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2026

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Path Planning Of Mobile Robot Using Improved Artificial Bee Colony Algorithm, Rkaa Kamil, Mohamed Mohamed, Bashra Oleiwi Aug 2026

Path Planning Of Mobile Robot Using Improved Artificial Bee Colony Algorithm, Rkaa Kamil, Mohamed Mohamed, Bashra Oleiwi

Engineering and Technology Journal

A modified version of the artificial Bee Colony Algorithm (ABC) was suggested namely Adaptive Dimension Limit- Artificial Bee Colony Algorithm (ADL-ABC). To determine the optimum global path for mobile robot that satisfies the chosen criteria for shortest distance and collision–free with circular shaped static obstacles on robot environment. The cubic polynomial connects the start point to the end point through three via points used, so the generated paths are smooth and achievable by the robot. Two case studies (or scenarios) are presented in this task and comparative research (or study) is adopted between two algorithm’s results in order to evaluate …

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Study Of The Influence Of Different Variables On Clathrate Practical Applications In Phenol Removal, Riyadh Al- Mukhtar, Shurooq Remedhan, Marwa Hussin Aug 2026

Study Of The Influence Of Different Variables On Clathrate Practical Applications In Phenol Removal, Riyadh Al- Mukhtar, Shurooq Remedhan, Marwa Hussin

Engineering and Technology Journal

In this work, effluent wastewater treated by using cyclopentane-water Clathrate system to treat water contaminates with phenols at concentrations (300, 250, 200, 150, 100 and 50) ppm in order to investigate the capability of process performance. Clathrate or hydrate are strong crystal structures including water (host particles) and little particles (guest particles). The experiments were conducted at different cyclopentane-water volume ratios (1: 2 and 1: 4). The work was done in a 250 ml glass cell with an electric mixer at a constant speed of 280 cycles per minute. Phenol was highest removal percent at 300ppm at 1: 4volume ratio …

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Experimental Study On Performance And Emission Characteristic Of Diesel Engine Using Sunflower Oil Biodiesel Blends, Ghassan Ali, Abed Al-Kadim Hassan Aug 2026

Experimental Study On Performance And Emission Characteristic Of Diesel Engine Using Sunflower Oil Biodiesel Blends, Ghassan Ali, Abed Al-Kadim Hassan

Engineering and Technology Journal

Biodiesel fuel is a liquid biofuel produced by chemical process form new and used phytogenic oils, animal fats. Biodiesel fuels can be utilization alone or mixing with the pure diesel at different proportion. In the present work a diesel engine type (FIAT) , four cylinder, variable speed, direct injection was operated by sunflower oil methyl ester , biodiesel at different blend ratio . five different ratio of biodiesel blends 10%, 20%, 30%, 40%, and 50% by volume is used in this study and compared with using of pure diesel at variable loads and variable engine speed. The effect of biodiesel …

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Experimental Investigation Of Thermodynamics, Kinetics, And Equilibrium Of Nickel Ion Removal From Wastewater Using Zinc Oxide Nanoparticles As The Adsorbent, Shurooq Remedhan Aug 2026

Experimental Investigation Of Thermodynamics, Kinetics, And Equilibrium Of Nickel Ion Removal From Wastewater Using Zinc Oxide Nanoparticles As The Adsorbent, Shurooq Remedhan

Engineering and Technology Journal

In the present study commercial zinc oxide (ZnO) nanoparticles in the size of 30 nm were utilized as an adsorbent for the removal of Ni (II) ion from synthetic waste aqueous solution. Adsorption capacity of ZnO for removing Ni (II) ions from aqueous solutions was measured at different pH, adsorbent dose, contact time, temperature and metal ion concentration. Moreover,  adsorption isotherms, kinetics and thermodynamics were studied to understand  the  nature  and  mechanism  of  adsorption. ZnO nanoparticles were characterized by X-Ray diffract analysis(XRD),Fourier Transform Infrared Spectroscopy(FT-IR), scanning electron microscopy (SEM),energy dispersive X-ray spectroscopy(EDS) and Brunauer-Emmett-Teller (BET). The maximum amount of Ni …

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Prediction The Influence Of Machining Parameters For Cnc Turning Of Aluminum Alloy Using Rsm And Ann, Hind Abdulridha, Aseel Helael, Ahmed Al-Duroobi Aug 2026

