{"id":8632,"date":"2022-06-17T15:52:51","date_gmt":"2022-06-17T13:52:51","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=8632"},"modified":"2022-06-17T15:52:51","modified_gmt":"2022-06-17T13:52:51","slug":"high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/","title":{"rendered":"High temperature brazed plate exchangers in the hydrogen industry and CO2 refrigeration"},"content":{"rendered":"

Brazed plate heat exchangers<\/strong><\/a> (BPHE) for high temperatures are a key asset in two main and emerging applications within the ecological transition<\/strong>, being it CO2 refrigeration<\/strong> and fuel cells<\/a> using hydrogen<\/strong> as a renewable power source<\/a>. Two renewable sources that are crucial for sustainability and to contrast the effects of climate change in power generation and industrial refrigeration<\/a>.<\/p>\n

CO2 employed as a natural refrigerant gas<\/strong> (R-744) is an excellent alternative to traditional synthetic refrigerants (CFD and HCFC), offering a 0 value of Ozone depletion potential<\/strong> (ODP) and a GWP<\/strong> (Global warming potential) of about 1, far less than that of traditional refrigerants. CO2 has also a very high thermal transfer coeffient<\/strong>, much higher than synthetic refrigerants, is stable and non-toxic, but has to work at very high pressure levels, thus requiring higher standards for the design of refrigeration systems<\/a> and components. Otherwise, its excellent flow performances<\/strong> allow to significantly reduce the size of compressors and refrigeration equipments, making the overall system more compact.<\/p>\n

Furthermore, CO2 is a natural working medium of easy access in the environment, and is also a by-product of many industrial processes<\/strong> and factories, so that refrigeration using CO2 represents an excellent solution for the recovery and recycling of exhaust gas<\/strong>.<\/p>\n

\"Tempco<\/p>\n

Another very important application for high temperature brazed plate exchangers<\/strong> involves fuel cells, using hydrogen which is a optimal candidate for energy of the future as alternative to fossil fuels<\/strong>. Fuel cells are zero emission power generation systems that employ an electrochemical process to obtain electricity and heat from the chemical reaction between hydrogen and oxygen<\/strong>, generating water as by-product. Therefore a totally green and clean power generation solution.<\/p>\n

Nowadays there are several and different fuel cells technologies<\/strong> deployed, and brazed plate exchangers are employed in a series of tasks such as pre-heating of air and fuel<\/strong>, cooling of the cell<\/strong> and humidity and vapour management<\/strong>, through energy recovery<\/strong> of the generated heat. All of these applications have in common high temperatures requirements, as well as high corrosion resistance<\/strong>.
\nIn the schemes below, there is a series of examples of brazed plate exchangers applications in different fuel cell related technologies, used in micro-grids<\/strong>, sustainable mobility<\/strong> and for hydrogen production<\/strong>.<\/p>\n

\"Tempco<\/p>\n

Among them there are Solid oxide fuel cells<\/strong> (SOFC<\/strong>) employing exchangers for air pre-heating and heat recovery of thermal energy generated by the oxidation process of hydrogen. In Proton-exchange membrane fuel cells<\/strong> (PEMFC<\/strong>), high temperature brazed plate exchangers are used for heat recovery aimed for water heating. Brazed plate exchangers provide hydrogen pret-heating and exhaust gas heat recovery in trucks using fuel cells<\/strong>, making heavy-transportation sustainable. Finally, brazed plate exchangers are used for ammonia pre-heating in NH3 cracker systems<\/strong>, employed for hydrogen production<\/strong> from NH3 molecules.<\/p>\n

\"Tempco<\/p>\n

\"Tempco<\/p>\n

\"Tempco<\/p>\n

Stay updated on the latest applications by subscribing our monthly Tempco Newsletter – Solid Temperature<\/a><\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"

High temperature brazed plate heat exchangers are a key component in systems using renewable sources such CO2 as natural gas for refrigeration and hydrogen for clean power generation with fuel cells technologies.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[81,247,61,63,143,66,113,84],"tags":[2292,1073,3014,2448,3313,988,3025,3015,138,145,3320,2951,3315,3314,3308,3321,3318,989,3319,1286,176,824,3317,3316,1543,342,958,382,125],"yoast_head":"\nHigh temperature brazed plate exchangers in the hydrogen industry and CO2 refrigeration - Tempco Blog<\/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:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High temperature brazed plate exchangers in the hydrogen industry and CO2 refrigeration - Tempco Blog\" \/>\n<meta property=\"og:description\" content=\"High temperature brazed plate heat exchangers are a key component in systems using renewable sources such CO2 as natural gas for refrigeration and hydrogen for clean power generation with fuel cells technologies.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/\" \/>\n<meta property=\"og:site_name\" content=\"Tempco Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/tempco.srl\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-17T13:52:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2022\/06\/Tempco-scambiatori-saldobrasati-fuell-cell.jpg\" \/>\n<meta name=\"author\" content=\"Marco Zambelli\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Tempco_it\" \/>\n<meta name=\"twitter:site\" content=\"@Tempco_it\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marco Zambelli\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/\"},\"author\":{\"name\":\"Marco Zambelli\",\"@id\":\"https:\/\/www.tempco.it\/blog\/#\/schema\/person\/888443da8bdce0582bcb917053553fec\"},\"headline\":\"High temperature brazed plate exchangers in the hydrogen industry and CO2 refrigeration\",\"datePublished\":\"2022-06-17T13:52:51+00:00\",\"dateModified\":\"2022-06-17T13:52:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/\"},\"wordCount\":474,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/www.tempco.it\/blog\/#organization\"},\"keywords\":[\"ammonia\",\"brazed plate exchangers\",\"climate change\",\"corrosion resistance\",\"ecological transition\",\"fule cells\",\"global warming\",\"GWP\",\"heat exchangers\",\"heat recovery\",\"high temperature\",\"hydrogen\",\"hydrogen production\",\"micro-grids\",\"NH3 cracker\",\"Ozone depletion potential\",\"PEMFC\",\"pre-heating\",\"Proton-exchange membrane fuel cells\",\"refrigerants\",\"refrigeration\",\"renewables\",\"SOFC\",\"Solid oxide fuel cells\",\"solid temperature\",\"sustainability\",\"sustainable mobility\",\"thermal energy\",\"thermal transfer\"],\"articleSection\":[\"condenser\",\"corrosion\",\"Energia Termica @en\",\"Heat exchangers\",\"Heat recovery\",\"Heating\",\"plate heat exchanger\",\"thermal energy\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/\",\"url\":\"https:\/\/www.tempco.it\/blog\/en\/8632\/high-temperature-brazed-plate-exchangers-in-the-hydrogen-industry-and-co2-refrigeration\/\",\"name\":\"High temperature brazed plate exchangers in the hydrogen industry and CO2 refrigeration - 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