{"id":45252,"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":"2025-01-21T07:18:13","modified_gmt":"2025-01-21T12:18:13","slug":"how-to-make-biodiesel-from-waste-cooking-oil","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-biodiesel-from-waste-cooking-oil\/","title":{"rendered":"Bi\u1ebfn d\u1ea7u \u0103n th\u1eeba th\u00e0nh biodiesel: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"<p>S\u1ea3n xu\u1ea5t biodiesel t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m. Qu\u00e1 tr\u00ecnh n\u00e0y, tuy c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1ea1i nh\u00e0 v\u1edbi quy m\u00f4 nh\u1ecf, \u0111\u00f2i h\u1ecfi s\u1ef1 c\u1ea9n th\u1eadn v\u00e0 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o biodiesel t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng.<\/p>\n<h3>Thu th\u1eadp v\u00e0 x\u1eed l\u00fd d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng<\/h3>\n<p>\u0110\u1ea7u ti\u00ean, c\u1ea7n thu th\u1eadp d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng t\u1eeb c\u00e1c ngu\u1ed3n \u0111\u00e1ng tin c\u1eady nh\u01b0 nh\u00e0 b\u1ebfp, nh\u00e0 h\u00e0ng.  Sau \u0111\u00f3, l\u1ecdc d\u1ea7u qua nhi\u1ec1u l\u1edbp v\u1ea3i ho\u1eb7c gi\u1ea5y l\u1ecdc \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 c\u1eb7n th\u1ee9c \u0103n, v\u1ee5n b\u00e1nh.  Qu\u00e1 tr\u00ecnh l\u1ecdc c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1ea7u \u0111\u1ea1t \u0111\u1ed9 tinh khi\u1ebft c\u1ea7n thi\u1ebft cho ph\u1ea3n \u1ee9ng chuy\u1ec3n h\u00f3a th\u00e0nh biodiesel.  \u0110\u1ec3 lo\u1ea1i b\u1ecf n\u01b0\u1edbc, c\u00f3 th\u1ec3 \u0111un d\u1ea7u \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 110\u00b0C trong v\u00e0i gi\u1edd.<\/p>\n<h3>Chu\u1ea9n b\u1ecb c\u00e1c h\u00f3a ch\u1ea5t c\u1ea7n thi\u1ebft<\/h3>\n<p>B\u00ean c\u1ea1nh d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng, c\u1ea7n chu\u1ea9n b\u1ecb methanol (CH3OH) v\u00e0 ch\u1ea5t x\u00fac t\u00e1c, th\u01b0\u1eddng l\u00e0 natri hydroxit (NaOH) ho\u1eb7c kali hydroxit (KOH).  L\u01b0u \u00fd methanol l\u00e0 ch\u1ea5t \u0111\u1ed9c h\u1ea1i, c\u1ea7n s\u1eed d\u1ee5ng g\u0103ng tay, kh\u1ea9u trang v\u00e0 k\u00ednh b\u1ea3o h\u1ed9 khi ti\u1ebfp x\u00fac.  T\u1ef7 l\u1ec7 gi\u1eefa d\u1ea7u \u0103n, methanol v\u00e0 ch\u1ea5t x\u00fac t\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00e0nh ph\u1ea7n<\/th>\n<th>T\u1ef7 l\u1ec7 tham kh\u1ea3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng<\/td>\n<td>1 l\u00edt<\/td>\n<\/tr>\n<tr>\n<td>Methanol<\/td>\n<td>0.2 l\u00edt<\/td>\n<\/tr>\n<tr>\n<td>NaOH\/KOH<\/td>\n<td>3.5g\/l\u00edt d\u1ea7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Ti\u1ebfn h\u00e0nh ph\u1ea3n \u1ee9ng chuy\u1ec3n este<\/h3>\n<p>Cho methanol v\u00e0 ch\u1ea5t x\u00fac t\u00e1c v\u00e0o m\u1ed9t b\u00ecnh ch\u1ee9a ri\u00eang bi\u1ec7t v\u00e0 khu\u1ea5y \u0111\u1ec1u cho \u0111\u1ebfn khi ch\u1ea5t x\u00fac t\u00e1c tan ho\u00e0n to\u00e0n. Sau \u0111\u00f3, \u0111\u1ed5 h\u1ed7n h\u1ee3p n\u00e0y v\u00e0o d\u1ea7u \u0103n \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u0111\u1ebfn kho\u1ea3ng 55-60\u00b0C.  Khu\u1ea5y \u0111\u1ec1u h\u1ed7n h\u1ee3p trong kho\u1ea3ng 1-2 gi\u1edd.  