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SOE - Scholarly Publications: Recent submissions

  • Ettringite-Induced Heave in Chromite Ore Processing Residue (COPR) upon Ferrous Sulfate Treatment 
    Dermatas, Dimitris; Chrysochoou, Maria; Moon, Deok Hyun; Grubb, Dennis G.; Wazne, Mahmoud; Christodoulatos, Christos; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    A pilot-scale treatment study was implemented at a deposition site of chromite ore processing residue (COPR) in New Jersey. Ferrous sulfate heptahydrate (FeSO4·7H2O) was employed to reduce hexavalent chromium in two dosages ...
  • Remediation of chromite ore processing residue using ferrous sulfate and calcium polysulfide 
    Wazne, Mahmoud; Moon, Deok Hyun; Jagupilla, Santhi Chandra; Christodoulatos, Christos; Dermatas, Dimitris; Chrysochoou, Maria; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    Batch tests were conducted to assess the potential use of ferrous sulfate and calcium polysulfide for the remediation of chromite ore processing residue (COPR). The remediation process entails addition of ferrous sulfate ...
  • Long-term treatment issues with chromite ore processing residue (COPR) 
    Moon, Deok Hyun; Wazne, Mahmoud; Dermatas, Dimitris; Christodoulatos, Christos; Sanchez, Adriana M.; Grubb, Dennis G.; Chrysochoou, Maria; Kim, Min Gyu; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    A pugmill treatability study was conducted to remediate chromite ore processing residue (COPR) using ferrous sulfate heptahydrate (FeSO4·7H2O) as a reductant. Two different types of COPR, with respect to particle size and ...
  • Assessment of calcium polysulfide for the remediation of hexavalent chromium in chromite ore processing residue (COPR) 
    Wazne, Mahmoud; Jagupilla, Santhi Chandra; Moon, Deok Hyun; Jagupilla, Sarath Chandra; Christodoulatos, Christos; Kim, Min Gyu; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    Bench scale and pilot scale treatability studies were conducted to evaluate the remediation of hexavalent chromium [Cr(VI)] in chromite ore processing residue (COPR) using calcium polysulfide. The results from the bench ...
  • Nano-aluminum 
    Doshi, Reeti; Braida, Washington; Christodoulatos, Christos; Wazne, Mahmoud; Connor, Gregory; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    Nano-aluminum is being used in increasing quantities as energetic material. This research addresses the transport of two types of nanosized aluminum particles (with aluminum oxide, or carboxylate ligand coating, Alex and ...
  • Assessment of cement kiln dust (CKD) for stabilization/solidification (S/S) of arsenic contaminated soils 
    Moon, Deok Hyun; Wazne, Mahmoud; Yoon, In-Ho; Grubb, Dennis G.; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    A stabilization/solidification (S/S) process for arsenic (As) contaminated soils was evaluated using cement kiln dust (CKD). Laboratory-prepared slurries, made of either kaolinite or montmorillonite, and field soils spiked ...
  • Application of an empirical transport model to simulate retention of nanocrystalline titanium dioxide in sand columns 
    Choy, Christine Chin; Wazne, Mahmoud; Meng, Xiaoguang; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    Nanocrystalline titanium dioxide was injected into sand columns to simulate subsurface injection for creation of a permeable treatment barrier. Past usage of this material as an ex situ pilot scale treatment filter has ...
  • Particle size and pH effects on remediation of chromite ore processing residue using calcium polysulfide (CaS5) 
    Moon, Deok Hyun; Wazne, Mahmoud; Jagupilla, Santhi Chandra; Christodoulatos, Christos; Kim, Min Gyu; Koutsospyros, Agamemnon; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    A long-term bench scale treatability study was performed to assess the ability to remediate chromite ore processing residue (COPR) using calcium polysulfide (CaS5). COPR materials were characterized with respect to particle ...
  • Leaching Mechanisms of Cr(VI) from Chromite Ore Processing Residue 
    Wazne, Mahmoud; Jagupilla, Santhi Chandra; Moon, Deok Hyun; Christodoulatos, Christos; Koutsospyros, Agamemnon; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    Batch leaching tests, qualitative and quantitative x-ray powder diffraction (XRPD) analyses, and geochemical modeling were used to investigate the leaching mechanisms of Cr(VI) from chromite ore processing residue (COPR) ...
  • Aggregation and deposition behavior of boron nanoparticles in porous media 
    Liu, Xuyang; Wazne, Mahmoud; Christodoulatos, Christos; Jasinkiewicz, Kristin L.; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    New kinds of solid fuels and propellants comprised of nanomaterials are making their way into civilian and military applications yet the impact of their release on the environment remains largely unknown. One such material ...
