{"id":706,"date":"2021-06-18T15:17:27","date_gmt":"2021-06-18T13:17:27","guid":{"rendered":"https:\/\/www.bioethanolshop.nl\/?p=706"},"modified":"2021-06-18T15:21:56","modified_gmt":"2021-06-18T13:21:56","slug":"jaka-je-uhlikova-stopa-bioetanolu","status":"publish","type":"post","link":"https:\/\/www.bioethanolshop.nl\/cs\/wat-is-de-koolstofvoetafdruk-van-bio-ethanol\/","title":{"rendered":"Jak\u00e1 je uhl\u00edkov\u00e1 stopa bioetanolu?"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Jak\u00e1 je uhl\u00edkov\u00e1 stopa bioetanolu?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ohleduplnost k \u017eivotn\u00edmu prost\u0159ed\u00ed ji\u017e nen\u00ed okrajovou z\u00e1le\u017eitost\u00ed. S t\u00edm, jak jsou d\u016fsledky antropogenn\u00ed zm\u011bny klimatu st\u00e1le z\u0159ejm\u011bj\u0161\u00ed, roste kolektivn\u00ed touha chr\u00e1nit na\u0161i planetu a \u017eivotn\u00ed prost\u0159ed\u00ed. V boji proti zm\u011bn\u011b klimatu je sice t\u0159eba, aby lid\u00e9 zm\u011bnili sv\u00e9 chov\u00e1n\u00ed, a to jak na individu\u00e1ln\u00ed, tak na celospole\u010densk\u00e9 \u00farovni, ale svou roli hraj\u00ed i ekologick\u00e9 technologie. Ka\u017ed\u00e1 inovace, kter\u00e1 n\u00e1m umo\u017en\u00ed sn\u00ed\u017eit \u0161kodliv\u00e9 emise a produkovat m\u00e9n\u011b odpadu, m\u016f\u017ee b\u00fdt v\u00fdznamn\u00e1 v boji proti zm\u011bn\u011b klimatu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00edm z hlavn\u00edch zdroj\u016f glob\u00e1ln\u00edho zne\u010di\u0161t\u011bn\u00ed jsou emise z vozidel. Pro mnoho lid\u00ed je pou\u017e\u00edv\u00e1n\u00ed osobn\u00edho automobilu nutnost\u00ed. Bez auta by nemohli jezdit do pr\u00e1ce, vozit d\u011bti do \u0161koly nebo cestovat d\u00e1l ne\u017e p\u0159ed vlastn\u00ed dve\u0159e. Pokud si v\u0161ak nem\u016f\u017eete dovolit elektromobil a nem\u00e1te to \u0161t\u011bst\u00ed, \u017ee \u017eijete n\u011bkde, kde je slu\u0161n\u00e1 infrastruktura, znamen\u00e1 to, \u017ee se pod\u00edl\u00edte na nekone\u010dn\u00e9m proudu zne\u010di\u0161t\u011bn\u00ed a emis\u00ed sklen\u00edkov\u00fdch plyn\u016f, za kter\u00e9 jsme v\u0161ichni zodpov\u011bdn\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.bioethanolshop.nl\/cs\/kategorie-produktu\/bioetanol-100-2\/\" target=\"_blank\" rel=\"noreferrer noopener\">Bioetanol<\/a> se st\u00e1v\u00e1 slibn\u00fdm alternativn\u00edm palivem, kter\u00e9 by n\u00e1m jednoho dne mohlo umo\u017enit jezdit, kolik chceme, ani\u017e bychom se museli starat o to, co vych\u00e1z\u00ed z na\u0161ich v\u00fdfuk\u016f. Ka\u017ed\u00fd, kdo usiluje o uhl\u00edkov\u011b neutr\u00e1ln\u00ed budoucnost, by m\u011bl v\u011bnovat pozornost bioetanolu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak se vyr\u00e1b\u00ed bioetanolov\u00e9 palivo?