{"id":200,"date":"2023-08-17T22:42:53","date_gmt":"2023-08-17T14:42:53","guid":{"rendered":"https:\/\/advance-ceramics.com\/?p=200"},"modified":"2023-08-18T12:29:20","modified_gmt":"2023-08-18T04:29:20","slug":"aktivovany-oxid-hlinity","status":"publish","type":"post","link":"https:\/\/advance-ceramics.com\/cs\/activated-alumina\/","title":{"rendered":"aktivovan\u00fd oxid hlinit\u00fd"},"content":{"rendered":"

Aktivovan\u00fd oxid hlinit\u00fd, zn\u00e1m\u00fd tak\u00e9 jako aktivovan\u00fd bauxit, aktivovan\u00fd oxid hlinit\u00fd nebo aktivovan\u00fd oxid hlinit\u00fd, se p\u0159i pou\u017eit\u00ed v katalyz\u00e1torech \u010dasto ozna\u010duje jako \"aktivovan\u00fd oxid hlinit\u00fd\" a je to por\u00e9zn\u00ed, vysoce disperzn\u00ed pevn\u00fd materi\u00e1l s velk\u00fdm povrchem, jeho\u017e mikropor\u00e9zn\u00ed povrch m\u00e1 vlastnosti pot\u0159ebn\u00e9 pro katal\u00fdzu, jako jsou adsorp\u010dn\u00ed vlastnosti, povrchov\u00e1 aktivita, vynikaj\u00edc\u00ed tepeln\u00e1 stabilita atd. Proto se \u0161iroce pou\u017e\u00edv\u00e1 jako katalyz\u00e1tor a nosi\u010d katalyz\u00e1toru pro chemick\u00e9 reakce. Je to por\u00e9zn\u00ed, vysoce dispergovateln\u00fd pevn\u00fd materi\u00e1l s velk\u00fdm povrchem a jeho mikropor\u00e9zn\u00ed povrch m\u00e1 vlastnosti po\u017eadovan\u00e9 pro katalytick\u00e9 p\u016fsoben\u00ed, jako jsou adsorp\u010dn\u00ed vlastnosti, povrchov\u00e1 aktivita, vynikaj\u00edc\u00ed tepeln\u00e1 stabilita atd., proto se \u0161iroce pou\u017e\u00edv\u00e1 jako katalyz\u00e1tor pro chemick\u00e9 reakce a nosi\u010d katalyz\u00e1tor\u016f. Sf\u00e9rick\u00fd aktivovan\u00fd oxid hlinit\u00fd adsorbent transform\u00e1torov\u00e9ho oleje jsou b\u00edl\u00e9 sf\u00e9rick\u00e9 por\u00e9zn\u00ed \u010d\u00e1stice, rovnom\u011brnost velikosti \u010d\u00e1stic aktivovan\u00e9ho oxidu hlinit\u00e9ho, hladk\u00fd povrch, vysok\u00e1 mechanick\u00e1 pevnost, siln\u00e1 hygroskopi\u010dnost, absorpce vody nenabobtn\u00e1 ani nepraskne, aby se zachoval p\u016fvodn\u00ed stav, netoxick\u00fd, bez z\u00e1pachu, nerozpustn\u00fd ve vod\u011b, ethanolu. Aktivovan\u00fd oxid hlinit\u00fd je druh vysoce \u00fa\u010dinn\u00e9ho vysou\u0161edla se stopov\u00fdm hloubkov\u00fdm vysou\u0161en\u00edm vody.<\/p>\n

