Experimental Study of Iraqi Light Naphtha Isomerization over Ni-Pt/H-Mordenite

Halah M. Hussain; Abdulhaleem A.K. Mohammed

doi:10.31699/IJCPE.2019.4.10

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Publication Date

Mon Dec 30 2019

Journal Name

Iraqi Journal Of Chemical And Petroleum Engineering

Volume

20

Issue Number

4

DOI

10.31699/IJCPE.2019.4.10

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Experimental Study of Iraqi Light Naphtha Isomerization over Ni-Pt/H-Mordenite

Iraqi light naphtha isomerization

Nickel-Platinum over H-mordenite.

Halah M. Hussain

Abdulhaleem A.K. Mohammed

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Hydroisomerization of Iraqi light naphtha was studied on prepared Ni-Pt/H-mordenite catalyst at a temperature range of 220-300°C, hydrogen to hydrocarbon molar ratio of 3.7, liquid hourly space velocity (LHSV) 1 hr^-1 and at atmospheric pressure.

The result shows that the hydrisomerization of light naphtha increases with the increase in reaction temperature at constant LHSV. However, above 270 ⁰C the isomers formation decreases and the reaction is shifted towards the hydrocracking reaction, a higher octane number of naphtha was formed at 270 °C.

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Publication Date

Thu Sep 15 2022

Journal Name

Journal Of Baghdad College Of Dentistry

Dental Aerosol Hazard Prevention with Pre-procedural Antiseptic Mouthwashes (Comparative Study)

Dental Aerosol

Pre-Procedural Mouthrinse

Chlorhexidine Mouthwash

cetylpyridinium chloride

Colony Forming Units.

Wasnaa M

Nada J

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Background: One of the recommended methods for reducing aerosol contamination during the daily regular usage of high-speed turbine and ultrasonic scaling is the use of preprocedural mouth rinse. Several agents have been investigated as a preprocedural mouth rinse. Chlorhexidine significantly reduce the viable microbial content of aerosol when used as a preprocedural rinse. Studies have shown that cetylpridinum chloride (CPC) mouthwash is equally effective as chlorhexidine in reducing plaque and gingivitis. This study compared the effect of 0.07% CPC to 0.2% chlorhexidine gluconate (CHX) as preprocedural mouth rinses in reducing the aerosol contamination by high-speed turbine. Materials and Methods: 36 patients were divided into three gro

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Publication Date

Fri Mar 31 2017

Journal Name

Al-khwarizmi Engineering Journal

Comparative Study for Organic and Inorganic Draw Solutions in Forward Osmosis

Ahmed Faiq

Talib Rashid

Hadeer Kadhim

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The present work aims to study forward osmosis process using different kinds of draw solutions and membranes. Three types of draw solutions (sodium chloride, sodium formate, and sodium acetate) were used in forward osmosis process to evaluate their effectiveness with respect to water flux and reverse salt flux. Experiments conducted in a laboratory-scale forward osmosis (FO) unit in cross flow flat sheet membrane cell. Three types of membranes (Thin film composite (TFC), Cellulose acetate (CA), and Cellulose triacetate (CTA)) were used to determine the water flux under osmotic pressure as a driving force. The effect of temperature, draw solution concentration, feed and draw solution flow rate, and membrane types, were studied with

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Publication Date

Wed Aug 19 2020

Journal Name

International Journal Of Research In Social Sciences And Humanities

HUMOUR IN THE AMERICAN AND BRITISH COMEDYEPISODES: A DISCOURSE ANALYSIS STUDY

Bushra

...Show More Authors

DBNRAAK Mohammed, International Journal of Research in Social Sciences and Humanities, 2020

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Publication Date

Sun May 22 2022

Journal Name

Webology

Change and Strategic Planning for Quality in Universities: An Analytical Study

Change

Organizational Change

Strategic Planning

Reengineering

Comprehensive Quality Management.

Muna Hayder abdualjabbar

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This research aims to analyse the problem of organizations in general and universities in particular, in dealing with �quality subjects� in a world where these organizations face the risks of becoming side lined and possibly vanished without looking for solutions that allow them to move in an open arena where change becomes the key to those solutions. Change here must be strategic and planning must adopts a way for organizations to develop mechanisms to manage change itself. Management leaders play a central role in achieving the principle required to chart new trends for universities in dealing with quality as a strategy that allows excellence and competition in light of the success of the processes of change. Change through reengineer

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Publication Date

Fri Mar 15 2019

Journal Name

Journal Of The College Of Education For Women

Eyes Drugs and Treatment at Ibn al –Haytham: A Historical Study

Ibn Al-Haytham

drugs

optics

Zainab Kamel Kareem

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Ibn al-Haytham is the pioneer of optics, which is a science that had described optics circumstances. Optics or landscape science as it was known by the Arab and Muslim scientists at the time when is a science known as the conditions of sighters in their quantity and quality as the proximity and distance from the beholder , the different forms , conditions and what mediate between the beholder and the microscopes , to explain useful knowledge of what obscures the sight of the conditions of sighters and is used to measure the space Distant criminality and mirrors.

