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

Fri May 01 2020

Journal Name

European Journal Of General Dentistry

Effect of plant-extract disinfectant solutions on the specific properties of reinforced maxillofacial silicone elastomers with nanofiller and intrinsic pigment

Cosmesil M511 silicone

disinfectant agent

mechanical property

Salvadora Persica L.

VST50F silicone

Faiza

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Abstract<p> Objective This study aimed to evaluate the effects of disinfectant solutions, namely, the alcoholic extract of Salvadora persica L. (A1 = 10% and A2 = 15%) and chlorhexidine digluconate (A3 = 2%), on the tear strength and hardness of room temperature vulcanizing (RTV) VST50F and heat temperature vulcanizing (HTV) Cosmesil M511 silicone elastomers before and after reinforcement with nanofillers (TiO2) and intrinsic pigment. Materials and Methods: A total of 320 specimens were prepared, with 160 specimens each for RTV and HTV silicone. Forty specimens were evaluated before disinfection and divided into two equal groups, namely, control (without additive) and experimental (with ad</p> ... Show More

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Publication Date

Fri Sep 01 2023

Journal Name

Journal Of Medicine And Life

Potential anti-obesity effects of two-graded doses of Iraqi <i>Hibiscus tiliaceus</i> leaves extract, alone and in combination with orlistat, on high-fat diet-induced obesity in male rats

Saba

Shihab

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Publication Date

Sat Dec 01 2018

Journal Name

Engineering And Technology Journal

Comparison between the Biological Activity of Agaricus bisporus Fruiting Bodies and Albizzia lebbeck Leaves Extract against Different Pathogenic Microoganisms

Israa

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Publication Date

Sun Jan 01 2017

Journal Name

Brazilian Journal Of Analytical Chemistry

Determination of insecticides in different commercialformulations by Gradient HPLC

H igh Performance Liquid Chromatography

Thiamethoxam

Imidacloprid

Indoxacarb

and Abamectin.

Bahaa

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A simple, accurate and rapid method for separation and determination of most commonly usedinsecticides in Iraq [thiamethoxam (Thi), imidacloprid (Imi), indoxacarb (Ind), and abamectin (Aba)] ispresented. The separation was performed by gradient reversed-phase high performance liquidchromatography on a C18 stationary phase column. The method was developed and validated. The-1mobile phase was a mixture of acetonitrile and water using gradient flow. The flow rate was 1.0 mL min .The optimum temperature of separation was 25 ºC. The detection was performed at multiple wavelengths.The analysis time was up to 10.5 minutes with retention times of 3.221, 3.854, 6.385, and 9.452 min for-1the studied insecticides. The linearity was in the range of 0.

Publication Date

Sat Apr 01 2017

Journal Name

2017 International Conference On Environmental Impacts Of The Oil And Gas Industries: Kurdistan Region Of Iraq As A Case Study (eiogi)

Inverse fluidized bed for chromium ions removal from wastewater and produced water using peanut shells as adsorbent

Najwa Saber

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(1)

Publication Date

Wed Feb 01 2023

Journal Name

Chemical Engineering Research And Design

Nickel removal from simulated wastewater using a novel bio-electrochemical cell with packed bed rotating cylinder cathode

Zahraa A.

Ali H.

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Publication Date

Sun Jun 01 2025

Journal Name

Chemical Engineering And Processing - Process Intensification

Wastewater treatment through a hybrid electrocoagulation and electro-Fenton process with a porous graphite air-diffusion cathode

Ziad T.

Osama F.

Ali H.

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(8)

Publication Date

Sun Jun 01 2025

Journal Name

Chemical Engineering And Processing - Process Intensification

Wastewater treatment through a hybrid electrocoagulation and electro-Fenton process with a porous graphite air-diffusion cathode

Ziad T.

Osama F.

Ali H.

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(8)

Publication Date

Sun Jun 01 2025

Journal Name

Chemical Engineering And Processing - Process Intensification

Wastewater treatment through a hybrid electrocoagulation and electro-Fenton process with a porous graphite air-diffusion cathode

Ziad T.

Osama F.

Ali H.

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(8)

Publication Date

Sun Dec 01 2019

Journal Name

Al-khwarizmi Engineering Journal

An Experimental Study on Electrochemical Grinding Parameters on Hardness and Material Removal Rate for Stainless Steel 316

Abdullah J.

Abbas F.

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Electrochemical Grinding (ECG) process is a mechanically assisted electrochemical process for material processing. The process is able to successfully machine electrically conducting harder materials at faster rate with improved surface finish and dimensional control. This research studies the effect of applied current, electrolyte concentration, spindle speed and the gap between workpiece and tool on hardness and material removal rate during electrochemical grinding for stainless steel 316. The characteristic features of the electrochemical grinding process are explored through Taguchi-design-based experimental studies. The better hardness can be obtained at 10 A of the current, 150 g/l of the electrolyte concentration, 0.3 mm of gap an

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