Prediction The Influence Of Machining Parameters For Cnc Turning Of Aluminum Alloy Using Rsm And Ann, Hind Abdulridha, Aseel Helael, Ahmed Al-Duroobi

Engineering and Technology Journal

The main objective of this paper is to develop a prediction model using Response Surface Methodology (RSM) and Artificial Neural Network (ANN) for the turning process of Aluminum alloy 6061 round rod. The turning experiments carried out based on the Central Composite Design (CCD) of Response Surface Methodology. The influence of three independent variables such as Cutting speed (150, 175 and 200 mm/ min), depth of cut (0.5, 1 and 1.5 mm) and feed rate (0.1, 0.2 and 0.3 mm/rev) on the Surface Roughness (Ra) were analyzed through analysis of variance (ANOVA). The response graphs from the Analysis of Variance …

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An Efficient Approach For Detecting And Classifying Moving Vehicles In A Video Based Monitoring System, Sajidah Mahmood, Laith Saud Aug 2026

An Efficient Approach For Detecting And Classifying Moving Vehicles In A Video Based Monitoring System, Sajidah Mahmood, Laith Saud

Engineering and Technology Journal

Moving objects detection, type recognition, and traffic analysis in video-based surveillance systems is an active area of research which has many applications in road traffic monitoring. This paper is on using classical approaches of image processing to develop an efficient algorithm for computer vision based on traffic surveillance system that can detect and classify moving vehicles, besides serving some other traffic analysis issues like finding vehicles speed and heading, tracking specified vehicles, and finding traffic load. The algorithm is designed to be flexible for modification to fulfill the changes in design objectives, having limited computation time, giving good accuracy, and …

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Engine Performance With Diesel-Biodiesel Blends Fuel And Emission Characteristics, Marwa Kareem, Adel Saleh Aug 2026

Engine Performance With Diesel-Biodiesel Blends Fuel And Emission Characteristics, Marwa Kareem, Adel Saleh

Engineering and Technology Journal

In this study, the sunflowers oil was utilized as for producing biodiesel via a chemical operation, which is called trans-esterification reaction. Iraqi diesel fuel suffers from high sulfur content, which makes it one of the worst fuels in the world. This study is an attempt to improve the fuel specifications by reducing the sulfur content of the addition of biodiesel fuel to diesel where this fuel is free of sulfur and has a thermal energy that approaches to diesel.20%, 30% and 50% of Biodiesel fuel were added to the conventional diesel. Performance tests and pollutants of a four-stroke single-cylinder diesel …

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Semi-Quantitative Risk Assessment In The Chemical Stores Of The University Of Technology, Baghdad, Iraq, Azhar Haleem Aug 2026

Semi-Quantitative Risk Assessment In The Chemical Stores Of The University Of Technology, Baghdad, Iraq, Azhar Haleem

Engineering and Technology Journal

Chemicals are used daily at the university, by its students or staff so it’s necessary to develop a chemical management system to protect their workers and students from accidents caused by exposure to chemicals of various forms, the present study explains the methodology for assessing the health effects and risks of exposure to chemicals in the chemical stores of University of Technology (UOT) by using semi- quantitative risk assessment technique depends on a descriptive analytical approach, by collecting the requested information for seven main stores within the university by questionnaire form included inquiries about personal information about employees, level of …

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Synthesis Of Some New Derivatives Of Pyrrolidine-2-One And Studying Their Antibacterial Potentials, Nadia Betti, Redha Hussain, Sahar Kadhem Aug 2026

Synthesis Of Some New Derivatives Of Pyrrolidine-2-One And Studying Their Antibacterial Potentials, Nadia Betti, Redha Hussain, Sahar Kadhem

Engineering and Technology Journal

New derivatives of pyrrolidine-2-one have been synthesized through lactamization of γ –butyrolactone (GBL) by hydrazine hydrate (80%), ethylene diamine and ethanol amine to afford compounds (1-aminopyrrolidin-2-one), (1-(2-aminoethyl)pyrrolidine-2-one) and (1-(2-hydroxyethyl)pyrrolidine-2-one), respectively. Compound (1-aminopyrrolidin-2-one) underwent several reactions to synthesize the rest of these derivatives. All synthesized compounds were approved by their FT-IR, 1H-NMR and some by Mass spectra. The biological activities of these derivatives were evaluated against Escherichia coli and Staphylococcus aureus. Many of these derivatives showed moderate biological activity against one or both kind of bacteria in comparison to amoxicillin and some showed no biological activity at all.

