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2026

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The Influence Of Immersion In Different Chemical Solutions On The Mechanical And Physical Properties Of (Epoxy/Styrene-Butadiene Rubber) Blend Reinforced With Nano Copper Oxide, Rana Salih Aug 2026

The Influence Of Immersion In Different Chemical Solutions On The Mechanical And Physical Properties Of (Epoxy/Styrene-Butadiene Rubber) Blend Reinforced With Nano Copper Oxide, Rana Salih

Engineering and Technology Journal

The aim of this work was to evaluate some mechanical and physicalproperties of a composite material which consists of (epoxy/styrene-butadienerubber) blend as a matrix, reinforced with copper oxide (CuO) with a weightfraction 3%, and the composite material was manufactured by hand lay-up.The optimum mixing ratio was (75:25) % of epoxy and (SBR) was chosen toaccomplish the work due to its highest impact strength (2.1KJ/m2). The teststhat were performed on the material were: tensile test, impact test, thermalconductivity test, and the absorption test, in addition to the microscopicimaging using scanning electron microscope (SEM), to determine the surfacemorphology of the specimens. Sodium …

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Influence Of Spirals On The Behavior Of Short Rc Columns Strengthened By External Cfrp, Kaiss Sarsam, Raid Khalel, Mohammed Hadi Aug 2026

Influence Of Spirals On The Behavior Of Short Rc Columns Strengthened By External Cfrp, Kaiss Sarsam, Raid Khalel, Mohammed Hadi

Engineering and Technology Journal

An experimental study was carried out to investigate the behavior of normal strength reinforced concrete (RC) circular short columns strengthened by carbon fiber reinforced polymer (CFRP) sheets. Three series comprising total of (15) specimens were loaded to failure under axial concentric compression load. Strengthening was varied by changing CFRP strips number, spacing and wrapping methods. The finding of this research can be summarized as follows; for the columns without CFRP, the influence of the spiral pitch was significant: compared with 100 mm spiral pitch, dropping the spacing to 65 mm and 30 mm increased the load carrying capacity by 25% …

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Corrosion Inhibition Of Mild Steel In Hydrochloric Acid Solution By An Isatin-Aniline Compound, Khalida Al-Azawi Aug 2026

Corrosion Inhibition Of Mild Steel In Hydrochloric Acid Solution By An Isatin-Aniline Compound, Khalida Al-Azawi

Engineering and Technology Journal

Recently the researchers go to the eco-friendly corrosion inhibitors.In the present investigation, isatin which found in many plants, Isatis tinctoria,Calanthe discolor and Couroupita guianensis has been used as corrosioninhibitor. An isatin-aniline compound, namely ethyl 4-amino-N-(3-isatinyl)benzoate (AIB), was successfully synthesized in high yield and its inhibitionimpact on corrosion of MS (mild steel) in hydrochloric acid as corrosivesolution was examined via weight loss and Scanning electron microscopetechniques. The results acquired appeared that AIB has employ perfect as acorrosion inhibitor at low concentrations towards mild steel in HCl bath. Theimpact of temperature on the corrosion behavior of MS in corrosive bath withpresence of …

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Sensor Network Based Animals Feeding And Milk Production Management System, Zena Faris, Muayad Croock Aug 2026

Sensor Network Based Animals Feeding And Milk Production Management System, Zena Faris, Muayad Croock

Engineering and Technology Journal

In general, the animals’ feeding requires a lot of time and efforts spent by the cattlemen. Part of the feeding amount is consumed by the animal to save its life and the other part is considered for instrumental milk production. The type of food in addition to the number of feeding frequents are important factors in changing the amount of produced milk as well as the weight of an animal. In this paper, we propose a control system that manage the forage process and the amount of produced milk by determining the quantity and number of feeding animals using sensor …

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Entropy Generation Minimization Theoretical Analysis For External Flow Around Horizontal Cylinder At Low Reynold Number, Louay Mahdi Aug 2026

