{"id":60956,"date":"2023-04-21T14:53:17","date_gmt":"2023-04-21T19:53:17","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-is-biofuel-extracted\/"},"modified":"2025-01-27T06:06:33","modified_gmt":"2025-01-27T11:06:33","slug":"how-is-biofuel-extracted","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/how-is-biofuel-extracted\/","title":{"rendered":"Extrakce biopaliv: Postupy a technologie"},"content":{"rendered":"<p>Biopaliva p\u0159edstavuj\u00ed st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed sou\u010d\u00e1st snah o sn\u00ed\u017een\u00ed z\u00e1vislosti na fosiln\u00edch palivech a o zm\u00edrn\u011bn\u00ed dopad\u016f klimatick\u00fdch zm\u011bn.  Jejich v\u00fdroba v\u0161ak zahrnuje komplexn\u00ed procesy, kter\u00e9 se li\u0161\u00ed v z\u00e1vislosti na pou\u017eit\u00e9 surovin\u011b.  Tento \u010dl\u00e1nek se detailn\u011bji zam\u011b\u0159\u00ed na r\u016fzn\u00e9 metody extrakce biopaliv.<\/p>\n<h3>Extrakce biopaliv z rostlinn\u00fdch olej\u016f<\/h3>\n<p>Tato metoda je relativn\u011b jednoduch\u00e1 a zahrnuje n\u011bkolik krok\u016f.  Nejprve se olejnat\u00e1 semena (nap\u0159. \u0159epka, s\u00f3ja, slune\u010dnice) mechanicky lisuj\u00ed, \u010d\u00edm\u017e se z\u00edsk\u00e1 surov\u00fd rostlinn\u00fd olej.  Tento olej pak m\u016f\u017ee b\u00fdt d\u00e1le zpracov\u00e1n, nap\u0159\u00edklad transesterifikac\u00ed, kter\u00e1 p\u0159em\u011bn\u00ed triglyceridy na methylestery mastn\u00fdch kyselin (biodiesel).  Proces transesterifikace obvykle zahrnuje reakci s methanolem v p\u0159\u00edtomnosti katalyz\u00e1toru.  V\u00fdsledn\u00fd biodiesel je pak odd\u011blen od glycerolu, kter\u00fd je vedlej\u0161\u00edm produktem.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Surovina<\/th>\n<th>V\u00fdt\u011b\u017enost oleje [%]<\/th>\n<th>Kvalita biodieselu<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0158epka olejka<\/td>\n<td>35-45<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>S\u00f3ja<\/td>\n<td>18-22<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Slune\u010dnice<\/td>\n<td>30-40<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Extrakce bioetanolu z cukrov\u00e9 t\u0159tiny a kuku\u0159ice<\/h3>\n<p>Bioetanol se prim\u00e1rn\u011b vyr\u00e1b\u00ed z cukernat\u00fdch nebo \u0161krobov\u00fdch surovin.  V p\u0159\u00edpad\u011b cukrov\u00e9 t\u0159tiny se \u0161\u0165\u00e1va extrahuje lisov\u00e1n\u00edm a n\u00e1sledn\u011b kvas\u00ed za p\u0159\u00edtomnosti kvasinek.  Kvasn\u00fd proces p\u0159em\u011bn\u00ed cukry na etanol a oxid uhli\u010dit\u00fd.  U kuku\u0159ice je proces slo\u017eit\u011bj\u0161\u00ed, proto\u017ee \u0161krob mus\u00ed b\u00fdt nejprve enzymaticky rozlo\u017een na cukry (zcukrov\u00e1n\u00ed) a pot\u00e9 zkva\u0161en.  V\u00fdsledn\u00fd etanol se n\u00e1sledn\u011b destiluje, aby se dos\u00e1hlo po\u017eadovan\u00e9 koncentrace.<\/p>\n<h3>Extrakce biopaliv z \u0159as<\/h3>\n<p>\u0158asy p\u0159edstavuj\u00ed perspektivn\u00ed zdroj biopaliv, nebo\u0165 maj\u00ed vysokou produktivitu a nevy\u017eaduj\u00ed velkou plochu p\u016fdy.  Extrakce biopaliv z \u0159as je v\u0161ak slo\u017eit\u011bj\u0161\u00ed a zahrnuje n\u011bkolik krok\u016f: kultivace \u0159as, sklize\u0148, su\u0161en\u00ed, extrakce lipid\u016f a n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed na biodiesel.  