Electrochemical treatment of wastewater containing organic pollutants
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The electrochem. oxidn. (or combustion) of orgs. with simultaneous oxygen evolution has been investigated using different oxide electrodes. A simplified mechanism for the electrochem. oxidn. of orgs. is presented, according to which selective oxidn. occurs ...
A dimensionally stable anode with enhanced durability for use in electrochem. processes (e.g. those involving evolution of Cl2 or O2) is described. The anode consists of a substrate of >=1 metals or metal oxides provided with an outer Ta surface coated wit ...
(Electricite De France Service National, Fr.).1997
The aim was to examine the anodic oxidn. of some benzene derivs. (model org. pollutants) at Pt and DSA (dimensionally stable anodes) type anodes to elucidate the possibilities of the electrochem. method and to elucidate the mechanism of the reaction. ...
Electrochem. oxidn. of orgs. at thermally prepd. dimensionally stable metal oxide anodes (DSA) has been studied. In reactions involving only simple electron transfer, oxide electrodes exhibit an electrocatalytic activity similar to that of noble metal elec ...
The electrochem. oxidn. of phenol for wastewater treatment was studied on doped SnO2 anodes. Anal. of reaction intermediates and a C balance showed that the main reaction is oxidn. of phenol to CO2. This unexpected behavior of the SnO2 anode is explained b ...
A review, with 29 refs., on the anodic oxidn. of orgs. in industrial wastewaters treatment. Direct electrochem. processes catalyzed by the O transfer reaction are discussed for several anode materials. Ti/SnO2 is particularly efficient for cold combustion ...
he electrochemical oxidation of phenol for waste water treatment was studied at a platinum anode. Analysis of reaction intermediates and a carbon balance has shown that the reaction occurs by two parallel pathways; chemical oxidation with electrogenerated ...
The electro-oxidn. of 1,4-benzoquinone in water soln. was investigated. The benzoquinone concn., intermediate products, dissolved org. C (DOC), COD, and toxicity of the oxidized soln. was monitored during oxidn. with Ti/IrO2 and Ti/SnO2 anodes (in the foll ...
Electrochem. oxidn. (or combustion) of orgs. with simultaneous O evolution was investigated using different electrode material (Pt, Ti/IrO2, Ti/SnO2). A simplified mechanism for org. electrochem. oxidn./combustion is presented according to which selective ...
It is confirmed that Ag(I) is a very effective catalyst for the oxidn. of Mn(II) to permanganate. At anodic potentials below + 1300 mV (vs. Hg/Hg2SO4.K2SO4 ref. electrode) in 30% H2SO4 at 10 Deg, the current efficiency of permanganate formation is high; ab ...