Entropy Generation Minimization Theoretical Analysis For External Flow Around Horizontal Cylinder At Low Reynold Number, Louay Mahdi

Engineering and Technology Journal

The minimization of entropy generation is a helpful method to design optimum thermal system, and find an expression for entropy generation at several ranges of Reynolds number for heat transfer and friction flow irreversibility is a good way to achieve this goal. This study deal with several ranges of Reynolds number that cover 0.1< Re< 40000 divided into four groups. A relation between optimum Reynolds number, entropy generation number, irreversibility distribution ratio, and Began number was obtained. In addition, a relation between the optimum Reynolds number and the duty parameter was obtained for all Reynolds number ranges.

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New Strategies For Associative Memories, Azad Kareem, Saja Talib Aug 2026

New Strategies For Associative Memories, Azad Kareem, Saja Talib

Engineering and Technology Journal

Associative memory is a neural network used to save collection of input and output data at its layers. Each output data is produced coincide with a given input. It can be useful as an artificial memory in many applications like (military, medical, data security systems, error detection and correction systems …etc.). There are two matters which limit the uses of associative memory; the limited storage capacity, and the error occurred in the reading of output data. A modified strategy is suggested to overcome these limitations by introducing a new algorithm to the design of the associative memory. This method provides …

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Stress Intensity Factor In Hollow Square Sections Using Extended Finite Element Method, Qusai Abdulwaha Aug 2026

Stress Intensity Factor In Hollow Square Sections Using Extended Finite Element Method, Qusai Abdulwaha

Engineering and Technology Journal

Hollow sections are extensively used in structural applications due to its good mechanical properties relative to weight. The presence of cracks in structural member may lead to catastrophic failure under different loading conditions. The presence of central crack in one side under tensile load is studied for different crack sizes (a/w) ranging from 0.1 to 0.8. The section is then investigated under bending moment for same crack size and geometry. The values of stress intensity factor (KI) were evaluated using Extended Finite Element Method (XFEM) and found very close between tensile and bending for same crack sizes but there was …

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Experimental Study For The Effects Of Crystalline Agents On Properties Of Glass-Ceramic Coating, Ibtihal Mhmood, Ahmed Zainulabdeen, Jabbar Mohmmed Aug 2026

Experimental Study For The Effects Of Crystalline Agents On Properties Of Glass-Ceramic Coating, Ibtihal Mhmood, Ahmed Zainulabdeen, Jabbar Mohmmed

Engineering and Technology Journal

In this work, four series of glass-ceramic coatings were developed and applied by using the dipping technique to cast iron sheets. The influence of different types of crystallization agents (Li2O, TiO2, ZrSiO4, and CaO.Al2O3.2SiO2) was investigated in relation to the mechanical features of the coatings. The resultant coating is characterized using X-ray diffraction analysis. The properties of micro-hardness and adhesion strength are evaluated using suitable standard tests. The X-ray analysis of resultant coatings showed the existence of some of crystalline phases formed depending on the type of the crystallization agent. The results also indicated that the coating properties were strongly …

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Frequency Reconfigurable Monopole Antenna Using Switchable Slotted Triangular Radiators, Fayyadh Ahmed, Bayez Al-Sulaifanie Aug 2026

Frequency Reconfigurable Monopole Antenna Using Switchable Slotted Triangular Radiators, Fayyadh Ahmed, Bayez Al-Sulaifanie

Engineering and Technology Journal

A new configuration of multi-state switchable wideband /multi-narrowband is demonstrated. The proposed antenna is based on a printed rectangular monopole antenna (PRMA) that covers wideband 3.3 GHz WiMAX frequency range. To generate a multi-state switchable antenna, center part of PRMA has been removed without distorting the PRMA behavior. Three PIN diode switches are used to control different operating modes. Eight-operating modes, 2n modes (n is number of switches) are achieved by setting the switches ON or OFF. Initial results were obtained by using short and open circuits instead of implanting PIN diode. The merit of the antenna design is that …

