{"id":353,"date":"2023-06-21T12:00:15","date_gmt":"2023-06-21T12:00:15","guid":{"rendered":"https:\/\/fermeco.pl\/?page_id=353"},"modified":"2024-03-13T10:43:55","modified_gmt":"2024-03-13T10:43:55","slug":"is-there-a-need-for-alkalization-in-methane-fermentation-processes","status":"publish","type":"page","link":"https:\/\/fermeco.pl\/en\/technological-issues\/is-there-a-need-for-alkalization-in-methane-fermentation-processes\/","title":{"rendered":"Is there a need for alkalization in methane fermentation processes?"},"content":{"rendered":"<style>.kb-row-layout-id353_f46ba7-39 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id353_f46ba7-39 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id353_f46ba7-39 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:var( --global-content-width, 1290px 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.kadence-column353_f900ea-f5 h2, .kadence-column353_f900ea-f5 h3, .kadence-column353_f900ea-f5 h4, .kadence-column353_f900ea-f5 h5, .kadence-column353_f900ea-f5 h6{color:var(--global-palette9, #ffffff);}.kadence-column353_f900ea-f5 a{color:var(--global-palette9, #ffffff);}.kadence-column353_f900ea-f5 a:hover{color:var(--global-palette4, #2D3748);}.kadence-column353_f900ea-f5{position:relative;}@media all and (max-width: 1024px){.kadence-column353_f900ea-f5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kadence-column353_f900ea-f5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column353_f900ea-f5\"><div class=\"kt-inside-inner-col\">\n<h1 class=\"wp-block-heading has-text-align-center has-theme-palette-9-color has-text-color has-link-color has-larger-font-size wp-elements-43cea22436509bbaf620c57576928c90\" style=\"font-style:normal;font-weight:400;text-transform:uppercase\">Is there a need for alkalization in methane fermentation processes?&nbsp;<\/h1>\n\n\n<div class=\"breadcrumbs align  wp-block-bcn-breadcrumb-trail has-text-color has-background\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\">\n\t<span><\/span>\n\t<span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Go to Fermeco.\" href=\"https:\/\/fermeco.pl\/en\/\" class=\"home\" ><span property=\"name\">Fermeco<\/span><\/a><meta property=\"position\" content=\"1\"><\/span> &gt; <span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Go to News.\" href=\"https:\/\/fermeco.pl\/en\/latest-news\/\" class=\"post-root post post-post\" aria-current=\"page\"><span property=\"name\">News<\/span><\/a><meta property=\"position\" content=\"2\"><\/span><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id353_0b4e61-f9 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id353_0b4e61-f9 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id353_0b4e61-f9 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:var( --global-content-width, 1290px );padding-left:var(--global-content-edge-padding);padding-right:var(--global-content-edge-padding);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, calc(25% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)))minmax(0, calc(75% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)));}.kb-row-layout-id353_0b4e61-f9 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id353_0b4e61-f9 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 767px){.kb-row-layout-id353_0b4e61-f9 > 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0.2);}.wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da[data-kb-block=\"kb-adv-heading353_e4cae8-da\"]{display:flex;gap:0.25em;justify-content:center;align-items:center;}.wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da[data-kb-block=\"kb-adv-heading353_e4cae8-da\"] .kb-adv-heading-icon svg{width:1em;height:1em;}.wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da[data-kb-block=\"kb-adv-heading353_e4cae8-da\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da[data-kb-block=\"kb-adv-heading353_e4cae8-da\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da, .wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da[data-kb-block=\"kb-adv-heading353_e4cae8-da\"]{text-shadow:1px 1px 1px rgba(0, 0, 0, 0.2);}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da, .wp-block-kadence-advancedheading.kt-adv-heading353_e4cae8-da[data-kb-block=\"kb-adv-heading353_e4cae8-da\"]{text-shadow:1px 1px 1px rgba(0, 0, 0, 0.2);}}<\/style><h2 class=\"kt-adv-heading353_e4cae8-da wp-block-kadence-advancedheading kt-adv-heading-has-icon has-theme-palette9-color has-text-color has-kb-palette-2-background-color has-background\" data-kb-block=\"kb-adv-heading353_e4cae8-da\"><span class=\"kb-svg-icon-wrap kb-adv-heading-icon kb-svg-icon-fas_project-diagram kb-adv-heading-icon-side-left\"><svg viewBox=\"0 0 640 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M384 320H256c-17.67 0-32 14.33-32 32v128c0 17.67 14.33 32 32 32h128c17.67 0 32-14.33 32-32V352c0-17.67-14.33-32-32-32zM192 32c0-17.67-14.33-32-32-32H32C14.33 0 0 14.33 0 32v128c0 17.67 14.33 32 32 32h95.72l73.16 128.04C211.98 300.98 232.4 288 256 288h.28L192 175.51V128h224V64H192V32zM608 0H480c-17.67 0-32 14.33-32 32v128c0 17.67 14.33 32 32 32h128c17.67 0 32-14.33 32-32V32c0-17.67-14.33-32-32-32z\"\/><\/svg><\/span><span class=\"kb-adv-text-inner\">Issues<\/span><\/h2>\n\n<nav class=\"items-justified-left is-vertical wp-block-navigation is-content-justification-left is-layout-flex wp-container-core-navigation-is-layout-aacc3761 wp-block-navigation-is-layout-flex\" aria-label=\"Issues\"><ul class=\"wp-block-navigation__container items-justified-left is-vertical wp-block-navigation\"><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  