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Showing 1-30 of 34 results for "238058" within Papers
M R Gonçalves et al.
Water research, 46(13), 4217-4225 (2012-06-13)
A novel approach was developed for the energetic valorisation and treatment of olive mill wastewater (OMW), combining anaerobic digestion and electrochemical oxidation. The electrochemical treatment was proposed as the final step to mineralize the remaining OMW fraction from the anaerobic
Hiroshi Nishiyama et al.
ChemSusChem, 4(2), 208-215 (2011-02-18)
Sodium, niobium, and tantalum phosphate bronzes Na(4)M(8)P(4)O(32) (M=Nb, Ta) are employed as photocatalysts for water splitting to reveal the effects of the distortion of metal-oxygen octahedra on the photocatalytic performance. Addition of RuO(2) as a co-catalyst leads to high, stable
Serge Zhuiykov et al.
Talanta, 82(2), 502-507 (2010-07-07)
A Cu(2)O-doped RuO(2) sensing electrode (SE) for potentiometric detection of dissolved oxygen (DO) was prepared and its structure and electrochemical properties were analyzed by scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron microscopy (XPS) and energy-dispersive spectroscopy (EDS) techniques.
Sebastian Matera et al.
The Journal of chemical physics, 134(6), 064713-064713 (2011-02-17)
Microkinetic modeling of surface chemical reactions still relies heavily on the mean-field based rate equation approach. This approach is expected to be most accurate for systems without appreciable lateral interactions among the adsorbed chemicals, and there in particular for the
Li-li Xu et al.
Huan jing ke xue= Huanjing kexue, 28(9), 2009-2013 (2007-11-10)
Electrochemical oxidation ammonia is a new method of ammonia nitrogen wastewater treatment. A study was undertaken of electrochemical oxidation ammonia wastewater in cycle mobil-electrobath. The anode was Ti/RuO2-TiO2-IrO2-SnO2 expanded metal sheet electrode. The cathode was expanded metal sheet electrode. The
Syaifullah Muhammad et al.
Journal of hazardous materials, 215-216, 183-190 (2012-03-16)
Activated carbon (AC) and Zeolite Socony Mobil-5 (ZSM5) supported ruthenium oxide catalysts were prepared and tested to degrade aqueous phenol in the presence of peroxymonosulphate. The physicochemical properties of ruthenium oxide based catalysts were characterised by several techniques such as
Bong Gill Choi et al.
ChemSusChem, 5(4), 709-715 (2012-03-24)
A facilitated electrochemical reaction at the surface of electrodes is crucial for highly efficient energy conversion and storage. Herein, various nanoparticles (NPs) including Au, Pt, Pd, Ru, and RuO(2), were synthesized in situ and directly deposited on the ionic liquid
Nagaraju Shilpa et al.
ChemSusChem (2019-10-31)
Herein, an interconnected α-Co(OH)2 structure with a network-like architecture was used as a bifunctional electrocatalyst for the overall water splitting reaction in alkaline medium. The complexing ability of glycine with a transition metal was exploited to form [Co(gly)3 ]- dispersion
O Delmer et al.
Physical chemistry chemical physics : PCCP, 11(30), 6424-6429 (2009-10-08)
The chemical potential of a component of a binary metastable compound is considered in the single-phase and in the compositionally non-variant two-phase regime. A detailed thermodynamic analysis reveals striking differences for identical nominal compositions. Without the loss of generality the
Naiqiang Yan et al.
Environmental science & technology, 45(13), 5725-5730 (2011-06-15)
Catalytic conversion of elemental mercury (Hg(0)) to its oxidized form has been considered as an effective way to enhance mercury removal from coal-fired power plants. In order to make good use of the existing selective catalytic reduction of NO(x) (SCR)
Haotian Sun et al.
Acta biomaterialia, 64, 290-300 (2017-10-17)
A fully biodegradable zwitterionic polymer and the corresponding conjugate with paclitaxel (PTX) were synthesized as promising biomaterials. Allyl-functionalized polylactide (PLA) was employed as the precursor of polymer backbones. UV-induced thiol-ene reaction was conducted to conjugate thiol-functionalized sulfobetaine (SB) with the
Meixuan Li et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 7(2), 1901833-1901833 (2020-01-30)
Developing high-performance, low-cost, and robust bifunctional electrocatalysts for overall water splitting is extremely indispensable and challenging. It is a promising strategy to couple highly active precious metals with transition metals as efficient electrocatalysts, which can not only effectively reduce the
H Lu et al.
Advanced materials (Deerfield Beach, Fla.), 24(9), 1209-1216 (2012-01-27)
By using theoretical predictions based on first-principle calculations, we explore an interface engineering approach to stabilize polarization states in ferroelectric heterostructures with a thickness of just several nanometers.
M Gonçalves et al.
Bioresource technology, 99(17), 8207-8211 (2008-05-02)
Electrochemical treatment of oleate using RuO2 and IrO2 type dimensionally stable anodes in alkaline medium was performed to develop a feasible anaerobic pre-treatment of fatty effluents. The results showed that the pre-treated solutions over RuO2 were faster degraded by anaerobic
Hui Wang et al.