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Design And Analysis Of American Sign Language Classifier Based On N-Tuple Technique, Mahmuod Al-Muifraje, Thamir Saeed, Mosab Hassan Aug 2026

Design And Analysis Of American Sign Language Classifier Based On N-Tuple Technique, Mahmuod Al-Muifraje, Thamir Saeed, Mosab Hassan

Engineering and Technology Journal

This work consists of three stages: the first stage is the collection of data (images) for 26 letters alphabet, which is 1040 images, 40 for each class (letter). The second stage is the Preprocessing (segmentation, filtering, crop, convert to a binary image and feature extraction) and the last stage is the classy one. Two filters have been used median and wiener2 to treatment two types of noise; the salt and pepper and Gaussian noise respectively. The classification has been satisfied by using an n-tuple classifier algorithm is 93.8462%, while it is 93.2692% with salt and pepper noise. In this context, …

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Experimental Behavior Of Hybrid Steel And Polypropylene Fiber Reinforced Concrete Deep Beam Containing Openings, Nabeel Al-Bayati, Noor Hadi Aug 2026

Experimental Behavior Of Hybrid Steel And Polypropylene Fiber Reinforced Concrete Deep Beam Containing Openings, Nabeel Al-Bayati, Noor Hadi

Engineering and Technology Journal

Twelve simple span reinforced concrete deep beams were tested under symmetrically two points top load to examine the effect of steel fiber and polypropylene fiber and influence of the transverse circular openings on their behavior. The variables investigated involve beams with and without openings, the volume fraction of fibers, shear span to effective ratio a/d, and inclined reinforcement around the openings. All the beams had the same overall dimensions, flexural reinforcement and opening size. Many mixes have been used by combination between steel fibers and polypropylene fibers with different percentages of (1%SF-0%PPF), (0.75%SF-0.25%PPF), (0.5%SF-0.5%PPF), (0.25%SF-0.75%PPF), (0%SF-1%PPF) in addition to mix …

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Experimental Behavior Of Self Compacting Concrete Corbels Strengthened With External Cfrp, Sarmad Abdulqader, Basil Al-Shathr, Ali Hasan Aug 2026

Experimental Behavior Of Self Compacting Concrete Corbels Strengthened With External Cfrp, Sarmad Abdulqader, Basil Al-Shathr, Ali Hasan

Engineering and Technology Journal

This research aims to study the influence of using Carbon Fiber Reinforced Polymer (CFRP) strips as an external strengthened and repairing material on the behavior of self-compacting concrete (SCC) Corbels. The experimental work involved testing twenty self-compacting concrete corbels specimens. The experimental work is divided into two parts; the first part consists of three groups to investigate the most effective direction, position, bonding type and amount of CFRP strips on the behavior of corbels and utilized it in practice, also to strengthen new variables that are investigated in the second part. Two groups in part one are strengthened with different …

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Shear Strength Of Concrete Deep Beam Subjected To Uniformly Distributed Load, Eyal Sayhood, Ali Resheq, Ayad Habeeb Aug 2026

Shear Strength Of Concrete Deep Beam Subjected To Uniformly Distributed Load, Eyal Sayhood, Ali Resheq, Ayad Habeeb

Engineering and Technology Journal

In this paper, result of tests on 20 simply supported concrete deep beams are presented. All tested beams have dimensions of (150 x 400 x 1100) mm and tested under (1, 2, 4 and 8) point loads. The considered parameters are shear span to effective depth ratio (a/d), concrete compressive strength (fʹc) and longitudinal reinforcement ratio (ρw).The influence of these parameters on cracking and ultimate load, load versus deflection response and concrete strain are investigated.The results showed that the decrease in the (a/d) ratio from 1.373 to 0.412 leads to a decrease in cracking and ultimate shear strengths by average …