Extrakce lipid\u016f se \u010dasto prov\u00e1d\u00ed pomoc\u00ed rozpou\u0161t\u011bdel, av\u0161ak i mechanick\u00e9 metody jsou zkoum\u00e1ny.  V\u00fdzkum se zam\u011b\u0159uje na optimalizaci cel\u00e9ho procesu a na sni\u017eov\u00e1n\u00ed n\u00e1klad\u016f.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Metoda extrakce lipid\u016f<\/th>\n<th>V\u00fdhody<\/th>\n<th>Nev\u00fdhody<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Extrakce rozpou\u0161t\u011bdly<\/td>\n<td>Vysok\u00e1 v\u00fdt\u011b\u017enost<\/td>\n<td>Pou\u017eit\u00ed organick\u00fdch rozpou\u0161t\u011bdel<\/td>\n<\/tr>\n<tr>\n<td>Mechanick\u00e1 extrakce<\/td>\n<td>\u0160etrn\u011bj\u0161\u00ed k \u017eivotn\u00edmu prost\u0159ed\u00ed<\/td>\n<td>Ni\u017e\u0161\u00ed v\u00fdt\u011b\u017enost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Extrakce biomasy prost\u0159ednictv\u00edm ultrazvuku<\/h3>\n<p>Pou\u017eit\u00ed ultrazvuku p\u0159i extrakci biomasy je relativn\u011b nov\u00e1, av\u0161ak perspektivn\u00ed technologie.  Ultrazvukov\u00e9 vlny pom\u00e1haj\u00ed naru\u0161it bun\u011b\u010dn\u00e9 st\u011bny rostlin a uvolnit biopaliva.  Tato metoda m\u016f\u017ee v\u00e9st k vy\u0161\u0161\u00ed v\u00fdt\u011b\u017enosti a k efektivn\u011bj\u0161\u00edmu procesu.  P\u0159esn\u00e1 optimalizace parametr\u016f (frekvence, intenzita) je kl\u00ed\u010dov\u00e1 pro dosa\u017een\u00ed optim\u00e1ln\u00edch v\u00fdsledk\u016f.  I kdy\u017e nen\u00ed specifikovan\u00e1 zna\u010dka, je d\u016fle\u017eit\u00e9 zm\u00ednit, \u017ee technologie ultrazvuku se neust\u00e1le zdokonaluje a firmy jako Beijing Ultrasonic  hraj\u00ed v\u00fdznamnou roli v jej\u00edm v\u00fdvoji.<\/p>\n<p>Biopaliva p\u0159edstavuj\u00ed kl\u00ed\u010dovou sou\u010d\u00e1st udr\u017eiteln\u00e9 energetick\u00e9 budoucnosti.  A\u010dkoli extrakce biopaliv m\u016f\u017ee b\u00fdt komplexn\u00ed proces, neust\u00e1l\u00fd v\u00fdzkum a v\u00fdvoj nov\u00fdch technologi\u00ed slibuj\u00ed efektivn\u011bj\u0161\u00ed a udr\u017eiteln\u011bj\u0161\u00ed v\u00fdrobu t\u011bchto d\u016fle\u017eit\u00fdch zdroj\u016f energie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Biopaliva p\u0159edstavuj\u00ed st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed sou\u010d\u00e1st snah o sn\u00ed\u017een\u00ed z\u00e1vislosti na fosiln\u00edch palivech a o zm\u00edrn\u011bn\u00ed dopad\u016f klimatick\u00fdch zm\u011bn. Jejich v\u00fdroba v\u0161ak zahrnuje komplexn\u00ed procesy, kter\u00e9 se li\u0161\u00ed v z\u00e1vislosti na pou\u017eit\u00e9 surovin\u011b. Tento \u010dl\u00e1nek se detailn\u011bji zam\u011b\u0159\u00ed na r\u016fzn\u00e9 metody extrakce biopaliv. Extrakce biopaliv z rostlinn\u00fdch olej\u016f Tato metoda je relativn\u011b jednoduch\u00e1 a zahrnuje n\u011bkolik<\/p>\n","protected":false},"author":1,"featured_media":26460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-60956","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/60956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/comments?post=60956"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/60956\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/26460"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=60956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=60956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=60956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}