Electrochemical treatment of industrial wastewater
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A high molecular weight water soluble graft copolymer having improved flocculating properties is provided. The backbone chain is a heteropolysaccharide comprising amino groups, in particular chitosan, grafted with one or more monoethylenically unsaturated ...
The electrochem. behavior of PbO2 and synthetic B-doped diamond thin film electrodes (BDDs) was studied in acid media contg. 4-chlorophenol (4-CP) by bulk electrolysis under different exptl. conditions. To quantify the electrochem. activity of a given elec ...
Boron doped diamond films have been deposited by large area hot-filament CVD (HFCVD) on silicon, silicon carbide, and different industrial electrode materials, like niobium, tantalum, titanium, tungsten, zirconium, and graphite on areas up to 40 cm * 60 cm ...
A review without refs. on new concepts for chem. processes such as non-stationary process control, microreactors, and structured packings. Glass fiber catalysts with modified and/or coated surfaces are presented with 2 reactor concepts: packed bubble colum ...
The electrochem. oxidn. of 3-methylpyridine (3-MP) at synthetic boron-doped diamond (BDD) thin film electrode was studied in acid media by cyclic voltammetry and bulk electrolysis. The results showed that in the potential region of water stability there ca ...
A review with 15 refs. with application examples, including mechanism of electrochem. oxidn. of org. compds. in aq. soln., anodic oxidn. of phenol over PbO2, characteristic parameters of electrochem. treatment, and economic considerations. [on SciFinder (R ...
The catalytic activity of IrO2 catalyst used as an electrode on a YSZ solid electrolyte cell for the gas phase combustion of ethylene can be increased by electrochem. pre-treatment. Thus, the polarization of the IrO2 electrode for 90 min at 300 mA, relativ ...
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 ...
The electrochem. oxidn. of phenol in the presence of NaCl for wastewater treatment was studied at Ti/SnO2 and Ti/IrO2 anodes. The presence of NaCl catalyzes the anodic oxidn. of phenol only at Ti/IrO2 anodes due to the participation of electrogenerated ClO ...
Ultrafiltration based on the use of co-polyelectrolytes bearing carboxyl, sulfonate, and tertiary amino groups was used to investigate removal of divalent ions from aq. solns. The efficiency of metal sepn. was evaluated for model solns. of Cu2+, Zn2+, Mn2+ ...