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Key Generation From Multibiometric System Using Meerkat Algorithm, Duha Salman, Raghad Azeez, Abdul Mohssen Hossen Aug 2026

Key Generation From Multibiometric System Using Meerkat Algorithm, Duha Salman, Raghad Azeez, Abdul Mohssen Hossen

Engineering and Technology Journal

Biometrics are short of revocability and privacy while cryptography cannot adjust the user’s identity. By obtaining cryptographic keys using biometrics, one can obtain the features such as revocability, assurance about user’s identity, and privacy. Multi-biometrical based cryptographic key generation approach has been proposed, subsequently, left and right eye and ear of a person are uncorrelated from one to other, and they are treated as two independent biometrics and combine them in our system. None-the-less, the encryption keys are produced with the use of an approach of swarm intelligence. Emergent collective intelligence in groups of simple autonomous agents is collectively termed …

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Characteristics Of Exhaust Emissions For A Diesel Engine Fuelled By Corn Oil Biodiesel And Blended With Diesel Fuel, Abdulrahman Mahmood, Haqi Qatta, Saadi Al-Nuzal, Talib Abed Abed Aug 2026

Characteristics Of Exhaust Emissions For A Diesel Engine Fuelled By Corn Oil Biodiesel And Blended With Diesel Fuel, Abdulrahman Mahmood, Haqi Qatta, Saadi Al-Nuzal, Talib Abed Abed

Engineering and Technology Journal

Environmentally friend biodiesel fuel from corn oil was tested in single-cylinder 4-stroke diesel engine operated. Three blends of fuels were prepared from corn oil and diesel fuel viz. 7, 15, and 20 % (designated as B7, B15, and B20, respectively). Tests were conducted on this engine using these blends at a constant speed (1500 rpm) and varying loads (0 % to 100 %). The emissions of carbon monoxide, carbon dioxide, unburned hydrocarbons, nitrogen oxides (NOX) and smoke opacity were measured. In all engine loads, results showed that the emission of CO, HC, and smoke emissions were reduced, while that of …

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Automatic Objects Detection And Tracking Using Fpcp, Blob Analysis And Kalman Filter, Hadeel N. Abdullah, Nuha H. Abdulghafoor Aug 2026

Automatic Objects Detection And Tracking Using Fpcp, Blob Analysis And Kalman Filter, Hadeel N. Abdullah, Nuha H. Abdulghafoor

Engineering and Technology Journal

Object detection and tracking are key mission in computer visibility applications, including civil or military surveillance systems. However, there are major challenges that have an effective role in the accuracy of detection and tracking such as the ability of the system to track the target and the response speed of the system in different environments as well as the presence of noise in the captured video sequence. In this proposed work, a new algorithm to detect moving objects from video data is designed by the Fast Principle Component Purist (FPCP). Then, we used an ideal filter that performs well to …

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Assessment Of Uranium In Urine Samples Of Primary School Students, Sahar Amin, Azhar Haleem Aug 2026

Assessment Of Uranium In Urine Samples Of Primary School Students, Sahar Amin, Azhar Haleem

Engineering and Technology Journal

The environmental monitoring of radon in the children urine has been carried out by using solid state nuclear track detector CR-39. This study has been undertaken for the purpose of health risk assessments. The concentration of uranium values excreted with the boy's urine samples ranged from 0.203 Bq.L-1 (1.246 ng/L) and 2.201 Bq.L-1 (13.486 ng/L) with an average value of 0.698 Bq.L-1 (4.007 ng/L). While the concentration of uranium values excreted with the girl's urine samples ranged between 0.290 Bq.L-1 (1.777 ng/L) and 0.675 Bq.L-1 (4.135 ng/L), with an average value of 0.474 Bq.L-1 (2.901 ng/L). The amount of uranium …

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In Vivo Effect Of Different Doses Of Silver Nanoparticles On The Seminiferous Tubules In Albino Rats: Histopathological Study, Ruqayah Salman, Abdulrahman Ali, Amenah Salman Aug 2026

