Nbibi nke oxytetracycline nke oxytetracycline site na otu ikuku oxygen n'ime oxidation dị ka Fenton

N'oge na-adịbeghị anya, otu nyocha nke Prọfesọ Kong Lingtao sitere na Hefei Institute of Physics, Chinese Academy of Sciences akwadola oghere amorphous Co/C mejupụtara ihe maka ịgbalite hydrogen peroxide (H2O2) iji mee ka ikuku oxygen dị n'otu ma ghọta nhọrọ nke oxytetracycline (OTC) na mgbagwoju anya. mmiri matrices. Mkpochapụ mmekọahụ. E bipụtara nsonaazụ ya na akwụkwọ akụkọ Chemical Engineering.googletag.cmd.push(ọrụ () {googletag.display('div-gpt-ad-1449240174198-2');});
OTC bụ ọgwụ nje tetracycline a na-ahụkarị na anụ ụlọ. Enwere ike ịchọpụta ya na mpaghara nwere nkwụsi ike nke ndu, dị ka mmiri na ala, nke a na-apụghị iwepụ nke ọma site n'ụzọ nkà na ụzụ.
Dị ka nkà na ụzụ oxidation dị elu dị mfe ma dị irè, a na-ewere Fenton-dị ka oxidation dị ka ụzọ dị irè maka njikwa mmetọ mmiri.Dịka electrophilic na-adịghị radical, singlet oxygen na-egosipụta ikike mgbochi nnyonye anya magburu onwe ya na ndabere ndabere, nke na-enye aka maka iwepụ nhọrọ nhọrọ. nke organic pollutants nwere electron-ọgaranya otu. Otú ọ dị, na ọtụtụ Fenton-dị ka mmeghachi omume, mkpụrụ nke singlet oxygen dị ala na onyinye dị obere.
N'ime ọmụmụ ihe a, ndị nchọpụta ahụ haziri ma mepụta Co/C amorphous oghere nke nwere ọnụ ọgụgụ dị ukwuu nke ọrụ oxygen nwere ọrụ dị ka carbonyl na hydroxyl otu kesara n'elu.
Ha nwetara ihe Co / C-3 site n'ịkwalite oke nke cobalt na carbon, wee nweta mmebi kachasị mma nke 20 ppm OTC site n'ịkwalite H2O2 na pH na-anọpụ iche. Usoro mmebi nke catalytic na-egosipụta ọmarịcha repeatability, nkwụsi ike na mgbochi nnyonye anya ike. Nsonaazụ nke quenching nnwale na eletrọn paramagnetic resonance kwadoro na oxygen singlet agbanwere bụ isi ụdị oxidizing, na enweghị hydroxyl radical. pụtara na usoro.
Mmekọrịta dị n'etiti cobalt na ikuku oxygen na-arụ ọrụ dị iche iche dị n'ime ihe ahụ na-arụ ọrụ dị mkpa n'ịkwalite hydrogen peroxide na nhazi nke oxygen singlet. Tụkwasị na nke ahụ, a na-ekpughekwa ụzọ ndị nwere ike imebi ihe na ihe ecotoxicity nke OTC na ndị na-etiti ya.
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Oge nzipu: Mar-16-2022