{"id":3869,"date":"2015-02-12T19:11:31","date_gmt":"2015-02-12T18:11:31","guid":{"rendered":"https:\/\/aquihayquimica.iqs.edu\/2015\/02\/12\/biometano\/"},"modified":"2019-11-12T16:09:17","modified_gmt":"2019-11-12T15:09:17","slug":"biometa","status":"publish","type":"post","link":"https:\/\/aquihayquimica.iqs.edu\/ca\/2015\/02\/12\/biometa\/","title":{"rendered":"Biomet\u00e0"},"content":{"rendered":"<p><p class=\"p1\">Es denomina biomet\u00e0 al gas met\u00e0 (CH<sub>4<\/sub>)\u00a0d\u2019origen biol\u00f2gic. S\u2019estima que nom\u00e9s el\u00a0bestiar bov\u00ed en produeix 80 milions de tones\u00a0anuals que s\u2019alliberen a l\u2019atmosfera. El\u00a0biomet\u00e0 \u00e9s suficient per cobrir el consum\u00a0anual de gas natural dom\u00e8stic de tot l\u2019estat\u00a0espanyol. Tot i ser el menys popular\u00a0dels biocombustibles, \u00e9s el m\u00e9s net i el\u00a0de menor impacte ecol\u00f2gic. La producci\u00f3\u00a0i posterior combusti\u00f3 del biomet\u00e0 compleix\u00a0amb totes les exig\u00e8ncies d\u2019una font\u00a0d\u2019energia ecol\u00f2gica i ajuda al compliment\u00a0dels objectius 2020 de la Uni\u00f3 Europea.\u00a0El biomet\u00e0 t\u00e9 potencial com a soluci\u00f3 a\u00a0m\u00faltiples problem\u00e0tiques socials, des de\u00a0la gesti\u00f3 de residus urbans i agr\u00edcoles fins\u00a0a la purificaci\u00f3 de l\u2019aigua i la millora de la\u00a0qualitat de l\u2019aire.<\/p>\n<p class=\"p1\">L\u2019aplicaci\u00f3 fonamental del biomet\u00e0 \u00e9s la\u00a0combusti\u00f3 per produir energia. En funci\u00f3\u00a0del grau de refinament del biomet\u00e0, es pot\u00a0emprar per diverses aplicacions energ\u00e8tiques\u00a0de complexitat creixent. L\u2019aplicaci\u00f3 m\u00e9s\u00a0barata i senzilla \u00e9s la crema de biomet\u00e0 per\u00a0calefacci\u00f3. Fa molts anys que a pa\u00efsos menys\u00a0desenvolupats s\u2019empren els gasos emanats\u00a0dels residus agr\u00edcoles per tal d\u2019obtenir biomet\u00e0\u00a0de baixa qualitat. El gas serveix per\u00a0a l\u2019autoabastiment de fam\u00edlies senceres,\u00a0especialment en entorns agr\u00edcoles. En un\u00a0major grau de refinament, el biomet\u00e0 es pot\u00a0emprar per a la cogeneraci\u00f3 d\u2019electricitat i\u00a0vapor. Finalment, l\u2019aplicaci\u00f3 m\u00e9s futurista\u00a0del biomet\u00e0 \u00e9s la pila de combustible, per\u00f2\u00a0requereix una puresa superior al 99,5% per\u00a0a un correcte funcionament.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Es denomina biomet\u00e0 al gas met\u00e0 (CH4)\u00a0d\u2019origen biol\u00f2gic. S\u2019estima que nom\u00e9s el\u00a0bestiar bov\u00ed en produeix 80 milions de tones\u00a0anuals que s\u2019alliberen a l\u2019atmosfera. El\u00a0biomet\u00e0 \u00e9s suficient per cobrir el consum\u00a0anual de gas natural dom\u00e8stic de tot l\u2019estat\u00a0espanyol. Tot i ser el menys popular\u00a0dels biocombustibles, \u00e9s el m\u00e9s net i el\u00a0de menor impacte ecol\u00f2gic. La producci\u00f3\u00a0i [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[37],"tags":[],"_links":{"self":[{"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/posts\/3869"}],"collection":[{"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/comments?post=3869"}],"version-history":[{"count":2,"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/posts\/3869\/revisions"}],"predecessor-version":[{"id":6427,"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/posts\/3869\/revisions\/6427"}],"wp:attachment":[{"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/media?parent=3869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/categories?post=3869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aquihayquimica.iqs.edu\/ca\/wp-json\/wp\/v2\/tags?post=3869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}