{"id":1810,"date":"2014-11-04T08:33:24","date_gmt":"2014-11-04T08:33:24","guid":{"rendered":"http:\/\/boer.it\/?page_id=1810"},"modified":"2018-10-01T07:34:28","modified_gmt":"2018-10-01T07:34:28","slug":"quartzite-and-carbon-filtration-plants","status":"publish","type":"page","link":"https:\/\/boer.it\/en\/water-treatment-plants\/quartzite-and-carbon-filtration-plants\/","title":{"rendered":"Quartzite and carbon filtration plants"},"content":{"rendered":"<section  class='av_textblock_section av-jmpzajw7-bd0bd9832c8d77acfa7988d72e8b573d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 class=\"titles\"><span class=\"titleFirst\">Quartzite and carbon<\/span><span class=\"titleSecond\">filtration plants<\/span><\/h1>\n<\/div><\/section>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Fast pressure filtration is actually pressure-induced percolation of water containing different impurities (sand, slime, oxidized iron, any type of suspended particle) through layers of filter material.<\/p>\n<p>Fast pressure-induced filters are multi-layer, that means they are made of superimposed layers of various materials bearing different granulometry.<\/p>\n<p>Compared to standard single-layer filters, this technique boasts the following strong points:<\/p>\n<ol>\n<li>Higher volume of suspended solids retained per filtration cycle<\/li>\n<li>Enhanced quality of filtered material<\/li>\n<li>Water saving in backwashing stage<\/li>\n<li>Higher activated carbon filter protection<\/li>\n<\/ol>\n<\/div><\/section>\n<div  class='flex_column av-av_one_half-2a9015ff38129c418a3f2eafba3e9512 av_one_half  avia-builder-el-2  el_after_av_textblock  el_before_av_one_half  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-91eb015070a0580375061cda23d34f7a\">\n.avia-image-container.av-av_image-91eb015070a0580375061cda23d34f7a img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-91eb015070a0580375061cda23d34f7a .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-91eb015070a0580375061cda23d34f7a av-styling- avia-align-center  avia-builder-el-3  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-792x1030.jpg\" data-srcset=\"https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-792x1030.jpg 792w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-231x300.jpg 231w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-768x999.jpg 768w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-542x705.jpg 542w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-450x586.jpg 450w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1.jpg 953w\" data-sizes=\"(max-width: 792px) 100vw, 792px\" class='avia_image'  aria-label='Quarzite and carbon filtration plants'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2392 avia-img-lazy-loading-not-2392 avia_image ' src=\"https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1.jpg\" alt='Quarzite and carbon filtration plants' title='Quarzite and carbon filtration plants'  height=\"1240\" width=\"953\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1.jpg 953w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-231x300.jpg 231w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-768x999.jpg 768w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-792x1030.jpg 792w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-542x705.jpg 542w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_1-450x586.jpg 450w\" sizes=\"(max-width: 953px) 100vw, 953px\" \/><\/a><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-862f0c8b97abc46405e90743a1c7ee0e\">\n.flex_column.av-av_one_half-862f0c8b97abc46405e90743a1c7ee0e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-862f0c8b97abc46405e90743a1c7ee0e av_one_half  avia-builder-el-4  el_after_av_one_half  el_before_av_heading  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https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-231x300.jpg 231w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-768x999.jpg 768w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-542x705.jpg 542w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-450x586.jpg 450w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2.jpg 953w\" data-sizes=\"(max-width: 792px) 100vw, 792px\" class='avia_image'  aria-label='Quarzite and carbon filtration plants'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2394 avia-img-lazy-loading-not-2394 avia_image ' src=\"https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2.jpg\" alt='Quarzite and carbon filtration plants' title='Quarzite and carbon filtration plants'  height=\"1240\" width=\"953\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2.jpg 953w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-231x300.jpg 231w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-768x999.jpg 768w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-792x1030.jpg 792w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-542x705.jpg 542w, https:\/\/boer.it\/wp-content\/uploads\/2014\/06\/filtrazione_quarzite_carbone_2-450x586.jpg 450w\" sizes=\"(max-width: 953px) 100vw, 953px\" \/><\/a><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-7f8fb13acf380e32a22dd13a6f821233\">\n#top .av-special-heading.av-av_heading-7f8fb13acf380e32a22dd13a6f821233{\npadding-bottom:5px;\nfont-size:24px;\n}\nbody .av-special-heading.av-av_heading-7f8fb13acf380e32a22dd13a6f821233 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-av_heading-7f8fb13acf380e32a22dd13a6f821233 .av-special-heading-tag{\nfont-size:24px;\n}\n.av-special-heading.av-av_heading-7f8fb13acf380e32a22dd13a6f821233 .