{"id":6250,"date":"2023-11-20T14:16:41","date_gmt":"2023-11-20T13:16:41","guid":{"rendered":"https:\/\/www.techscale.cz\/?p=6250"},"modified":"2023-12-06T09:10:29","modified_gmt":"2023-12-06T08:10:29","slug":"nove-moznosti-upravy-vody-mohou-nabidnout-jednoatomove-katalyzatory","status":"publish","type":"post","link":"https:\/\/www.techscale.cz\/cs\/2023\/11\/20\/nove-moznosti-upravy-vody-mohou-nabidnout-jednoatomove-katalyzatory\/","title":{"rendered":"Nov\u00e9 mo\u017enosti \u00fapravy vody mohou nab\u00eddnout jednoatomov\u00e9 katalyz\u00e1tory"},"content":{"rendered":"[vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][split_line_heading animation_type=“line-reveal-by-space“ font_style=“h2″ line_reveal_by_space_text_effect=“default“ content_alignment=“default“ mobile_content_alignment=“inherit“ link_target=“_self“ text_content=“Nov\u00e9 perspektivy v oblasti \u010di\u0161t\u011bn\u00ed vod s d\u016frazem na udr\u017eitelnost prost\u0159ed\u00ed p\u0159edstavili auto\u0159i z CATRIN Univerzity Palack\u00e9ho, Centra energetick\u00fdch a environment\u00e1ln\u00edch technologi\u00ed V\u0160B-TUO a Texas A&M University v p\u0159ehledov\u00e9m \u010dl\u00e1nku v presti\u017en\u00edm \u010dasopise Chemical Society Reviews, kter\u00fd na n\u011bj graficky upozor\u0148uje i na sv\u00e9m p\u0159ebalu. Hlavn\u00ed pozornost v\u00fdzkumn\u00edci soust\u0159edili na vyu\u017eit\u00ed metody in\u017een\u00fdrstv\u00ed na \u00farovni jednotliv\u00fdch atom\u016f a jej\u00edmu srovn\u00e1n\u00ed s tradi\u010dn\u00edmi technologiemi \u00fapravy vody.“ font_size=“2vw“ font_size_phone=“5vw“ font_line_height=“1.3″][\/split_line_heading][divider line_type=“No Line“ custom_height=“25″][vc_column_text]\n

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Pilotn\u00ed aplikace jednoatom\u00e1rn\u00edch katalyz\u00e1tor\u016f (Single Atom Catalysts, SACs) v technologi\u00edch \u00fapravy vody se objevily teprve ned\u00e1vno. P\u0159ehledov\u00fd \u010dl\u00e1nek vypracovan\u00fd na z\u00e1klad\u011b pozv\u00e1n\u00ed editor\u016f Royal Society of Chemistry p\u0159edstavuje vyu\u017eit\u00ed SACs p\u0159i aktivaci peroxidu vod\u00edku a persulf\u00e1t\u016f k produkci reaktivn\u00edch chemick\u00fdch forem vyu\u017eiteln\u00fdch v procesech \u00fapravy vody a porovn\u00e1v\u00e1 mechanismy t\u011bchto proces\u016f s\u00a0tradi\u010dn\u00edmi technologiemi \u010di\u0161t\u011bn\u00ed vod.<\/p>\n