In Vivo Effect Of Different Doses Of Silver Nanoparticles On The Seminiferous Tubules In Albino Rats: Histopathological Study, Ruqayah Salman, Abdulrahman Ali, Amenah Salman

Engineering and Technology Journal

The study aims to investigate the effects of silver nanoparticles (Ag NPs) on the seminiferous tubules in Albino rats. Several in vitro studies have been performed in different cell models, using various nanoparticles. Pure and spherical AgNPs with an average size of 30 nm, was injected into two groups of male albino rats (6 rats for each group) in different doses. Histopathological changes in testis tissues were showed a harmful effect of the silver nanoparticles, manifested by reducing the number of spermatogenic cells, and a decrease in the number of leyidg´s cells (group 1), and hypotrophy in seminiferous and enlargement …

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Design Pid Neural Network Controller For Trajectory Tracking Of Differential Drive Mobile Robot Based On Pso, Mohamed Mohamed, Mohammed Hamza Aug 2026

Design Pid Neural Network Controller For Trajectory Tracking Of Differential Drive Mobile Robot Based On Pso, Mohamed Mohamed, Mohammed Hamza

Engineering and Technology Journal

This paper introduces a nonlinear (Proportional-Integral-Derivative Neural Network) (PID NN) controller for a differential wheeled mobile robot trajectory tracking problem. This neural controller is built based on the principles of neural network (NN) and the equation of conventional structure of PID controller and is applied on kinematic model of the mobile robot. The particle swarm optimization algorithm (PSO) is utilized to find the best values of three PID NN parameters and connection weights that minimize the error between the reference path and the actual path. The results illustrate that the PID NN controller has a satisfied ability to make the …

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Toxic Effect Of Inhalation Polyurethane In Lungs, Liver, And Kidneys Fume In White Male Mice, Sura Ahmed, Amel Hussain Aug 2026

Toxic Effect Of Inhalation Polyurethane In Lungs, Liver, And Kidneys Fume In White Male Mice, Sura Ahmed, Amel Hussain

Engineering and Technology Journal

In this study, the toxic effect of exposure to inhalation of polyurethane resin fumes by White Male Mice was evaluated over 36 days. The study included the use of the inhalation method in an exposition room filled with the fume chemical to a period of 10, 20 and 40 minutes per day, and were then transferred to the fumigant section of the animal house. The organs of the mice was dissected, and the change of the weight determined. The lungs, liver, kidneys tissues of the exposed mice showed typical structural structures when compared with the control group. The liver cells …

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Modelling The Ecosystem Behavior Of Abu-Ziriq Marsh In South Of Iraq Under Different Water Discharges Scenarios, Fuaad Al-Yaseen, Mustafa Al-Mukhtar Aug 2026

Modelling The Ecosystem Behavior Of Abu-Ziriq Marsh In South Of Iraq Under Different Water Discharges Scenarios, Fuaad Al-Yaseen, Mustafa Al-Mukhtar

Engineering and Technology Journal

The marshlands are of fundamental importance to Iraq, a unique ecosystem providing local inhabitants with an essential source of habitat and livelihoods. This paper aims to study the ecosystem behavior of Abu-Ziriq Marsh in the south of Iraq under different scenarios using the Ecosystem Functions Model Program (HEC-EFM) and Hydrologic Engineering Center Data Storage System Visual Utility Engine (HEC-DSSVue). To this end, data was converted from tri-monthly and semi-monthly to daily data using the HEC-DSSVue program. The daily data natural(flow, stage) was used for five years between 2013 and 2018. The prediction process was evaluated using three criteria: correlation coefficient …

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A Compact Single-Feed Patch Antenna With Frequency And Polarization Diversity, Fayyadh Ahmed Aug 2026

A Compact Single-Feed Patch Antenna With Frequency And Polarization Diversity, Fayyadh Ahmed

Engineering and Technology Journal

A new compact single feed square ring patch antenna using meandered 4λ transformer is designed, for frequency and polarization diversity. The proposed antenna is constructed from a square ring patch antenna, and two orthogonal meandered cascaded 4λ transformer (OMCT), incorporated with six switches for frequency and polarization reconfiguration purposes. The OMCT with switches is necessary to get good impedance bandwidth (BW) and axial ratio bandwidth (ARBW) for circular polarization state. In addition, it utilized to excite the antenna at two orthogonal locations, with equal magnitude and quadratic in phase, for achieving circular polarization mode at resonant frequencies 2.44GHz, 4.7GHz, and …

