{"id":8004,"date":"2021-02-26T12:04:59","date_gmt":"2021-02-26T11:04:59","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=8004"},"modified":"2021-02-26T12:06:24","modified_gmt":"2021-02-26T11:06:24","slug":"shell-and-tube-exchangers-in-biogas-treatment-for-cogeneration","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/en\/8004\/shell-and-tube-exchangers-in-biogas-treatment-for-cogeneration\/","title":{"rendered":"Shell and tube exchangers in biogas treatment for cogeneration"},"content":{"rendered":"<p><a href=\"https:\/\/en.tempco.it\/solutions-en\/sol-cogeneration\/\" target=\"_blank\" rel=\"noopener\"><strong>Cogeneration<\/strong><\/a> plants are becoming very much employed, aimed to the <strong>combined generation of heat and power<\/strong> using <strong>biogas<\/strong>. The biogas is a particular source or <strong>renewable energy<\/strong>, generated by the breakdown of organic matter or farm animal waste. Due to its characteristics, biogas is <strong>very rich in humidity<\/strong>, which makes it impossible to directly use it into engines, because the content of humidity would seriously damage them.<\/p>\n<p>Biogas is a natural fuel, but in order to be employed in cogeneration plants it requires a special <strong>dehumidification treatment<\/strong>. This is achieved using systems composed by a <a href=\"https:\/\/en.tempco.it\/solutions-en\/chillers\/\" target=\"_blank\" rel=\"noopener\"><strong>chiller<\/strong><\/a> and <a href=\"https:\/\/en.tempco.it\/solutions-en\/heat-exchangers\/shell-and-tube-heat-exchangers\/\" target=\"_blank\" rel=\"noopener\"><strong>shell and tube exchangers<\/strong><\/a>, especially engineered for this kind of application, which cool and dehumidify the biogas using a <strong>very cold mix of water and glicol<\/strong>.<\/p>\n<p><iframe loading=\"lazy\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/oHc8WAz2II4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen title=\"Deumidificare il biogas nella cogenerazione\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>In fact, biogas coming from digesters enters the system at <strong>temperatures of 35-40\u00b0 C<\/strong>, and must be cooled at <strong>temperatures of approx. 4-5\u00b0 C<\/strong>, eliminating the maximum possible amount of humidity contained. At this purpose, chillers at very low temperatures are employed, near the freezing point, at +1\u00b0 C or +2\u00b0 C.<\/p>\n<p>On the outlet of the exchangers the biogas will then have a relative humidity of 100%, but with an <strong>extremely low absolute content of humidity<\/strong>. Installed on the outlet of the exchangers there are also <a href=\"https:\/\/www.tempco.it\/blog\/en\/4349\/biogas-condensate-separator-or-tank\/\" target=\"_blank\" rel=\"noopener\"><strong>condense separators<\/strong><\/a>, big tanks aimed to collect the condenses. Furthermore, on the output of the systems there are also additional filters, providing a <strong>further filtration of the biogas<\/strong>, which then is finally ready to enter the engines.<\/p>\n<p>Subscribe here to our <strong><a href=\"https:\/\/en.tempco.it\/newsletter-solid-temperature\/\" target=\"_blank\" rel=\"noopener\">Tempco Newsletter &#8211; Solid Temperature<\/a><\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Employ of chillers and shell and tube exchangers for biogas cooling and dehumidification, making the natural fuel and renewable energy source suitable to enter engines in cogeneration plants. <\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[79,81,63],"tags":[2772,387,1237,388,2774,2771,2769,957,2770,2773,543,2768,1179,750,1627,1543,382],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Shell and tube exchangers in biogas treatment for cogeneration - 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