{"id":3108,"date":"2018-06-28T13:49:38","date_gmt":"2018-06-28T16:49:38","guid":{"rendered":"https:\/\/www.nachodelatorre.com.ar\/mosconi\/?p=3108"},"modified":"2018-06-28T13:49:38","modified_gmt":"2018-06-28T16:49:38","slug":"hidrogeno-al-rescate","status":"publish","type":"post","link":"https:\/\/www.fie.undef.edu.ar\/ceptm\/?p=3108","title":{"rendered":"Hidr\u00f3geno al rescate"},"content":{"rendered":"

El Hidr\u00f3geno es considerado como el reemplazo ambientalmente adecuado para los combustibles f\u00f3siles dado que la reacci\u00f3n de \u00e9l con ox\u00edgeno s\u00f3lo produce H2<\/sub>O. Sin embargo, aunque el hidr\u00f3geno es el elemento m\u00e1s abundante del universo, en nuestro planeta se lo encuentra rara vez en su forma molecular, estando casi siempre en forma compuesta, tanto en el agua como en los mismos combustibles f\u00f3siles.<\/p>\n

Low-carbon hydrogen has the potential to play a significant role in tackling climate change and poor air quality. This policy briefing considers how hydrogen could be produced at a useful scale to power vehicles, heat homes and supply industrial processes.<\/p>\n

Four groups of hydrogen production technologies are examined:<\/p>\n

    \n
  1. Thermochemical Routes to Hydrogen
    \nThese methods typically use heat and fossil fuels. Steam methane reforming is the dominant commercial technology, and currently produces hydrogen on a large scale but is not currently low carbon. Carbon capture is therefore essential with this process. Innovative technology developments may also help and research is underway. Alternative thermal methods of creating hydrogen indicate biomass gasification has potential. Other techniques at a low technology readiness level include separation of hydrogen from hydrocarbons using microwaves.<\/li>\n
  2. Electrolytic Routes to Hydrogen
    \nElectrolytic hydrogen production, also known as electrolysis, splits water into hydrogen and oxygen using electricity in an electrolysis cell. Electrolysis produces pure hydrogen which is ideal for low temperature fuel cells for example in electric vehicles. Commercial electrolysers are on the market and have been in use for many years. Further technology developments will enable new generation electrolysers to be commercially competitive when used at scale with fluctuating renewable energy sources.<\/li>\n
  3. Biological Routes to Hydrogen
    \nBiological routes usually involve the conversion of biomass to hydrogen and other valuable end products using microbial processes. Methods such as anaerobic digestion are feasible now at a laboratory and small pilot scale. This technology may prove to have additional or greater impact and value as route for the production of high value chemicals within a biorefinery concept.<\/li>\n
  4. Solar to Fuels Routes to Hydrogen
    \nA number of experimental techniques have been reported, the most developed of which is \u2018solar to fuels\u2019 – a suite of technologies that typically split water into hydrogen and oxygen using solar energy. These methods have close parallels with the process of photosynthesis and are often referred to as \u2018artificial photosynthesis\u2019 processes. The research is promising, though views are divided on its ultimate utility. Competition for space will always limit the scale up of solar to fuels.<\/li>\n<\/ol>\n

    The briefing concludes that steam methane reforming and electrolysis are the most likely technologies to be deployed to produce low-carbon hydrogen at volume in the near to mid-term, providing that the challenges of high levels of carbon capture (for steam methane reforming) and cost reduction and renewable energy sources (for electrolysis) can be overcome.<\/p>\n

    \"Potential<\/p>\n

    Fuente:<\/strong>\u00a0https:\/\/royalsociety.org<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

    El Hidr\u00f3geno es considerado como el reemplazo ambientalmente adecuado para los combustibles f\u00f3siles dado que la reacci\u00f3n de \u00e9l con ox\u00edgeno s\u00f3lo produce H2O. Sin… <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[29,24],"tags":[],"_links":{"self":[{"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=\/wp\/v2\/posts\/3108"}],"collection":[{"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3108"}],"version-history":[{"count":0,"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=\/wp\/v2\/posts\/3108\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fie.undef.edu.ar\/ceptm\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}