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Robust Visual Lips Feature Extraction Method For Improved Visual Speech Recognition System, Mahmuod Mahmmed, Thamir Saeed, Wissam Ali Aug 2026

Robust Visual Lips Feature Extraction Method For Improved Visual Speech Recognition System, Mahmuod Mahmmed, Thamir Saeed, Wissam Ali

Engineering and Technology Journal

Recently, automatic lips reading ALR acquired a significant interest among many researchers due to its adoption in many applications. One such application is in speech recognition system in noisy environment, where visual cue that contain some integral information added to the audio signal, as well as the way that person merges audio-visual stimulus to identify utterance. The unsolved part of this problem is the utterance classification using only the visual cues without the availability of acoustic signal of the talker's speech. By taking into considerations a set of frames from recorded video for a person uttering a word; a robust …

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Relationships Between Actual Compressive Strength, Modulus Of Elasticity And Non-Destructive Tests Of High Strength Concrete, Jasim Abd Aug 2026

Relationships Between Actual Compressive Strength, Modulus Of Elasticity And Non-Destructive Tests Of High Strength Concrete, Jasim Abd

Engineering and Technology Journal

The present research investigate with Nondestructive testing (NDT) of high strength concrete (HSC). An experiential work was carried out including both destructive and nondestructive test methods utilized to various concrete mixes with compressive strength ranged from 44 to 84.4MPa.Correlation curves were derived as pulse velocity and modulus of elasticity vs. compressive strength for high strength concrete. Two empirical relations were proposed for foretelling the modulus of elasticity Ec = 0.4141f`c + 8.6077, and compressive strengths fcu = 320.85ln (V) – 467.73 with a good coefficient of determination R2 for these equations 0.94and 0.90 respectively. Obtained from cubic and cylinders using …

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Workability Of Hybrid Fiber Reinforced Self-Compacting Concrete, Tareq Al-Attar, Samer Daoud, Anmar Dhaher Aug 2026

Workability Of Hybrid Fiber Reinforced Self-Compacting Concrete, Tareq Al-Attar, Samer Daoud, Anmar Dhaher

Engineering and Technology Journal

The aim of this work is to evaluate the effect of adding different types of fibers on the fresh properties of the self-compacting concrete, SCC. The used types of fibers were steel (with volume ratios of 0.75, 1.0 and 1.25 %) and polypropylene fibers (0.10 and 0.15 %) and a hybrid system of these fibers (0.65 % steel and 0.10 % polypropylene). The conducted tests in the fresh state were slump flow, T500, V-funnel and L-box. It was noticed that increasing the volume fraction of fibers would lead to decrease in the workability of SCC. According to EFNARC requirements for …

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Optimization Of Economic And Environmental Perspectives For Sustainable Product Design And Manufacturing, Luma Al-Kindi, Hala Al_Zuheri Aug 2026

Optimization Of Economic And Environmental Perspectives For Sustainable Product Design And Manufacturing, Luma Al-Kindi, Hala Al_Zuheri

Engineering and Technology Journal

Growing environmental concerns, coupled with public pressure and stricter regulations, are fundamentally impacting the way companies design and launch new products across markets. Companies are recognizing that implementing design and manufacturing for the environment in their product development process, provides opportunities for both improving the environmental aspects of a product and for enhancing the product competitiveness. Therefore, considering concurrently economic and environmental perspectives for decision-making during early stages of design and manufacturing are considered crucial to the product design process. In this paper, taking into account these perspectives, a framework in design and manufacturing of a new product is presented, …

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Design A Gray Water Treatment System For A Virtual Building Working By Solar Energy, Kheria Essa, Hashim Mahdi, Mohammed Mohammed Aug 2026

Design A Gray Water Treatment System For A Virtual Building Working By Solar Energy, Kheria Essa, Hashim Mahdi, Mohammed Mohammed

