Corrosion Inhibition of Mild Steel by Curcuma Extract in Petroleum Refinery Wastewater

Aprael S. Yaroa; Kabas F. Talib

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Publication Date

Tue Sep 30 2014

Journal Name

Iraqi Journal Of Chemical And Petroleum Engineering

Volume

15

Issue Number

3

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Corrosion Inhibition of Mild Steel by Curcuma Extract in Petroleum Refinery Wastewater

Corrosion

oil industry

Steel

Curcuma extract

Aprael S. Yaroa

Kabas F. Talib

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The inhibitor property of curcuma longa L. extract in different concentrations of simulated refinery wastewater (0.05% - 2% wt) and at various temperatures (30, 35 and 40 ˚C) was investigated using weight loss method. The results showed that the presence of about 1.2 % (v/v) of curcuma extract gave about 84% inhibition indicating its effectiveness on mild steel corrosion in simulated refinery wastewater, besides the adsorption process on the mild steal surface obeyed the Langmuir adsorption isotherm.

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Publication Date

Mon Sep 23 2024

Journal Name

Journal Of Inorganic And Organometallic Polymers And Materials

Quaternary Biocomposite of Chitosan-Polyvinyl Alcohol/Food Grade Algae/ Montmorillonite Clay for Cationic Methyl Violet 2B Dye Removal: Optimization and Desirability Functions

Muna Sarhan

Ali H.

Ahlam M.

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Publication Date

Mon Dec 05 2022

Journal Name

Baghdad Science Journal

Heavy Metal Complexes of 1, 2, 3-Triazole derivative: Synthesis, Characterization, and Cytotoxicity Appraisal Against Breast Cancer Cell Lines (MDA-MB-231)

Bioassay

Ligand chelates complexes

MDA cell line

Methoxy Group

Toxicity

Triazol

Jihan Hameed

Mahasin F.

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New chelating ligand derived from triazole and its complexes with metal ions Rhodium, Platinum and Gold were synthesized. Through a copper (I)-catalyzed click reaction, the ligand produced 1,3-dipolar cycloaddition between 2,6-bis((prop-2-yn-1-yloxy) methyl) pyridine and 1-azidododecane. All structures of these new compounds were rigorously characterized in the solid state using spectroscopic techniques like: ¹HNMR, ¹³CNMR, Uv-Vis, FTIR, metal and elemental analyses, magnetic susceptibility and conductivity measurements at room temperature, it was found that the ligand acts as a penta and tetradentate chelate through N₃O₂, N₂O₂, and the geometry of the new complex

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Publication Date

Wed Mar 04 2020

Journal Name

Frontiers In Plant Science

Suppression of Arabidopsis Mediator Subunit-Encoding MED18 Confers Broad Resistance Against DNA and RNA Viruses While MED25 Is Required for Virus Defense

Nasser K.

Layla J.

Edina

James

Emily

Swaminathan

Peer M.

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(8)

Publication Date

Thu Aug 08 2024

Journal Name

Journal Of Inorganic And Organometallic Polymers And Materials

Schiff-Base System of Glutaraldehyde Crosslinked Chitosan-Algae-Montmorillonite Clay K10 Biocomposite: Adsorption Mechanism and Optimized Removal for Methyl Violet 2B Dye

Muna Sarhan

Ahlam M.

Ali H.

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(5)

Publication Date

Thu Jan 25 2024

Journal Name

Biomedical Materials

Enhancing the therapeutic potential of curcumin: a novel nanoformulation for targeted anticancer therapy to colorectal cancer with reduced miR20a and miR21 expression

Israa Al-Ogaidi

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AbstractCurcumin (Cur) possesses remarkable pharmacological properties, including cardioprotective, neuroprotective, antimicrobial, and anticancer activities. However, the utilization of Cur in pharmaceuticals faces constraints owing to its inadequate water solubility and limited bioavailability. To overcome these hurdles, there has been notable focus on exploring innovative formulations, with nanobiotechnology emerging as a promising avenue to enhance the therapeutic effectiveness of these complex compounds. We report a novel safe, effective method for improving the incorporation of anticancer curcumin to induce apoptosis by reducing the expression levels of miR20a and miR21. The established ... Show More

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(4)

Publication Date

Wed Aug 31 2022

Journal Name

Al-kindy College Medical Journal

Assessment of Awareness And Knowledge among Medical Students Regarding Radiation Exposure from Common Diagnostic Imaging Procedures: Radiation exposure awareness among medical students

Radiation exposure

Medical students

diagnostic imaging

Qays Ahmed

Ali Shaker

Ali Abbas

Mustafa Hakim

Abd-alrazak Mohammed

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Objective: to assess the awareness and knowledge of our medical students regarding dose levels of imaging procedures and radiation safety issues, and to conclude how the curriculum of clinical radiology in the college medical program impacts such knowledge.