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Assessing Water Quality For Al-Diwaniyah River, Iraq Using Gis Technique, Khalid Hussein, Sataa Al-Bayati, Salih A.A. Al-Bakri Al-Bakri Aug 2026

Assessing Water Quality For Al-Diwaniyah River, Iraq Using Gis Technique, Khalid Hussein, Sataa Al-Bayati, Salih A.A. Al-Bakri Al-Bakri

Engineering and Technology Journal

In this  study,  Al-Diwaniyah  River  within  Al-Diwaniyah  Governorate was monitored for a set of chemical, physical,and bacteriological parameters for the assessment of water quality during January to July 2018. Water quality maps for  this  river  were  plotted  torepresent  the  change  in  each  parameter  during  the study  period  using  GIS  program.  Three  sampling  stations  along  the  river  and eighteen parameters were selected: air temperature, water temperature, turbidity, pH  value,  electrical  conductivity  (EC),  biochemical  oxygen  demand  (BOD), dissolved oxygen (DO), alkalinity, chloride, Sulfate, total suspended solids (TSS), total  dissolved  solids  (TDS),  calcium,  magnesium,  total  hardness,  lead,  total coliform,and  Escherichia  coli  bacteria.  The …

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Enhanced Solution Of Inverse Kinematics For Redundant Robot Manipulator Using Pso, Hind Khaleel Aug 2026

Enhanced Solution Of Inverse Kinematics For Redundant Robot Manipulator Using Pso, Hind Khaleel

Engineering and Technology Journal

Kinematics of the robot is divided into two parts: the forwardkinematics, which evaluates the end-effector’s position from joint angles, and theinverse kinematics, which demonstrates the joint angles from the end-effector'sposition. The solution of the inverse kinematics problem is too difficult andcomplicated for the redundant robot arm manipulator. A Particle SwarmOptimization (PSO) algorithm is an effective method to solve global optimizationproblems. This paper presents the solution of inverse kinematics problem of athree-link redundant manipulator robot arm using PSO without using the inversekinematics equations. The circle, square and triangle generated trajectories usingPSO are enhanced as compared with the trajectories of other works. …

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Optimization Using Taguchi Method For Physical And Mechanical Properties Of Bio Mimicking Polymeric Matrix Composite For Orthodontic Application, Jenan Kashan Aug 2026

Optimization Using Taguchi Method For Physical And Mechanical Properties Of Bio Mimicking Polymeric Matrix Composite For Orthodontic Application, Jenan Kashan

Engineering and Technology Journal

This work take in consideration the application of Taguchi optimization methodology in optimizing the parameters for processing (composition, compounding pressure) and their effects on the output physical (Density and true porosity) properties and mechanical(fracture strength and microhardness) properties for the Nano HA,Al2O3 fillers reinforced HDPE hybrid composite material for orthodontic application. An orthogonal array of the Taguchi approach was used to analyses the effect of the processing parameters on the physical and mechanical properties. On the other hand, the surface roughness and particle size distribution were also calculated to study their effect on the output properties. The result shows that …

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E-Learning Applications In Engineering And The Project-Based Learning Vs Problem-Based Learning Styles: A Critical & Comparative Study, Hatim Abood Aug 2026

E-Learning Applications In Engineering And The Project-Based Learning Vs Problem-Based Learning Styles: A Critical & Comparative Study, Hatim Abood

Engineering and Technology Journal

The paper aims to critically review the learning styles and teaching methods of engineering curricula and to compare it with the requirements of engineering profession. Present engineers need to response effectively to the increasingly complex systems. The engineer has to deal with vector and scaler quantities, complex numbers, imaginary parts, electromagnetic fields, and complex constructions are designed and implemented in 3-Dimensions environment. This should be reflected in engineering education styles, where lecturers try to convey many aspects of complex systems. The purpose of engineering education is that to graduate engineers who can design and solve technical problems, and that design …

