{"id":46956,"date":"2023-04-22T00:48:27","date_gmt":"2023-04-22T05:48:27","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-turn-vegetable-oil-into-biodiesel\/"},"modified":"2025-01-21T07:22:07","modified_gmt":"2025-01-21T12:22:07","slug":"how-to-turn-vegetable-oil-into-biodiesel","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-turn-vegetable-oil-into-biodiesel\/","title":{"rendered":"Bi\u1ebfn d\u1ea7u \u0103n th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc"},"content":{"rendered":"<p>Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc, hay c\u00f2n g\u1ecdi l\u00e0 biodiesel, \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch truy\u1ec1n th\u1ed1ng. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f2n t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c ngu\u1ed3n nguy\u00ean li\u1ec7u t\u00e1i t\u1ea1o. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel t\u1ea1i nh\u00e0, tuy nhi\u00ean c\u1ea7n l\u01b0u \u00fd \u0111\u00e2y l\u00e0 quy tr\u00ecnh h\u00f3a h\u1ecdc c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n.<\/p>\n<h3>Nguy\u00ean li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft<\/h3>\n<p>\u0110\u1ec3 s\u1ea3n xu\u1ea5t biodiesel, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb c\u00e1c nguy\u00ean li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb sau:<\/p>\n<ul>\n<li>D\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng (d\u1ea7u \u0103n \u0111\u00e3 qua chi\u00ean r\u00e1n) ho\u1eb7c d\u1ea7u th\u1ef1c v\u1eadt m\u1edbi.<\/li>\n<li>Methanol (CH3OH).<\/li>\n<li>Ch\u1ea5t x\u00fac t\u00e1c, th\u01b0\u1eddng l\u00e0 Kali hydroxit (KOH) ho\u1eb7c Natri hydroxit (NaOH).<\/li>\n<li>C\u00e2n \u0111i\u1ec7n t\u1eed.<\/li>\n<li>B\u00ecnh ch\u1ee9a ch\u1ecbu \u0111\u01b0\u1ee3c h\u00f3a ch\u1ea5t.<\/li>\n<li>M\u00e1y khu\u1ea5y.<\/li>\n<li>Nhi\u1ec7t k\u1ebf.<\/li>\n<li>Thi\u1ebft b\u1ecb \u0111o pH.<\/li>\n<li>Ph\u1ec5u chi\u1ebft.<\/li>\n<\/ul>\n<h3>Quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel<\/h3>\n<p>Quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li>\n<p><strong>Ti\u1ec1n x\u1eed l\u00fd d\u1ea7u:<\/strong> D\u1ea7u th\u1ef1c v\u1eadt c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 lo\u1ea1i b\u1ecf n\u01b0\u1edbc c\u0169ng nh\u01b0 c\u00e1c t\u1ea1p ch\u1ea5t. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u0111un n\u00f3ng d\u1ea7u l\u00ean kho\u1ea3ng 120\u00b0C trong v\u00e0i gi\u1edd \u0111\u1ec3 lo\u1ea1i b\u1ecf n\u01b0\u1edbc.<\/p>\n<\/li>\n<li>\n<p><strong>Chu\u1ea9n b\u1ecb dung d\u1ecbch methanol v\u00e0 ch\u1ea5t x\u00fac t\u00e1c:<\/strong>  H\u00f2a tan ch\u1ea5t x\u00fac t\u00e1c (KOH ho\u1eb7c NaOH) v\u00e0o methanol theo t\u1ef7 l\u1ec7 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean lo\u1ea1i d\u1ea7u th\u1ef1c v\u1eadt s\u1eed d\u1ee5ng. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ecfa nhi\u1ec7t n\u00ean c\u1ea7n th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn v\u00e0 t\u1eeb t\u1eeb.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u1ea3n \u1ee9ng chuy\u1ec3n este:<\/strong>  \u0110\u1ed5 d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua x\u1eed l\u00fd v\u00e0o b\u00ecnh ch\u1ee9a, sau \u0111\u00f3 t\u1eeb t\u1eeb th\u00eam dung d\u1ecbch methanol v\u00e0 ch\u1ea5t x\u00fac t\u00e1c v\u00e0o. Khu\u1ea5y \u0111\u1ec1u h\u1ed7n h\u1ee3p \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 55-60\u00b0C trong kho\u1ea3ng 1-2 gi\u1edd.