Ua tiav Kev Ntsuam Xyuas Ntawm Chlorine Mediated Cascade Reaction hauv Titanium Anode Phaj

Ua kom tiav Kev Ntsuam Xyuas ntawm Chlorine Mediated Cascade Reaction hauv Titanium Anode Phaj

Electrocatalytically, Ti anode ua rau "chlorine-mediated reactive-oxygen cascade" hauv dej pas dej. RuO₂–IrO₂ zaj duab xis yog xim hlau (carrier ntom 10²¹ cm⁻³) nrog ad-band center ntawm -1.8 eV uas phim Cl⁻/Cl₂ redox qib; Tafel txoj kab nqes rau cov tshuaj chlorine evolution tsuas yog 38 mV dec⁻¹ piv rau 120 mV dec⁻¹ rau cov pa oxygen, ua kom muaj kev xaiv siab. Electro-tsim Cl₂ hydrolyses rau HOCl/OCl⁻, uas ua rau cov organic teeb meem los ua mono- thiab dichloramines uas nws ib nrab-lub neej yog 3–5 × ntev dua li cov tshuaj dawb dawb, tswj 0.3–0.5 mg L⁻¹ residual ntawm cov kav dej. HOCl kuj absorbs 290 nm tshav ntuj, photolysing rau ·OH ntawm ib tug khov kho- xeev 10⁻¹⁴ M, synergistically inactivating chlorine-resistant Cryptosporidium parvum oocysts.

Lub phaj-thiab- ncej cell muaj 3 hli electrode qhov sib txawv, 0.8 s hydraulic chaw nyob, Re=3500, tiv thaiv CaSO₄·2H₂O scaling. Siab- zaus PWM tswj kom lub peev xwm anode qis dua 1.6 V vs. RHE, suppressing chlorate; Qhov hluav taws xob ClO₃⁻ yog <0.02 mg L⁻¹, zoo hauv qab WHO cov lus qhia ntawm 0.7 mg L⁻¹.

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