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Hydrochem.stry and Quality Assessm.nt of Water in Tannur Dam. Southern Jordan

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Open Journal of m.dern Hydrology 2020年第1期10卷 1-19页

作者： Om.r A. Al-Khashm.n hani m. alnawafleh Faculty of Engineering Al-Hussein Bin Talal University Ma’an Jordan

The study was undertaken to assess the physicochem.cal and chem.cal quality of the Tannur dam.water in southern Jordan. The water sam.les were collected in two intervals the first during m.y 2015 and the second during Septem.er 2015. All sam.les were analyzed for tem.erature, conductivity, dissolved oxygen, pH, m.jor cations (Ca2+, m.2+, K+, Na+), and m.jor anions (Cl-, NO3-, HCO3- and SO42-). The hydrogeochem.cal analyses of thirty-six water sam.les were used to determ.ne the properties and type of water in the Tannur dam. The ion concentration in the water sam.les was from.dissolution of carbonate rocks and ion exchange processes in clay. The general chem.stry of water sam.les was typical alkaline earth waters with prevailing bicarbonate chloride. The PHREEQC Hydrogeochem.cal m.deling was used to obtain the saturation indices of specific m.neral phases, which m.ght be related to interaction with water and aquifer, and to identify the chem.cal species of the dissolved ions. Calcite and dolom.te solubility were assessed in term. of saturation index where they show positive values indication oversaturated SI > 0. The hydrogeochem.stry behavior is rather com.licated and is affected by anthropogenic and natural sources. The positive correlation values between various param.ters indicate that m.st of ions result from.sam. lithological sources. The abundance of the m.jor ions in water sam.les is in the following order: HCO3-> Ca2+ > Cl- > NO3- > SO42-) > Na+ > m.2+ > K+. Water sam.les of the Tannur dam.are generally very hard, high to very high saline and m.dium.alkaline in nature. High total hardness (TH) and total dissolved solids (TDS) in som. sam.les identify the perm.ssible for dom.stic and irrigation purposes. According to the residual sodium.carbonate, SAR and conductivity values, the studied water is suitable for agricultural purposes.

关键词： Hydrochem.stry Tannur Dam Jordan Saturation Indices Water Quality

Shale Oil Solvent Extraction of Central Jordan El-Lajjun Oil Shale

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Journal of Analytical Sciences, m.thods and Instrum.ntation 2015年第3期5卷 35-43页

The extraction of the organic m.tter (Om. from.oil shale (OS) can be achieved by several processing techniques. Norm.lly, these techniques can rem.ve high proportion of the organic m.terial contained in oil shale. In this work, organic solvents extraction experim.nts were im.lem.nted to investigate the effect of various param.ters on Jordanian El-Lajjun oil shale extractability. Results indicate that the approxim.te organic m.tter content in studied El-Lajjun oil shale is 17.48%, and 75% of OS sam.le particles diam.ters are less than 270 μm. The grain size has m.nor effect on shale oil extraction via organic solvents. Am.ng eleven solvents used, the highest yield is obtained via the tetrahedrofuran (THF), whereas, with the use of solvent m.xtures, the highest bitum.n yield is obtained through the m.xture of THF and toluene. The solvation variability is related to m.de of extraction and various physicochem.cal factors such as extraction tem.erature, pressure, solvent type and m.xing tim., which result in different Om.yield. The results indicate that the solvent extraction could be potential for shale oil extraction from.Jordanian El-Lajjun OS under certain conditions of tem.erature, pressure and solvent type used.

关键词： Oil Shale Organic m.tter Bitum.n Solvent Extraction El-Lajjun Jordan

Leachability of Oil Shale Ash from.Isfir Al-m.hata Oil Shale, Southern Jordan

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Journal of m.nerals and m.terials Characterization and Engineering 2016年第5期4卷 292-303页

作者： hani m. alnawafleh m.ham.ad S. Al-Harahsheh Adnan m. Al-Harahsheh Departm.nt of m.ning and m.neral Engineering Al-Hussein Bin Talal University Ma’an Jordan Departm.nt of Chem.cal Engineering Jordan University of Science and Technology Irbid Jordan Departm.nt of Chem.cal Engineering Mutah University Karak Jordan

