Synthesis and Characterization of Nanocrystalline Micro-Mesoporous ZSM-5/MCM-41 Composite Zeolite

Najwa Saber Majeed; Asir Abduljabbar Saleh

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Publication Date

Thu Mar 31 2016

Journal Name

Iraqi Journal Of Chemical And Petroleum Engineering

Volume

17

Issue Number

1

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Synthesis and Characterization of Nanocrystalline Micro-Mesoporous ZSM-5/MCM-41 Composite Zeolite

ZSM-5/MCM-41

Micro-Mesoporos

Nanocrystalline

Alkaline leaching

Composite molecular sieves.

Najwa Saber Majeed

Asir Abduljabbar Saleh

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Nanocrystalline micro-mesoporous ZSM/MCM-41 composite was synthesized using alkaline treatment method and two step of crystallization in poly tetraflouroethylene (PTFE) lined autoclave. The synthesized zeolites was characterized by X-Ray diffraction (XRD), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Atomic force microscopy (AFM), Fourier transport infrared (FTIR), and N₂ adsorption-desorption (BET). It was approved that the best results for alkaline leaching can be got with 1.5M NaOH solution. High surface (BET) area of 630 m²/g with pore volume of 0.55 cm³/g has been got. AFM reports showed a nano-level size for average particle size of 50nm.

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Publication Date

Sat Oct 01 2022

Journal Name

Environmental Advances

Stability and performance studies of emulsion liquid membrane on pesticides removal using mixture of Fe3O4Â nanoparticles and span80

The current study investigated the impact of nonionic surfactant span 80 in the existence of Fe3O4 magnetic nanoparticles on the emulsification of mixture of kerosene as petroleum based organic solvents and corn oil as a green diluent in the ratio 1:1

HCl was used as internal phase and the stability of the emulsion was carried out. The proposed Pickering emulsion liquid membrane has been exploited to investigate it is ability in the extraction of Abamectin pesticides from aqueous solution without utilizing carrier agent. Further

the effects of experimental parameters on extraction efficiency and emulsion stability such as

homogenizer speed

emulsification speed

contact time

Fe3O4-Span 80 ratios

HCL concentration

internal to membrane volume ratio (I/O) and pH of the external feed solution were carried out. The results showed that more than 99% of Abamectin could be extracted at 10 min contact time with a minimum breakage percent of 0.52% at the optimal conditions. The kinetic of the extraction were studied and the mass transfer coefficient was found to be for external phase () of 1.2

interfacial reaction rate constant () of 5.83 and the overall mass transfer coefficient () of 3.91 . The results of recyclability of the PELM revealed that the emulsion stability and extraction efficiency was nearly unchanged after three cycles.

Ahmed A.

Noor Q.

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Publication Date

Fri Jan 01 2021

Journal Name

International Journal Of Agricultural And Statistical Sciences

EFFECT OF IRRIGATION UNIFORMITY AND EFFICIENCY ON WATER CONSUMPTION, YIELD OF MAIZE USING DIFFERENT IRRIGATION AND CULTIVATION METHODS

Alaa S.

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Two field experiments were carried out for cultivating yellow maize crop Zea mays L. during the autumn planting season 2019 in two sites with soils of different textures. The first site is a loamy texture in one of the fields of the Medhatia Agriculture Division, Babylon Governorate. The second was silty loam by an alluvial mixture in one of the fields of Al-Nouriah Research Station, Ministry of Agriculture located in Al-Nouriah sub-district, Al-Qadisiyah governorate. It was found through the results that the uniformity, efficiency, and adequacy of the irrigation efficiency of the sprinkler irrigation method is better than that of the sprinkler irrigation method, and it ranged between (88.6-88.7) for uniformity and (84-86)% of the irrigatio

(16)

Publication Date

Mon Jan 01 2024

Journal Name

Kafkas Universitesi Veteriner Fakultesi Dergisi

Assessment of In-vitro Cytotoxicity and In-ovo Virucidal Antiviral Efficacy of Various Plant Extracts and Bioactive Molecules

Furkan Ozan

Seray

Ece

Karar Ali Mohammed Hasan

Fatih

Fethiye

İhsan

Ayşe

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Publication Date

Fri Apr 01 2022

Journal Name

International Journal Of Hydrogen Energy

Assessment of wettability and rock-fluid interfacial tension of caprock: Implications for hydrogen and carbon dioxide geo-storage

