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This study focuses on the production of mesoporous and microporous zeolites via fusion pre-treating fly ash with NaOH followed by hydrothermal treatment utilizing seawater. Three pretreatments for fly ash were carried out utilizing 1:1, 1.2:1, and 1.4:1 of NaOH:fly ash ratio to compare the removal efficiency for cadmium Cd(II), iron Fe(II), nickel Ni(II), and lead Pb(II) from artificially contaminated water. The impacts of several variables including concentrations, weights, pH, and contact times were examined to acquire knowledge on the adsorption rate. X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM), and Brunaauer-Emmett-Teller (BET) were utilized to investigate zeolite structures. N2 adsorption/desorption isotherms demonstrated that the synthetic zeolites were mesoporous and microporous materials with a higher specific area (347, 240, and 127 m2/g) than the values for raw fly ash (15m2/g). The X-ray diffraction outcome suggested that the synthetic products mainly belonged to phillipsite, carbonate cancrinite, and hydroxysodalite. These outcomes showed that fly ash and seawater from power plants are appropriate for synthesizing high-quality zeolites. For contaminated water treatment, the products are effective for removal Cd(II), Fe(II), Ni(II), and Pb(II) at pH 7, contact time 45 min, and dose 1 g/L. Zeolites recycling outcomes showed that the removal efficiency of investigated metal ions by Z1, Z2, and Z3 was reduced by an average of 7%, 5%, and 3% after regeneration.
Lubna Abdelaziz Ibrahim; ElSayed ElBastamy ElSayed. Seawater Reinforces Synthesis of Mesoporous and Microporous Zeolites from Egyptian Fly Ash for Removal Ions of Cadmium, Iron, Nickel, and Lead from Artificially Contaminated Water. Egyptian Journal of Chemistry 2021, 64, 3801 -3816.
AMA StyleLubna Abdelaziz Ibrahim, ElSayed ElBastamy ElSayed. Seawater Reinforces Synthesis of Mesoporous and Microporous Zeolites from Egyptian Fly Ash for Removal Ions of Cadmium, Iron, Nickel, and Lead from Artificially Contaminated Water. Egyptian Journal of Chemistry. 2021; 64 (7):3801-3816.
Chicago/Turabian StyleLubna Abdelaziz Ibrahim; ElSayed ElBastamy ElSayed. 2021. "Seawater Reinforces Synthesis of Mesoporous and Microporous Zeolites from Egyptian Fly Ash for Removal Ions of Cadmium, Iron, Nickel, and Lead from Artificially Contaminated Water." Egyptian Journal of Chemistry 64, no. 7: 3801-3816.
This project investigated the relative efficiencies of three pilot-scale constructed columns for enhancing drainage wastewater treatment processes to ensure compliance with Egyptian and international water quality criteria. In this investigation, basic materials (sand and gravel) and variable natural clay minerals zeolite (Z), diatomite (D) and bentonite (B) were utilized as packing materials to build up a Z column (ZC), D column (DC) and B column (BC), respectively. The three columns’ ability to remove pollutants from waste water for re-use in irrigation was investigated throughout one year (12 trials). The results revealed that the influent water had 211 mg/L total suspended solids, 6.09 mg/L total nitrogen, 36.67 mg/L biochemical oxygen demand, 56 mg/L chemical oxygen demand, 1700 mg/L total dissolved solids, 0.97 mg/L copper (Cu2+), 1.12 mg/L iron (Fe2+), 1.07 mg/L manganese (Mn2+), 1.02 mg/L lead (Pb2+), 1.05 mg/L zinc (Zn2+), and 46 × 103 CFU/mL fecal coliforms. These parameters were higher than the values permitted by Egyptian and international licenses. The range of removal efficiency of these pollutants by ZC was 96–21%, by BC was 99–29.8%, and by DC was 99–19.80%. Regeneration studies for the spent adsorbents demonstrated that the percentages of pollutant removal were sufficiently high. The treated effluent produced by the three columns was suitable for irrigation purposes, especially at a contact time of four hours, with the order for column treatment efficiency being BC ˃ DC ˃ ZC. Treated water was classified for irrigation suitability according to the Agrifood Water Quality Index (AFWQI) as marginal from the ZC, very good from the DC, and excellent from the BC. Treatment of such drainage water using the BC and DC appears feasible, because the process is easily operated and leads to final treated effluent of high quality for agricultural uses. The economic cost also confirms the feasibility of this treatment.
Elsayed ElBastamy; Lubna Ibrahim; Atef Ghandour; Martina Zelenakova; Zuzana Vranayova; Mohamed Abu-Hashim. Efficiency of Natural Clay Mineral Adsorbent Filtration Systems in Wastewater Treatment for Potential Irrigation Purposes. Sustainability 2021, 13, 5738 .