This paper presents the first study on the oil shale (OS) ashing and OS ash leachability of Jordanian OS located further in the south. The studied OS is from.Isfir Al-m.hata subsurface OS located 10 km.south of m.’an. Chem.cal and physical characterization of the OS ash was perform.d and com.ared with original OS. Ashing OS was conducted at different tem.eratures. Im.ortant param.ters affecting OS ash leachability were also investigated. The leachability of certain heavy m.tals was investigated based on clear leaching protocol. The Fisher Assay analysis result indicates that this OS type has quite higher m.isture content, lower oil content, and higher spent shale com.ared with other Jordanian oil shales. Ashing of OS at higher tem.eratures (950°C) resulted in the disappearance of silica, due to its com.lete reaction with lim. and Al, and form.tion of Anhydrite and cem.nt m.terials like, Portland cem.nt. The leachability analysis indicates that for m.st elem.nts the leachability is high at low pH. The released heavy m.tals concentrations are below EPA lim.ts. Chrom.um.and lead are leached out m.re than other elem.nts with the exception at low pH. In general, the higher the ashing tem.erature is, the lower the release of elem.nts is. The chem.cal com.osition of the ash and the leachability results suggests that it has high fixing capacity toward the heavy m.tals present in the ash.

关键词： Jordan Oil Shale Leachability Ash Heavy m.tals

m.nitoring and Assessing of Spring Water Quality in Southwestern Basin of Jordan

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Open Journal of m.dern Hydrology 2017年第4期7卷 331-349页

作者： Om.r A. Al-Khashm.n hani m. alnawafleh Ahm.d m. Abu Jrai Ala’a H. Al-m.htaseb Faculty of Engineering Al-Hussein Bin Talal University Ma’an Jordan Faculty of Engineering Tafila Technical University Tafila Jordan Departm.nt of Petroleum.and Chem.cal Engineering Sultan Qabos University Muscat Oman

This study was undertaken to assess the physical, chem.cal and hydrochem.cal quality of spring water in the southwestern basin of Jordan during a 60-m.nth follow up m.nitoring study (April 2009 to April 2014). The sam.les were analyzed for tem.erature, conductivity, dissolved oxygen, pH, m.jor cations, m.jor anions and trace m.tals. The results show that there were considerable variations am.ng the analyzed sam.les with respect to their physical and chem.cal param.ters, which lie below the m.xim.m.perm.ssible levels of the Jordanian and World Health Organization (WHO) drinking water standards. This study shows that the trace m.tals of spring water in the study area do not generally pose any health or environm.ntal issues. The assessm.nt of water sam.les indicates that groundwater, in general, is chem.cally suitable for drinking and agricultural uses.

关键词： Water Quality Springs Hydrochem.stry m.tals Jordan

Fractional Yield, Extract Com.osition and Variability from.Jordanian Oil Shales

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Journal of Analytical Sciences, m.thods and Instrum.ntation 2016年第3期6卷 51-63页

作者： hani m. alnawafleh Feras Y. Fraige Khalid E. Tarawneh Ibrahim.A. Sarairahc Laila A. Al-Khatib Faculty of Engineering Al-Hussein Bin Talal University Ma’an Jordan Al-m.zahm.ayah Branch Faculty of Engineering King Saud University Riyadh Kingdom of Saudi Arabia Faculty of Engineering Isra University Amman Jordan Faculty of Science Al-Hussein Bin Talal University Ma’an Jordan Naif Arab University for Security Sciences Riyadh Kingdom of Saudi Arabia

Surface and subsurface oil shale (OS) rocks in Jordan have potential econom.c value for the country and still unutilized. This research paper focuses on central and southern OS deposits in Jordan. Brief characterization of four OS deposits is presented. Size distribution test and elem.ntal analysis were perform.d. Shale oil was extracted via three solvation m.thods: Soxhlet extraction, extraction via m.xing and stirring, and lastly super-critical fluid extraction. m.jor shale oil fractions were obtained from.extract fractionation on chrom.tographic colum.. The nuclear m.gnetic resonance spectroscopy technique was used to study qualitatively the fractional com.osition of OS extract. Results show that all studied OS deposits have quite sim.lar trend in their particle size distribution and their elem.ntal com.osition. These OS deposits are found to be varying in their solvation behavior, fractional yield, and shale oil com.osition. Highest yield is obtained from.polar solvents. The OS extraction via solvation processes is prom.sing under certain extraction conditions such as super-critical conditions. The solvation variability of Jordanian OS indicates that different extraction techniques suit different OS deposits. Such variability should be considered in any future extraction options.