\u201eNejv\u011bt\u0161\u00edm probl\u00e9m sou\u010dasn\u00fdch technologi\u00ed \u010di\u0161t\u011bn\u00ed vod je obt\u00ed\u017en\u00e9 odstran\u011bn\u00ed velmi n\u00edzk\u00fdch mno\u017estv\u00ed n\u011bkter\u00fdch polutant\u016f, zejm\u00e9na v\u00a0p\u0159\u00edtomnosti anorganick\u00fdch iont\u016f a p\u0159\u00edrodn\u00ed organick\u00e9 hmoty, kter\u00e9 se obvykle ve vod\u011b vyskytuj\u00ed v\u00a0mnohem vy\u0161\u0161\u00edch koncentrac\u00edch. Ukazuje se, \u017ee vyu\u017eit\u00ed vhodn\u00fdch jednoatom\u00e1rn\u00edch katalyz\u00e1tor\u016f p\u0159edstavuje z\u00e1sadn\u00ed zm\u011bnu v\u00a0odstra\u0148ov\u00e1n\u00ed stopov\u00fdch mno\u017estv\u00ed toxick\u00fdch l\u00e1tek s vysokou \u00fa\u010dinnost\u00ed. V\u00a0pilotn\u00edch aplikac\u00edch nebyl pozorov\u00e1n t\u00e9m\u011b\u0159 \u017e\u00e1dn\u00fd vliv chlorid\u016f, uhli\u010ditan\u016f, fosf\u00e1t\u016f a p\u0159\u00edrodn\u00edch organick\u00fdch l\u00e1tek, kter\u00e9 by sni\u017eovaly \u00fa\u010dinnost SACs p\u0159i likvidaci zne\u010dis\u0165uj\u00edc\u00edch l\u00e1tek ve vod\u011b. To otev\u00edr\u00e1 nov\u00e9 mo\u017enosti \u0159e\u0161en\u00ed celosv\u011btov\u00e9ho probl\u00e9mu, j\u00edm\u017e je\u00a0 nar\u016fstaj\u00edc\u00ed nedostatek pitn\u00e9 vody a s\u00a0t\u00edm souvisej\u00edc\u00ed pot\u0159eba jej\u00edho op\u011btovn\u00e9ho vyu\u017eit\u00ed,\u201c uvedl jeden z\u00a0koresponduj\u00edc\u00edch autor\u016f Radek Zbo\u0159il z\u00a0CATRIN Univerzity Palack\u00e9ho, kter\u00fd rovn\u011b\u017e vede v\u00fdzkumnou laborato\u0159 v\u00a0Centru energetick\u00fdch a environment\u00e1ln\u00edch technologi\u00ed V\u0160B-TUO.<\/p>\n

Auto\u0159i se ve studii zam\u011b\u0159uj\u00ed na porovn\u00e1n\u00ed \u00fa\u010dinnosti jednoatom\u00e1rn\u00edch katalyz\u00e1tor\u016f s\u00a0tradi\u010dn\u00edmi oxida\u010dn\u00edmi procesy. Krom\u011b \u0159ady podobnost\u00ed v\u00a0oblasti tvorby reaktivn\u00edch radik\u00e1l\u016f doch\u00e1z\u00ed ke zji\u0161t\u011bn\u00ed, \u017ee SACs s\u00a0laditeln\u00fdm koordina\u010dn\u00edm okol\u00edm a valen\u010dn\u00edm stavem kov\u016f mohou generovat v\u00fdhradn\u011b neradik\u00e1lov\u00e9 chemick\u00e9 formy dovoluj\u00edc\u00ed vysoce \u00fa\u010dinn\u00e9 \u010di\u0161t\u011bn\u00ed vody \u010dasto ve velmi slo\u017eit\u00fdch chemick\u00fdch matric\u00edch. Pr\u00e1v\u011b vysok\u00e1 \u00fa\u010dinnost SACs pro odstran\u011bn\u00ed velmi toxick\u00fdch l\u00e1tek p\u0159i sou\u010dasn\u00e9 eliminaci vlivu dal\u0161\u00edch slo\u017eek obsa\u017een\u00fdch ve vod\u011b sk\u00fdt\u00e1 obrovsk\u00fd potenci\u00e1l z hlediska v\u00fdvoje nov\u00fdch udr\u017eiteln\u00fdch technologi\u00ed \u010di\u0161t\u011bn\u00ed vod s\u00a0velk\u00fdm komer\u010dn\u00edm potenci\u00e1lem.<\/p>\n

\u010cl\u00e1nek vznikl tak\u00e9 d\u00edky podpo\u0159e projekt\u016f REFRESH \u2013 Research Excellence For REgion Sustainability and High-tech Industries project (CZ.10.03.01\/00\/22_003\/0000048) z\u00a0opera\u010dn\u00edho programu Spravedliv\u00e1 transformace a projektu TECHSCALE (CZ.02.01.01\/00\/22_008\/0004587) opera\u010dn\u00edho programu Jan Amos Komensk\u00fd.[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

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