Showing papers in "Chemical Engineering Journal in 2013"

TL;DR: In this paper, the potential of surface modified activated carbons towards water treatment has been discussed and a review article is aimed at providing precise information on efforts made by various researchers in the field of surface modification of activated carbon for water pollution control.

TL;DR: Graphene oxide and graphene are new carbonaceous nanomaterials as discussed by the authors and have a large theoretical specific surface area and graphene oxide has functional groups, indicating their potential for the adsorption processes.

TL;DR: In this paper, magnetic graphene oxide (MGO) was synthesized and used as an adsorbent for simultaneous removal of Cd(II) and ionic dyes including methylene blue (MB) and orange G (OG).

TL;DR: In this article, the effect of initial oxidant concentration on photo-assisted persulfate (PS), hydrogen peroxide (H 2 O 2 ) and peroxymonosulfates (PMS) oxidation processes were evaluated and compared for aqueous phenol degradation.

TL;DR: In this article, a magnetic EDTA-modified chitosan/SiO2/Fe3O4 adsorbent (EDCMS) was developed for removal of heavy metals ions from aqueous solution.

TL;DR: In this paper, the effectiveness of electrochemical advanced oxidation processes (EAOPs) for the removal of anti-inflammatory and analgesic pharmaceuticals from aqueous systems is reviewed and discussed.

TL;DR: In this paper, a comprehensive review on the development and application of 3D electrochemical process is presented, including anode and cathode materials, particle electrode materials and their catalysts.

TL;DR: In this article, a review describes recent developments in the synthesis, modification and practical applications of nanoparticles (NPs) and also describes the methods of NPs incorporation in various matrices.

TL;DR: In this paper, a biochar based composite material with AlOOH nano-flakes was fabricated from AlCl 3 pretreated biomass through slow pyrolysis in a N 2 environment at 600°C.

TL;DR: In this paper, the SiO2 shell was coated on Fe3O4 nanoparticle by hydrolyzation of Na2SiO3, and then thiol groups were modified on the Fe 3O4@SiO2 through silanization reaction.

TL;DR: In this article, the potential of the prepared nanofiber membrane for adsorption of nickel (Ni), cadmium (Cd), lead (Pb) and copper (Cu) from aqueous solution was investigated.

TL;DR: In this article, chitosan-modified biochars were synthesized in efforts to produce a low-cost adsorbent for heavy metal environmental remediation, and the results showed that the coating of chitosa on biochar surfaces could improve its performance as a soil amendment or an adorbent.

TL;DR: In this article, a mesoporous composite adsorbent was proposed for simultaneous detection and removal of Cu(II) ions in natural waters using 3-(((5-ethoxybenzenethiol)imino)methyl)-salicylic acid (EBMS) immobilization onto mesophorous silica monoliths.

TL;DR: In this paper, a mesoporous adsorbent was fabricated by direct immobilization of a synthesized (3-(methoxycarbonyl)benzylidene) hydrazinyl)benzoic acid onto mesophorous silica monoliths and tested for its potential application of Cu(II) ions sensing and removal from wastewater.

TL;DR: Graphene/MgAl-layered double hydroxides (GmAl-LDH) nanocomposite was prepared by urea-hydrolyzed hydrothermal reaction of Al(NO3)3·9H2O, Mg( NO3)2·6H 2O, and graphene oxide (GO) as discussed by the authors.

TL;DR: A facile synthesis strategy for preparing Fe3O4@ZIF-8 magnetic core-shell microspheres has been successfully developed as mentioned in this paper, which involves first pre-treating the magnetic cores with an anionic polyelectrolyte to alter the surface charge of the particles and adsorb Zn2+ cations to initiate nucleation.

TL;DR: In this article, the performance of carbamazepine (CBZ) degradation oxone by UVC (253.7nm) irradiation in the presence of different common oxidants including peroxymonosulfate (PMS), hydrogen peroxide (H2O2), and persulfate(PS).

TL;DR: In this article, the blending/additives modifications of polyethersulfone membranes were performed to increase the membrane flux as well as the hydrophilicity, and three types of additives were introduced, including hydrophilic, amphiphilic, and inorganic materials.

TL;DR: In this paper, it was shown that CuFe2O4 magnetic nanoparticles (MNPs) possessed high catalytic performance in the reduction of nitrophenol for the first time.

TL;DR: In this paper, the microstructure of the zeolite supports, identity of copper species, acidity and reactant adsorption ability were investigated in detail using various characterization methods.

TL;DR: In this paper, a micrometric Fe 0 particles (MIPs) was tested on sulfamethoxazole (SMX) solution in aqueous media of slightly acidic pH.

TL;DR: In this paper, the authors used graphene oxide functionalized magnetic particles (GO-MPs) as adsorbents for removing four TCs including tetracycline antibiotics (TCs) from aqueous solution.

TL;DR: In this paper, a novel BiOCl-C3N4 heterojunction was synthesized through an ionic-liquid-assisted solvent-thermal method, through which a highly dispersed heterointerface was formed with almost no loss of C 3N4, which increased the visible light photocatalytic activity 3.3-fold relative to that of a sample of a mechanically mixed counterpart of this composition.

TL;DR: In this article, a composite of zeolite and nanoscale zero-valent iron (Z-nZVI) overcomes these problems and shows good potential to remove Pb from water.

TL;DR: In this article, the sorption behavior of U(VI) on the surface of Fe 3 O 4 /GO was carried out under ambient conditions such as contact time, pH and ionic strength according to concentration of C U(vi)initial ǫ = 1.12 −10 −4 �/L. The experimental results showed that the Fe3 O 4/GO is a promising adsorbent for the removal of radionuclides and heavy metal ions from large volumes of aqueous solution.

TL;DR: In this paper, the competitive absorption of Pb(II), Cd(II) and Cr(III) onto titanate nanotubes were systematically investigated, and interactions between metal ions and TNTs were studied using X-ray photoelectron spectroscopy (XPS).

TL;DR: In this paper, Lanthanum was mixed with iron to obtain the composite metallic (hydr)oxide which are doped onto activated carbon fiber (ACF), named as ACF-LaFe, for phosphate adsorption.

TL;DR: In this paper, the degradation of atrazine, a widely used endocrine disrupting, carcinogenic and persistent herbicide, was investigated by photo-Fenton-like advanced oxidation technologies.

TL;DR: A mass transfer model that incorporates both surface and intraparticle diffusion theory into the convection-dispersion equation (CDE) is developed to identify the key process controlling the rate of TC and CAP adsorption as mentioned in this paper.

TL;DR: In this paper, the removal of Zn, Ni, Cu, Co, and Cd(II) ions from aqueous solutions was investigated using succinic anhydride modified mercerized nanocellulose.