Engineering and Technology Journal

This work has showed that gray water can be used in irrigation with great success. It includes the explanation of how water recycling will save water for irrigation and agriculture use, reduce the costs of constructing purification plants, and add natural filters to the environment. It also aspires to invite companies to reduce the proportion of phosphate and other harmful substances in the composition of soap. In addition, it is possible to reduce the amount of suspended solids in a gray water by installing filters on the washing machines themselves, so that the volume of problems in the plankton is …

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Preparation, Characterization And Utilization Of Polyacrylamid-Kaolin Composite In The Removal Of Nickel Ions From Water, Mahmood Barbooti, Raghad Hilal, Balkees Al-Dabbagh Aug 2026

Preparation, Characterization And Utilization Of Polyacrylamid-Kaolin Composite In The Removal Of Nickel Ions From Water, Mahmood Barbooti, Raghad Hilal, Balkees Al-Dabbagh

Engineering and Technology Journal

A composite material of polymeric matrix Polyacrylamid (PAM) that is reinforced by a certified clay mineral of the Iraqi kaolinite at several weight ratios (10, 20, 30, 40 and 50%) was prepared by mixing the polymer water solution with the clay followed by hand molding method. Some of the mechanical properties of the prepared composite such as tensile strength, impact and hardness Shore A were studied to improve the mechanical capability to be as a sorbent for the removal of heavy metals from water.The results showed an improvement in the mechanical properties as the kaolin content was increased. The powdered …

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Analytical Characterization And Antimicrobial Activity Of Bismuth Nanoparticles Synthesized Using Laser Ablation Technique, Abdul Hadi Judran Aug 2026

Analytical Characterization And Antimicrobial Activity Of Bismuth Nanoparticles Synthesized Using Laser Ablation Technique, Abdul Hadi Judran

Engineering and Technology Journal

Bismuth nanoparticles were synthesized using laser ablation technique by focusing solid bismuth target in distilled deionized water by 1064 nm and 532 nm laser radiations generated by Q-switched pulsed Nd:YAG laser, respectively. Synthesized nanoparticles were characterized using UV–Vis spectrophotometer, X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), and Atomic Force Microscopy (AFM). The XRD pattern of the synthesized sample was indexed as. UV–Vis spectrophotometer indicated that the peak of absorption spectra of bismuth nanoparticles located in UV-region (230 nm) and increased towards IR region with increase laser energy and laser wavelength. SEM and TEM exhibited spherical shape …

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Seasonal Variation Of Residual Aluminum Concentration In Drinking Water, Layla Alwan, Ayat Mahdi Aug 2026

Seasonal Variation Of Residual Aluminum Concentration In Drinking Water, Layla Alwan, Ayat Mahdi

Engineering and Technology Journal

Data for aluminum concentration in Baghdad raw and drinking water have been taken from Baghdad Mayoralty for the period of the year (2005-2006) and for six water treatment plants (Al-Karkh, East Tigris, Al-Wathba, Al-Karama, Al-Qadisia and Al-Dora). The available data were analyzed by using statistical programs like (spss, statistica, grapher and excel) .Relation with water quality parameters was obtained like relation with pH and temperature. From the study the pH value was found to be ranged between (7.45-7.85) in supplied water for minimum aluminum residual. From the contour plot results show that an equation has been concluded which connect concentration …

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Ecological Risk Assessment Of Chromium Pollution In The Soil Of Industrial Area Within Baghdad City, Rawnaq Mahdi, Athmar Al-Mashhady Aug 2026

Ecological Risk Assessment Of Chromium Pollution In The Soil Of Industrial Area Within Baghdad City, Rawnaq Mahdi, Athmar Al-Mashhady

