Method for treating poisonous and organic pollutant atrazine through modified electrode in electrocatalytic oxidation mode
A technology of electrocatalytic oxidation of organic pollutants, applied in the direction of oxidized water/sewage treatment, water pollutants, chemical instruments and methods, etc., can solve the problems of high electrocatalytic activity, unreliable bonding, large NT resistance, etc., and achieve electrode High activity, low energy consumption, easy access to equipment
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Embodiment 1
[0029] This example uses Y 2 o 3 -PbO 2 / SnO 2 -RuO 2 -Ce / Ni-TiO 2 - A method for treating toxic organic pollutant atrazine by electrocatalytic oxidation of NTs / Ti modified electrode, the steps of which are as follows:
[0030] Step 1, preparing titanium dioxide nanotube arrays; increasing the specific surface area of metal oxide deposition. The specific operation steps are:
[0031] 1) Pretreatment of titanium sheet: use titanium metal with a purity of 99.7% as the substrate, and polish the titanium substrate with 600, 1000, and 2000 mesh emery paper respectively, and then wash and remove the titanium substrate with secondary water, acetone, and absolute ethanol in sequence after polishing. Then put the degreased titanium substrate into the mixed solution of HF, ethylene glycol and deionized water to corrode for 10 minutes, and finally wash it ultrasonically with secondary water and absolute ethanol in sequence, and dry it at room temperature for use.
[0032] 2), pr...
Embodiment 2
[0041] This example uses Y 2 o 3 -PbO 2 / SnO 2 -RuO 2 -Ce / Ni-TiO 2 - A method for treating toxic organic pollutant atrazine by electrocatalytic oxidation of NTs / Ti modified electrode, the steps of which are as follows:
[0042] Step 1, preparing titanium dioxide nanotube arrays; increasing the specific surface area of metal oxide deposition. The specific operation steps are:
[0043] 1) Pretreatment of titanium sheet: use titanium metal with a purity of 99.7% as the substrate, and polish the titanium substrate with 600, 1000, and 2000 mesh emery paper respectively, and then wash and remove the titanium substrate with secondary water, acetone, and absolute ethanol in sequence after polishing. Then put the degreased titanium substrate into the mixed solution of HF, ethylene glycol and deionized water to corrode for 10 minutes, and finally wash it ultrasonically with secondary water and absolute ethanol in sequence, and dry it at room temperature for use.
[0044] 2), pr...
Embodiment 3
[0051] This example uses Y 2 o 3 -PbO 2 / SnO 2 -RuO 2 -Ce / Ni-TiO 2 - A method for treating toxic organic pollutant atrazine by electrocatalytic oxidation of NTs / Ti modified electrode, the steps of which are as follows:
[0052] Step 1, preparing titanium dioxide nanotube arrays; increasing the specific surface area of metal oxide deposition. The specific operation steps are:
[0053] 1) Pretreatment of titanium sheet: use titanium metal with a purity of 99.7% as the substrate, and polish the titanium substrate with 600, 1000, and 2000 mesh emery paper respectively, and then wash and remove the titanium substrate with secondary water, acetone, and absolute ethanol in sequence after polishing. Then put the degreased titanium substrate into the mixed solution of HF, ethylene glycol and deionized water to corrode for 10 minutes, and finally wash it ultrasonically with secondary water and absolute ethanol in sequence, and dry it at room temperature for use.
[0054] 2), pr...
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