{"id":54633,"date":"2015-08-12T18:32:31","date_gmt":"2015-08-12T21:32:31","guid":{"rendered":"http:\/\/www.unicap.br\/assecom1\/?p=54633"},"modified":"2015-08-13T15:07:56","modified_gmt":"2015-08-13T18:07:56","slug":"quarta-ambiental-discute-oxidacao-avancada","status":"publish","type":"post","link":"https:\/\/www1.unicap.br\/assecom1\/quarta-ambiental-discute-oxidacao-avancada\/","title":{"rendered":"&#8216;Quarta Ambiental&#8217; discute oxida\u00e7\u00e3o avan\u00e7ada"},"content":{"rendered":"<figure id=\"attachment_54654\" aria-describedby=\"caption-attachment-54654\" style=\"width: 1024px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?ssl=1\"><img data-attachment-id=\"54654\" data-permalink=\"https:\/\/www1.unicap.br\/assecom1\/quarta-ambiental-discute-oxidacao-avancada\/_mg_3890\/\" data-orig-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?fit=3861%2C2574&amp;ssl=1\" data-orig-size=\"3861,2574\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Canon EOS 5D Mark II&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1439399372&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;50&quot;,&quot;iso&quot;:&quot;320&quot;,&quot;shutter_speed&quot;:&quot;0.008&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"_MG_3890\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?fit=300%2C200&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?fit=640%2C427&amp;ssl=1\" loading=\"lazy\" class=\"wp-image-54654 size-large\" src=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?resize=640%2C427&#038;ssl=1\" alt=\"_MG_3890\" srcset=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?resize=50%2C33&amp;ssl=1 50w, https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3890.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"(max-width: 640px) 100vw, 640px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-54654\" class=\"wp-caption-text\">Fotos: Gustavo Gloria<\/figcaption><\/figure>\n<p>O projeto <em>Quarta Ambiental<\/em> desta semana discutiu os <em>Processos Oxidativos Avan\u00e7ados no Tratamento da \u00c1gua.\u00a0<\/em>Quem falou sobre o assunto foi a professora da Unicap Valderice Pereira Baydum.<\/p>\n<p>Mestre e doutora em Engenharia Qu\u00edmica pela UFPE, especialista em Gest\u00e3o Ambiental e graduada em\u00a0Engenharia Ambiental pela pr\u00f3pria Cat\u00f3lica e em Qu\u00edmica Industrial tamb\u00e9m pela UFPE, a palestrante ainda atua como analista de saneamento qu\u00edmico pela Compesa.<\/p>\n<p>Vaderice come\u00e7ou sua explana\u00e7\u00e3o apresentando dados (veja nos slides abaixo) da \u00e1gua existente no planeta e que o l\u00edquido pot\u00e1vel est\u00e1 cada vez mais escasso, da\u00ed a import\u00e2ncia do tratamento adequado. S\u00f3 para se ter uma ideia, dos dez rios mais polu\u00eddos do Brasil, dois est\u00e3o em Pernambuco. O rio Ipojuca \u00e9 o terceiro mais sujo\u00a0do Pa\u00eds e o Capibaribe, o s\u00e9timo. O primeiro lugar \u00e9 o Tiet\u00ea (SP).<\/p>\n<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"640\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;https:\\\/\\\/www1.unicap.br\\\/assecom1\\\/quarta-ambiental-discute-oxidacao-avancada\\\/&quot;,&quot;likes_blog_id&quot;:205082007}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 640px; height: 320px;\" data-original-width=\"640\" data-original-height=\"320\" > <div class=\"gallery-group images-1\" style=\"width: 427px; height: 320px;\" data-original-width=\"427\" data-original-height=\"320\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www1.unicap.br\/assecom1\/quarta-ambiental-discute-oxidacao-avancada\/img_8601\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"423\"> <meta itemprop=\"height\" content=\"316\"> <img data-attachment-id=\"54642\" data-orig-file=\"https:\/\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8601.jpg\" data-orig-size=\"2592,1936\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 4&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1439399153&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3.85&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.016666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_8601\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8601.jpg?fit=300%2C224&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8601.jpg?fit=640%2C478&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8601.jpg?w=423&#038;h=316&#038;crop&#038;ssl=1\" width=\"423\" height=\"316\" data-original-width=\"423\" data-original-height=\"316\" itemprop=\"http:\/\/schema.org\/image\" title=\"IMG_8601\" alt=\"IMG_8601\" style=\"width: 423px; height: 316px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 213px; height: 320px;\" data-original-width=\"213\" data-original-height=\"320\" > <div class=\"tiled-gallery-item tiled-gallery-item-small\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www1.unicap.br\/assecom1\/quarta-ambiental-discute-oxidacao-avancada\/img_8602\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"209\"> <meta itemprop=\"height\" content=\"156\"> <img