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Rubber Pad Sheet Metal Forming Of Round Metal Blanks Into Multi Shape Axisymmetric Cups By Fea And Experimental Methods, Karem Younis, Adnan Mohammed, Jalil Shukur Aug 2026

Rubber Pad Sheet Metal Forming Of Round Metal Blanks Into Multi Shape Axisymmetric Cups By Fea And Experimental Methods, Karem Younis, Adnan Mohammed, Jalil Shukur

Engineering and Technology Journal

Rubber-pad forming process of round sheet blanks into axisymmetric cups is studied by numerical and experimental approaches. In the experiments, round metal sheets are formed into the axisymmetric cups by pressing them between a rubber pad and a former block with desirable shape. To investigate influences of different parameters on the forming load, three former blocks with different shapes, blank material of low carbon steel (ST12) with thickness 0.5 mm ,three polyurethane rubber with different hardness (50,60 and 70) shore A and rubber pad having three different thickness (40,60 and 80) mm . ANSYS Workbench utilized to perform the numerical …

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Phytoremediation Of Heavy Metals(Cd, Cu, Fe, And Pb) By Using Aquatic Plants In Shatt Al-Arab River, Taha Al-Edani, Hayfaa Al-Tameemi, Zainab Jasim Aug 2026

Phytoremediation Of Heavy Metals(Cd, Cu, Fe, And Pb) By Using Aquatic Plants In Shatt Al-Arab River, Taha Al-Edani, Hayfaa Al-Tameemi, Zainab Jasim

Engineering and Technology Journal

The study conducted to evaluate the ability of some aquatic plants in absorption and accumulate some heavy metals (Cd, Cu, Fe, and Pb) in their tissues from contaminated water in two sites of Shatt Al-Arab River, Province of Basrah/Iraq. Water samples were collected from two sites one of them north of Basrah (Gurna) and the other from Sindbad island middle site of Shatt Al-Arab river. The chemical analysis had been performed to find out water quality. A laboratory experiment had been conducted by using three types of aquatic plants which were; Common Hornwort (Ceratophyllum demersum L., Common Reed (Phragmites australis …

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Heavy Metals Accumulation In Two Types Of Tree Leaves From Baghdad Urban Areas, Maha Mahmood, Athmar Al-Mashhady, Ali Ali Aug 2026

Heavy Metals Accumulation In Two Types Of Tree Leaves From Baghdad Urban Areas, Maha Mahmood, Athmar Al-Mashhady, Ali Ali

Engineering and Technology Journal

It is well known that environmental pollution by many heavymetals is a serious problem to the natural ecosystem due to their toxiceffects. Most heavy metals such as Cu, Mn, Fe, and Zn are needed byvarious organisms but at certain concentrations is very necessary forboth plants and animals. However, it has been suggested that ever greenplant trees can assist in controlling such pollution via various methodswhere one method is the ability of these plant trees to absorb heavymetals from contaminated soils. The current work was designed to assessCd, Mn and Pb plant content in two tree species (Eucalyptus sp. andAlbizia sp.) …

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Dna Fingerprints Of Two Tilapia Fish Species Of Euphrates River At Governorate Ofal-Muthanna Using Rapd Markers, Taha Al-Khafaji, Mustafa Ziyadi, Marwa Musad Aug 2026

Dna Fingerprints Of Two Tilapia Fish Species Of Euphrates River At Governorate Ofal-Muthanna Using Rapd Markers, Taha Al-Khafaji, Mustafa Ziyadi, Marwa Musad

Engineering and Technology Journal

During the last decade, tilapia species (Cichlidae: Teleostei) becamemembers of Iraqi fish fauna. They characterized with morphological similarity amonggenera and species. That makes species differentiation not easily. Molecular methodsfollowed to differentiate between redbelly tilapia Coptodon zillii (Gervais, 1848) andblue tilapia Oreochromis aureus (Steindachner, 1864) of the Euphrates River sectorat Al-Samawah city. RAPD-PCR method used to create the genetic fingerprints of twotilapia fish species. Seven decamer primers (OPA08, OPA10, OPA13, OPA17,OPA19, OPB08 and OPC02) used to amplify DNA fragments using PCR-RAPDtechnique. Forty-four bands scored after electrophoresis on 2% agarose gel alongwith molecular marker fragmented to each 100 base pair. The molecular …

