Optimization and genetic programming modeling of humic acid adsorption onto prepared activated carbon and modified by multi-wall carbon nanotubes
Created by W.Langdon from
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- @Article{NOORIMOTLAGH:2020:Polyhedron,
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author = "Zahra Noorimotlagh and Maryam Ravanbakhsh and
Mohammad Reza Valizadeh and Behrouz Bayati and
George Z. Kyzas and Mehdi Ahmadi and Nadereh Rahbar and
Neemat Jaafarzadeh",
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title = "Optimization and genetic programming modeling of humic
acid adsorption onto prepared activated carbon and
modified by multi-wall carbon nanotubes",
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journal = "Polyhedron",
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volume = "179",
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pages = "114354",
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year = "2020",
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ISSN = "0277-5387",
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DOI = "doi:10.1016/j.poly.2020.114354",
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URL = "http://www.sciencedirect.com/science/article/pii/S0277538720300115",
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keywords = "genetic algorithms, genetic programming, Adsorption,
Activated carbon, Carbon nanotube, Humic acid, Genetic
programming modeling",
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abstract = "Milk vetch species (MV) as activated carbon (AC)
precursors were prepared and modified by multi-wall
carbon nanotubes (CNTs) in order to remove humic acid
(HA) removal. Scanning electron microscopy (SEM),
diffuse reflectance infrared Fourier transform
spectroscopy (FTIR) and Brunauer Emmett Teller (BET)
techniques were applied to characterized MVAC/CNTs. The
HA adsorption presented the highest value (22.57 mg/g)
at pH 3, while the equilibrium state was reached after
30 min. By increasing the adsorbent's dosage (0.4-0.5
g/L), the removal efficiency was also improved from
90.3 to 97.6percent. The kinetics of adsorption were
fitted to the pseudo-second-order model (R2 = 0.9991).
The Langmuir isotherm model was well fitted to the
equilibrium data revealing monolayer adsorption model
of HA onto the MVAC/CNTs with the maximum capacity of
73.29 mg/g (R2 = 0.9967). The obtained values of
thermodynamic parameters indicated that the HA
adsorption was spontaneous, endothermic and physical in
nature. Also, genetic programming was used to obtain an
appropriate equation revealing the relationship between
the variables. The results showed that the introduced
equation can successfully predict the HA removal. All
experimental results suggested that MVAC/CNTs are
promising adsorbents for the contaminated (with HA)
water",
- }
Genetic Programming entries for
Zahra Noorimotlagh
Maryam Ravanbakhsh
Mohammadreza Valizadeh
Behrouz Bayati
George Z Kyzas
Mehdi Ahmadi
Nadereh Rahbar
Neemat Jaafarzadeh
Citations