{"id":57716,"date":"2023-04-22T02:59:58","date_gmt":"2023-04-22T07:59:58","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-biodiesel-from-waste-cooking-oil\/"},"modified":"2025-01-27T06:09:51","modified_gmt":"2025-01-27T11:09:51","slug":"how-to-make-biodiesel-from-waste-cooking-oil","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/how-to-make-biodiesel-from-waste-cooking-oil\/","title":{"rendered":"Biodiesel z odpadn\u00edho oleje: Kompletn\u00ed n\u00e1vod"},"content":{"rendered":"<p>Vyu\u017eit\u00ed odpadn\u00edho kuchy\u0148sk\u00e9ho oleje k v\u00fdrob\u011b biodiesely je st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed a ekologicky \u0161etrn\u011bj\u0161\u00ed alternativou k fosiln\u00edm paliv\u016fm.  Proces v\u00fdroby je relativn\u011b jednoduch\u00fd, ale vy\u017eaduje pe\u010dlivost a dodr\u017eov\u00e1n\u00ed bezpe\u010dnostn\u00edch p\u0159edpis\u016f.  N\u00e1sleduj\u00edc\u00ed \u010dl\u00e1nek podrobn\u011b popisuje jednotliv\u00e9 kroky k v\u00fdrob\u011b biodiesely z odpadn\u00edho oleje.<\/p>\n<p>P\u0159\u00edprava odpadn\u00edho kuchy\u0148sk\u00e9ho oleje<\/p>\n<p>Nejd\u0159\u00edve je nutn\u00e9 odpadn\u00ed olej \u0159\u00e1dn\u011b p\u0159ipravit.  To zahrnuje jeho filtrov\u00e1n\u00ed, aby se odstranily pevn\u00e9 ne\u010distoty, jako jsou zbytky j\u00eddla a jin\u00e9 \u010d\u00e1stice.  Filtrace se prov\u00e1d\u00ed p\u0159es n\u011bkolik vrstev filtra\u010dn\u00ed tkaniny, ide\u00e1ln\u011b n\u011bkolikr\u00e1t, dokud nen\u00ed olej \u010dir\u00fd.  Je d\u016fle\u017eit\u00e9 odstranit co nejv\u00edce vody, kter\u00e1 m\u016f\u017ee negativn\u011b ovlivnit proces transesterifikace.  Vodu lze odstranit pomoc\u00ed odst\u0159edivky nebo nechat olej n\u011bkolik dn\u00ed usadit, aby se voda odd\u011blila na dno n\u00e1doby.  Kvalita vstupn\u00edho oleje v\u00fdrazn\u011b ovliv\u0148uje kvalitu v\u00fdsledn\u00e9 biodiesely.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Krok<\/th>\n<th>Popis<\/th>\n<th>D\u016fle\u017eit\u00e9 pozn\u00e1mky<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1. Sb\u011br<\/td>\n<td>Shrom\u00e1\u017edit odpadn\u00ed olej a skladovat v \u010dist\u00e9, such\u00e9 n\u00e1dob\u011b.<\/td>\n<td>Vyhnout se kontaminaci vodou a jin\u00fdmi ne\u010distotami.<\/td>\n<\/tr>\n<tr>\n<td>2. Filtrace<\/td>\n<td>Prov\u00e9st filtraci p\u0159es n\u011bkolik vrstev filtra\u010dn\u00ed tkaniny.<\/td>\n<td>Opakovat filtraci pro dosa\u017een\u00ed maxim\u00e1ln\u00ed \u010distoty.<\/td>\n<\/tr>\n<tr>\n<td>3. Odvodn\u011bn\u00ed<\/td>\n<td>Odstranit vodu pomoc\u00ed odst\u0159edivky nebo usazov\u00e1n\u00edm.<\/td>\n<td>Kompletn\u00ed odvodn\u011bn\u00ed je kl\u00ed\u010dov\u00e9 pro \u00fasp\u011b\u0161nou transesterifikaci.<\/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 oleji reaguj\u00ed s methanolem (nebo ethanolem) za p\u0159\u00edtomnosti katalyz\u00e1toru (obvykle hydroxidu sodn\u00e9ho nebo draseln\u00e9ho) za vzniku methylester\u016f mastn\u00fdch kyselin (biodiesely) a glycerolu.  Tento proces vy\u017eaduje p\u0159esn\u00e9 pom\u011bry a kontrolu teploty.  Reakce je exotermick\u00e1, tak\u017ee je nutn\u00e9 zajistit dostate\u010dn\u00e9 chlazen\u00ed reak\u010dn\u00ed n\u00e1doby.