{"id":59787,"date":"2023-04-21T23:14:48","date_gmt":"2023-04-22T04:14:48","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-biodiesel-fuel-at-home\/"},"modified":"2025-01-27T06:09:52","modified_gmt":"2025-01-27T11:09:52","slug":"how-to-make-biodiesel-fuel-at-home","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/how-to-make-biodiesel-fuel-at-home\/","title":{"rendered":"Dom\u00e1c\u00ed v\u00fdroba biodiesely: Kompletn\u00ed n\u00e1vod"},"content":{"rendered":"<p>Dom\u00e1c\u00ed v\u00fdroba biodiesely nen\u00ed slo\u017eit\u00e1, ale vy\u017eaduje pe\u010dlivost a dodr\u017eov\u00e1n\u00ed bezpe\u010dnostn\u00edch p\u0159edpis\u016f.  Tento \u010dl\u00e1nek podrobn\u011b popisuje proces v\u00fdroby biodiesely z pou\u017eit\u00fdch rostlinn\u00fdch olej\u016f,  s d\u016frazem na bezpe\u010dnost a efektivitu.  Proces je pom\u011brn\u011b jednoduch\u00fd, ale vy\u017eaduje p\u0159esn\u00e9 m\u011b\u0159en\u00ed a dodr\u017eov\u00e1n\u00ed postup\u016f.<\/p>\n<p>Surovina a p\u0159\u00edprava<\/p>\n<p>Z\u00e1kladem pro v\u00fdrobu biodiesely je pou\u017eit\u00fd rostlinn\u00fd olej.  Ide\u00e1ln\u00ed jsou oleje z fritov\u00e1n\u00ed, ale lze pou\u017e\u00edt i jin\u00e9,  jako nap\u0159\u00edklad \u0159epkov\u00fd nebo slune\u010dnicov\u00fd olej.  P\u0159ed pou\u017eit\u00edm je nutn\u00e9 olej co nejv\u00edce zbavit ne\u010distot a vodn\u00edch zbytk\u016f.  To se prov\u00e1d\u00ed filtrac\u00ed p\u0159es pap\u00edrov\u00fd filtr nebo jemn\u00e9 s\u00edto.  Kvalita suroviny p\u0159\u00edmo ovliv\u0148uje kvalitu v\u00fdsledn\u00e9 biodiesely.  Velmi d\u016fle\u017eit\u00e9 je odstran\u011bn\u00ed vody, kter\u00e1 m\u016f\u017ee v\u00e9st k probl\u00e9m\u016fm b\u011bhem procesu transesterifikace.<\/p>\n<p>Chemik\u00e1lie a pom\u016fcky<\/p>\n<p>K v\u00fdrob\u011b biodiesely budete pot\u0159ebovat:<\/p>\n<ul>\n<li><strong>Metanol (methylalkohol):<\/strong>  Je to velmi toxick\u00e1 l\u00e1tka, s n\u00ed\u017e je nutn\u00e9 manipulovat s maxim\u00e1ln\u00ed opatrnost\u00ed.  Pou\u017e\u00edvejte ochrann\u00e9 rukavice, br\u00fdle a respir\u00e1tor.<\/li>\n<li><strong>Hydroxid sodn\u00fd (NaOH) nebo hydroxid draseln\u00fd (KOH):<\/strong> Siln\u011b \u017e\u00edrav\u00fd, manipulace pouze s ochrann\u00fdmi pom\u016fckami.<\/li>\n<li><strong>Pou\u017eit\u00fd rostlinn\u00fd olej:<\/strong>  Viz v\u00fd\u0161e.<\/li>\n<li><strong>N\u00e1dr\u017ee z nerezov\u00e9 oceli nebo skla:<\/strong>  Vyhn\u011bte se plastov\u00fdm n\u00e1dob\u00e1m, kter\u00e9 by mohly b\u00fdt metanolem rozpu\u0161t\u011bny.<\/li>\n<li><strong>M\u011b\u0159ic\u00ed p\u0159\u00edstroje:<\/strong>  P\u0159esn\u00e1 v\u00e1ha a odm\u011brky jsou kl\u00ed\u010dov\u00e9 pro \u00fasp\u011bch.<\/li>\n<li><strong>M\u00edchadlo:<\/strong> Pro d\u016fkladn\u00e9 prom\u00edch\u00e1n\u00ed reak\u010dn\u00ed sm\u011bsi.<\/li>\n<li><strong>Separ\u00e1tor:<\/strong>  Pro odd\u011blen\u00ed glycerinu od biodiesely.  M\u016f\u017ee to b\u00fdt i jen klidn\u00e9 usazen\u00ed, ale separace pomoc\u00ed odstredivky je mnohem efektivn\u011bj\u0161\u00ed.<\/li>\n<\/ul>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Chemik\u00e1lie<\/th>\n<th>Nebezpe\u010d\u00ed<\/th>\n<th>Bezpe\u010dnostn\u00ed opat\u0159en\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Metanol<\/td>\n<td>Toxick\u00fd, ho\u0159lav\u00fd<\/td>\n<td>Ochrann\u00e9 rukavice, br\u00fdle, respir\u00e1tor, pr\u00e1ce ve v\u011btran\u00e9 m\u00edstnosti<\/td>\n<\/tr>\n<tr>\n<td>Hydroxid sodn\u00fd (NaOH)<\/td>\n<td>\u017d\u00edrav\u00fd<\/td>\n<td>Ochrann\u00e9 rukavice, br\u00fdle, respir\u00e1tor, pr\u00e1ce ve v\u011btran\u00e9 m\u00edstnosti<\/td>\n<\/tr>\n<tr>\n<td>Hydroxid draseln\u00fd (KOH)<\/td>\n<td>\u017d\u00edrav\u00fd<\/td>\n<td>Ochrann\u00e9 rukavice, br\u00fdle, respir\u00e1tor, pr\u00e1ce ve v\u011btran\u00e9 m\u00edstnosti<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Proces transesterifikace<\/p>\n<p>Transesterifikace je chemick\u00e1 reakce, p\u0159i kter\u00e9 se triglyceridy v rostlinn\u00e9m oleji reaguj\u00ed s metanolem za p\u0159\u00edtomnosti katalyz\u00e1toru (NaOH nebo KOH) a vytvo\u0159\u00ed se methylestery mastn\u00fdch kyselin (biodiesel) a glycerin.  