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Removal of Hexavalent Chromium from Aqueous Solution using Magnetic Sepiolite Nano-composite as an Adsorbent
(2020-12-03)Magnetic nano-composite (MNCs) samples were prepared by co-precipitation method and characterized by XRD, SEM, nitrogen adsorption–desorption. The prepared MNCs evaluated for removal of hexavalent chromium Cr(VI) from its ... -
A Review Study of The Effect Of Air Voids on Asphalt Pavement Life
(CEST-2018, 2018-09-27)Roadways play a main role in the development of the countries and societies by providing the essential links between the different parts of the country, to facilitate the transport of goods and movement of people. Compaction ... -
Risk-Based Maintenance (RBM) Approach for Identifying the Optimum Time of Whole Shutdown (SD) for Gas Liquid Recovery Unit; Processing Columns as a Case Study
(2020-12-03)Pieces of equipment for any a processing unit, which run continuously under severe conditions usually exposed to undesirable failures such as a corrosion, leakage and other reasons due to over pressure and fluctuated ... -
SCARA Robot Links Length Optimization by Using MATLAB and Verification with SimMechanics and Solidworks
(2020-12-03)This paper aims for optimizing links length that consumed the minimum energy, for a customized SCARA robot. Nine link length combinations are tested and simulated. This research is a part of a project of designing a robotic ... -
Seismic response of reinforced concrete buildings as predicated by the draft of Libyan standard (DSLS-1977) and (IBC-2009)
(CEST-2018, 2018-09-27)The draft of suggested Libyan Standard (DSLS-1977) is the only code of practice for designing and construction of earthquake resistant buildings in Libya, was first proposed by the Ministry of Housing in 1977, it is still ... -
Simple and Sustainable Constipate to Save Cost and Time for Structure Constructions
(CEST-2018, 2018-09-27)The energy required producing the structural elements such as concrete, steel; wood, etc. have serious environmental and financial consequences. The energy analysis, therefore, must take into consideration the added cost ... -
Simulation of Butanol Production through Hydrogenation of Butanal: Effects of Different Reactor Schemes and Operating Conditions
(2020-12-03)The simulation was performed to evaluate the impact of by-passing the second liquid phase reactor in the series due to the catalyst blockage problem leading to the shutdown in a butanol production plant. Butanal hydrogenation ... -
Solar Hydrogen Production System Simulation Using PSCAD
(CEST-2018, 2018-09-27)Hydrogen is a potential future energy storage medium to supplement a variety of renewable energy sources. It can be regarded as an environmentally-friendly fuel, especially when it is extracted from water using electricity ... -
Static and Dynamic Analysis of Multistory RC Building with Various Heights in High Seismic Zone
(CEST-2018, 2018-09-27)The earthquake ranks as one of the most destructive natural disasters recorded all over the world. It has taken millions of lives and caused vast damages to infrastructures through the ages. Since the earthquake forces are ... -
A Stochastic Optimisation Technique for Tuning a Continuous Stirred Tank Reactor Controllers
(CEST-2018, 2018-09-27)A continuous stirred tank reactor mathematical model is developed based on the mass and energy balances for the reactor and heating system. A step change of the concentration is introduced and the temperature change in the ... -
Study the Performance and Behavior of the Hybrid System
(2020-12-03)The hybrid power generation system is considered one of the cleanest technologies to generate energy, environmentally friendly and does not emit any pollutants. The hybrid system is a mixture of renewable energy sources, ... -
Study the Performance of Solar Water Heater with Various Loads
(CEST-2018, 2018-09-27)The performance of a certain type of solar heater was studied by install, assemble solar heater and the installation of different measuring devices, such as water flow meter and temperature meters for water inside, outside, ... -
Synthesis and Characterization of Magnetic CoFe1.9Cr0.1O4 Nanoparticles by Sol-gel Method and Their Applications as an Adsorbent for Water Treatment
(CEST-2018, 2018-09-27)Water contamination by synthetic dyes is considered as a serious environmental issue, globally. In this study, the adsorptive removal of a very toxic cationic dye, methylene blue (MB), from aqueous solution was investigated ... -
Synthesis gas production with high hydrogen concentration aspen simulation
(CEST-2018, 2018-09-27)There is a growing need for hydrogen and future hydrogen economy becomes high on the scientific agenda, despite the “sustainable” routes are still too expensive; however, Steam reforming of hydrocarbons is the most feasible ... -
THD Investigation of Hybrid Cascaded Multilevel Inverter
(CEST-2018, 2018-09-27)Hybrid cascaded multilevel (HCML) inverter is a modification of the cascaded H-bridge (CHB) inverter, where this inverter has overcome the main drawback of the CHB inverter, which is the connection of a separate DC source ... -
Theoretical Investigation of an Indirect Evaporative Air Cooling System
(CEST-2018, 2018-09-27)In this paper an indirect evaporative cooler theoretically investigated. Because of its low cost and low environment pollution, the indirect evaporative coolers have great potential as an alternative to conventional air ... -
Thermal Performance of a Heat Pipe with Different Working Fluids
(CEST-2018, 2018-09-27)The use of Heat pipes, for a variety of applications, has increased worldwide due to them achieving high thermal efficiencies. Heat pipes in evacuated tube solar collector systems, in modern domestic water heating, comprise ... -
To What Extent Do Preschool Classrooms Match With The Architectural Design Considerations? Al-Khums City Centre, Libya as Case Study
(CEST-2018, 2018-09-27)In the recent few years, there has been a continued increase in the number of preschools in Libya in general and in AL-Khums city in particular. The classrooms are crucially important in terms of child development during ... -
Transient Pressure Analysis and Productivity Index Estimation in Horizontal Wells
(2020-12-03)The Analysis of pressure build-up tests in horizontal wells are known as complicated due to changing of flow regimes, formation thickness, well horizontal length….etc. The main objective of study is presents an interpretation ... -
Using Triple Modular Redundant (TMR) Technique in Critical Systems Operation
(CEST-2018, 2018018-09)Many computing systems used in applications of critical systems utilize fault tolerance criteria for normally continuing to operate. Operating in the presence of faults is required in many applications for safety and ...