Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Mohammad S. El-Geundi"'
Publikováno v:
Adsorption Science & Technology, Vol 30 (2012)
Herein, we studied the adsorption of acid dye onto Yemen natural clay in a bubble column adsorber. In addition, the effect of different parameters such as air flow rate, initial dye concentration and clay mass on the adsorption using clay has been in
Externí odkaz:
https://doaj.org/article/de035131f20d4173b848e40ba170b7ae
Autor:
Mohammad S. El-Geundi
Publikováno v:
Adsorption Science & Technology, Vol 15 (1997)
Adsorbent materials used for treating industrial pollutants are reviewed. The article consists of two parts. The first part considers new trends in traditional adsorbents such as activated carbons and zeolites. New low-cost adsorbents such as waste m
Externí odkaz:
https://doaj.org/article/ff80eaecd9ca42ab896e6590c7d9f2e8
Autor:
Mohammad S. El-Geundi
Publikováno v:
Adsorption Science & Technology, Vol 13 (1996)
A three-step model has been proposed for the adsorption of cationic dyestuffs (Basic Blue 69 and Basic Red 22) from aqueous solutions on to natural clay. The rate of adsorption is controlled initially by the boundary layer film and an external mass-t
Externí odkaz:
https://doaj.org/article/8edc593606754e6989a83f0eae1d792b
Autor:
Mohammad S. El-Geundi
Publikováno v:
Adsorption Science & Technology, Vol 9 (1992)
The adsorption of Basic Blue 69 from aqueous solution onto natural clay has been studied using an agitated batch adsorber. The branched-pore kinetic model (BPKM). based on external mass transfer, macropore diffusion and micropore diffusion, has been
Externí odkaz:
https://doaj.org/article/5f7c37bf03464d7199632c7fba297554
Autor:
Mohammad S. El-Geundi, Ibrahim H. Aly
Publikováno v:
Adsorption Science & Technology, Vol 9 (1992)
The adsorption of acid dyestuffs in solution onto maize cob has been investigated. Equilibrium isotherms have been determined for the adsopriton of Acid Blue 25 (AB 25) and Acid Red 114 (AR 114) onto maize cob. The L-shaped adsorption isotherms sugge
Externí odkaz:
https://doaj.org/article/d2978ee7bba448b5b8bd8bfdf767d83a
Autor:
Mohammad S. El-Geundi
Publikováno v:
Adsorption Science & Technology, Vol 9 (1992)
The adsorption of basic dyestuffs (Basic Blue 69 and Basic Red 22) onto natural clay has been studied using a series of batch adsorption runs. The pore diffusion model (PDM) has been developed based on external mass transfer and pore diffusion to pre
Externí odkaz:
https://doaj.org/article/431aacdee61440eebe270a99880a2235
Autor:
Mohammad S. El-Geundi
Publikováno v:
Adsorption Science & Technology, Vol 8 (1991)
The adsorption of basic dyestuffs (Basic Blue 69 and Basic Red 22) onto natural clay has been studied using a series of batch adsorption runs. The homogeneous surface diffusion model (HSDM) has been developed based on external mass transfer and surfa
Externí odkaz:
https://doaj.org/article/f2c4f3c81a42450cac93a75a77226264
Autor:
Mohammad S. El-Geundi
Publikováno v:
Adsorption Science & Technology, Vol 7 (1990)
A simple kinetic model has been developed to explain the external mass transport of the basic dyestuffs (Basic Blue 69 and Basic Red 22) from aqueous solutions onto maize cob. The model enables the external mass-transfer coefficients, K S , to be det
Externí odkaz:
https://doaj.org/article/e713b522562b461e9fd65ac7fa210086
Autor:
Mohammad S. El-Geundi
Publikováno v:
Adsorption Science & Technology, Vol 7 (1990)
Equilibrium isotherms have been determined for the adsorption of basic dyestuffs, namely, Basic Blue 69 (BB 69) and Basic Red 22 (BR 22), onto maize cob. The experimental results have been fitted with Langmuir, Freundlich and Redlich–Peterson isoth
Externí odkaz:
https://doaj.org/article/2d08579cd0cc4ce49e484acaa2ccf2d3
Publikováno v:
مجلة المختار للعلوم, Vol 28, Iss 1 (2022)
Adsorption isotherm of an insecticide methomyl onto natural clay has been investigated. The experimental data were fitted to isotherm models, Langmuir, Freundlich and Redlich Peterson. The Langmuir model fit the experimental data significantly better
Externí odkaz:
https://doaj.org/article/724c1df99069460a8695914349e01179