Postup je n\u00e1sleduj\u00edc\u00ed:<\/p>\n<ol>\n<li><strong>P\u0159\u00edprava roztoku:<\/strong> Rozpus\u0165te hydroxid sodn\u00fd (nebo draseln\u00fd) v metanolu.  Mno\u017estv\u00ed chemik\u00e1li\u00ed se \u0159\u00edd\u00ed p\u0159esn\u00fdm receptem, kter\u00fd je z\u00e1visl\u00fd na mno\u017estv\u00ed pou\u017eit\u00e9ho oleje.<\/li>\n<li><strong>Sm\u00edch\u00e1n\u00ed:<\/strong>  Pomalu p\u0159id\u00e1vejte roztok hydroxidu do p\u0159edem zah\u0159\u00e1t\u00e9ho oleje (cca 50\u00b0C) a d\u016fkladn\u011b m\u00edchejte.  Reakce je exotermick\u00e1, tak\u017ee se sm\u011bs zah\u0159eje.<\/li>\n<li><strong>Reakce:<\/strong>  Sm\u011bs se nech\u00e1 reagovat po dobu 1-2 hodin za st\u00e1l\u00e9ho m\u00edch\u00e1n\u00ed.<\/li>\n<li><strong>Separace:<\/strong>  Po reakci se sm\u011bs nech\u00e1 odst\u00e1t, aby se odd\u011blil glycerin od biodiesely.  Glycerin se usad\u00ed na dn\u011b.<\/li>\n<li><strong>Myt\u00ed:<\/strong>  Biodiesela se promyje vodou, aby se odstranily zbytky glycerinu a metanolu.  Toto je d\u016fle\u017eit\u00e9 pro kvalitu paliva.<\/li>\n<li><strong>Su\u0161en\u00ed:<\/strong>  Biodiesela se su\u0161\u00ed, aby se odstranila zb\u00fdvaj\u00edc\u00ed voda.<\/li>\n<\/ol>\n<p>\u010ci\u0161t\u011bn\u00ed a filtrace<\/p>\n<p>Po separaci je nutn\u00e9 biodieselu d\u016fkladn\u011b vy\u010distit a filtrovat.  Pou\u017e\u00edvaj\u00ed se r\u016fzn\u00e9 druhy filtr\u016f, od pap\u00edrov\u00fdch filtr\u016f a\u017e po speci\u00e1ln\u00ed filtry pro biopalivo.  Kvalita filtrace ovliv\u0148uje kvalitu a \u017eivotnost motoru.  Zbytkov\u00fd glycerin a metanol mohou po\u0161kodit palivov\u00fd syst\u00e9m.<\/p>\n<p>Z\u00e1v\u011br<\/p>\n<p>V\u00fdroba biodiesely doma je mo\u017en\u00e1, ale vy\u017eaduje pe\u010dlivou p\u0159\u00edpravu, p\u0159esn\u00e9 m\u011b\u0159en\u00ed a dodr\u017eov\u00e1n\u00ed bezpe\u010dnostn\u00edch p\u0159edpis\u016f.  Je nezbytn\u00e9 pracovat s ochrann\u00fdmi pom\u016fckami a v dob\u0159e v\u011btran\u00e9 m\u00edstnosti.  Kvalita v\u00fdsledn\u00e9ho paliva z\u00e1vis\u00ed na kvalit\u011b suroviny, dodr\u017een\u00ed postupu a n\u00e1sledn\u00e9m \u010di\u0161t\u011bn\u00ed.  Pou\u017e\u00edv\u00e1n\u00ed dom\u00e1c\u00ed biodiesely v automobilov\u00fdch motorech by m\u011blo b\u00fdt konzultov\u00e1no s odborn\u00edkem, proto\u017ee pou\u017eit\u00ed nekvalitn\u00ed biodiesely m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed motoru.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dom\u00e1c\u00ed v\u00fdroba biodiesely nen\u00ed slo\u017eit\u00e1, ale vy\u017eaduje pe\u010dlivost a dodr\u017eov\u00e1n\u00ed bezpe\u010dnostn\u00edch p\u0159edpis\u016f. Tento \u010dl\u00e1nek podrobn\u011b popisuje proces v\u00fdroby biodiesely z pou\u017eit\u00fdch rostlinn\u00fdch olej\u016f, s d\u016frazem na bezpe\u010dnost a efektivitu. Proces je pom\u011brn\u011b jednoduch\u00fd, ale vy\u017eaduje p\u0159esn\u00e9 m\u011b\u0159en\u00ed a dodr\u017eov\u00e1n\u00ed postup\u016f. Surovina a p\u0159\u00edprava Z\u00e1kladem pro v\u00fdrobu biodiesely je pou\u017eit\u00fd rostlinn\u00fd olej. Ide\u00e1ln\u00ed jsou oleje z<\/p>\n","protected":false},"author":1,"featured_media":26456,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-59787","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\/59787","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=59787"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/59787\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/26456"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=59787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=59787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=59787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}