Kinetic Model for Solute Diffusion in Liquid Membrane Systems

Juan Abdul-Wahid O.  Al-Naisani; Eman T. Kareem; Yousif I.  AbuZaid; Taki A. Himdan

doi:10.21123/bsj.2016.13.2.2NCC.0048

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Publication Date

Sun Jun 05 2016

Journal Name

Baghdad Science Journal

Volume

13

Issue Number

2.2NCC

DOI

10.21123/bsj.2016.13.2.2NCC.0048

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Kinetic Model for Solute Diffusion in Liquid Membrane Systems

"kinetic model

diffusion

liquid membranes

mathematical model

solute diffusion in a LMS."

Juan Abdul-Wahid O. Al-Naisani

Eman T. Kareem

Yousif I. AbuZaid

Taki A. Himdan

...Show More Authors

In this study, a mathematical model for the kinetics of solute transport in liquid membrane systems (LMSs) has been formulated. This model merged the mechanisms of consecutive and reversible processes with a “semi-derived” diffusion expression, resulting in equations that describe solute concentrations in the three sections (donor, acceptor and membrane). These equations have been refined into linear forms, which are satisfying in the special conditions for simplification obtaining the important kinetic constants of the process experimentally.

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Publication Date

Wed Jul 27 2022

Journal Name

Journal Of Chemical Technology & Biotechnology

Broad‐ranging review: configurations, membrane types, governing equations, and influencing factors on microbial desalination cell technology

Hussein H

Ziad T

Mohanad J.

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AbstractSeawater might serve as a fresh‐water supply for future generations to help meet the growing need for clean drinking water. Desalination and waste management using newer and more energy intensive processes are not viable options in the long term. Thus, an integrated and sustainable strategy is required to accomplish cost‐effective desalination via wastewater treatment. A microbial desalination cell (MDC) is a new technology that can treat wastewater, desalinate saltwater, and produce green energy simultaneously. Bio‐electrochemical oxidation of wastewater organics creates power using this method. Desalination and the creation of value‐added by‐products are expected because of this ionic mov ... Show More

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Fri Mar 31 2017

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Removal of Ni(II), Pb(II), and Cu(II) from Industrial Wastewater by Using NF Membrane

Ahmed H.

Yossor R.

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This article reviews the technical applicability of nanofiltration membrane process for the removal of nickel, lead, and copper ions from industrial wastewater.

Synthetic industrial wastewater samples containing Ni(II), Pb(II), and Cu(II) ions at various concentrations (50, 100, 150 and 200 ppm), under different pressures (1, 2, 3 and 4 bar), temperatures (10, 20, 30 and 40 ^oC), pH (2, 3, 4, 5 and 5.5), and flow rates (1, 2, 3 and 4 L/hr), were prepared and subjected treated by NF systems in the laboratory. Suitable NF membrane was chosen after testing a number of NF membranes (University of Technology-Baghdad), in terms of production and removal. NF system was capable of removing more than (85%, 78%, and 66% for Ni(II

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Publication Date

Sun Mar 01 2020

Journal Name

Baghdad Science Journal

Eyewitnesses’ Visual Recollection in Suspect Identification by using Facial Appearance Model

Active Appearance Model

Facial Morphology

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Facial recognition has been an active field of imaging science. With the recent progresses in computer vision development, it is extensively applied in various areas, especially in law enforcement and security. Human face is a viable biometric that could be effectively used in both identification and verification. Thus far, regardless of a facial model and relevant metrics employed, its main shortcoming is that it requires a facial image, against which comparison is made. Therefore, closed circuit televisions and a facial database are always needed in an operational system. For the last few decades, unfortunately, we have experienced an emergence of asymmetric warfare, where acts of terrorism are often committed in secluded area with no

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Mon May 04 2020

Journal Name

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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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Sat Jan 01 2022

Journal Name

Journal Of The Mechanical Behavior Of Materials

A spherical fuzzy AHP model for contractor assessment during project life cycle

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Kadhim Raheim

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AbstractMeasurement of construction performance is essential to a clear image of the present situation. This monitoring by the management team is necessary to identify locations where performance is exceptionally excellent or poor and to identify the primary reasons so that the lessons gained may be exported to the firm and its progress strengthened. This research attempts to construct an integrated mathematical model utilizing one of the recent methodologies for dealing with the fuzzy representation of experts’ knowledge and judgment considering hesitancy called spherical fuzzy analytic hierarchy process (SFAHP) method to assess the contractor’s performance per the project performance pa ... Show More

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Publication Date

Thu Dec 01 2016

Journal Name

Journal Of Economics And Administrative Sciences

Use the le'vy Model on stock returns for some Iraqi banks estimate

: Brownian motion

subordinate

Brownian subordinate

Normal Inverse Gaussian model (NIG)

الحركة البراونية

الأحداثي الجزئي

الأحداثي الجزئي ذو الحركة البراونية

أنموذج معكوس كاوس الطبيعي .

مناف يوسف

مريم جمعة

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In this article we study a single stochastic process model for the evaluate the assets pricing and stock.,On of the models le'vy . depending on the so –called Brownian subordinate as it has been depending on the so-called Normal Inverse Gaussian (NIG). this article aims as the estimate that the parameters of his model using my way (MME,MLE) and then employ those estimate of the parameters is the study of stock returns and evaluate asset pricing for both the united Bank and Bank of North which their data were taken from the Iraq stock Exchange.

which showed the results to a preference MLE on MME based on the standard of comparison the average square e

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Publication Date

Tue Sep 09 2014

Journal Name

Iosr Journal Of Mathematics (iosr-jm)

An Efficient Shrinkage Estimator for the Parameters of Simple Linear Regression Model

Muna D

Abbas N

Aseel H

Alaa M

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Sun Sep 01 2013

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Improved undetected error probability model for JTEC and JTEC-SQED coding schemes

Wameedh N.

K.

S. J.

Fakhrul Z.

Yehea I.

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The undetected error probability is an important measure to assess the communication reliability provided by any error coding scheme. Two error coding schemes namely, Joint crosstalk avoidance and Triple Error Correction (JTEC) and JTEC with Simultaneous Quadruple Error Detection (JTEC-SQED), provide both crosstalk reduction and multi-bit error correction/detection features. The available undetected error probability model yields an upper bound value which does not give accurate estimation on the reliability provided. This paper presents an improved mathematical model to estimate the undetected error probability of these two joint coding schemes. According to the decoding algorithm the errors are classified into patterns and their decoding

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