Electrochemical degradation of herbicide 2,4-dichlorophenoxyacetic acid (2,4-d) in acidic water solutions on the platinized platinum anode

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Abstract


Anode oxidation of herbicide 2,4-D on the platinized platinum electrode in acidic water solutions in the galvanostatic mode was investigated. Degree of degradation for 2,4-D was detected by a decrease of the total organic carbon with increasing electrolysis time and on reduction of peak 2,4-D in UV a spectrum. Speed of decomposition 2,4-D in a sour water solution correspond to the equation of the first order with rate constant equal to 6 ⋅ 10-5 s-1.
On the basis of analysis UV, IR and chromatography-mass-spectra made assumptions about possible intermediate products of decomposition.

J V Gutierrez

Peoples' Friendship University of Russia

Email: vilard17@vahoo.com
Peoples' Friendship University of Russia

E N Kolosov

Peoples' Friendship University of Russia

Email: e-mail@rambler.ru
Peoples' Friendship University of Russia

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