissolving barite containing filter cakes. Barite, or barium sulfate, is insoluble in water and acids such as HCl, formic, citric, and acetic acids. Also barite h...

Surfactant and polymer flooding technology can greatly enhance the oil recovery through the expansion of sweeping and displacing efficiency. The recovered oil from surfactant and polymer flooding emulsifies the residual chemical, which makes the separation of water from oil quite difficult, yet the impact of the enhanced oil recovery (EOR) chemical...

Maintaining CO2 in gas and oil wells is a challenge in CO2 sequestration. The downhole forces on the pumped cement between the casing and the drilled formation lead to failure of cement, and hence the well integrity can be affected. Furthermore, the prolong interaction between the stored CO2 and the casted cement can lead to corrosion of embedded w...

Iron sulfide scale is a common scale in sour oil and gas wells. It can form in wells producing oil and gas, as well as water injection wells. Iron sulfide scale has different forms based on the iron-to-sulfur ratio. Iron sulfide scale can form in soft forms that are removed easily by acids such as phyrrotite. The scale can also form in hard forms s...

A new adsorbent CO2-ONE for removal of acidic gases such as carbon dioxide and hydrogen sulfide was developed from hydrothermal reaction of natural limestone with natural kaolin via sodium hydroxide. Several synthesis conditions were employed such as initial concentration of NaOH, weight ratio of limestone to kaolin, reaction temperature and pressu...

Different Cu-Zn/TiO2 catalysts were synthesized by using wet impregnation method. The prepared catalysts were employed for the conversion of CO2 into methane by photocatalysis. Various characterization techniques were used to observe the surface morphology, crystalline phase, BET surface area, presence of impregnated Cu and Zn, and functional group...

In this study, the activated carbon (AC) is synthesized from the oil fly ash (FA). Noncarbonaceous impurities were eliminated by acidic treatment of oil FA. Brunauer–Emmett–Teller and scanning electron microscopy energy-dispersive spectroscopy (SEM-EDS) analyses are used to characterize the AC. The AC is then mixed with TiO 2 in different concentra...

Catalytic hydrogenation of CO2 to CO and hydrocarbons is carried out over a wide range of catalysts. Group of VIIIB transition metals proved high conversion and selectively for CO and methane, however, low cost and effective catalysts are preferable especially in large industrial scale. In this work an experimental and thermodynamic analysis was ca...

A Ca/Na-aluminosilicate was synthesized from kaolin and limestone via the hydrothermal reaction and was used for CO2 capture from a gas stream. Synthesis was performed at several combinations of temperature, pressure, kaolinite to limestone mass ratio, and the reaction time. The products were characterized by determining the crystalinity, surface m...

A new CO 2 adsorbent is produced from waste oil fly ash (OFA). Ammonium hydroxide solution is used to convert OFA to activated carbon. Then, the product is used for the adsorption of CO 2 from a nitrogen/carbon dioxide (N 2 /CO 2 ) gas mixture. The OFA samples are characterized by several techniques. Chemical treatment of OFA considerably changed i...

The method to produce ultra-high-molecular-weight polyethylene (UHMWPE) incorporates tungsten-doped titania (TiO.sub.2/W) nanofiller during the ethylene polymerization process. The UHMWPE possesses improved mechanical and thermal properties. The process for producing the UHMWPE includes contacting ethylene under polymerization conditions with a pol...

Handout that help Student in Furnace & Fired Heater Design

Handout that help students for design of Heat Exchangers based on Kern's Method

A mesoporous activated carbon is produced from oil fly ash (OFA) using chemical and thermal treatments at different activation conditions. The ash samples were refluxed with a range of compositions of sulfuric, nitric, and phosphoric acids followed by thermal activation in a tubular reactor. The composition of the acids and the reaction temperature...

Oil fly ash (OFA) is treated by different mixtures of oxidizing agents; followed by either steam or CO2 activation. A setup is designed where steam generated at 8 bar and 300°C is injected through a long coil tubing which is kept with the OFA sample in an oven. The oven temperature is maintained at three different temperatures namely 330, 660, and...