AMA StyleElsayed ElBastamy, Lubna Ibrahim, Atef Ghandour, Martina Zelenakova, Zuzana Vranayova, Mohamed Abu-Hashim. Efficiency of Natural Clay Mineral Adsorbent Filtration Systems in Wastewater Treatment for Potential Irrigation Purposes. Sustainability. 2021; 13 (10):5738.
Chicago/Turabian StyleElsayed ElBastamy; Lubna Ibrahim; Atef Ghandour; Martina Zelenakova; Zuzana Vranayova; Mohamed Abu-Hashim. 2021. "Efficiency of Natural Clay Mineral Adsorbent Filtration Systems in Wastewater Treatment for Potential Irrigation Purposes." Sustainability 13, no. 10: 5738.
Lubna A. Ibrahim; Eman R. Nofal. Quality and hydrogeochemistry appraisal for groundwater in Tenth of Ramadan Area, Egypt. Water Science 2020, 34, 50 -64.
AMA StyleLubna A. Ibrahim, Eman R. Nofal. Quality and hydrogeochemistry appraisal for groundwater in Tenth of Ramadan Area, Egypt. Water Science. 2020; 34 (1):50-64.
Chicago/Turabian StyleLubna A. Ibrahim; Eman R. Nofal. 2020. "Quality and hydrogeochemistry appraisal for groundwater in Tenth of Ramadan Area, Egypt." Water Science 34, no. 1: 50-64.
The prime goals of the present study are to assess trends in the concentrations of the groundwater quality and evaluate this water for domestic, agriculture and various industrial processes. Groundwater quality indicators were monitored, for the first time, for4 years (2011, 2013, 2014 and -2015) from three wells constructed in El-Sheikh Fadl, Bani Mazar, El Minya Governorate, Egypt. Quality indicators included pH, alkalinity, TDS, hardness, Na+, k+, Mg2+, Ca2+, Cl-, SO42-, NO3-, S2-, Al3+, Cu2+, Fe2+, Mn2+and Ni2+concentrations.Based on the outcomes, groundwater was classified as brackish water. Elevated pH, alkalinity, Ca2+, SO42-, NO3-, S2-, Al3+, Cu2+, Fe2+, Mn2+and Ni2+ concentrations were observed over monitoring years. Three main Varimax-rotated factors counted for 82.53 % of the total variance of the quality variables revealing how process like water-rock interaction, salinization and industrial pollution influence groundwater quality. The groundwater samples have a mixed mineralization that is possibly pure marine water affected by leaching and dissolution and cation exchange of both meteoric water (rainy water containing cement dust) and terrestrial salts. Groundwater is generally supersaturated with respect to calcite, dolomite and aragonite minerals. The water wells are not suitable for drinking and irrigation. For industrial, the groundwater needs further treatment.
Hussein Abdel Halim El Gammal; Lubna Ibrahim. Assessment of Groundwater Quality for Different Uses Case Study: El Minya Governorate, Egypt. Egyptian Journal of Aquatic Biology and Fisheries 2017, 21, 1 -20.
AMA StyleHussein Abdel Halim El Gammal, Lubna Ibrahim. Assessment of Groundwater Quality for Different Uses Case Study: El Minya Governorate, Egypt. Egyptian Journal of Aquatic Biology and Fisheries. 2017; 21 (4):1-20.
Chicago/Turabian StyleHussein Abdel Halim El Gammal; Lubna Ibrahim. 2017. "Assessment of Groundwater Quality for Different Uses Case Study: El Minya Governorate, Egypt." Egyptian Journal of Aquatic Biology and Fisheries 21, no. 4: 1-20.
The present investigation was conducted to study the leaching characteristics, speciation and fractionation of trace and major elements from fly ash. Five liquid-to-solid ratios (L/S) were selected, ranging from 0.5 to 1. The releasing of trace and major elements from fly ash increased as L/S ratios increased or over time (at pH = 2.88). γ-Al(OH)3, Cd3(PO4)2, azurite, jarosite, MnCO3, Pb(OH)2, quartz (SiO2) and ZnCO3 are the solid phases that control Al, Cd, Cu, Fe, Mn, Pb, Si and Zn activities in fly ash leachates. The sequential chemical extraction tests showed that Al, Cd, Cu, Fe, Mn, Pb, Si and Zn were mainly present in the last three fractions, which were Fe–Mn oxides, organics and residual fractions and their leachability could be well-controlled in common natural environment. According to risk assessment code (RAC); Cd, Cu, Mn and Pb show a medium risk, while Zn and Fe shows low risk level, but Al and Si are considered safe to our environment.
Lubna Ibrahim. Chemical characterization and mobility of metal species in fly ash–water system. Water Science 2015, 29, 109 -122.
AMA StyleLubna Ibrahim. Chemical characterization and mobility of metal species in fly ash–water system. Water Science. 2015; 29 (2):109-122.
Chicago/Turabian StyleLubna Ibrahim. 2015. "Chemical characterization and mobility of metal species in fly ash–water system." Water Science 29, no. 2: 109-122.