data-attachment-id=\"54643\" data-orig-file=\"https:\/\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8602.jpg\" data-orig-size=\"2592,1936\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 4&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1439399234&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3.85&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.033333333333333&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_8602\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8602.jpg?fit=300%2C224&#038;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8602.jpg?fit=640%2C478&#038;ssl=1\" src=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/IMG_8602.jpg?w=209&#038;h=156&#038;crop&#038;ssl=1\" width=\"209\" height=\"156\" data-original-width=\"209\" data-original-height=\"156\" itemprop=\"http:\/\/schema.org\/image\" title=\"IMG_8602\" alt=\"IMG_8602\" style=\"width: 209px; 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height: 475px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div>\n<p>A professora classificou os oxidantes em cl\u00e1ssicos e avan\u00e7ados. Os primeiros n\u00e3o geram res\u00edduos (lodo) e se mostram como principal vantagem em v\u00e1rios processos industriais. &#8220;O objetivo \u00e9 fazer tal rea\u00e7\u00e3o gerar di\u00f3xido de carbono (CO2) e \u00e1gua(H2O)&#8221;.<\/p>\n<p>Vaderice destacou alguns crit\u00e9rios que devem ser levados em considera\u00e7\u00e3o na escolha do agente oxidante, entre eles o custo, seguran\u00e7a da opera\u00e7\u00e3o, dom\u00ednio da t\u00e9cnica utilizada e conhecimento do composto.<\/p>\n<p><a href=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3897.jpg?ssl=1\"><img data-attachment-id=\"54655\" data-permalink=\"https:\/\/www1.unicap.br\/assecom1\/quarta-ambiental-discute-oxidacao-avancada\/_mg_3897\/\" data-orig-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3897-e1439415135178.jpg?fit=723%2C694&amp;ssl=1\" data-orig-size=\"723,694\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Canon EOS 5D Mark II&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1439399440&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;50&quot;,&quot;iso&quot;:&quot;320&quot;,&quot;shutter_speed&quot;:&quot;0.008&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"_MG_3897\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3897-e1439415135178.jpg?fit=300%2C288&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3897-e1439415135178.jpg?fit=640%2C427&amp;ssl=1\" loading=\"lazy\" class=\"alignleft size-medium wp-image-54655\" src=\"https:\/\/i2.wp.com\/www1.unicap.br\/assecom1\/wp-content\/uploads\/2015\/08\/MG_3897.jpg?resize=300%2C200&#038;ssl=1\" alt=\"_MG_3897\" data-recalc-dims=\"1\" \/><\/a>Os principais oxidantes apresentados por ela s\u00e3o o pergamanato de pot\u00e1ssio, per\u00f3xido de hidrog\u00eanio (\u00e1gua oxigenada), cloro e oz\u00f4nio. Este \u00faltimo bastante utilizado como oxidante avan\u00e7ado no tratamento de chorume.<\/p>\n<p>De acordo com Valderice, a t\u00e9cnica da oxida\u00e7\u00e3o avan\u00e7ada consiste na combina\u00e7\u00e3o desses elementos oxidantes cl\u00e1ssicos. &#8220;Essa combina\u00e7\u00e3o aumenta a velocidade de rea\u00e7\u00e3o e \u00e9 indicado para contaminantes que se apresentam em min\u00fasculas part\u00edculas e que n\u00e3o s\u00e3o biodegrad\u00e1veis. A rea\u00e7\u00e3o gera um radical chamado hidroxila, que \u00e9 o que temos de mais forte&#8221;.<\/p>\n<p>A pesquisadora explicou ainda que os primeiros estudos come\u00e7aram na d\u00e9cada de 70, mas s\u00f3 se tornaram mais conhecidos na d\u00e9cada de 90. &#8220;Hoje j\u00e1 existem congressos bianuais espec\u00edficos sobre o tema&#8221;.<span style=\"line-height: 1.5;\">\u00a0 \u00a0 \u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O projeto Quarta Ambiental desta semana discutiu os Processos Oxidativos Avan\u00e7ados no Tratamento da \u00c1gua.\u00a0Quem falou sobre o assunto foi a professora da Unicap Valderice Pereira Baydum. Mestre e doutora em Engenharia Qu\u00edmica pela UFPE, especialista em Gest\u00e3o Ambiental e graduada em\u00a0Engenharia Ambiental pela pr\u00f3pria Cat\u00f3lica e em Qu\u00edmica Industrial tamb\u00e9m pela UFPE, a palestrante [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":54654,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/posts\/54633"}],"collection":[{"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/comments?post=54633"}],"version-history":[{"count":1,"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/posts\/54633\/revisions"}],"predecessor-version":[{"id":54656,"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/posts\/54633\/revisions\/54656"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/media\/54654"}],"wp:attachment":[{"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/media?parent=54633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/categories?post=54633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www1.unicap.br\/assecom1\/wp-json\/wp\/v2\/tags?post=54633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}