Engineering and Technology Journal

Thirty-five soil samples were collected from the Tanning Factory Industrial District within Baghdad city to investigate the soil pollution occur through four directions of the tanning plant. The soil samples exhibited high concentrations of Cr than the reported values of worldwide mean of unpolluted soils. The geoaccumulation index showed that the soil samples were moderately polluted by Cr at the north of the factory while the soil sample showed extremely polluted at the south and east of the factory. Moreover, the soil samples collected from west of the factory were strongly polluted. The result of the calculated enrichment factor (64.52-1075.22) …

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Ultrasonic Technique In Treating Wastewater By Electrocoagulation, Najem Al-Rubaiey, Mohammed Al-Barazanjy Aug 2026

Ultrasonic Technique In Treating Wastewater By Electrocoagulation, Najem Al-Rubaiey, Mohammed Al-Barazanjy

Engineering and Technology Journal

Electrocoagulation Treatment can be considered as a favorable tool for the removal of many pollutants of various forms of wastewater. These pollutants may include the removal of colloidal, the breaking-up of emulsions and heavy metals. This process consists of the disintegration of the anodes (usually iron or aluminum), exciting the creation of coagulant mixtures in wastewater. That will aid to coagulate contaminants and generate bubbles in favor of mixing and elimination of solids suspension by flotation. Recently, the arrangement of using this technique with other treatment tools has turned out to be an interesting subject leading to an improvement in …

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Environmental Impact Assessment For Brick Factory In Baghdad, Iraq, Saadi Al-Nuzal, Salih Al-Bakri, Sara Zankana Aug 2026

Environmental Impact Assessment For Brick Factory In Baghdad, Iraq, Saadi Al-Nuzal, Salih Al-Bakri, Sara Zankana

Engineering and Technology Journal

The environmental and social impacts of bricks factory based on the information's collected from old brick factories in Al-Nahrawan. This information includes water, air and soil sample analysis, community questionnaire, climate and topography of the region and standards to create model for modern brick factory. Practically the results of the analysis of soil pH, exceed the determinants of the WHO, while some cations such as Ca2+, Mg2+, Zn2+, Cr3+, Ni2+ , carbon content, and TDS were within the limit. High values for volatile organic compounds, PMs, TSP, NO2 and SO2 resulting from the combustion of the fuel used in the …

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Potential Of Ethylhexyl Ester Oil To Enhance Drilling Of Hthp Wellbores, Lina Jassim, Robiah Yunus, Suraya Abdul Rashid, Amar Salleh Salleh Aug 2026

Potential Of Ethylhexyl Ester Oil To Enhance Drilling Of Hthp Wellbores, Lina Jassim, Robiah Yunus, Suraya Abdul Rashid, Amar Salleh Salleh

Engineering and Technology Journal

Ester-based drilling fluids have been accepted as an alternative to mineral oils in drilling applications and currently being utilized to drill oil or gas wells around the world. However, the ester-based fluids have deficiencies that limit its ability to carry and transfer drilled solids, stabilize the wellbore and drill the extended reach wells. Several approaches have been considered to overcome the ester limitations. Thus, the main aim of this study is to overcome these limitations by developing the high performance ester-based green drilling fluids for deep and ultra-deep wells. The low-pressure technology was applied in the synthesis of the ester …

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The Role And Important Of Internet Of Things In Building Sustainable City, Nahla Alwan, Muna Al-Nuaimi Aug 2026

The Role And Important Of Internet Of Things In Building Sustainable City, Nahla Alwan, Muna Al-Nuaimi

Engineering and Technology Journal

Every year many people migrate from country to city to live there. This will load a big pressure on the whole living in the city, Baghdad city also suffer from this problem in addition to other found problems like energy consumption , waste accumulate , Traffic congestion, noise, environmental pollution. To offer a good sustainable future living to population without any damage to environment and to solve many problems , one can use internet of things which is the connection network of the things especially with high spread of networks now which Internet of things based on it .the purpose …

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Green Synthesis, Characterization And Antimicrobial Activity Of Titanium Dioxide Nanoparticles Using Laser Ablation Technique, Azhar Haleem, Ruaa Abbas, Abdulhadi Kadhim Aug 2026