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bioetanol m\u00e1 oproti konven\u010dn\u00edm paliv\u016fm \u0159adu v\u00fdhod, ale jeho hlavn\u00ed p\u0159ednost\u00ed je \u0161etrnost k \u017eivotn\u00edmu prost\u0159ed\u00ed. P\u0159i v\u00fdrob\u011b bioetanolu se vyu\u017e\u00edvaj\u00ed obnoviteln\u00e9 zdroje, konkr\u00e9tn\u011b plodiny, jako je kuku\u0159ice, kuku\u0159ice a kuku\u0159i\u010dn\u00e9 zrno. V z\u00e1sad\u011b jej lze vyrobit z jak\u00e9koli rostliny, kter\u00e1 obsahuje cukr a \u0161krob. Term\u00edn \"biomasa\" pou\u017e\u00edv\u00e1me jako souhrnn\u00e9 ozna\u010den\u00ed pro obnoviteln\u00e9 organick\u00e9 materi\u00e1ly poch\u00e1zej\u00edc\u00ed z rostlin a \u017eivo\u010dich\u016f. Biomasa zahrnuje \u017eiv\u00e9 organismy, materi\u00e1ly z\u00edskan\u00e9 z \u017eiv\u00fdch organism\u016f a materi\u00e1ly z organism\u016f, kter\u00e9 ned\u00e1vno uhynuly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159esn\u00fd postup v\u00fdroby bioethanolu z\u00e1vis\u00ed na slo\u017een\u00ed pou\u017eit\u00e9 biomasy. V\u011bt\u0161ina v\u00fdzkumu se v sou\u010dasn\u00e9 dob\u011b zam\u011b\u0159uje na lignocelul\u00f3zov\u00fd materi\u00e1l, v\u010detn\u011b vrby, eukalyptu, sl\u00e1my, cukrov\u00e9 t\u0159tiny, zem\u011bd\u011blsk\u00fdch zbytk\u016f a dal\u0161\u00edch d\u0159evin a travin, kter\u00e9 jsou \u010dasto pova\u017eov\u00e1ny za odpad. K v\u00fdrob\u011b jedn\u00e9 tuny bioetanolu jsou zapot\u0159eb\u00ed 2 a\u017e 4 tuny lignocelul\u00f3zov\u00e9 biomasy. V\u00fdzkumn\u00edci d\u00e1vaj\u00ed p\u0159ednost lignocelul\u00f3zov\u00e9 biomase, proto\u017ee je hojn\u011bj\u0161\u00ed ne\u017e potravin\u00e1\u0159sk\u00e9 plodiny a jej\u00ed v\u00fdroba je levn\u011bj\u0161\u00ed, zejm\u00e9na proto, \u017ee je stejn\u011b pova\u017eov\u00e1na za odpad. M\u00e1 tak\u00e9 vy\u0161\u0161\u00ed \u010distou energetickou bilanci ne\u017e jin\u00e9 druhy biomasy, co\u017e ji \u010din\u00ed <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.est.8b03359\" target=\"_blank\" rel=\"noreferrer noopener\">ekologick\u00e9 <\/a>zvy\u0161uje jeho atraktivitu. Lignocelul\u00f3zov\u00e1 biomasa m\u016f\u017ee sn\u00ed\u017eit emise sklen\u00edkov\u00fdch plyn\u016f a\u017e o 90%, co\u017e je mnohem lep\u0161\u00ed ne\u017e u biopaliv prvn\u00ed generace.<img decoding=\"async\" width=\"150\" height=\"117\" class=\"wp-image-701\" style=\"width: 150px;\" src=\"https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/06\/bioethanolshop-2.jpg\" alt=\"bioethanolshop\" srcset=\"https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/06\/bioethanolshop-2.jpg 500w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/06\/bioethanolshop-2-150x117.jpg 150w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/06\/bioethanolshop-2-300x234.jpg 300w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/06\/bioethanolshop-2-16x12.jpg 16w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/06\/bioethanolshop-2-416x324.jpg 416w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nev\u00fdhodou pou\u017eit\u00ed lignocelul\u00f3zov\u00e9 biomasy pro v\u00fdrobu bioetanolu je, \u017ee obsahuje \u0159adu sacharidov\u00fdch polymer\u016f v\u010detn\u011b celul\u00f3zy. Celul\u00f3za je hlavn\u00ed slo\u017ekou bun\u011b\u010dn\u00fdch st\u011bn rostlin a skl\u00e1d\u00e1 se z molekul gluk\u00f3zy. P\u0159i rozkladu celul\u00f3zy v procesu zvan\u00e9m hydrol\u00fdza se uvol\u0148uje gluk\u00f3za. Existuje n\u011bkolik zp\u016fsob\u016f, jak hydrolyzovat celul\u00f3zu v lignocelul\u00f3zov\u00e9 biomase za \u00fa\u010delem z\u00edsk\u00e1n\u00ed zkvasiteln\u00fdch