C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y khu\u1ea5y t\u1eeb ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 kh\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c khu\u1ea5y \u0111\u1ec1u li\u00ean t\u1ee5c. N\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n v\u00e0 c\u1ea7n t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng, c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 si\u00eau \u00e2m. <\/p>\n<h3>T\u00e1ch glycerin v\u00e0 biodiesel<\/h3>\n<p>Sau khi ph\u1ea3n \u1ee9ng ho\u00e0n t\u1ea5t, h\u1ed7n h\u1ee3p s\u1ebd t\u00e1ch th\u00e0nh hai l\u1edbp: l\u1edbp tr\u00ean l\u00e0 biodiesel v\u00e0 l\u1edbp d\u01b0\u1edbi l\u00e0 glycerin.  \u0110\u1ec3 t\u00e1ch hai l\u1edbp n\u00e0y, \u0111\u1ec3 h\u1ed7n h\u1ee3p l\u1eafng trong kho\u1ea3ng 8-10 gi\u1edd. Sau \u0111\u00f3, c\u1ea9n th\u1eadn g\u1ea1n l\u1ea5y l\u1edbp biodiesel \u1edf ph\u00eda tr\u00ean.<\/p>\n<h3>R\u1eeda v\u00e0 l\u00e0m kh\u00f4 biodiesel<\/h3>\n<p>Biodiesel thu \u0111\u01b0\u1ee3c c\u1ea7n \u0111\u01b0\u1ee3c r\u1eeda b\u1eb1ng n\u01b0\u1edbc \u1ea5m nhi\u1ec1u l\u1ea7n \u0111\u1ec3 lo\u1ea1i b\u1ecf x\u00e0 ph\u00f2ng v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t c\u00f2n s\u00f3t l\u1ea1i.  Sau m\u1ed7i l\u1ea7n r\u1eeda, \u0111\u1ec3 biodiesel l\u1eafng v\u00e0 g\u1ea1n b\u1ecf l\u1edbp n\u01b0\u1edbc b\u00ean d\u01b0\u1edbi.  Cu\u1ed1i c\u00f9ng, l\u00e0m kh\u00f4 biodiesel b\u1eb1ng c\u00e1ch \u0111un n\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 110\u00b0C \u0111\u1ec3 lo\u1ea1i b\u1ecf n\u01b0\u1edbc c\u00f2n s\u00f3t l\u1ea1i.<\/p>\n<h3>Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng biodiesel<\/h3>\n<p>Sau khi ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh, n\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng biodiesel tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.  M\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau c\u1ea7n ki\u1ec3m tra bao g\u1ed3m \u0111\u1ed9 nh\u1edbt, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc, v\u00e0 \u0111i\u1ec3m ch\u1edbp ch\u00e1y.<\/p>\n<p>Vi\u1ec7c t\u1ef1 s\u1ea3n xu\u1ea5t biodiesel t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u00e1i ch\u1ebf ch\u1ea5t th\u1ea3i v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. Tuy nhi\u00ean, c\u1ea7n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy tr\u00ecnh an to\u00e0n v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang t\u1ef7 l\u1ec7 h\u00f3a ch\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng biodiesel v\u00e0 an to\u00e0n cho b\u1ea3n th\u00e2n v\u00e0 m\u00f4i tr\u01b0\u1eddng.  Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 ki\u00ean nh\u1eabn, nh\u01b0ng k\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ebd r\u1ea5t \u0111\u00e1ng gi\u00e1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u1ea3n xu\u1ea5t biodiesel t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m. Qu\u00e1 tr\u00ecnh n\u00e0y, tuy c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1ea1i nh\u00e0 v\u1edbi quy m\u00f4 nh\u1ecf, \u0111\u00f2i h\u1ecfi s\u1ef1 c\u1ea9n th\u1eadn v\u00e0 hi\u1ec3u bi\u1ebft v\u1ec1<\/p>\n","protected":false},"author":1,"featured_media":26460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-45252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/45252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=45252"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/45252\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26460"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=45252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=45252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=45252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}