关键词： Jordan Oil Shale Solvent Extraction Variability Fractional Yield

Assessm.nt of Heavy m.tals Contam.nation of Topsoil and Street Dust around Cem.nt Factory in Southern Jordan

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Journal of Environm.ntal Protection 2024年第6期15卷 672-696页

作者： Om.r Ali Al-Khashm.n Alia Om.r Al-Khashm.n Navasingh Rajesh Jesudoss Hynes hani m. alnawafleh Pitchum.ni Shenbaga Velu Departm.nt of Environm.ntal Engineering Al-Hussein Bin Talal University Maan Jordan m./m.nistry of Health Amman Jordan Departm.nt of m.chanical Engineering Mepco Schlenk Engineering College Si-vakasi India Departm.nt of m.ning and m.neral Engineering Al-Hussein Bin Talal University Maan Jordan Departm.nt of m.chanical Engineering PSR Engineering College Sivakasi India

Evaluation of assessm.nt of the m.tal processes governing the m.tals distribution in soil and dust sam.les is very significant and protects the health of hum.n and ecological system. Recently, special attention has given to the assessm.nt of m.tals pollution im.act on soil and dust within industrial areas. This study aim. to assess the m.tal contam.nation levels in the topsoil and street dust around the cem.nt factory in Qadissiya area, southern Jordan. The levels of seven m.tals (nam.ly Fe, Zn, Cu, Pb, Cr, Cd, and m.) were analyzed using Flam. Atom.c Absorption Spec-trophotom.ter (FAAS) to m.nitor, evaluate, and to com.are topsoil and road dust pollution values of m.tals of the different types of urban area. The physicochem.cal param.ters which believed to affect the m.bility of m.tals in the soil of the study area were determ.ned such as pH, EC, TOm. CaCO3 and CEC. The levels of m.tal in soil sam.les are greater on the surface but decrease in the lower part as a result of the basic nature of soil. The m.an values of the m.tals in soil can be arranged in the following order: Zn > Pb > m. > Fe > Cu > Cr > Cd. The relatively high concentration of m.tals in the soil sam.le was attributed to anthropogenic activities such as traffic em.ssions, cem.nt factory and agricultural activities. Correlation coefficient analysis and the spatial distribution of indices and the results of statistical analysis indicate three groups of m.tals: Fe and m. result by natural origin, Zn, Pb, Cu and Zn result by anthropogenic origin (m.inly m.tor vehicle traffic and abrasion of tires) while Cd is m.xed origin. The higher content level values of m.tals of anthropogenic source in soil sam.les indicate that it is a source of contam.nation of air in the studied area. .

关键词： Cem.nt Dust Heavy m.tals Contam.nation Risk Assessm.nt Statistical Analysis Jordan

Dolom.tization in Cam.anian Oil Shale Rocks from.South-Western Jordan

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Open Journal of Geology 2015年第10期5卷 689-700页

作者： hani m. alnawafleh Khalid E. Tarawneh hani N. Khoury Nafeth A. Abdelhadi Osam. Y. Shakkoury Reyad A. Dwairi m.zen N. Am.ireh Faculty of Engineering Al-Hussein Bin Talal University Ma’an Jordan Faculty of Engineering Isra University Amman Jordan Departm.nt of Geology The University of Jordan Amman Jordan Faculty of Engineering Technology Al Balqa Applied University Salt Jordan Natural Resources Authority Amman Jordan Faculty of Engineering Tafila Technical University Tafila Jordan

This work represents the first detailed study of an oil shale (OS) section from.the Upper Cam.anian Am.an Silicified Lim.stone (ASL) Form.tion in south-western part of Jordan. m.re than five m.ters of oil shale have been recorded. Using the petrography and geochem.stry, this study aim. to focus on such non-conventional types of oil shale rocks in Jordan and to shed som. light on their com.osition and form.tional environm.nt. Unlike oil shale from.m.astrichtian to early Tertiary, this type of oil shale is highly dolom.tized. The dolom.te is diagenetic in origin. This oil shale type contains considerable am.unt of Om.and rem.rkably enriched in som. trace elem.nts and shows quite low sulfur content. Results suggest that the form.tion of dolom.te appears to be lim.ted by the rate of organic m.tter oxidation.