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is-content-justification-left is-layout-flex wp-container-core-navigation-is-layout-adc7e0b5 wp-block-navigation-is-layout-flex\" aria-label=\"Products\"><ul class=\"wp-block-navigation__container items-justified-left is-vertical wp-block-navigation\"><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/fermeco.pl\/en\/products\/industrial-sewage-treatment-plants\/\"><span class=\"wp-block-navigation-item__label\">Industrial sewage treatment plants\u00a0<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/fermeco.pl\/en\/products\/energy-from-biogas\/\"><span class=\"wp-block-navigation-item__label\">Energy from biogas<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/fermeco.pl\/en\/products\/floating-water-source-installations-radial-settlers\/\"><span class=\"wp-block-navigation-item__label\">Floating water source installations \u2013 radial settlers<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/fermeco.pl\/en\/products\/floating-soil-drainage-installations\/\"><span class=\"wp-block-navigation-item__label\">Floating Soil Drainage Installations<\/span><\/a><\/li><\/ul><\/nav><\/div><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column353_afa94f-f8 > .kt-inside-inner-col,.kadence-column353_afa94f-f8 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column353_afa94f-f8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column353_afa94f-f8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column353_afa94f-f8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column353_afa94f-f8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column353_afa94f-f8{position:relative;}@media all and (max-width: 1024px){.kadence-column353_afa94f-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column353_afa94f-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column353_afa94f-f8\"><div class=\"kt-inside-inner-col\">\n<p>The studies on the methane fermentation process in technical installations mention the need to use a sodium hydroxide solution in order to stabilize the pH in the fermenter at an optimal level. This applies in particular to the treatment of industrial wastewater.<\/p>\n\n\n\n<p>Under optimal operating conditions, there may be a temporary overload of the anaerobic sludge with a load of pollutants, resulting from the high variability of the composition of wastewater flowing from the plant. In such situations, if this results in a tendency to lower the pH in the fermenter, NaOH solution should be used in the appropriate dose, but generally these are emergency situations, significantly deviating from the accepted normal operating conditions.<\/p>\n\n\n\n<p>On the other hand, assuming continuous alkalizing of the fermenting mixture in the operational assumptions is simply a misunderstanding. This is due to the fact that by artificially regulating the pH in the fermenter, we will never achieve very high purification effects, because some of the organic acids formed are bound in sodium salts, which in turn are marked as COD\/BOD5 in digested wastewater.<\/p>\n\n\n\n<p>What causes the problem of unstable pH in the fermenter? The main reason is the inadequate biological quality of the anaerobic sludge, which at the start-up stage was inadequately adapted to the treatment of specific industrial wastewater. Even wastewater, e.g. from the production of fruit juices, with a pH of about 5, can be fermented without additional alkalization, which is also a significant operating cost. The proper biological quality of anaerobic sludge concerns in particular the issue of quantitative relationships between groups of anaerobic bacteria that carry out individual phases of methane fermentation, which has a direct impact on the efficiency of wastewater treatment and obtaining a high concentration of methane in biogas, up to 80%. An important advantage of such sludge is a very high resistance to periodic overloading with a load of organic pollutants.<\/p>\n<\/div><\/div>\n\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Is there a need for alkalization in methane fermentation processes?&nbsp; Issues Products The studies on the methane fermentation process in technical installations mention the need to use a sodium hydroxide solution in order to stabilize the pH in the fermenter at an optimal level. This applies in particular to the treatment of industrial wastewater. Under&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":444,"menu_order":12,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"hide","_kad_post_layout":"fullwidth","_kad_post_sidebar_id":"","_kad_post_content_style":"unboxed","_kad_post_vertical_padding":"hide","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-353","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Is there a need for alkalization in methane fermentation processes? - Fermeco<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fermeco.pl\/en\/technological-issues\/is-there-a-need-for-alkalization-in-methane-fermentation-processes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is there a need for alkalization in methane fermentation processes? - Fermeco\" \/>\n<meta property=\"og:description\" content=\"Is there a need for alkalization in methane fermentation processes?&nbsp; Issues Products The studies on the methane fermentation process in technical installations mention the need to use a sodium hydroxide solution in order to stabilize the pH in the fermenter at an optimal level. 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