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| 1 | Evaluation of copper removal efficiency using water treatment sludge显示文摘Large quantities of sludge are produced during water treatment processes. Recently, sludge has been treated as waste and disposed of in landfills, which increases the environmental burdens and the operational cost. Therefore, sludge reuse has become a significant environmental issue. In this study, adsorption of copper ions (Cu^2+) onto calcined sludge was investigated under various operational conditions (with varying temperature, Cu^2+ initial concentration, pH, and sludge dosage). The prepared sludge material was characterized with transmission electron microscopy (TEM), X-ray diffraction (XRD), dynamic light scattering (DLS), and Brunauer-Emmett-Teller (BET) surface area. The sorption capacity of sludge was directly proportional to the initial Cu^2+ concentration and inversely proportional to the sludge dosage. The optimum operational pH and solution temperature were 6.6 and 80℃, respectively. The experimental results followed a Langmuir isotherm and pseudo-first-order adsorption kinetics. Thermodynamic parameters such as activation energy, change in free energy, enthalpy, and entropy were calculated. Thermodynamic analyses indicated that the sorption of copper ions onto the calcined sludge was driven by a physical adsorption process. The prepared sludge was proven to be an excellent adsorbent material for the removal of Cu^2+ from an aqueous solution under optimum conditions. | Shimaa A.Shahin Mohamed Mossad Moharram Fouad | 2019 | Water Science and Engineering2019，12，1： | 2 |
| 2 | Anfioxidant galloylated flavonol glycosides from Callianclra haemat ocephala 显示文摘 | Moharram F A Marzouk M S A Ibrahim M T | 2011 | Natural Product Research2011，，11： | 1 |
| 3 | Electrical properties and structural changes of thermally co-evaporated CuInSe films显示文摘 | Moharram A H Hafiz M M Salem A | 2001 | Applied Surface Science2001，172，： | 1 |
| 4 | Design and synthesis of 3'- and 5'-O-(3-benzenesulfonylfuroxan-4-yl)-2'-deoxyuridines: biological evaluation as hybrid nitric oxide donor-nucleoside anticancer agents 显示文摘 | Moharram S Zhou A Wiebe LI | 2004 | J Med Chem2004，47，7： | 1 |
| 5 | Polyphenolic constituents of Callistemon lanceolatus leaves 显示文摘 | Mahmoud I I Moharram F A Marzouk M S A | 2002 | Pharmazie2002，57，7： | 1 |
| 6 | External exposure doses due to gamma emitting natural radionuclides in some Egyptian building materials显示文摘 | Moharram BM Suliman MN Zahran NF | 2012 | Appl Radiat Isot2012，70，1： | 1 |
| 7 | Electrical Properties and Structural Changes of Thermally Co-Evaporated CulnSe Films显示文摘 | Hafiz M M | 2001 | Applied Surface Science2001，172，： | 1 |
| 8 | Acylated flavonol glycosides from Eugenia jambolana leaves显示文摘 | Mahmouda II Marzouk MSA Moharram FA | 2001 | Phytochemistry2001，58，： | 1 |
| 9 | Retropubic repair of genitourinary fistula using a free supporting graft显示文摘 | El-Lateef Moharram AA El-Raouf MA | 2004 | BJU Int2004，96，4： | 1 |
| 10 | Electrochemical studies of Schiff base compounds derived from antipyrine nucleus in ethanolic buffer solutions显示文摘 | EI-Hallag I S EI-Hefnawy G B Moharram Y I | 2000 | Can J Chem2000，78，： | 1 |
| 11 | Applications of ultrasound in analysis, processing and quality control of food: A review显示文摘 | Awad T S Moharram H A Shahout O E | 2012 | Food Research Interational2012，48，2： | 1 |
| 12 | Applications of ultrasound in analysis,processing and quality control of food:A review显示文摘 | Awad T S Moharram H A Shaltout O E | 2012 | Food Research International2012，，48： | 1 |
| 13 | Infared study of the complexation of poly( acrylic acid) with poly(acrylamidc) 显示文摘 | M A Moharram L S Balloomal H C endy | 1996 | Journal of applied polymer science1996，59，： | 1 |
| 14 | Prevalence of urinary tract infection and risk factors among Saudi patients with diabetes显示文摘 | A1-Rubeaan KA Moharram O A1-Naqeb D | 2013 | World J Urol2013，31，3： | 1 |
| 15 | Electrical properties and structural changes of thermally co-evaporated CuInSe films显示文摘 | MOHARRAM A H HAFIZ M M SALEM A | | 0，，1： | 1 |
| 16 | Two new flavonol glycosides from leaves Koelreuteria paniculata 显示文摘 | Mahmoud I Moharram F A Marzouk M S | 2001 | Pharmazie2001，56，7： | 1 |
| 17 | Evaluation of ehromogenic media and seminested PCR in the identification of Candida species显示文摘 | Daef E Moharram A Eldin SS | 2014 | Braz J Mierobiol2014，45，1： | 1 |
| 18 | Risk factors for diabetic tetinopathy a- mong Saudi diabetics 显示文摘 | EL-ASRAR AM AL-RUBEAAN KA AL-AMRO SA KANGAVE D MOHARRAM OA | 1998 | Int Ophthalmol1998，22，3： | 1 |
| 19 | 显示文摘 | Moharram M A Balloomal L S Elgendy H M | 1996 | Journal of Applied Polymer Science1996，59，： | 1 |
| 20 | Anticancer And Antioxidant Tannins from Pimenta Dioica Leaves显示文摘 | Moharram FA Mohamed MA | 2007 | Zeitsehrift Fur Naturforschung2007，62，8： | 1 |
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