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00e1ch glycerin:<\/strong> Sau ph\u1ea3n \u1ee9ng, 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. D\u00f9ng ph\u1ec5u chi\u1ebft \u0111\u1ec3 t\u00e1ch hai l\u1edbp n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>R\u1eeda biodiesel:<\/strong> Biodiesel thu \u0111\u01b0\u1ee3c c\u1ea7n \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc \u1ea5m nhi\u1ec1u l\u1ea7n \u0111\u1ec3 lo\u1ea1i b\u1ecf x\u00e0 ph\u00f2ng, glycerin c\u00f2n s\u00f3t l\u1ea1i v\u00e0 methanol d\u01b0.<\/p>\n<\/li>\n<li>\n<p><strong>S\u1ea5y kh\u00f4 biodiesel:<\/strong>  Sau khi r\u1eeda, biodiesel c\u1ea7n \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n n\u01b0\u1edbc.<\/p>\n<\/li>\n<\/ol>\n<h3>B\u1ea3ng so s\u00e1nh c\u00e1c ch\u1ea5t x\u00fac t\u00e1c<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Ch\u1ea5t x\u00fac t\u00e1c<\/th>\n<th>\u01afu \u0111i\u1ec3m<\/th>\n<th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>KOH<\/td>\n<td>Gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n NaOH<\/td>\n<td>D\u1ec5 ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc t\u1ea1o th\u00e0nh x\u00e0 ph\u00f2ng<\/td>\n<\/tr>\n<tr>\n<td>NaOH<\/td>\n<td>\u00cdt ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc h\u01a1n KOH<\/td>\n<td>Gi\u00e1 th\u00e0nh cao h\u01a1n KOH<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng biodiesel<\/h3>\n<p>Sau khi ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh, c\u1ea7n ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng biodiesel b\u1eb1ng c\u00e1ch \u0111o c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 \u0111\u1ed9 nh\u1edbt, \u0111i\u1ec3m ch\u1edbp ch\u00e1y, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc&#8230;  Biodiesel \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u1ed9ng c\u01a1 diesel.<\/p>\n<p>Vi\u1ec7c t\u1ef1 s\u1ea3n xu\u1ea5t biodiesel t\u1ea1i nh\u00e0 \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 tu\u00e2n th\u1ee7 nghi\u00eam c\u00e1c quy tr\u00ecnh an to\u00e0n. Qu\u00e1 tr\u00ecnh n\u00e0y li\u00ean quan \u0111\u1ebfn c\u00e1c h\u00f3a ch\u1ea5t nguy hi\u1ec3m, do \u0111\u00f3 c\u1ea7n trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ed3 b\u1ea3o h\u1ed9 nh\u01b0 g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9 v\u00e0 kh\u1ea9u trang.  N\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn v\u1ec1 b\u1ea5t k\u1ef3 b\u01b0\u1edbc n\u00e0o, n\u00ean t\u00ecm ki\u1ebfm s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb c\u00e1c chuy\u00ean gia ho\u1eb7c tham kh\u1ea3o th\u00eam t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn chi ti\u1ebft h\u01a1n.  Biodiesel t\u1ef1 s\u1ea3n xu\u1ea5t, n\u1ebfu th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ngu\u1ed3n nhi\u00ean li\u1ec7u thay th\u1ebf hi\u1ec7u qu\u1ea3 v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc, hay c\u00f2n g\u1ecdi l\u00e0 biodiesel, \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch truy\u1ec1n th\u1ed1ng. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f2n t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c ngu\u1ed3n nguy\u00ean li\u1ec7u t\u00e1i<\/p>\n","protected":false},"author":1,"featured_media":26459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-46956","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\/46956","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=46956"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/46956\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26459"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=46956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=46956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=46956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}