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Special Issue "Subsurface Multiphase Flow and Contamination Remediation"
Deadline for manuscript submissions: 20 May 2020.
Interests: CFD; mass transport; multi-phase flows; subsurface NAPL behavior; environmental engineering
The accidental release of hazardous hydrophobic organic chemicals including light (L) and dense (D) non-aqueous phase liquids (NAPLs, such as petroleum hydrocarbons and chlorinated solvents respectively) into the subsurface is a significant environmental problem. Depending on their specific gravity, NAPLs form an immiscible liquid plume in the vadose zone and across the capillary fringe (for LNAPLs) or penetrate below the water table (DNAPLs). NAPLs may include hundreds of chemicals with significantly different solubility and volatilization attributes. Partitioning of NAPL compounds into gaseous and aqueous phase alter the physical and chemical characteristics of the gaseous and aqueous phases and the remaining NAPL. Ambient and natural phenomena such as capillary effects, hysteresis, and water table fluctuations can affect the mobility of the NAPL. Trapped or residual NAPL may form in the subsurface and serve as long-term sources of contamination. The interaction of biotic and abiotic processes in the subsurface can alter the mobility, mass, composition, and distribution of the chemicals in the NAPL. Eventually, remediation approaches to remove NAPLs reach their operational endpoints and may leave behind considerable amounts of subsurface contamination. The varied physical and chemical dynamics in the subsurface create complex multiphase, multicomponent, and multiscale issues when addressing subsurface NAPL contamination.
The aim of this Special Issue is to encourage the submission of works focused on various aspects of multiphase multicomponent flow, biotic and abiotic reactions, and multi-phase remediation of NAPLs. We consider theoretical, computational and experimental papers addressing multiphase dynamics and measurement techniques at various scales (pore to Darcy and field scale). Papers addressing natural source zone depletion (NSZD) and the longevity of chemicals in different phases are also encouraged. Site characterization and case studies are considered only if they discuss novel observations and techniques. Papers on single-phase contamination transport and remediation (e.g., pump-and-treat) will not be given a priority.
Dr. Kaveh Sookhak Lari
Dr. Robert J. Lenhard
Manuscript Submission Information
Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.
Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access monthly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
- transport phenomena
- vadose zone