Ahmed Mohamed Ibrahim Rizk

Faculty of Engineering

Assiut University

Department
Mining and Metallurgical Engineering Department
Fax No
N/A
MIS Email
profahmedrizk22@aun.edu.eg
Mobile
01221657628
Office
N/A - 031212-031215-031231
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Ph. D. In () , , 1989
M. Sc. In () , , 1982
B. Sc. In () , , 1977

Emeritus Professor Faculty of Engineering, ِِAssiut University , 2011

Professor Faculty of Engineering, Assiut University , 1999

Associate Professor Faculty of Engineering, Assiut University , 1994

Lecturer Faculty of Engineering, Assiut University , 1989

Assistant Lecturer Faculty of Engineering, Assiut University , 1982

Demonstrator Faculty of Engineering, Assiut University , 1977

Head Faculty of Engineering, Assiut University ,since 0000-00-00 To 2011-09-25
# Title Research Year
1 The effect of sodium citrate as a complex agent on the corrosion properties of the electroless Ni-P coating 2018
2 Numerical simulation of particulate flow in spiral separators: Part 1- low solids concentration (0.3&3% solids) 2013
3 Computational Prediction Of Water - Flow Characteristics In Spiral Separators : Part 1 , Flow Depth And Turbulence Intensity 2008
4 Computational Prediction Of Water - Flow Characteristics In Spiral Separators : Part Π , The Primary And Secondary Flows 2008
5 Effect of particle shape and surface roughness on the comminution and flotation processes: A review 2005
6 Energy consumption in the process of comminution: A review 2005
7 Assessment of efficiency of energy consumption in binary mixture grinding 2005
8 Effect of particle shape and surface roughness on the comminution and flotation processes: Review 2005
9 Utilization of processing plant tailings of Sebaeya phosphate company 2004
10 Utilization of tailings produced from washing plant of Sebaeya phosphate company (Egypt) 2004
11 On the attritioning of stirred slurries 2003
12 Influence of thermal treatment on grindabilty of feldspar 2003
13 Preheating as an aid in comminution process 2003
14 Influence of thermal treatments on grindability of feldspar 2003
15 Application of a factorial method on leaching process of calcareous phosphate ore 2001
16 A contribution to comminution in tumbling mills 2001
17 Some considerations on Bond work index 2001
18 A contribution to comminution in tumbling mills 2001
19 Some considerations on the Bond work Index test 2001
20 Utilization of cast iron chip in powder production 2001
21 Effect of concentration of multisized solid particles on slurry erosion 2000
22 Dependence of sedimentation rate on the grinding regime of some ores 2000
23 Effect of particle size on dilute slurry erosion 1999
24 A positive use of El-Sebaeya phosphate tailings 1999
25 Recovery of Fe and Ti from ilmenite ores in the form of Al - Fe - Ti master alloys 1999
26 Effect of slurry erosion on some particle/surface Engineering properties 1999
27 A positive use of El-Sebayia phosphate tailings 1999
28 On the characteristics of the load of ball mill using statistical approaches 1998
29 Production of Al-Ti alloys (~ 20 % Ti) from rutile concentrate, Al filings and cryolite or Naf salt 1997
30 On The benefication of wadi El-Ghadir chromite ore, Earstern Desert, Egypt 1996
31 Influence of the impact regime on the quality of crushing products 1996
32 On the beneficiation of Wadi El-Ghadir chromite ore, Eastern Desert, Egypt 1996
33 Determination of the work index of some Egyptian ores 1995
34 Effect of air temperature on the cost of aerocyclone dedusters 1995
35 Determination of the Bond Work Index of some Egyptian ores 1995
36 Upgrading of iron ores through magnetic roasting 1995
37 Upgrading the Red Sea barite ores 1994
38 An empirical correlation for estimating the powder attrition in a shallow fluidized bed 1994
39 Energy recovery from incineration of the rurban community solid wastes 1994
40 Examination of single and repetitive impact breakage 1994
41 Behavior of the selection and breakage functions of coal quartz binary mixtures 1993
42 Cyclones as a precollectors for air pollution 1993
43 On the repetitive impact crushing results of some soft. and hard materials 1993
44 Effect of the situations of two single particle layers on impact and compressive crushing 1992
45 Fine grinding at subcritical and supercritical speeds 1992
46 Some aspects of the limestone crushing system in Assiut Cement Company 1992
47 The dependence of the production of fines on the grinding regime of the cement raw meal 1991
48 The influence of the feed particle sizes on the preferential comminution of binary mixture 1991
49 A regression model of wet reverse closed circuit grinding 1990
50 Optimization of the most important operating parameters affecting the performance of wet reverse closed circuit grinding 1990
51 The relation between the reduction ratio, the hardness and coefficient of plasticity of rocks 1983
52 Relation between Surface area produced in the process of comminution and time of grinding at constant ball to ore ratios, for different types of rocks 1983
53 Effect of hardness and coefficient of plasticity as technological properties on the process of comminution 1983
54 Application of the probability theory for determining the effect of hardness of rocks on the statistical parameters of size distribution for different ball to ore ratios at constant time of grinding 1982
1- Gamal Saad Abdel-Hafiz Hasan , Assessment of Energy Efficiency in Grinding Process ,2005-12-25
supervisor: Ahmed Mohamed Ibrahim Rizk, Mohamed Hussein Abu Ali

2- Gamal Mohamed Atia Mehran , Modeling and simulation of spiral separator ,2009-02-22
supervisor: Mohamed Abdel-Fattah Dheim, Ahmed Mohammed Ibrahim Rizk, Mohamed Hussein Abu Ali, Ahmed Farouk Abdel-Gawad

الجمعيات العلمية و النقابات :

Research Projects