cukr\u016f. Mezi nejb\u011b\u017en\u011bj\u0161\u00ed metody pat\u0159\u00ed o\u0161et\u0159en\u00ed biomasy kyselinou nebo specifick\u00fdmi enzymy a jej\u00ed zah\u0159\u00e1t\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V p\u0159\u00edpad\u011b biomasy, kter\u00e1 nen\u00ed lignocelul\u00f3zov\u00e1, jako je nap\u0159\u00edklad obil\u00ed, je prvn\u00edm krokem rozemlet\u00ed biomasy, aby se uvolnil \u0161krob. V\u00fdsledn\u00fd materi\u00e1l se sm\u00edch\u00e1 s ur\u010dit\u00fdm objemem vody, aby se kontroloval pom\u011br cukru a kvasinek ve v\u00fdsledn\u00e9 ka\u0161i. Zah\u0159\u00edv\u00e1n\u00edm sm\u011bsi se rozpou\u0161t\u011bj\u00ed ve vod\u011b rozpustn\u00e9 \u0161kroby, zat\u00edmco kyselou nebo enzymatickou hydrol\u00fdzou se \u0161krob sou\u010dasn\u011b p\u0159em\u011b\u0148uje na cukry. V\u00fdsledn\u00e1 sm\u011bs se kup\u00ed na pH mezi 4,8 a 5,0, kter\u00e9 je m\u00edrn\u011b kysel\u00e9. To je nezbytn\u00e9 pro r\u016fst kvasinek, kter\u00e9 cukry zkva\u0161uj\u00ed. P\u0159i kva\u0161en\u00ed vznik\u00e1 etanol a CO2. N\u00e1sledn\u00e1 destilace a dehydratace zvy\u0161uje koncentraci ethanolu v roztoku.<img decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-220\" style=\"width: 150px;\" src=\"https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1.png\" alt=\"kynast bioetanol 96\" srcset=\"https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1.png 700w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1-300x300.png 300w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1-150x150.png 150w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1-600x600.png 600w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1-324x324.png 324w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1-416x416.png 416w, https:\/\/www.bioethanolshop.nl\/wp-content\/uploads\/2021\/02\/ky-nast-12_1-1-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aby mohl b\u00fdt etanol pou\u017e\u00edv\u00e1n jako palivo, mus\u00ed b\u00fdt velmi \u010dist\u00fd, co nejbl\u00ed\u017ee 100%. Pr\u016fmyslov\u011b vyr\u00e1b\u011bn\u00fd etanol m\u00e1 pom\u011brn\u011b vysok\u00fd obsah vody, kter\u00fd sni\u017euje jeho \u010distotu. Existuje n\u011bkolik metod dehydratace etanolu, p\u0159i\u010dem\u017e v\u0161echny jsou v sou\u010dasn\u00e9 dob\u011b p\u0159edm\u011btem zkoum\u00e1n\u00ed v\u011bdc\u016f s c\u00edlem zv\u00fd\u0161it \u00fa\u010dinnost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak\u00e9 jsou p\u0159\u00ednosy bioetanolu pro \u017eivotn\u00ed prost\u0159ed\u00ed?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bioetanol nejen\u017ee poch\u00e1z\u00ed z obnoviteln\u00fdch zdroj\u016f, ale ve srovn\u00e1n\u00ed s konven\u010dn\u00edmi palivy tak\u00e9 v\u00fdrazn\u011b sni\u017euje emise sklen\u00edkov\u00fdch plyn\u016f b\u011bhem v\u00fdroby a p\u0159i spalov\u00e1n\u00ed hotov\u00e9ho paliva. P\u0159id\u00e1v\u00e1n\u00ed etanolu do benzinu zvy\u0161uje oktanov\u00e9 \u010d\u00edslo, co\u017e znamen\u00e1, \u017ee benz\u00edn sp\u00ed\u0161e ho\u0159\u00ed, ne\u017e ho\u0159\u00ed, a umo\u017e\u0148uje n\u00e1m tak vyt\u011b\u017eit st\u00e1le se zmen\u0161uj\u00edc\u00ed z\u00e1soby ropy. Prodlou\u017een\u00ed \u017eivotnosti ropn\u00fdch z\u00e1sob zvy\u0161uje na\u0161i bezpe\u010dnost v oblasti pohonn\u00fdch hmot a sni\u017euje na\u0161i z\u00e1vislost na zem\u00edch produkuj\u00edc\u00edch ropu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud v\u00e1s zaj\u00edm\u00e1, zda bioetanol produkuje oxid uhelnat\u00fd nebo jin\u00e9 \u0161kodliv\u00e9 l\u00e1tky, odpov\u011b\u010f zn\u00ed ne. P\u0159i spalov\u00e1n\u00ed bioetanolu vznik\u00e1 jen velmi m\u00e1lo emis\u00ed a je v\u00fdrazn\u011b \u010dist\u0161\u00ed ne\u017e konven\u010dn\u00ed paliva. Nejhor\u0161\u00ed, co vypou\u0161t\u00ed, je zanedbateln\u00e9 mno\u017estv\u00ed oxidu uhli\u010dit\u00e9ho, co\u017e je p\u0159\u00edli\u0161 m\u00e1lo na to, aby to m\u011blo n\u011bjak\u00fd negativn\u00ed dopad na zdrav\u00ed lid\u00ed nebo \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mo\u017en\u00e1 jste sly\u0161eli protich\u016fdn\u00e1 tvrzen\u00ed o uhl\u00edkov\u00e9 stop\u011b bioetanolu. Je tedy bioetanol uhl\u00edkov\u011b neutr\u00e1ln\u00ed, nebo ne? Odpov\u011b\u010f zn\u00ed: ano, je uhl\u00edkov\u011b neutr\u00e1ln\u00ed. Mus\u00edte si v\u0161ak polo\u017eit ot\u00e1zku, pro\u010d je bioetanol uhl\u00edkov\u011b neutr\u00e1ln\u00ed. Odpov\u011b\u010f je vlastn\u011b docela jednoduch\u00e1: mno\u017estv\u00ed oxidu uhli\u010dit\u00e9ho uvoln\u011bn\u00e9ho p\u0159i v\u00fdrob\u011b bioetanolu je stejn\u00e9 jako mno\u017estv\u00ed oxidu uhli\u010dit\u00e9ho p\u0159ijat\u00e9ho rostlinami, kter\u00e9 palivo produkuj\u00ed b\u011bhem fotosynt\u00e9zy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159echod z paliv na b\u00e1zi ropy na bioetanol pom\u016f\u017ee ozdravit oz\u00f3novou vrstvu nad Zem\u00ed, co\u017e je dlouhodob\u00fd c\u00edl ekologick\u00e9ho hnut\u00ed. Kdy\u017e <a href=\"https:\/\/www.bioethanolshop.nl\/cs\/kategorie-produktu\/bioethanol-domaci-parfem-2\/\">etanol <\/a>ho\u0159\u00ed, jsou v\u00fdsledn\u00e9 produkty m\u00e9n\u011b reaktivn\u00ed se slune\u010dn\u00edm sv\u011btlem ne\u017e emise z konven\u010dn\u00edch zdroj\u016f paliv. Ani rozs\u00e1hl\u00e9 spalov\u00e1n\u00ed etanolu pravd\u011bpodobn\u011b nevede k po\u0161kozen\u00ed ozonov\u00e9 vrstvy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I kdy\u017e budeme v bl\u00edzk\u00e9 budoucnosti nad\u00e1le pou\u017e\u00edvat konven\u010dn\u00ed pohonn\u00e9 hmoty pro na\u0161e vozidla, m\u016f\u017eeme bioethanol pou\u017e\u00edvat ke sn\u00ed\u017een\u00ed emis\u00ed sklen\u00edkov\u00fdch plyn\u016f. M\u00edch\u00e1n\u00ed bioetanolu s benzinem p\u0159in\u00e1\u0161\u00ed \u0159adu cenn\u00fdch v\u00fdhod. Zaprv\u00e9 zvy\u0161uje oktanov\u00e9 \u010d\u00edslo paliva, co\u017e je obvykle obt\u00ed\u017en\u00e9 a n\u00e1kladn\u00e9. Obohacen\u00edm nekvalitn\u00edho paliva etanolem m\u016f\u017eeme sn\u00ed\u017eit \u0161kodliv\u00e9 emise a zv\u00fd\u0161it v\u00fdkon. P\u0159id\u00e1v\u00e1n\u00ed bioetanolu do pohonn\u00fdch hmot tak\u00e9 znamen\u00e1, \u017ee m\u016f\u017eeme d\u00e1le roz\u0161\u00ed\u0159it na\u0161e dod\u00e1vky a sn\u00ed\u017eit na\u0161i z\u00e1vislost na zem\u00edch produkuj\u00edc\u00edch ropu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Celkov\u011b by \u0161irok\u00e9 