Ibn al-Haitham wrote his famous book The Book of Mirrors and studied mistakes adopted the m

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Publication Date

Mon Jan 02 2017

Journal Name

Al-academy

Style and the jump in industrial product design - a comparative study

Nawal

Ahmed

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Find cares studying ways in the development of industrial products and designs: the way the progressive development (how typical) and root development (jump design), was the aim of the research: to determine the effectiveness of the pattern and the jump in the development of designs and industrial products. After a process of analysis of a sample of research and two models of contemporary household electrical appliances, it was reached a set of findings and conclusions including:1-leaping designs changed a lot of entrenched perceptions of the user on how the product works and its use and the size and shape of the product, revealing him about the possibilities of sophisticated relationships with the product, while keeping the typical desi

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Publication Date

Sat Jan 01 2022

Journal Name

Materials Research Express

Thermochromic and opacity behaviors in vanadium dioxide nanofilms: a theoretical study

Ikhlas H

Nidhal M

Shaymaa Q

Moafak C

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Abstract<p>Vanadium dioxide nanofilms are one of the most essential materials in electronic applications like smart windows. Therefore, studying and understanding the optical properties of such films is crucial to modify the parameters that control these properties. To this end, this work focuses on investigating the opacity as a function of the energy directed at the nanofilms with different thicknesses (1–100) nm. Effective mediator theories (EMTs), which are considered as the application of Bruggeman’s formalism and the Looyenga mixing rule, have been used to estimate the dielectric constant of VO<sub>2</sub> nanofilms. The results show different opacity behaviors at different w</p> ... Show More

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(2)

(1)

Publication Date

Mon Jan 01 2024

Journal Name

Anais Da Academia Brasileira De Ciências

Morphological study for Accipitrid birds (Accipitridforms, Accipitridae) in Iraq; part two

A part two of Accipitridae Family members that belong to three genera: Circus

Gyps

and Neophron were documented as morphometrics

distribution ranges

and conservation status were reviewed and comprehensively discussed. A total of 29 voucher specimens belong to six species which are conserved in the “Iraq Natural History Research Center and Museum INHM” as follow: Marsh Harrier Circus aeruginosus (Linnaeus

1758)

Hen Harrier Circus cyaneus (Linnaeus

1766)

Montagus Harrier Circus pygargus (Linnaeus

1758)

Pallid Harrier Circus macrourus (Gmelin

1770)

Egyptian vulture Neophron percnopterus (Linnaeus

1758)

and Griffon vulture Gyps fulfus (Hablitz

1783). The results revealed significant criteria about near threatened NT species IUCN and Birdlife International listed as Pallid Harrier Circus macrourus

and Endangered (EN) species as Egyptian vulture Neophron percnopterus globally decreasing population trend.

HIND D.

KHALIDA I.

AFKAR M.

SUHAD Y.

...Show More Authors

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Publication Date

Thu Mar 01 2012

Journal Name

Journal Of Economics And Administrative Sciences

Indicative supervision on the monetary business organizations (Banks) Case study: Iraq

الإشراف الإشرافي

: Supervisory supervision

محمود

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Indicative supervision represents the comparison between direct intervention (acquisition, nationalism) and participation through rules.

The last financial crisis reflected our needs for different approaches of supervision consist with our goals, but the crisis reveals also number of sounds requested and pressured toward direct control (Intervention via forces) through government acquisition and nationalization.

This study attempts to deal with crisis lessons, in the field of choice between indicative and direct supervision which government authorities used to reduce the bad effect on the monetary firms.

Iraqi banks suffered from high levels of direct co

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Publication Date

Wed Jun 01 2022

Journal Name

Journal Of Nursing Education

Compassion Competence Among Nursing Students From Different Cultures: A Multinational Study

Patience

Youngjin

Mohammed

Arcalyd

Mildred E.

...Show More Authors

Background:

Compassion competence is a nurse's ability to provide patient-centered care and communicate with patients in a sensitive and insightful manner. This descriptive cross-sectional survey study aimed to assess the compassion competence of a multinational group of nursing students.

Method:

A total of 1,158 undergraduate nursing students participated in this study, and stratified random sampling method was used to select participants from the 100 study level to the 400 or 500 level. Data were collected using the Compassion Competence Scale.

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