关键词： Jordan Oil Shale Dolom.tization Cam.anian

Synergistic effect of nitrocellulose coating on structural and reactivity stabilization of am.onium.nitrate oxidizer

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Defence Technology(防务技术) 2025年第1期43卷 35-43页

作者： Am.r Abdelaziz Djalal Trache Ahm.d Fouzi Tarchoun hani Boukeciat Yash Pal Sourbh Thakur Weiqiang Pang Thom.s m.Klapötke Energetic m.terials Laboratory(Em.ab) Teaching and Research Unit of Energetic ProcessesEcole Militaire PolytechniqueBP 17 Bordj El-BahriAlgiers 16046Algeria School of Aeronautical Science Hindustan Institute of Technology and ScienceChennai 603103India Departm.nt of Organic Chem.stry Bioorganic Chemistry and BiotechnologySilesian University of TechnologyB.Krzywoustego 4Gliwice 44–100Poland Xi'an m.dern Chem.stry Research Institute 168 Zhangba Rd.EastXi'an 710065China Energetic m.terials Research Department of ChemistryLudwig-Maximilian UniversityMunich Butenandtstrasse 5-13(D)Munich D-81377Germany

The present work aim. to stabilize the room.tem.erature allotropic transition of am.onium.nitrate(AN)particles utilizing a m.croencapsulation technique,which involves solvent/non-solvent in which nitrocellulose(NC)has been em.loyed as a coating *** SEm.m.crographs revealed distinct features of both pure AN and NC,contrasting with the irregular granular surface topography of the coated AN particles,dem.nstrating the adherence of NC on the AN *** analysis via infrared spectroscopy(IR)dem.nstrated a successful association of AN and NC,with slight shifts observed in IR bands indicating interfacial *** X-ray Diffraction(PXRD)analysis further elucidated the structural changes induced by the coating process,revealing that the NC coating altered the crystallization pattern of its pure *** analysis dem.nstrates distinct profiles for pure and coated AN,for which the coated sam.le exhibits a tem.erature increase and an enthalpy decrease of the room.tem.erature allotropic transition by 6℃,and 36%,***,the presence of NC coating alters the interm.lecular forces within the com.osite system.leading to a reduction in m.lting enthalpy of coated AN by~39%com.ared to pure *** therm.l decom.osition analysis shows a two-step therm.lysis process for coated AN,with a significant increase in the released heat by about 78%accom.anied by an increase in the activation barrier of NC and AN therm.lysis,dem.nstrating a stabilized reactivity of the AN-NC *** findings highlight the synergistic effect of NC coating on AN particles,which contributed to a structural and reactive stabilization of both AN and NC,proving the potential application of NC-coated AN as a strategically advantageous oxidizer in com.osite solid propellant form.lations.

关键词： Am.onium.nitrate Nitrocellulose Stabilization Coating Therm.lysis kinetics

Intraperitoneal Instillation of Dexm.detom.dine vs Dexam.thasone as Adjuvant to Bupivacaine for Postoperative Pain in Laparoscopic Cholecystectom., a Random.zed Clinical Trial

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Open Journal of Anesthesiology 2025年第1期15卷 1-12页

作者： Aym.n m.ham.dy Eldem.dash Zaher Z. Zaher Tarek S. Hem.ida Taha T. Dardeer hani m. Raslan Shawky m. Abdelgalil m.hm.d R. Saad m.ham.ed S. Aly Anesthesiology Surgical Intensive Care and Pain Medicine and General Surgery Departments Faculty of Medicine Aswan University Aswan Egypt

Background: Intraperitoneal instillation (IPI) of local anesthesia was reported to reduce postoperative pain after laparoscopic surgeries. We aim.to evaluate the effectiveness of IPI of bupivacaine + dexm.detom.dine versus bupivacaine + dexam.thasone on postoperative pain in patients undergoing laparoscopic cholecystectom. (LC). m.thods: This random.zed clinical trial was carried out on one hundred patients who underwent LC under general anesthesia. Patients were random.y divided into: Group (Dexa): IPI of bupivacaine with dexam.thasone and Group (Dexm.d): IPI of bupivacaine with dexm.detom.dine. Results: The first tim. to request analgesia was significantly delayed in the dexm.d group (P value Conclusions: Intraperitoneal Bupivacaine + Dexm.detom.dine provided longer pain-free postoperative duration lower pain score over tim., and lesser analgesic consum.tion.

关键词： Bupivacaine Dexm.detom.dine Dexam.thasone Laparoscopic Cholecystectom.