pou\u017e\u00edv\u00e1n\u00ed bioetanolu vedlo ke zlep\u0161en\u00ed kvality ovzdu\u0161\u00ed a sn\u00ed\u017een\u00ed v\u00fdskytu karcinogenn\u00edch \u010d\u00e1stic. Prob\u00edhaj\u00edc\u00ed v\u00fdzkumn\u00e9 a v\u00fdvojov\u00e9 projekty neust\u00e1le zlep\u0161uj\u00ed ekologick\u00e9 p\u0159\u00ednosy bioetanolu, co\u017e z n\u011bj \u010din\u00ed je\u0161t\u011b atraktivn\u011bj\u0161\u00ed perspektivu. Nap\u0159\u00edklad nejnov\u011bj\u0161\u00ed konstrukce z\u00e1vod\u016f na v\u00fdrobu bioetanolu zaji\u0161\u0165uj\u00ed, \u017ee ve\u0161ker\u00e1 vypou\u0161t\u011bn\u00e1 voda je ekologicky neutr\u00e1ln\u00ed. N\u011bkter\u00e9 z\u00e1vody recykluj\u00ed odpadn\u00ed vodu, kter\u00e1 vznik\u00e1 p\u0159i v\u00fdrob\u011b bioetanolu, aby mohla b\u00fdt znovu pou\u017eita.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>K \u010demu se pou\u017e\u00edv\u00e1 bioetanol?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Etanol je univerz\u00e1ln\u00ed palivo, kter\u00e9 ji\u017e prok\u00e1zalo sv\u016fj potenci\u00e1l v n\u011bkolika kl\u00ed\u010dov\u00fdch oblastech. Nejv\u00fdznamn\u011bj\u0161\u00edm vyu\u017eit\u00edm bioetanolu je dnes jeho vyu\u017eit\u00ed jako paliva v doprav\u011b, p\u0159i\u010dem\u017e mnoz\u00ed z\u00e1stupci automobilov\u00e9ho pr\u016fmyslu o\u010dek\u00e1vaj\u00ed, \u017ee nakonec nahrad\u00ed benzin jako prim\u00e1rn\u00ed palivo pro osobn\u00ed vozidla. Jednou z v\u00fdhod bioetanolu je v\u0161ak to, \u017ee nemus\u00ed zcela nahradit benz\u00edn, aby m\u011bl v\u00fdznam. Etanol se \u010dasto pou\u017e\u00edv\u00e1 ke zv\u00fd\u0161en\u00ed v\u00fdkonu nekvalitn\u00edch paliv a na trhu je n\u011bkolik sm\u011bsn\u00fdch paliv, kter\u00e1 kombinuj\u00ed bioetanol s naftou nebo benzinem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stejn\u011b jako ka\u017ed\u00e9 jin\u00e9 palivo lze i bioetanol spalovat a vyr\u00e1b\u011bt z n\u011bj energii. V\u00fdzkum potenci\u00e1ln\u00ed \u00falohy bioetanolu p\u0159i v\u00fdrob\u011b elekt\u0159iny pokra\u010duje. Ve srovn\u00e1n\u00ed s uhl\u00edm a ropou m\u00e1 etanol mnohem ni\u017e\u0161\u00ed tepeln\u00fd v\u00fdkon, co\u017e znamen\u00e1, \u017ee k v\u00fdrob\u011b stejn\u00e9ho mno\u017estv\u00ed energie je zapot\u0159eb\u00ed mnohem v\u011bt\u0161\u00ed mno\u017estv\u00ed. M\u016f\u017eeme si v\u0161ak dovolit spalovat mnohem v\u00edce etanolu, ani\u017e bychom po\u0161kozovali \u017eivotn\u00ed prost\u0159ed\u00ed a vypou\u0161t\u011bli toxick\u00e9 emise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">St\u00e1le obl\u00edben\u011bj\u0161\u00ed jsou tak\u00e9 krby na bioetanol. Neprodukuj\u00ed kou\u0159 ani jin\u00e9 \u0161kodliv\u00e9 vedlej\u0161\u00ed produkty, skv\u011ble vypadaj\u00ed a nevy\u017eaduj\u00ed kom\u00edn ani p\u0159ipojen\u00ed k plynov\u00e9mu potrub\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak si stoj\u00ed bioetanol ve srovn\u00e1n\u00ed s konven\u010dn\u00edmi palivy?