A mathematical model for simulation the removal of cadmium and chromium from groundwater using scrap iron and aluminum as permeable reactive barrier

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Faisal, Ayad A. H.Department of Environmental Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq (author)

A mathematical model for simulation the removal of cadmium and chromium from groundwater using scrap iron and aluminum as permeable reactive barrier

Article/chapterEnglish2022

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2022
Desalination Publications,2022
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:ltu-92552
https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-92552URI
https://doi.org/10.5004/dwt.2022.28483DOI

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Language:English
Summary in:English

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Subject category:art swepub-publicationtype

Notes

Validerad;2022;Nivå 2;2022-08-18 (hanlid);Funder: Taif University (grant no. TURSP-2020/49)
The present work is represented by the derivation of mathematical model and solving the model analytically using the method of separation of variables to describe the migration of the contaminant metal ions through a column packed with bed of permeable reactive barrier (PRB). The validity of the solution can be evaluated through the simulation of cadmium and chromium ions using scrap iron and/or aluminum by-products in the form of wastes that if not utilized to treat waste by waste can impose further burden over the ecosystem. Breakthrough curves proved that the increase of metal ions velocity will decrease the capturing of the ions; therefore, the distribu-tion coefficient and the retardation factor also decrease. Furthermore, the increase of barrier depth will increase the longevity of PRB because this will delay the migration of contaminant. A mathematical model has acceptable ability in the representation of experimental measurements with Nash-€“Sutcliff efficiency coefficients greater than 0.98. The longevity of the PRB was estimated for the field scale to be 210 and 250 d to produce contaminant effluent beyond 100 cm barrier matrix within the environmental permissible concentrations. Although groundwater velocity is highly variable, a proposed velocity of 0.25 cm/min which is assumed to be analogous to the groundwater velocity has revealed prolonged longevity of 7.02 y for the capture of chromium.

Subject headings and genre

NATURVETENSKAP Kemi Teoretisk kemi hsv//swe
NATURAL SCIENCES Chemical Sciences Theoretical Chemistry hsv//eng
TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Datorsystem hsv//swe
ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Computer Systems hsv//eng
Modeling
Zero-valent iron
Zero-valent aluminum
Groundwater contamination
Solute transport
Soil Mechanics
Geoteknik

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Rashid, Hayder M.Department of Environmental Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq (author)
Sharma, GauravCollege of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Nanshan District Key Lab. for Biopolymers and Safety Evaluation, Shenzhen University, Shenzhen 518055, P.R. China; International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan 173212, Himachal Pradesh, India; School of Life and Allied Health Sciences, Glocal University, Saharanpur, India (author)
Al-Ansari, Nadhir,1947-Luleå tekniska universitet,Geoteknologi(Swepub:ltu)nadhir (author)
Saleh, B.Mechanical Engineering Department, College of Engineering, Taif University, P.O. Box: 11099, Taif 21944, Saudi Arabia (author)
Department of Environmental Engineering, College of Engineering, University of Baghdad, Baghdad, IraqCollege of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Nanshan District Key Lab. for Biopolymers and Safety Evaluation, Shenzhen University, Shenzhen 518055, P.R. China; International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan 173212, Himachal Pradesh, India; School of Life and Allied Health Sciences, Glocal University, Saharanpur, India (creator_code:org_t)

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In:Desalination and Water Treatment: Desalination Publications259, s. 186-1961944-39941944-3986

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