Aktivovan\u00fd oxid hlinit\u00fd m\u00e1 selektivn\u00ed adsorp\u010dn\u00ed schopnost pro plyn, vodn\u00ed p\u00e1ru a ur\u010ditou kapalnou vlhkost. Po nasycen\u00e9 adsorpci jej lze o\u017eivit odstran\u011bn\u00edm vody zah\u0159\u00e1t\u00edm p\u0159i teplot\u011b p\u0159ibli\u017en\u011b 175-315 \u2103. Adsorpci a o\u017eiven\u00ed lze prov\u00e1d\u011bt mnohokr\u00e1t. Krom\u011b toho, \u017ee se pou\u017e\u00edv\u00e1 jako vysou\u0161edlo, lze jej tak\u00e9 pou\u017e\u00edt k adsorpci mazac\u00edch par ze zne\u010di\u0161t\u011bn\u00e9ho kysl\u00edku, vod\u00edku, oxidu uhli\u010dit\u00e9ho, zemn\u00edho plynu atd. tento druh kuli\u010dek oxidu hlinit\u00e9ho lze tak\u00e9 pou\u017e\u00edt jako katalyz\u00e1tor a katalytick\u00e9 \u010dinidlo. A lze je pou\u017e\u00edt jako katalyz\u00e1tor a nosi\u010d katalyz\u00e1toru a nosi\u010d anal\u00fdzy barevn\u00e9 vrstvy. Aktivovan\u00fd oxid hlinit\u00fd pat\u0159\u00ed do kategorie chemick\u00e9ho oxidu hlinit\u00e9ho, kter\u00fd se pou\u017e\u00edv\u00e1 hlavn\u011b jako adsorbent, \u010disti\u010d vody, katalyz\u00e1tor a nosi\u010d katalyz\u00e1toru, a jeho suroviny a metody p\u0159\u00edpravy se li\u0161\u00ed podle r\u016fzn\u00fdch aplikac\u00ed. Tento druh kuli\u010dek oxidu hlinit\u00e9ho lze pou\u017e\u00edt jako defluora\u010dn\u00ed \u010dinidlo pro pitnou vodu s vysok\u00fdm obsahem fluoru (velk\u00e1 kapacita), defluora\u010dn\u00ed \u010dinidlo pro cyklick\u00e9 alkany p\u0159i v\u00fdrob\u011b alkylbenzenu, odkyselovac\u00ed a regenera\u010dn\u00ed \u010dinidlo pro transform\u00e1torov\u00fd olej, su\u0161ic\u00ed \u010dinidlo pro kysl\u00edkov\u00fd pr\u016fmysl, textiln\u00ed pr\u016fmysl, elektronick\u00fd pr\u016fmysl, su\u0161en\u00ed automatiza\u010dn\u00edch p\u0159\u00edstroj\u016f v\u011btru a su\u0161ic\u00ed \u010dinidlo a \u010distic\u00ed \u010dinidlo pro hnojiva, petrochemick\u00fd su\u0161ic\u00ed pr\u016fmysl (rosn\u00fd bod a\u017e -40 stup\u0148\u016f) a v pr\u016fmyslu separace vzduchu. V pr\u016fmyslu separace vzduchu m\u016f\u017ee rosn\u00fd bod adsorpce s prom\u011bnliv\u00fdm tlakem dos\u00e1hnout a\u017e -55 stup\u0148\u016f. Jedn\u00e1 se o druh vysoce \u00fa\u010dinn\u00e9ho vysou\u0161edla pro hloubkov\u00e9 su\u0161en\u00ed stopov\u00e9 vody. Je velmi vhodn\u00fd pro bezteplotn\u00ed regenera\u010dn\u00ed za\u0159\u00edzen\u00ed.<\/p>\n

\"aktivovan\u00fd<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Activated alumina, also known as activated bauxite, or activated alumina or activated aluminium oxide, is often referred to as “activated alumina” when it is used in catalysts, and is a porous, highly dispersed solid material with a large surface area, and its microporous surface has the properties required for catalysis, such as adsorption properties, surface… \u010c\u00edst d\u00e1le »aktivovan\u00fd oxid hlinit\u00fd<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[8],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/posts\/200"}],"collection":[{"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/comments?post=200"}],"version-history":[{"count":3,"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/posts\/200\/revisions"}],"predecessor-version":[{"id":204,"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/posts\/200\/revisions\/204"}],"wp:attachment":[{"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/media?parent=200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/categories?post=200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/advance-ceramics.com\/cs\/wp-json\/wp\/v2\/tags?post=200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}