{"id":45220,"date":"2023-04-22T03:01:10","date_gmt":"2023-04-22T08:01:10","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-biodiesel-from-cooking-oil\/"},"modified":"2025-01-21T07:17:59","modified_gmt":"2025-01-21T12:17:59","slug":"how-to-make-biodiesel-from-cooking-oil","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-biodiesel-from-cooking-oil\/","title":{"rendered":"T\u1ef1 ch\u1ebf biodiesel t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng"},"content":{"rendered":"<p>Vi\u1ec7c s\u1ea3n xu\u1ea5t biodiesel t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft quy tr\u00ecnh s\u1ea3n xu\u1ea5t biodiesel t\u1ea1i nh\u00e0 t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng.<\/p>\n<h3>Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5<\/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 d\u1ee5ng c\u1ee5 sau:<\/p>\n<ul>\n<li>D\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng: L\u1ecdc b\u1ecf c\u1eb7n b\u1ea9n v\u00e0 n\u01b0\u1edbc.<\/li>\n<li>Methanol (CH3OH): L\u01b0u \u00fd methanol l\u00e0 ch\u1ea5t \u0111\u1ed9c h\u1ea1i, c\u1ea7n s\u1eed d\u1ee5ng g\u0103ng tay v\u00e0 kh\u1ea9u trang khi thao t\u00e1c.<\/li>\n<li>Ch\u1ea5t x\u00fac t\u00e1c: Kali hydroxit (KOH) ho\u1eb7c Natri hydroxit (NaOH).<\/li>\n<li>C\u00e2n \u0111i\u1ec7n t\u1eed: \u0110\u1ec3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t.<\/li>\n<li>B\u00ecnh th\u1ee7y tinh ch\u1ecbu nhi\u1ec7t: \u0110\u1ec3 \u0111\u1ef1ng h\u1ed7n h\u1ee3p ph\u1ea3n \u1ee9ng.<\/li>\n<li>M\u00e1y khu\u1ea5y: \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c khu\u1ea5y \u0111\u1ec1u.<\/li>\n<li>Nhi\u1ec7t k\u1ebf: \u0110\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng.<\/li>\n<li>Ph\u1ec5u chi\u1ebft: \u0110\u1ec3 t\u00e1ch biodiesel v\u00e0 glycerin.<\/li>\n<li>D\u1ee5ng c\u1ee5 b\u1ea3o h\u1ed9: G\u0103ng tay, kh\u1ea9u trang, k\u00ednh b\u1ea3o h\u1ed9.<\/li>\n<\/ul>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Nguy\u00ean li\u1ec7u<\/th>\n<th>L\u01b0\u1ee3ng s\u1eed d\u1ee5ng (cho 1 l\u00edt d\u1ea7u \u0103n)<\/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>200 ml<\/td>\n<\/tr>\n<tr>\n<td>KOH\/NaOH<\/td>\n<td>3.5g (KOH) ho\u1eb7c 2.5g (NaOH)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t Biodiesel<\/h3>\n<ol>\n<li><strong>Chu\u1ea9n b\u1ecb dung d\u1ecbch Methoxide:<\/strong> H\u00f2a tan KOH\/NaOH v\u00e0o methanol trong b\u00ecnh th\u1ee7y tinh ch\u1ecbu nhi\u1ec7t. Khu\u1ea5y \u0111\u1ec1u cho \u0111\u1ebfn khi tan ho\u00e0n to\u00e0n. L\u01b0u \u00fd ph\u1ea3n \u1ee9ng n\u00e0y t\u1ecfa nhi\u1ec7t.<\/li>\n<li><strong>L\u00e0m n\u00f3ng d\u1ea7u \u0103n:<\/strong> \u0110un n\u00f3ng d\u1ea7u \u0103n \u0111\u1ebfn kho\u1ea3ng 55-60\u00b0C.<\/li>\n<li><strong>Ph\u1ea3n \u1ee9ng chuy\u1ec3n h\u00f3a este:<\/strong> T\u1eeb t\u1eeb \u0111\u1ed5 dung d\u1ecbch methoxide v\u00e0o d\u1ea7u \u0103n \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, v\u1eeba \u0111\u1ed5 v\u1eeba khu\u1ea5y \u0111\u1ec1u. Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng trong kho\u1ea3ng 55-60\u00b0C trong kho\u1ea3ng 1-2 gi\u1edd.<\/li>\n<li><strong>T\u00e1ch glycerin:<\/strong> Sau khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac, \u0111\u1ec3 h\u1ed7n h\u1ee3p l\u1eafng trong kho\u1ea3ng 8-10 gi\u1edd. Biodiesel s\u1ebd n\u1ed5i l\u00ean tr\u00ean, c\u00f2n glycerin s\u1ebd l\u1eafng xu\u1ed1ng d\u01b0\u1edbi. S\u1eed d\u1ee5ng ph\u1ec5u chi\u1ebft \u0111\u1ec3 t\u00e1ch biodiesel ra kh\u1ecfi glycerin.<\/li>\n<li><strong>R\u1eeda biodiesel:<\/strong> R\u1eeda biodiesel 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. Ki\u1ec3m tra \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc r\u1eeda, ti\u1ebfp t\u1ee5c r\u1eeda cho \u0111\u1ebfn khi n\u01b0\u1edbc r\u1eeda c\u00f3 \u0111\u1ed9 pH trung t\u00ednh (kho\u1ea3ng 7).<\/li>\n<li><strong>S\u1ea5y kh\u00f4 biodiesel:<\/strong> \u0110un n\u00f3ng biodiesel \u0111\u1ebfn kho\u1ea3ng 100\u00b0C \u0111\u1ec3 lo\u1ea1i b\u1ecf n\u01b0\u1edbc c\u00f2n s\u00f3t l\u1ea1i.<\/li>\n<\/ol>\n<h3>Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng Biodiesel<\/h3>\n<p>Sau khi ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, c\u1ea7n 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<h3>L\u01b0u \u00fd an to\u00e0n<\/h3>\n<p>Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t biodiesel li\u00ean quan \u0111\u1ebfn c\u00e1c h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i v\u00e0 d\u1ec5 ch\u00e1y. C\u1ea7n th\u1ef1c hi\u1ec7n trong kh\u00f4ng gian tho\u00e1ng kh\u00ed, trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 d\u1ee5ng c\u1ee5 b\u1ea3o h\u1ed9 v\u00e0 tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy \u0111\u1ecbnh an to\u00e0n.<\/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 gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, c\u1ea7n tu\u00e2n th\u1ee7 \u0111\u00fang quy tr\u00ecnh v\u00e0 l\u01b0u \u00fd an to\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 an to\u00e0n cho b\u1ea3n th\u00e2n.  Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch v\u1ec1 c\u00e1ch s\u1ea3n xu\u1ea5t biodiesel t\u1ea1i nh\u00e0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c s\u1ea3n xu\u1ea5t biodiesel t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft quy tr\u00ecnh s\u1ea3n xu\u1ea5t biodiesel t\u1ea1i nh\u00e0 t\u1eeb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng. Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5<\/p>\n","protected":false},"author":1,"featured_media":26458,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-45220","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\/45220","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=45220"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/45220\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26458"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=45220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=45220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=45220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}