Zobrazeno 1 - 10
of 22
pro vyhledávání: '"59"'
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 5219-5229 (2020)
This research was undertaken to optimize the Se(IV) adsorption from aqueous solutions by Cyperus laevigatus biomass and green-synthesized nanosilver (AgNPs). A full 24 factorial experimental design was utilized to distinguish the effects of pH, initi
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 5165-5178 (2020)
The isothermal sorption experiments of CH4, CO2 and CH4/CO2 mixture gases on shale were performed. The sorption affinities of CH4, CO2 and CH4/CO2 mixture gases were compared using Henry’s coefficient (KH). The thermodynamics of sorption of CH4, CO
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 4237-4245 (2020)
The aim of this study is to investigate the removal of cadmium from sulphate solutions via a batch cell by an electrochemical method. A cadmium/zinc couple was used to generate a spontaneous chemical reaction in the cell. Different parameters such as
Autor:
Swellam W. Sharshir, Xiao Liang, Abd Elnaby Kabeel, Sai Zhou, Guogeng He, Showgi I.T. Mohammed
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 4909-4922 (2020)
Generation of air conditioners’ refrigerants suitable for countries with high ambient temperatures has become a necessity. Along with that, in this work, a non-azeotropic mixture (R-1270/R-600a), which is suitable for high ambient temperatures, com
Autor:
S.V. Prabhakar Vattikuti, H.T. Anh, Nguyen Si Hoai Vu, Nguyen Dang Nam, Quang Thang Trinh, L.X. Bach, L.T. Huyen, N.Q. Tran, H.T. Thu
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 4449-4462 (2020)
Carbon steel coupons are used to characterize inhibition efficiency and surface properties for different Ficus racemosa leaf extract (FRLE) concentrations including 0, 500, 1000, 1500 and 2000 ppm in an aerated 0.1 M hydrochloric acid solution. The r
Autor:
Moses Emetere, Emeka Emmanuel Okoro, Felix Ishola, Simisola Taiwo, Dumebi Okocha, Francis B. Elehinafe, Angela Onose Mamudu
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 5207-5217 (2020)
The operational effectiveness of a fluid catalytic cracking unit largely depends on its catalyst, which is a mixture of zeolite, binder, matrix and filler. The filler plays an active role as it provides the catalyst with physical strength and integri
Autor:
Ali E. Anqi, Marjan Goodarzi, Hazim Moria, Tawfeeq Abdullah Alkanhal, Mohammad Reza Safaei, Rahmat Ellahi, Iskander Tlili
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 4511-4521 (2020)
In the present work, the boiling heat transfer coefficient (BHTC) and fluid flow characteristics of graphene oxide nanoplatelets (GONPs) nano-suspensions in an annular heat exchanger (AHEX) were experimentally investigated. The BHTC, pressure drop (P
Autor:
Artur Wodołażski, Adam Smoliński
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 4441-4448 (2020)
This study aims to model a plant for synthesis dimethyl ether via methanol using syngas derived from biomass gasification. Two steps prior to dimethyl ether synthesis gas composition adjustment and purification to remove the acid components were expl
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 5187-5196 (2020)
This study investigated the removal of phenol, Chemical Oxygen Demand (COD), and ammonia from pharmaceutical wastewater using activated sludge (AS) and extended aeration (EA) systems. Also, the impact of adding activated carbon media on the performan
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 5, Pp 3029-3039 (2020)
We present a fractional-order epidemic model for childhood diseases with the new fractional derivative approach proposed by Caputo and Fabrizio. By applying the Laplace Adomian decomposition method (LADM), we solve the problem and the solutions are p