Bin

Nurudeen

Alireza

Stefan

Sarmad

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(160)

Publication Date

Tue May 01 2018

Journal Name

Journal Of Physics: Conference Series

Chaotic behaviour of the Rossler model and its analysis by using bifurcations of limit cycles and chaotic attractors

Kejeen

R K

F H

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The behaviour of certain dynamical nonlinear systems are described in term as chaos, i.e., systems' variables change with the time, displaying very sensitivity to initial conditions of chaotic dynamics. In this paper, we study archetype systems of ordinary differential equations in two-dimensional phase spaces of the Rössler model. A system displays continuous time chaos and is explained by three coupled nonlinear differential equations. We study its characteristics and determine the control parameters that lead to different behavior of the system output, periodic, quasi-periodic and chaos. The time series, attractor, Fast Fourier Transformation and bifurcation diagram for different values have been described.

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(31)

Publication Date

Tue Aug 08 2023

Journal Name

Pharmaceutical Sciences Asia

Sub-inhibitory doses of Ofloxacin reduce adhesion and biofilm formation of Pseudomonas aeruginosa to biotic and abiotic surfaces

Lubna Ali Abd

Ayaid Khadem

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Publication Date

Thu Apr 01 2021

Journal Name

Iop Conference Series: Earth And Environmental Science

Prospects of Sustainability and Planning of Cities (SPSC 2020).

K.H.

amer

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Abstract <bold>Prof. Dr Eng Kareem Hasan Alwan1, Dr.amer shakir alkinani1, Ahmed J. Obaid2 </bold> 1Center of Urban and Regional Planning, University of Baghdad, Iraq. 2Faculty of Computer Science and Mathematics, University of Kufa, Najaf, Iraq.E-Mails: 1kareem.h@iurp.uobaghdad.edu.iq ,dr.amerkinani@iurp.uobaghdad.edu.iq , 2ahmedj.aljanaby@uokufa.edu.iq ... Show More

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Publication Date

Sat Jan 01 2022

Journal Name

Journal Of Advanced Pharmacy Education And Research

Formulation and evaluation of mucoadhesive buccal tablet of Anastrozole

Mais Fadhil

Zainab Ahmed

Omar Saeb

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(7)

(6)

Publication Date

Wed Dec 15 2021

Journal Name

Journal Of Baghdad College Of Dentistry

Evaluation of Cytotoxicity and Biocompatibility of Ti2AlC in Rabbits

Bone healing

CPTi

Ti6Al7Nb

Ti2AlC

Osseointegration

Dental implant

Luma M

Raghdaa K

Ahmed

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Background: The Titanium and its alloys are suitable for dental implant and medical applications. Biocompatibility of the materials is a major factor in determining the success of the implant and has a great impact on their rate of osseointegration. The aim of this study was to evaluate the biocompatibility and cytotoxicity of Ti2AlC in comparison to CPTi & Ti6Al7Nb in rabbits. Materials and Methods: 10 male New Zealand White rabbits, weighing (2-2.5 kg), aged (10-12 months) were used in this study. Cylindrical implants were prepared from the study materials (CPTi, Ti6Al7Nb and Ti2AlC) with (8mm) height and (3mm) diameter for the evaluation of tissue response and disc specimens were prepared with (6 mm) diameter and (2 mm) thickness for ev

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(3)

Publication Date

Mon May 31 2021

Journal Name

Indian Journal Of Ecology

Identification and Antimicrobial Susceptibility Profiles of Salmonella spp. Isolated from Chicken Flocks and their Feed and Water in Karbala, Iraq

Salmonella spp

Broiler chicken

Layer chicken

Identification

Serotyping

Thamer Obaid

Inam Jasim

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The objective of study was determining the most prevalent Salmonella spp. and their antimicrobial susceptibility in broilers and laying chickens and their feed and drinking water in five chicken farms in Karbala, Iraq over the period from August to October 2020. A total of 289 samples, including 217 cloaca swabs, 46 water and 26 feed samples were collected. Salmonella spp. was identified firstly by routine diagnostic methods, followed by applying the API 20E kit, the Vitek2 system, and serology. There was significant differences in Salmonella prevalence among different types of samples, mainly cloaca swabs reported a high isolation rate (21.7%). In contrast, feed samples were completely free of contamination. The highest rate of isolation w

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