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Response surface methodology has been applied for modeling and optimization of air gap membrane distillation process used in desalination. Regression models have been developed to predict the performance index and the specific performance index [...]texto impreso
García Villaluenga, Juan Pedro ; Khayet Souhaimi, Mohamed ; Godino Gómez, María Paz ; Seoane Rodríguez, Benjamín ; Mengual Cabezón, Juan Ignacio | Elsevier Science BV | 2005-12The effect of the membrane thickness on the pervaporation separation of methanol and methyl tertiary butyl ether mixtures through membranes was studied. Membranes of a wide range of thicknesses were prepared from two different polymers: cellulos[...]texto impreso
Al-Salmi, Moza ; Laqbaqbi, Mourad ; Al-Obaidani, Sulaiman ; Al-Maamari, Rashid S. ; Khayet Souhaimi, Mohamed ; Al-Abri, Mohammed | Elsevier Science BV | 2020-11-15Direct contact membrane distillation (DCMD) was investigated for the treatment of oil-field produced water using a hydrophobic polypropylene (PP) membrane with 0.2 mu m pore size. The DCMD performance was studied under different feed temperature[...]texto impreso
Sweeping gas membrane distillation process (SGMD) has been used for desalination and its performance index, defined as the product of the distillate flux and the salt rejection factor, has been modeled using artificial neural network (ANN) metho[...]texto impreso
Artificial neural network modeling and optimization of desalination by air gap membrane distillation
An experimental based artificial neural network (ANN) model is constructed to describe the performance of air gap membrane distillation process for different operating conditions. The air gap thickness, the condensation temperature, the feed inl[...]texto impreso
Response surface methodology (RSM) and artificial neural network (ANN) have been used to develop predictive models for simulation and optimization of reverse osmosis (RO) desalination process. Sodium chloride aqueous solutions were employed as m[...]texto impreso
Khayet Souhaimi, Mohamed ; Qtaishat, M. ; Matsuura, T. ; Khulbe, K. C. | Taylor & Francis Inc | 2009-05This study aims to compare the effect of host hydrophilic polymer on novel hydrophobic/hydrophilic composite membrane characteristics and desalination performance by direct contact membrane distillation (DCMD). Two different polymers are used fo[...]texto impreso
UV-photografting using two different monomers, acrylic acid and N-vinylpyrrolidone, with different concentrations in an aqueous solution and various irradiation times were studied. Irreversible fouling of both the un-grafted polyethersulfone and[...]texto impreso
El-Abbassi, A. ; Hafidi, A. ; García Payo, María del Carmen ; Khayet Souhaimi, Mohamed | Elsevier Science BV | 2009-09-15The possibility of olive mill wastewaters (OMW) treatment and concentration by membrane distillation has been investigated. The objective is to obtain pure water and a concentrate containing high amounts of polyphenols, which can be extracted la[...]texto impreso
Two types of bisphenol monomers, Bisphenol A (BPA) and Tetramethyl Bisphenol A (TMBPA), with different concentrations of bisphenol aqueous solution (0.5% to 2.%w/v) and various interfacial polymerisation times (10 s, 30 s and 60 s) in the fixed [...]texto impreso
The stoichiometric ratio for the synthesis components of hydrophobic new surface modifying macromolecules (nSMM) was altered systematically to produce three different types of nSMMs, which are called hereafter nSMM1, nSMM2, and nSMM3. The newly [...]texto impreso
García Payo, María del Carmen ; Essalhi, M. ; Khayet Souhaimi, Mohamed | Elsevier B. V. | 2010-02-01Poly(vinylidene fluoride-hexafluoropropylene), PVDF-HFP, hollow fiber membranes were prepared by the dry/wet spinning technique using different copolymer concentrations in the dope solutions ranging from 17 to 24 wt.%. All the spinning parameter[...]texto impreso
Most aerial plant parts are covered with a hydrophobic lipid-rich cuticle, which is the interface between the plant organs and the surrounding environment. Plant surfaces may have a high degree of hydrophobicity because of the combined effects o[...]texto impreso
Plant surfaces have been found to have a major chemical and physical heterogeneity and play a key protecting role against multiple stress factors. During the last decade, there is a raising interest in examining plant surface properties for the [...]texto impreso
Khayet Souhaimi, Mohamed ; Cojocaru, C. ; García Payo, María del Carmen | Elsevier B. V. | 2010-04-01Flat-sheet poly(vinylidene fluoride-co-hexafluoropropylene), PVDF-HFP, membranes have been prepared using the phase inversion technique based on fractional factorial design. Combined effects of polymer and additive (polyethylene glycol, PEG) con[...]