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-av_heading-7f8fb13acf380e32a22dd13a6f821233 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-av_heading-7f8fb13acf380e32a22dd13a6f821233 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-7f8fb13acf380e32a22dd13a6f821233 av-special-heading-h3 blockquote modern-quote  avia-builder-el-6  el_after_av_one_half  el_before_av_textblock  av-inherit-size'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Activated Carbon<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The term \u201cactivated carbon\u201d indicates that the same has undergone a special physical process called \u201cactivation\u201d. Activation endows carbon with an exceptional degree of porosity which greatly enhances its inner surface: adsorption capacity is hence dramatically increased.<\/p>\n<p>The term \u201cadsorption\u201d indicates a chemical process through which a solid or liquid substance retains on its surface a layer of molecules or ions of a certain gas, liquid or solute in comes in contact with.<\/p>\n<p>Activated carbon adsorption capacity is influenced by certain conditions; the most important are:<\/p>\n<ul>\n<li>Temperature<\/li>\n<li>Humidity<\/li>\n<li>Water flow velocity<\/li>\n<li>Concentration<\/li>\n<\/ul>\n<p>The higher the concentration of the substance to be adsorbed, the higher the quantity of activated carbon needed for treating it.<\/p>\n<p>The main pollutants the system is able to cut down are: TURBIDITY, COD, SURFACTANTS, OIL AND A SMALL PERCENTEAGE OF HEAVY METALS, with values up to 90% with the following incoming parameters:<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-6e46f799f8e1caefd8e0565183a672cf\">\n#top .hr.hr-invisible.av-av_hr-6e46f799f8e1caefd8e0565183a672cf{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-av_hr-6e46f799f8e1caefd8e0565183a672cf hr-invisible  avia-builder-el-8  el_after_av_textblock  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-av_one_half-2a9015ff38129c418a3f2eafba3e9512 av_one_half  avia-builder-el-9  el_after_av_hr  el_before_av_heading  first flex_column_div  '     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<td>pH<\/td>\n<td>6 &#8211; 8,5<\/td>\n<\/tr>\n<tr>\n<td>COD<\/td>\n<td>600 &#8211; 1000 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>TOTAL HYDROCARBONS<\/td>\n<td>10 &#8211; 20 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>TOTAL SURFACTANTS<\/td>\n<td>5 &#8211; 15 mg\/L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a\">\n#top .av-special-heading.av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a{\npadding-bottom:5px;\nfont-size:24px;\n}\nbody .av-special-heading.av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a .av-special-heading-tag{\nfont-size:24px;\n}\n.av-special-heading.av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-cedaaa6ccceb19852effb0ed37dcbe1a av-special-heading-h3 blockquote modern-quote  avia-builder-el-11  el_after_av_one_half  el_before_av_textblock  av-inherit-size'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Running and maintenance<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Activated carbon has the capacity to \u201cattract\u201d organic molecules into its active sites, creating steady, even though not irreversible, bonds, which saturate all active sites over time. It is hence necessary to carry out periodical treatment efficiency checks and, if needed, replace or reprocess carbon.<\/p>\n<p>Before usage, carbon must be washed with running water in order to fully eliminate superficial dust.<\/p>\n<p>As regards quartzite columns, running operations involve periodical backwash according to quantity of filtrated build-up.<\/p>\n<p>Upstream the quartzite and activated carbon treatment, water must be previously separated from sand and oil or, if applicable, be purified by a suitable plant (e.g. chemical-physical plant) to cut down part of the pollutants it holds.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-2683186cf6c434c3fdebf44adb9dc21f\">\n#top .hr.hr-invisible.av-av_hr-2683186cf6c434c3fdebf44adb9dc21f{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-av_hr-2683186cf6c434c3fdebf44adb9dc21f hr-invisible  avia-builder-el-13  el_after_av_textblock  el_before_av_button '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='avia-button-wrap av-av_button-a17af92cb40207ae3a0362874c9c7349-wrap avia-button-left  avia-builder-el-14  el_after_av_hr  avia-builder-el-last '><a href='http:\/\/boer.it\/wp-content\/uploads\/2014\/11\/05_quartzite_and_carbon_filtration_plants.pdf'  class='avia-button av-av_button-a17af92cb40207ae3a0362874c9c7349 avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-theme-color-subtle'  ><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue823' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >Technical Data Sheet PDF<\/span><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":1711,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-1810","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/pages\/1810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/comments?post=1810"}],"version-history":[{"count":2,"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/pages\/1810\/revisions"}],"predecessor-version":[{"id":4608,"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/pages\/1810\/revisions\/4608"}],"up":[{"embeddable":true,"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/pages\/1711"}],"wp:attachment":[{"href":"https:\/\/boer.it\/en\/wp-json\/wp\/v2\/media?parent=1810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}