Search Results - "Tawfik, Ahmed"

Degradation pathways of 1,4-dioxane in biological and advanced oxidation processes by Tawfik, Ahmed

“…1,4-Dioxane is widely used in industry and seriously contaminates the ecosystem due to intentional discharge into water streams. Treatment of water/wastewater…”
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Air vessel sizing approach for pipeline protection using artificial neural networks by Tawfik, Ahmed

“…Water hammer is the unsteady flow in conduits due to sudden change of velocities in pipelines and poses it to danger. Sensitivity analysis is performed to show…”
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The Outcome of Surgical Treatment of Giant Papillary Conjunctivitis by Simple Excision Only, Excision with Conjunctival Autograft or Amniotic Membrane Transplantation by Tawfik, Ahmed

“…Background: Giant papillary conjunctivitis [GPC] is a type of inflammatory disease of the eye formed of "giant" papillae in the superior tarsal conjunctiva.Aim…”
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Maximization of hydrogen fermentative process from delignified water hyacinth using sodium chlorite by Elsamadony, Mohamed, Tawfik, Ahmed

“…[Display omitted] •8 mg/L of sodium chlorite enhanced H2 yield to 119.6 ± 7.8 mL/gTVS.•Sodium chlorite exhibited higher lignin destruction.•Phenolic compounds…”
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Circumglobal Response to Prescribed Soil Moisture over North America by Teng, Haiyan, Branstator, Grant, Tawfik, Ahmed B., Callaghan, Patrick

“…A series of idealized prescribed soil moisture experiments is performed with the atmosphere/land stand-alone configuration of the Community Earth System Model,…”
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Advances towards understanding long chain fatty acids-induced inhibition and overcoming strategies for efficient anaerobic digestion process by Elsamadony, Mohamed, Mostafa, Alsayed, Fujii, Manabu, Tawfik, Ahmed, Pant, Deepak

“…•LCFAs-inhibition found to be saturation index, temperature, and concentration dependent.•Syntrophus, Syntrophothermus, Syntrophomonas and Thermosyntropha can…”
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Evaluation and optimization of anammox baffled reactor (AnBR) by artificial neural network modeling and economic analysis by Ismail, Sherif, Elsamadony, Mohamed, Fujii, Manabu, Tawfik, Ahmed

“…•Anammox baffled reactor (AnBR) revealed moderate start-up period of 53 days.•Anammox sludge characteristics have statistically robust relationships.•ANN…”
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A randomized controlled study of early versus standard cannulation of arteriovenous grafts in hemodialysis patients by Tawfik, Ahmed M., Zidan, Mohammed H., Salem, Aymen, Salem, Amr

“…Arteriovenous grafts (AVGs) are frequently needed in hemodialysis (HD) patients with unsuitable superficial veins. First cannulation of standard arteriovenous…”
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Degradation of four pharmaceuticals by solar photo-Fenton process: Kinetics and costs estimation by Alalm, Mohamed Gar, Tawfik, Ahmed, Ookawara, Shinichi

“…Solar photo-Fenton process for degradation of four types of pharmaceuticals namely amoxicillin, ampicillin, diclofenac, and paracetamol was studied…”
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LAND—ATMOSPHERE INTERACTIONS: The LoCo Perspective by Santanello, Joseph A., Dirmeyer, Paul A., Ferguson, Craig R., Findell, Kirsten L., Tawfik, Ahmed B., Berg, Alexis, Ek, Michael, Gentine, Pierre, Guillod, Benoit P., van Heerwaarden, Chiel, Roundy, Joshua, Wulfmeyer, Volker

“…Land–atmosphere (L-A) interactions are a main driver of Earth’s surface water and energy budgets; as such, they modulate near-surface climate, including clouds…”
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Enhancement of photocatalytic activity of TiO2 by immobilization on activated carbon for degradation of pharmaceuticals by Gar Alalm, Mohamed, Tawfik, Ahmed, Ookawara, Shinichi

“…This work evaluates the photocatalytic activity of bare TiO2 and TiO2 immobilized on activated carbon (TiO2/AC) for degradation of pharmaceuticals. Four…”
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The role of surface roughness, albedo, and Bowen ratio on ecosystem energy balance in the Eastern United States by Burakowski, Elizabeth, Tawfik, Ahmed, Ouimette, Andrew, Lepine, Lucie, Novick, Kimberly, Ollinger, Scott, Zarzycki, Colin, Bonan, Gordon

“…•Compared eddy covariance and coupled land-atmosphere model surface energy exchange.•Evaluated biophysical factors contributing to local surface temperature…”
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Biological hydrogen promotion via integrated fermentation of complex agro-industrial wastes by Soltan, Mohamed, Elsamadony, Mohamed, Tawfik, Ahmed

“…[Display omitted] •Maximum H2 production was achieved at 30% MFPs+70% PMS.•MFPs/PMS of 30/70 balanced self-originated metals to ideal concentrations.•PMS…”
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GC/MS screening of buckthorn phytochemicals and their use to synthesize ZnO nanoparticles for photocatalytic degradation of malachite green dye in water by Hasan, Ibrahem M A, Tawfik, Ahmed R, Assaf, Fawzy H

“…Zinc oxide nanoparticles (ZnO NPs) were biosynthesized. According to gas chromatography/mass spectrometry analysis, chalcone, the main phytochemical, is…”
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Treatment of hazardous landfill leachate using Fenton process followed by a combined (UASB/DHS) system by Ismail, Sherif, Tawfik, Ahmed

“…Fenton process for pre-treatment of hazardous landfill leachate (HLL) was investigated. Total, particulate and soluble chemical oxygen demand (CODt, CODp and…”
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Physico-chemical and microbial characterization of compartment-wise profiles in an anammox baffled reactor by Ismail, Sherif, Elsamadony, Mohamed, Elreedy, Ahmed, Fujii, Manabu, Tawfik, Ahmed

“…In this study, compartment-wise investigation of an anammox baffled reactor (AnBR) was performed. The AnBR achieved steady-state conditions after a start-up…”
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Comparison of dual-energy CT-derived iodine content and iodine overlay of normal, inflammatory and metastatic squamous cell carcinoma cervical lymph nodes by Tawfik, Ahmed M., Razek, A. A., Kerl, J. Matthias, Nour-Eldin, N. E., Bauer, Ralf, Vogl, Thomas J.

“…Objectives To evaluate whether dual-energy computed tomography (DECT)-derived iodine content and iodine overlay could differentiate between normal,…”
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Mapping daily and seasonally evapotranspiration using remote sensing techniques over the Nile delta by Elnmer, Ayat, Khadr, Mosaad, Kanae, Shinjiro, Tawfik, Ahmed

“…•Estimation of daily and seasonal Evapotranspiration (ETc) over the Nile delta using the SEBAL algrorism with landsat 8 images.•Evaluation of the performance…”
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A process-based framework for quantifying the atmospheric preconditioning of surface-triggered convection by Tawfik, Ahmed B., Dirmeyer, Paul A.

“…Here we introduce the heated condensation framework, which contains a suite of variables for isolating the atmospheric boundary state from local surface…”
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Greenhouse gases emissions from duckweed pond system treating polyester resin wastewater containing 1,4-dioxane and heavy metals by Osama, Rania, Awad, Hanem M., Zha, Shanshan, Meng, Fangang, Tawfik, Ahmed

“…Phytoremediation of polyester resin wastewater containing 1,4-dioxane and heavy metals using Lemna gibba (L.gibba) was enhanced by incorporation of perforated…”
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