Photocatalytic removal of methylene blue dye by using of ZnS and CdS

Ruqaya Fouad Kadhim

doi:10.30723/ijp.v15i33.135

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Publication Date

Tue Jan 08 2019

Journal Name

Iraqi Journal Of Physics

Volume

15

Issue Number

33

DOI

10.30723/ijp.v15i33.135

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Photocatalytic removal of methylene blue dye by using of ZnS and CdS

Photocatalytic

methylene blue

ZnS

CdS.

Ruqaya Fouad Kadhim

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Photocatalytic degradation of methylene blue was studied using CdS and ZnS as catalyst. The photocatalytic activity of the specimen was studied by exposing to UV-radiation. The result shows that the degradation efficiency of the dye for CdS micro-particles was 92% after 7 hours and for ZnS micro-particles was 88.29% for the same time interval.

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Publication Date

Fri Aug 14 2020

Journal Name

Iop Conference Series: Earth And Environmental Science

Removal of Cadmium(II) ion from aqueous solutions by the outer layer of Onion

Taghreed

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Abstract<p>Cadmium element is one of the group IIB and classified as heavy metal and effects on human health and environment. The present work concerns with the biosorption of Cd(II) ions from aqueous solution using the outer layer of onions. Adsorption of the used ions was found to be pH dependent and maximum removal of the ions by outer layer of onions and was found to be 99.7%.</p>

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Publication Date

Fri Sep 25 2026

Journal Name

Journal Of Baghdad College Of Dentistry

Micro CT analysis of amount of dentin removal created by SAF vs. ProTaper systems

Diyar K

Hussain F

Raid F

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Background: Dentin removed during root canal system instrumentation for creating adequate geometry for the canal and cleaning the canal. A new instrument had been marketed with the aim of optimum shaping of all parts of the canal system, however, no information present about the amount of dentin removal compared to conventional rotary system. This study investigated the amount of dentin removal when the canal instrumented by SAF compared with ProTaper by using high resolution computed tomography (micro CT). Materials and Methods: Twenty extracted single canalled teeth were utilized for this study; and randomly divided into 2 groups. In the first group, the root canals were prepared by using protaper rotary system till F2 and the root canal

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Publication Date

Mon Jun 01 2020

Journal Name

Colloids And Surfaces A: Physicochemical And Engineering Aspects

Removal of antibiotic tetracycline using nano-fluid emulsion liquid membrane: Breakage, extraction and stripping studies

Ahmed A.

Mohammed A.

Maad A.

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Publication Date

Mon Apr 19 2021

Journal Name

Iraqi Journal Of Agricultural Sciences

TETRACYCLINE ANTIBIOTIC REMOVAL FROM AQUEOUS SOLUTION USING CLADOPHORA AND SPIRULINA ALGAE BIOMASS

I. N.

Mohanad

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Cladophora and Spirulina algae biomass have been used for the removal of Tetracycline (TC) antibiotic from aqueous solution. Different operation conditions were varied in batch process, such as initial antibiotic concentration, different biomass dosage and type, contact time, agitation speed, and initial pH. The result showed that the maximum removal efficiencies by using 1.25 g/100 ml Cladophora and 0.5 g/100 ml Spirulina algae biomass were 95% and 94% respectively. At the optimum experimental condition of temperature 25°C, initial TC concentration 50 mg/l, contact time 2.5hr, agitation speed 200 rpm and pH 6.5. The characterization of Cladophora and Spirulina biomass by Fourier transform infrared (FTIR) indicates that the presenc

(4)

Publication Date

Thu Dec 30 2004

Journal Name

Iraqi Journal Of Chemical And Petroleum Engineering

Oil Removal from Wastewater of Al-Bezerqan Crude Oil Fields by Air Flotation

Majid I.

Abouter T.H.

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Publication Date

Wed Jun 18 2014

Journal Name

Desalination And Water Treatment

Removal of zinc from contaminated groundwater by zero-valent iron permeable reactive barrier

Ayad A.H.

Talib R.

Salim H.

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(23)

(24)

Publication Date

Wed Dec 01 2021

Journal Name

Iraqi Journal Of Physics

Variation of pH and Composite Dosage on the Photocatalytic Activity for ZnO/epoxy Nanocomposites

ZnO nanoparticles

photocatalysis

Epoxy

PH

MB dye

Haneen Abass

Ban M.

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In this research, Zinc oxide (ZnO)/epoxy nanocomposite was synthesized by simple casting method with 2wt. % ZnO concentration. The aim of this work was to study the effect of pH and composite dosage on the photocatalytic activity of ZnO/ epoxy nanocomposite. Scanning electron microscopy (SEM) technique images proof the homogeneous distribution of ZnO nanoparticles in epoxy. A synthesized nanocomposite samples were characterized by Fourier Transform Infrared spectrometer (FTIR) measurements. Two spectra for epoxy and 2wt.% ZnO/epoxy nanocomposites were similar and there are no new bonds formed from the incorporation of ZnO nanoparticles. Using HCl and NaOH were added to Methylene blue (MB) dye (5ppm) to gat pH values 3 and 8. The degradat

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(1)

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

Wed Mar 01 2017

Journal Name

Superlattices And Microstructures

Enhanced photoelectrochemical performance of ZnO nanorod arrays decorated with CdS shell and Ag2S quantum dots

Asmaa Kadim

Zulkarnain

Zainal Abidin

Hong-Ngee

Chi-Chin

Sook-Keng

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(22)

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Publication Date

Mon Apr 01 2019

Journal Name

Materials Science In Semiconductor Processing

Synthesis and annealing process of ultra-large SnS nanosheets for FTO/SnS/CdS/Pt photocathode

SnS nanosheets

Photoelectrochemical properties

Water splitting..

Chuangsheng

Kefeng

Yongsheng

Omar Abdulsada

Meng

Jian

Jianming

Wangzhou

Gujin

Linjun

Yue

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SnS has been widely used in photoelectric devices due to its special band gap of 1.2-1.5 eV. Here, we reported on the fabrication of SnS nanosheets and the effect of synthesis condition together with heat treatment on its physical properties. The obtained band gap of the SnS nanosheets is in the rage of 1.37-1.41 eV. It was found that the photo-current density of a thin film comprised of SnS nanosheets could be enhanced significantly by annealing treatment. The maximum photo-current density of the stack structure of FTO/SnS/CdS/Pt was high as 389.5 mu A cm(-2), rendering its potential application in high efficiency solar hydrogen production.

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