Green Synthesis, Characterization And Antimicrobial Activity Of Titanium Dioxide Nanoparticles Using Laser Ablation Technique, Azhar Haleem, Ruaa Abbas, Abdulhadi Kadhim

Engineering and Technology Journal

Titanium dioxide nanaoparticles (TiO2 NPs) were prepared using laser ablation technique by ablation of titanium target immersed in distilled de-ionized water (DDW) by Q-switched pulsed Nd:YAG laser of 1064 nm, 1 Hz, (490) mJ and 700 pulse. UV-visible spectrophotometer and Transmission Electron Microscopy (TEM) were used to characterize the optical and morphological properties of prepared nanoparticles, respectively. The absorption spectrum of TiO2 NPs was at ultraviolet-region (214 nm) due to Surface Plasmon Resonance (SPR), and the particles size distribution of the prepared nanoparticles ranged from 30 to 100 nm. The antifungal activity ofTiOR2R NPs was carried out against Microsporum canis. …

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The Use Of Photocatalytic Cementitious Coatings To Reduce Nitric Oxide From Ambient Air, Ayat Hussian, Riyad Al Anbari, Maan Hassan Aug 2026

The Use Of Photocatalytic Cementitious Coatings To Reduce Nitric Oxide From Ambient Air, Ayat Hussian, Riyad Al Anbari, Maan Hassan

Engineering and Technology Journal

Titanuim dioxide represents a novel photocatalyst material that can be used in different ways for air pollutants remediation. Air pollutants that are spreaded in the surrounding air could be transferred to more complex materials, especially in the presence of sunlight. To study the possibility for the reduction of these pollutants a laboratory tests have been conducted on the coated specimen substrate by using nitric oxide as pollutant gas, and there efficiency in gas removal was monitored with time. Two different particle sizes of TiO2 have been used; micro with particle size range between 150-200 nm and nano PC105 with particle …

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Studying The Effect Of Ambient Temperature On Wastewater Degradation In Simulated Self-Purification Aerated Sewer System, Tala Al-Khateeb, Riyad Al-Anbari, Kareem Al-Jumaili Aug 2026

Studying The Effect Of Ambient Temperature On Wastewater Degradation In Simulated Self-Purification Aerated Sewer System, Tala Al-Khateeb, Riyad Al-Anbari, Kareem Al-Jumaili

Engineering and Technology Journal

Designing and operating a simulated gravity sewer system had been accomplished in the current research. The design had been provided with aeration system in order to deliver oxygen to microorganisms presented in sewage water. The system had been used in three different seasons in order to investigate the ambient temperature effect on treating wastewater. The results revealed that ambient temperature had a significant role in organic waste degradation powered by the presence of air into sewage pipes and level tanks. Maximum degradation measured in terms of chemical oxygen demand removal (RCOD) was recorded to be 14.28 under 30 OC ambient …

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Potential Of Alfalfa For Use In Phytoremediation Of Soil Polluted With Total Petroleum Hydrocarbons, Abdul Hameed Al-Obaidy, Riyad Al-Anbari, Sara Hassan Aug 2026

Potential Of Alfalfa For Use In Phytoremediation Of Soil Polluted With Total Petroleum Hydrocarbons, Abdul Hameed Al-Obaidy, Riyad Al-Anbari, Sara Hassan

Engineering and Technology Journal

Remediation technology is a promising technique decrease pollutant like hydrocarbons from the environment. An experimental work was made at green house of University of Technology in order to study the effect of crude oil on the vegetate growth and to measure the decrement which happened on shoot height, germination rate and the reduction of total petroleum hydrocarbon (TPH), which result, by this phytoremediation technique. The samples of soil were measured for TPH reduction and removal by Horiba model (oil content analyzer) OCMA–350. Five doses were used in this experiment (0 control, 10x103, 30 x103, 50 x103, 75 x103) (mg crude …

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