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Chemik\u00e1lie<\/th>\n<th>Mno\u017estv\u00ed (p\u0159ibli\u017en\u00e9)<\/th>\n<th>Pozn\u00e1mka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Odpadn\u00ed kuchy\u0148sk\u00fd olej<\/td>\n<td>1 litr<\/td>\n<td>P\u0159ed transesterifikac\u00ed d\u016fkladn\u011b vyfiltrovat a zbavit vody<\/td>\n<\/tr>\n<tr>\n<td>Methanol<\/td>\n<td>0,2 litru<\/td>\n<td>Pou\u017e\u00edvat pouze \u010dist\u00fd methanol<\/td>\n<\/tr>\n<tr>\n<td>Hydroxid sodn\u00fd (NaOH)<\/td>\n<td>15 g<\/td>\n<td>Opatrn\u011b zach\u00e1zet, je \u017e\u00edrav\u00fd!<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Separace a \u010di\u0161t\u011bn\u00ed biodiesely<\/p>\n<p>Po dokon\u010den\u00ed transesterifikace je nutn\u00e9 odd\u011blit biodieselu od glycerolu.  Glycerol je hust\u0161\u00ed a usad\u00ed se na dn\u011b n\u00e1doby.  Odd\u011blen\u00ed lze prov\u00e9st gravita\u010dn\u00edm usazov\u00e1n\u00edm, trv\u00e1 to n\u011bkolik dn\u00ed, nebo pomoc\u00ed separ\u00e1toru.  Pot\u00e9 je biodiesel nutn\u00e9 n\u011bkolikr\u00e1t proprat vodou, aby se odstranily zbytky glycerolu, methanolu a katalyz\u00e1toru.  Nakonec je biodiesel vhodn\u00e9 filtrovat p\u0159es aktivn\u00ed uhl\u00ed pro odstran\u011bn\u00ed zbytk\u016f ne\u010distot a zlep\u0161en\u00ed kvality.<\/p>\n<p>Bezpe\u010dnostn\u00ed opat\u0159en\u00ed<\/p>\n<p>P\u0159i v\u00fdrob\u011b biodiesely je d\u016fle\u017eit\u00e9 dodr\u017eovat p\u0159\u00edsn\u00e1 bezpe\u010dnostn\u00ed opat\u0159en\u00ed.  Methanol a hydroxid sodn\u00fd jsou \u017e\u00edrav\u00e9 l\u00e1tky a je nutn\u00e9 s nimi manipulovat s opatrnost\u00ed.  V\u017edy pou\u017e\u00edvejte ochrann\u00e9 pom\u016fcky, jako jsou rukavice, br\u00fdle a ochrann\u00fd od\u011bv.  Pr\u00e1ce by se m\u011bla prov\u00e1d\u011bt v dob\u0159e v\u011btran\u00e9m prostoru, proto\u017ee se uvol\u0148uj\u00ed \u0161kodliv\u00e9 v\u00fdpary.<\/p>\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee v\u00fdroba biodiesely z odpadn\u00edho kuchy\u0148sk\u00e9ho oleje je ekologicky p\u0159\u00edzniv\u00fd zp\u016fsob, jak sn\u00ed\u017eit spot\u0159ebu fosiln\u00edch paliv.  Proces je relativn\u011b jednoduch\u00fd, ale vy\u017eaduje pe\u010dlivost, dodr\u017eov\u00e1n\u00ed bezpe\u010dnostn\u00edch p\u0159edpis\u016f a znalost chemie.  Spr\u00e1vn\u011b vyroben\u00e1 biodiesela m\u016f\u017ee b\u00fdt pou\u017eita v naftov\u00fdch motorech a p\u0159edstavuje cennou alternativu k tradi\u010dn\u00edm paliv\u016fm.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vyu\u017eit\u00ed odpadn\u00edho kuchy\u0148sk\u00e9ho oleje k v\u00fdrob\u011b biodiesely je st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed a ekologicky \u0161etrn\u011bj\u0161\u00ed alternativou k fosiln\u00edm paliv\u016fm. Proces v\u00fdroby je relativn\u011b jednoduch\u00fd, ale vy\u017eaduje pe\u010dlivost a dodr\u017eov\u00e1n\u00ed bezpe\u010dnostn\u00edch p\u0159edpis\u016f. N\u00e1sleduj\u00edc\u00ed \u010dl\u00e1nek podrobn\u011b popisuje jednotliv\u00e9 kroky k v\u00fdrob\u011b biodiesely z odpadn\u00edho oleje. P\u0159\u00edprava odpadn\u00edho kuchy\u0148sk\u00e9ho oleje Nejd\u0159\u00edve je nutn\u00e9 odpadn\u00ed olej \u0159\u00e1dn\u011b p\u0159ipravit. To zahrnuje jeho<\/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-57716","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\/57716","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=57716"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/57716\/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=57716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=57716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=57716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}