Journal of hazardous materials, 154(1-3), 44-50 (2007-11-13)
By using a self-made carbon/polytetrafluoroethylene (C/PTFE) O2-fed as the cathode and Ti/IrO2/RuO2 as the anode, the degradation of three organic compounds (phenol, 4-chlorophenol, and 2,4-dichlorophenol) was investigated in the diaphragm (with terylene as diaphragm material) electrolysis device by electrochemical oxidation
Aleksandar R Zeradjanin et al.
ChemSusChem, 5(10), 1897-1904 (2012-08-16)
The reaction path of the Cl(2) evolution reaction (CER) was investigated by combining electrochemical and spectroscopic methods. It is shown that oxidation and reconstruction of the catalyst surface during CER is a consequence of the interaction between RuO(2) and water.
Paul A DeSario et al.
ACS applied materials & interfaces, 9(3), 2387-2395 (2016-12-23)
Using a solution-based, non-line-of sight synthesis, we electrolessly deposit ultrathin films of RuO
Beena K Balan et al.
Inorganic chemistry, 51(18), 9766-9774 (2012-09-06)
Chemical-functionalization-induced switching in the property of a hybrid system composed of a hollow carbon nanofiber (CNF) and Pt and RuO(2) nanoparticles from charge storage to electrocatalysis is presented. The results of this study show how important it is to have
S Raghu et al.
Journal of hazardous materials, 139(2), 381-390 (2006-09-30)
The paper presents the results of an efficient electrochemical treatment of Procion Black 5B--a pilot plant study. Experiments were conducted at different current densities and selected electrolyte medium using Ti/RuO2 as anode, stainless-steel as cathode in a cylindrical flow reactor.
Chengzhi Hu et al.
Journal of environmental sciences (China), 24(2), 297-302 (2012-06-05)
A polyaluminum containing a high concentration of Al13 polymer and active chlorine (PACC) was successfully synthesized by a new electrochemical reactor using Ti/RuO2-TiO2 anodes. PACC can potentially be used as a dual-function chemical reagent for water treatment. The obtained results
Yanfen Peng et al.
Analytical chemistry, 83(3), 820-827 (2011-01-07)
A highly sensitive microRNA (miRNA) biosensor that employs ruthenium oxide nanoparticle (RuO(2) NP)-initiated polymerization of 3,3'-dimethoxybenzidine (DB) and miRNA-templated deposition of an insulating poly(3,3'-dimethoxybenzidine) (PDB) film is described in this work. The biosensor was made of a mixed monolayer of
Wen-Yan Liang et al.
Huan jing ke xue= Huanjing kexue, 31(6), 1464-1469 (2010-08-12)
The paper studied the variation of algal activity during the electrochemical inactivation and the influence factors by the use of TTC-dehydrogenase activity and neutral red staining assays. The treatment reactor was consisted of Ti/RuO2 rod as anode and stainless steel
Huayu Qian et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 22(50), 18259-18264 (2016-11-01)
Cobalt sulfide/sulfur doped carbon composites (Co9 S8 /S-C) were synthesized by calcining a rationally designed sulfur-containing cobalt coordination complex in an inert atmosphere. From the detailed transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) analyses, the electrocatalytically active Co9
Juan Alvarez et al.
Scientific reports, 9(1), 13987-13987 (2019-09-29)
Highly porous particles with internal triply periodic minimal surfaces were investigated for sorption of proteins. The visualization of the complex ordered morphology requires complementary advanced methods of electron microscopy for 3D imaging, instead of a simple 2D projection: transmission electron
Jelena Radjenovic et al.
Water research, 45(4), 1579-1586 (2010-12-21)
During membrane treatment of secondary effluent from wastewater treatment plants, a reverse osmosis concentrate (ROC) containing trace organic contaminants is generated. As the latter are of concern, effective and economic treatment methods are required. Here, we investigated electrochemical oxidation of
B Sachin Kumar et al.
Dalton transactions (Cambridge, England : 2003), 48(33), 12684-12698 (2019-08-07)
Producing pure H2 and O2 to sustain the renewable energy sources with minimal environmental damage is a key objective of photo/electrochemical water-splitting research. Metallic Ni-based electrocatalysts are expensive and eco-hazardous. This has rendered the replacement or reduction of Ni content
Somi Yoo et al.
Nanoscale, 9(21), 7104-7113 (2017-05-18)
The enhancement in electrical transport properties of exfoliated individual RuO
Dong-Jin Yun et al.
ACS applied materials & interfaces, 4(9), 4588-4594 (2012-08-23)
RuO(2) films were deposited on SiO(2) (300 nm)/N++Si substrates using radio frequency magnetron sputtering at room temperature. As-deposited RuO(2) films were annealed at different temperatures (100, 300, and 500 °C) and ambients (Ar, O(2) and vacuum), and the resulting effects
Xiaogeng Feng et al.
Journal of colloid and interface science, 575, 69-77 (2020-05-04)
Rational design and synthesis of multifunctional electrocatalysts with high-efficient activity and robust stability toward the oxygen reduction reaction (ORR), hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are highly desirable, but remain a challenging step. Herein, a novel hollow
Todd P Luxton et al.
Journal of colloid and interface science, 359(1), 30-39 (2011-04-23)
Ruthenium oxides (RuO(2)·1·10H(2)O and RuO(2)) have been synthesized by forced hydrolysis and oxidation of ruthenium chloride. The resulting materials were extensively characterized to determine the crystallinity, surface area, and ruthenium oxidation state. Surface charging experiments indicate a large quantity of
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