Subjects and methods: this is a cross-sectional study conducted among 150 medical students in Alkindy College of Medicine between January 2021 to July 2021, regardless of their age or gender. The study included six grades according to the year 2020-2021. A questionnaire consisting of 12 multiple-choice questions was conducted via an online survey using Google Forms. The questions were divided into two parts

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(2)

Publication Date

Sun Jan 01 2023

Journal Name

Materials Science In Semiconductor Processing

A dual S-scheme g-C3N4/Fe3O4/Bi2WO6/Bi2S3 heterojunction for improved photocatalytic decomposition of methylene blue: Proposed mechanism, and stability studies

Aya A

Abeer I.

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Publication Date

Tue Nov 25 2025

Journal Name

Inorganic Chemistry Communications

Synthesis, spectroscopic and single-crystal analysis, and DFT studies of N₂O₂ diamine coordination complexes: solvent-driven geometry switching and NLO properties

Tetradentate N2O2 ligand

Diamine-based complexes

X-ray crystallography

Solvent-driven geometry transformation

DFT studies

Nonlinear optical properties

Baidaa

Mohamad

Jasim

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The design of coordination compounds with solvent-responsive optical properties remains a central challenge in molecular photonics. Here, we describe the synthesis and full characterisation of a symmetrical tetradentate diamine ligand, 3,3′-((1,2-phenylenebis(azanediyl))- bis(methanylylidene))bis(pentane-2,4-dione) (H₂L), and its neutral square-planar complexes [M(L)] (M(II) = Co, Ni, Cu). The Cu(II) complex crystallised as [Cu(L)]⋅0.5 (pyrazine), adopting a nearly square-planar geometry (τ₄ = 0.06) in the solid state, as confirmed by single-crystal X-ray diffraction. In DMSO solution, UV–Vis spectra revealed reversible axial coordination of two solvent molecules, driving a transformation to a distorted octahedral geometry. Struc

Publication Date

Mon May 04 2020

Journal Name

Offshore Technology Conference

Hydrate Equilibrium Model for Gas Mixtures Containing Methane, Nitrogen and Carbon Dioxide

gas hydrate

cavity

equilibrium condition

flow assurance

modeling & simulation

hydrate equilibrium condition

upstream oil & gas

cage occupancy

hydrate

gas mixture

Dhifaf Jaafar

Omar

Stefan

Maxim

Callum

Ahmed

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AbstractGas hydrate formation is considered one of the major problems facing the oil and gas industry as it poses a significant threat to the production, transportation and processing of natural gas. These solid structures can nucleate and agglomerate gradually so that a large cluster of hydrate is formed, which can clog flow lines, chokes, valves, and other production facilities. Thus, an accurate predictive model is necessary for designing natural gas production systems at safe operating conditions and mitigating the issues induced by the formation of hydrates. In this context, a thermodynamic model for gas hydrate equilibrium conditions and cage occupancies of N2 + CH4 and N2 + CO4 gas mix ... Show More

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(7)

Publication Date

Thu Mar 18 2010

Journal Name

Spe Projects, Facilities & Construction

Correlating Optimum Stage Pressure for Sequential Separator Systems

separation and treating

PVT measurement

optimization problem

Upstream Oil & Gas

Phase Behavior

objective function

optimum stage pressure

GOR

Artificial Intelligence

Mohammed S.

Omar

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SummaryA study to find the optimum separators pressures of separation stations has been performed. Stage separation of oil and gas is accomplished with a series of separators operating at sequentially reduced pressures. Liquid is discharged from a higher-pressure separator into the lower-pressure separator. The set of working separator pressures that yields maximum recovery of liquid hydrocarbon from the well fluid is the optimum set of pressures, which is the target of this work.A computer model is used to find the optimum separator pressures. The model employs the Peng-Robinson equation of state (Peng and Robinson 1976) for volatile oil. The application of t ... Show More

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