Cu-aluminosilicate has been synthesized from kaolinite through a hydrothermal reaction. The reaction conditions are 15 bar, 200°C, 9 M NaOH and a kaolinite/limestone mass ratio of 0.3 is used. This material was impregnated with copper nitrate at ambient conditions, characterized and used for CO2 adsorption and conversion to hydrocarbons. X-ray diff...

A pure nanocomposite photocatalyst was prepared from WO3/TiO2 using a modified sol–gel technique. The prepared material was characterized using XRD, SEM, BET and XPS. XRD results revealed the presence of anatase, rutile and tungsten oxide with a mass ratio of rutile to anatase of 58.1:41.9. SEM and XPS results demonstrated that the prepared nanocom...

Adsorption of SO2 onto Jordanian zeolitic tuff (ZT) was examined in this work. ZT samples were characterized by XRD, XRF, BET and TGA analyses. The sorption process was carried out in a fixed bed column at different operating conditions. The unique measuring technique, namely UIC sulfur coulometer, for SO2 measurement was adopted in this work. Upta...

Combustion of heavy fuel oil at power generation facilities and desalination plants produce large quantities of heavy oil fly ash (OFA). Waste ash production is expected to increase with the increasing use of heavy or cracked oil as fuel in inefficient power generation facilities. Oil ash can pose a health hazard by affecting the respiratory system...

This study investigates the effect of two amine-based corrosion inhibitors in reducing the corrosion rate (CR) of 1018 carbon steel in formulated sea water. For discussion purposes, the two inhibitors are named Inhibitor A (belongs to the alkyl pyridine benzyl chloride quaternary family of inhibitors) and Inhibitor B (belongs to the alkyl amines fa...

A high surface area, microporous activated carbon was prepared from palm seeds using chemical and physical activation methods. Samples of powdered palm seeds were treated with different concentrations of phosphoric and nitric acid at 160°C, followed by physical activation using CO2 at 550°C. The Brunauer-Emmett-Teller surface area analysis of the c...

The ethylene/propylene copolymer nanocomposite is a copolymer prepared by inclusion of a filler of nanoparticles of titania doped with iron that permits control over, and variation of, the overall polymeric properties. Through the addition of the TiO2/Fe nanofiller, the concentration of polypropylene in the copolymer is increased and the overall cr...

The ethylene/propylene copolymer nanocomposite is a copolymer prepared by inclusion of a filler of nanoparticles of titania doped with iron that permits control over, and variation of, the overall polymeric properties. Through the addition of the TiO2/Fe nanofiller, the concentration of polypropylene in the copolymer is increased and the overall cr...

In the present study activated sludge has been utilized for removal of triadimenol pesticide from water. The maximum adsorption capacity was 42.9 mg triadimenol per gram activated sludge obtain at 298 K. The equilibrium data were fitted to Langmuir and Freundlich models and found that Freundlich model best fit these data with regression coefficient...

The carbon dioxide adsorbent composition relates to a material that will adsorb carbon dioxide gas from the atmosphere and that is made by the treatment of oil fly ash with ammonium hydroxide. In order to make the carbon dioxide adsorbent, oil fly ash is first mixed with ammonium hydroxide. This mixture is then refluxed and cooled. Additional ammon...

The method of making high-density polyethylene with titania-iron nanofillers involves mixing a TiO2/Fe titania-iron nanofiller with a vanadium (III) complex bearing salicylaldiminato ligands polymerization catalyst in a reactor. The reactor is then charged with toluene and heated to a temperature of about 30° C. Following heating, ethylene is fed i...

Purpose The paper aims to report an experimental investigation of the effectiveness of an alkyl amine‐based inhibitor on the corrosion behavior of 1018 carbon steel in sea water . The adsorption equilibrium for this corrosion inhibitor on carbon steel was also investigated. The corrosion inhibitor was evaluated based on parameters such as inhibitor...