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V porovn\u00e1n\u00ed s benz\u00ednem m\u00e1 bioetanol mnohem ni\u017e\u0161\u00ed energetick\u00fd obsah. Pokud m\u00e1te dv\u011b stejn\u00e1 vozidla, z nich\u017e jedno jezd\u00ed na benz\u00edn a druh\u00e9 na bioetanol, auto na benz\u00edn bude moci pokra\u010dovat v provozu. Bioetanol v\u0161ak neprodukuje tak \u0161kodliv\u00e9 emise jako benzin. Vzhledem k tomu, \u017ee n\u00e1klady na v\u00fdrobu bioetanolu st\u00e1le klesaj\u00ed a v\u00fdrobn\u00ed metody se st\u00e1vaj\u00ed efektivn\u011bj\u0161\u00edmi, je mo\u017en\u00e9, \u017ee dos\u00e1hneme bodu, kdy bude \u010dast\u011bj\u0161\u00ed tankov\u00e1n\u00ed do vozidel pova\u017eov\u00e1no za v\u00fdhodn\u00fd kompromis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bioetanol m\u00e1 vy\u0161\u0161\u00ed oktanov\u00e9 \u010d\u00edslo ne\u017e benzin a m\u016f\u017ee se dokonce p\u0159id\u00e1vat do benzinu, aby se oktanov\u00e9 \u010d\u00edslo zv\u00fd\u0161ilo. Vy\u0161\u0161\u00ed oktanov\u00e9 \u010d\u00edslo znamen\u00e1, \u017ee bioetanol v motoru sp\u00ed\u0161e ho\u0159\u00ed, ne\u017e aby se vzn\u00edtil, a m\u00e1 lep\u0161\u00ed protiatomov\u00e9 vlastnosti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Etanol je m\u00e9n\u011b t\u011bkav\u00fd ne\u017e benzin, m\u011b\u0159eno Reidov\u00fdm tlakem par. Ni\u017e\u0161\u00ed tlak bioetanolu znamen\u00e1, \u017ee se odpa\u0159uje pomalu, \u010d\u00edm\u017e se udr\u017euje n\u00edzk\u00e1 koncentrace odpa\u0159ovac\u00edch emis\u00ed a d\u00e1le se sni\u017euje riziko exploze paliva. N\u00edzk\u00fd tlak par v\u0161ak m\u016f\u017ee b\u00fdt pro etanol tak\u00e9 nev\u00fdhodou. Kombinace n\u00edzk\u00e9ho tlaku a jedin\u00e9ho bodu varu znamen\u00e1, \u017ee motory poh\u00e1n\u011bn\u00e9 \u010dist\u00fdm etanolem nemohou bez pomoci nastartovat p\u0159i teplot\u00e1ch pod 20 stup\u0148\u016f Celsia. Pokud se n\u011bkdy za\u010dne v\u00e1\u017en\u011b uva\u017eovat o pou\u017eit\u00ed bioetanolu jako prim\u00e1rn\u00edho paliva pro automobily, budou muset motory tento probl\u00e9m kompenzovat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bioetanol a podobn\u00e1 biopaliva mohou hr\u00e1t d\u016fle\u017eitou roli v boji proti zm\u011bn\u011b klimatu. Nejen\u017ee m\u00e1 \u0161irok\u00e9 mo\u017enosti vyu\u017eit\u00ed, ale v\u00fdroba bioetanolu je tak\u00e9 uhl\u00edkov\u011b neutr\u00e1ln\u00ed. Sledujte tento prostor, proto\u017ee by se mohl st\u00e1t palivem budoucnosti.<\/p>","protected":false},"excerpt":{"rendered":"<p>Jak\u00e1 je uhl\u00edkov\u00e1 stopa bioetanolu? Ohleduplnost k \u017eivotn\u00edmu prost\u0159ed\u00ed ji\u017e nen\u00ed okrajovou z\u00e1le\u017eitost\u00ed. Vzhledem k tomu, \u017ee \u00fa\u010dinky antropomorfn\u00edch<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,51],"tags":[],"class_list":["post-706","post","type-post","status-publish","format-standard","hentry","category-algemeen","category-bioethanol-advies"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Wat is de koolstofvoetafdruk van bio-ethanol? | Bioethanolshop.nl<\/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.bioethanolshop.nl\/cs\/jaka-je-uhlikova-stopa-bioetanolu\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wat is de koolstofvoetafdruk van bio-ethanol?\" \/>\n<meta property=\"og:description\" content=\"Wat is de koolstofvoetafdruk van bio-ethanol? 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