  • Evaluation of the treatment of chromite ore processing residue by ferrous sulfate and asphalt 
    Moon, Deok Hyun; Wazne, Mahmoud; Koutsospyros, Agamemnon; Christodoulatos, Christos; Gevgilili, Halil; Malik, Moinuddin; Kalyon, Dilhan M.; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    The effectiveness of the treatment of chromite ore processing residue (COPR) with ferrous sulfate and encapsulation into asphalt were explored separately and in combination. The asphalt treatment was conducted by mixing ...
  • Effects of particle size and acid addition on the remediation of chromite ore processing residue using ferrous sulfate 
    Jagupilla, Santhi; Moon, Deok Hyun; Wazne, Mahmoud; Christodoulatos, Christos; Kim, Min Gyu; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-03-01)
    A bench-scale treatability study was conducted to assess the effects of particle size and acid addition on the remediation of chromite ore processing residue (COPR) using ferrous sulfate. The remediation scheme entailed ...
  • Acute toxicity of boron, titanium dioxide, and aluminum nanoparticles to Daphnia magna and Vibrio fischeri 
    Strigul, Nikolay; Vaccari, Liana; Galdun, Catherine; Wazne, Mahmoud; Liu, Xuyang; Christodoulatos, Christos; Jasinkiewiczc, Kristin; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-02-29)
    The acute toxicity of four different nanosized particulate materials (titanium dioxide, boron nanoparticles, and two types of aluminum nanoparticles (ALEX and L-ALEX)) were evaluated using two tests: the Microtox toxicity ...
  • Effects of natural organic matter on aggregation kinetics of boron nanoparticles in monovalent and divalent electrolytes 
    Liu, Xuyang; Wazne, Mahmoud; Han, Yun; Christodoulatos, Christos; Jasinkiewiczc, Kristin; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-02-29)
    Nano boron is a promising new propellant being considered for military and civilian applications; however, the impact of its release on the environment is largely not known. The early stage aggregation kinetics of boron ...
  • Influence of Ca2+ and Suwannee River Humic Acid on aggregation of silicon nanoparticles in aqueous media 
    Liu, Xuyang; Wazne, Mahmoud; Chou, Tsengming; Xiao, Ru; Shiyou, Xu; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-02-29)
    Liu, X., Wazne, M., Chou, T., Xiao, R., & Xu, S. (2011). Influence of Ca 2+ and Suwannee River Humic Acid on aggregation of silicon nanoparticles in aqueous media. Water research, 45(1), 105-112.
  • Beneficial Use of Steel Slag Fines to Immobilize Arsenite and Arsenate 
    Grubb, D.; Wazne, Mahmoud; Jagupilla, S.; Malasavage, N.; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-02-29)
    This study presents the results of an extensive beneficial-use evaluation of -in. minus steel slag fines (SSF) to immobilize arsenic. Two primary sets of experiments were undertaken to assess (1) the ability of SSF to ...
  • Impact of brownmillerite hydration on Cr(VI) sequestration in chromite ore processing residue 
    Moon, Deok Hyun; Wazne, Mahmoud; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-02-29)
    Experimental and modeling studies were conducted to delineate the reaction progress of chromite ore processing residue (COPR) upon hydration and the roles of brownmillerite and calcium aluminum chromium oxide hydrates (CAC) ...
  • Assessment of soil washing for Zn contaminated soils using various washing solutions 
    Moon, Deok Hyun; Lee, Ju-Ry; Wazne, Mahmoud; Park, Jeong-Hun; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-02-29)
    Bench-scale soil washing experiments were conducted to remove Zn from contaminated soils. Various washing solutions including hydrochloric acid (HCl), nitric acid (HNO3), sodium hydroxide (NaOH), oxalic acid (HOOCCOOH·2H2O), ...
  • Geotechnical Performance of Dredged Material—Steel Slag Fines Blends 
    Malasavage, Nicholas; Jagupilla, Santhi; Grubb, Dennis; Wazne, Mahmoud; Coon, William; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb (2016-02-29)
    This paper contains the results of a combined laboratory and field demonstration project exploring the use of dredged material (DM) blended with steel slag fines [SSF; 9.5 mm () minus] as synthetic fill materials. The ...
  • Assessment of aged biodegradable polymer-coated nano-zero-valent iron for degradation of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) 
    Wazne, Mahmoud; Xiao, Ru; SOE; 201205627; Civil Engineering (2016-02-29)
    BACKGROUND: This study reports on the effects of aging on suspension behavior of biodegradable polymer-coated nano-zero-valent iron (nZVI) and its degradation rates of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) under ...

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