Cement kiln dust-sand permeable reactive barrier for remediation of groundwater contaminated with dissolved benzene

Faisal, Ayad A.H.; Jasim, Hadeel Kareem; Naji, Laith A.; Naushad, Mu.; Ahamad, Tansir

doi:10.1080/01496395.2020.1746341

Cited by 14 publications

(7 citation statements)

References 42 publications

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“…CKD was also successfully utilized as a treatment agent in many fields, such as removing copper and zinc contamination from acidic groundwater [60], adding an improvement in aluminum metal matrix composites [61], benefiting municipal wastewater as an effective treatment agent [62], supporting pozzolanic material production as a sustainable solution [63], improving benzene-contaminated groundwater as a capable treatment material [64], inducing benefits to magnesium phosphate cement [65], and contributing to eliminate the hazard of groundwater contaminated by cadmium ions [66]. The utilization of CKD waste material as a treatment agent could provide a wide range of advantages in this field.…”

Section: Replacement For Cementmentioning

confidence: 99%

Cement Kiln Dust (CKD): Potential Beneficial Applications and Eco-Sustainable Solutions

2022

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Over many decades, cement has been the primary component in construction projects and is considered one of the essential industries worldwide. At the same time, it overconsumes natural resources and can negatively impact the environment through a few byproducts, such as carbon dioxide (CO2) and cement kiln dust (CKD). The generated quantity of CKD is estimated to be 15–20% of the produced cement, which means CKD can be induced in hundreds of millions of metric tons synchronously with annual global cement production. Unfortunately, not all materials of CKD are suitable for recycling in cement manufacturing since it contains high levels of alkalis, sulfate, and chloride, leading to excessive concentrations in the final product. Therefore, CKD industrial utilization has become highly recommended in recent research as a potential beneficial application from economic, environmental, and sustainability perspectives. This review paper highlights and discusses the recently conducted research articles that investigate the industrial applications of CKD. The obtained outcomes showed that CKD has physical and chemical properties that make it practical in many fields, such as soil stabilization, concrete mix, chemical treatment, ceramic and brick manufacturing, and mine backfill. They also indicate a lack of studies investigating CKD in mine backfill applications as a partial replacement material for cement due to the high cost of binders, optimization, and sustainability purposes.

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Section: Replacement For Cementmentioning

confidence: 99%

Cement Kiln Dust (CKD): Potential Beneficial Applications and Eco-Sustainable Solutions

2022

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“…The effectivity of the use of PRB of cement kiln dust as a reactive media in an acidic environment (pH 3) to remediate groundwater contaminated with dissolved benzene has been studied by [ 9 ]. Experiments were performed for 60 days with batch and column tests.…”

Section: Review Of Previous Research On the Use Of Prbsmentioning

confidence: 99%

“…The permeable reactive barrier (PRB) is proven as a promising technology for groundwater treatment by an interaction between the reactive material and the contaminant when the dissolved compounds migrate. In the permeable reactive barrier (PRB), water moves in a natural gradient, and no further energy is used to achieve the treatment [ 9 ]. The PRB is classified as in situ treatment, and the contaminant is transformed in the contaminated site into less toxic or immovable forms.…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Review for Groundwater Contamination and Remediation: Occurrence, Migration and Adsorption Modelling

et al. 2021

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The provision of safe water for people is a human right; historically, a major number of people depend on groundwater as a source of water for their needs, such as agricultural, industrial or human activities. Water resources have recently been affected by organic and/or inorganic contaminants as a result of population growth and increased anthropogenic activity, soil leaching and pollution. Water resource remediation has become a serious environmental concern, since it has a direct impact on many aspects of people’s lives. For decades, the pump-and-treat method has been considered the predominant treatment process for the remediation of contaminated groundwater with organic and inorganic contaminants. On the other side, this technique missed sustainability and the new concept of using renewable energy. Permeable reactive barriers (PRBs) have been implemented as an alternative to conventional pump-and-treat systems for remediating polluted groundwater because of their effectiveness and ease of implementation. In this paper, a review of the importance of groundwater, contamination and biological, physical as well as chemical remediation techniques have been discussed. In this review, the principles of the permeable reactive barrier’s use as a remediation technique have been introduced along with commonly used reactive materials and the recent applications of the permeable reactive barrier in the remediation of different contaminants, such as heavy metals, chlorinated solvents and pesticides. This paper also discusses the characteristics of reactive media and contaminants’ uptake mechanisms. Finally, remediation isotherms, the breakthrough curves and kinetic sorption models are also being presented. It has been found that groundwater could be contaminated by different pollutants and must be remediated to fit human, agricultural and industrial needs. The PRB technique is an efficient treatment process that is an inexpensive alternative for the pump-and-treat procedure and represents a promising technique to treat groundwater pollution.

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“…In plants, radical superoxide (O −2 ) is naturally generated during photosynthesis in chloroplasts, especially when plants develop under conditions of environmental stress. This prevents the photosynthetic processes and leads to absorb the light excessively (Faisal et al, 2020e;Nunes et al, 2019). Cephalexin can interact with the chain of electron transport, resulting in the production of oxidized chlorophyll triplets that directly transmit the energy to the oxygen molecules, which in turn have a double impact on the plant cells, oxidizing the biomolecules including lipids (structural components of the cellular membrane) Ramel et al, 2012).…”

Section: Cephalexin Initial Concentration Effectmentioning

confidence: 99%

Development of a grau model for simulating cephalexin residue removal from wastewater by using lemna minor

et al. 2021

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Removal of cephalexin residues from wastewater is one of the most concerned issues in treatment plants due to the growing of the antibiotics consumption level around the world. In this study, the impact of the initial concentration of cephalexin residues on its removability by lemna minor was investigated by developing a grau model accounting for the cephalexin initial pH value. In the model, the second-order kinetic constants of adsorption were linked linearly with the influent pH values. Results showed that using lemna minor along with phytoremediation process increased the removal efficiency value to 86.5% and dropped chemical oxygen demand (COD) to 0.012 mg/L in effluent, making the removability of cephalexin from the polluted water easier. In addition, it was found that changing the grau model kinetic constants linearly (positively or negatively) with pH affects the removal efficiency. Based on the results, the best removability can be noticed at the pH level of 7 with a value of 71%.

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Cement kiln dust-sand permeable reactive barrier for remediation of groundwater contaminated with dissolved benzene

Cited by 14 publications

References 42 publications

Cement Kiln Dust (CKD): Potential Beneficial Applications and Eco-Sustainable Solutions

Cement Kiln Dust (CKD): Potential Beneficial Applications and Eco-Sustainable Solutions

A Comprehensive Review for Groundwater Contamination and Remediation: Occurrence, Migration and Adsorption Modelling

Development of a grau model for simulating cephalexin residue removal from wastewater by using lemna minor

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