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Removal Of Nitrate From Contaminated Groundwater Using Solar Membrane Distillation, Alaa Al-Fatlawi, Mohsen Karrabi, Ghassan Abukhanafer, Ahmed Al Samlan Al Samlan Aug 2026

Removal Of Nitrate From Contaminated Groundwater Using Solar Membrane Distillation, Alaa Al-Fatlawi, Mohsen Karrabi, Ghassan Abukhanafer, Ahmed Al Samlan Al Samlan

Engineering and Technology Journal

Nitrate contamination is worldwide water pollution posing a majorhealth hazard to human and animal life. Challenges are being faced to get freshwater for the areas having a low amount of usable water. This study aims toasses and evaluates the feasibility of removing nitrate from groundwater byusing cheap approaches. A pilot-scale solar distillation membrane filter, wasdesigned and constructed for this study, the set up was designed into twopartitions: i) water heater and ii) membrane distillation. The effect of severaloperating parameters such as feed and distillate temperature, nitrateconcentration, and pH, on water flux and nitrate removal efficiency, wasinvestigated. The results showed that …

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Isolation And Identification Of Ureolytic Bacteria Isolated From Livestock Soil To Improve The Strength Of Cement Mortar, Hussein Khadhim, Saad Ammar, Shahlaa Ebrahim Aug 2026

Isolation And Identification Of Ureolytic Bacteria Isolated From Livestock Soil To Improve The Strength Of Cement Mortar, Hussein Khadhim, Saad Ammar, Shahlaa Ebrahim

Engineering and Technology Journal

The aim of the present study is to isolate and recognize calciumcarbonate-producing bacteria and to check these bacterial strains for use incement mortar to improve its properties such as strength and water absorption.Bacteria were isolated from livestock soils were examined for urease producingactivity, the possibility to precipitate calcite and its activity to improve thecompressive strength. Based on the results, four isolates were selected andidentified. They were characterized as B. atrophaeus, B. subtilis, B. aryabhattaiand B. amyloliquefaciens. Experimental work was performed to evaluate theeffect of bacterial concentration in term of optical density (OD) on thecompressive strength. Bacterial cement mortar samples revealed …

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Hydrogeologic Sustainability And Mitigation Of Shallow Groundwater Against High Saline And Chemical Pollutants, Najah Al Maimuri, Arkan Ali, Abdulhadi Al-Sa’Adi, Mohammed Abed Abed Aug 2026

Hydrogeologic Sustainability And Mitigation Of Shallow Groundwater Against High Saline And Chemical Pollutants, Najah Al Maimuri, Arkan Ali, Abdulhadi Al-Sa’Adi, Mohammed Abed Abed

Engineering and Technology Journal

A hydrogeologic study has been adopted to conceptualize the concepts of groundwater levels lowering in swamped area of Tyass, middle of Iraq. 2D dimensional groundwater model and, mitigation model has been used to mitigate the aquifer against high salinity and chemical pollutants by the mitigation theory of heterogeneous subsurface media, which depends upon physical and mathematical derivation, evaluation of chemical pollutants and total dissolved salts (TDS) of subsurface water before and after mitigation process. The water table level was lowered up to 2.43m at the center of a pumping well of abstraction discharge (400m3/day) obtained after 2755days in steady state. …

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Effect Of Compost And Humic Acid On Potato Growth And Quality, Abbas Mijwel, Adel N. Abed Al-Redha Abed Al-Redha, Tarif Bresim Aug 2026

Effect Of Compost And Humic Acid On Potato Growth And Quality, Abbas Mijwel, Adel N. Abed Al-Redha Abed Al-Redha, Tarif Bresim

Engineering and Technology Journal

an experiment was carried out in Karbala on 10/9/2014 using the compost of palm residues at four levels (0, 20, 30, 40) tan.h-1 and the humic acid in three concentrations (0,1.5, 3)ml.L-1 to determine the effect of these factors and their interaction in growth and quality characteristics of potato and find organic fertilizer combination instead of chemical fertilizers. The addition of the compost of the residue palm has a significant and positive effect on all studied traits (Number of branches.plant-1, Plant height, percent of the dry weight of vegetative growth, percent of nitrogen, phosphorus and potassium in tubers, ratio of …

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