{"id":49748,"date":"2023-04-21T15:43:00","date_gmt":"2023-04-21T20:43:00","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-convert-cooking-oil-to-biodiesel\/"},"modified":"2025-01-21T07:15:06","modified_gmt":"2025-01-21T12:15:06","slug":"how-to-convert-cooking-oil-to-biodiesel","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-convert-cooking-oil-to-biodiesel\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i d\u1ea7u \u0103n th\u00e0nh biodiesel: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc (biodiesel) kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m chi ph\u00ed nhi\u00ean li\u1ec7u. Qu\u00e1 tr\u00ecnh n\u00e0y, tuy kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng biodiesel \u0111\u1ea1t chu\u1ea9n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch chuy\u1ec3n \u0111\u1ed5i d\u1ea7u \u0103n th\u00e0nh biodiesel t\u1ea1i nh\u00e0.<\/p>\n

Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5<\/h3>\n

\u0110\u1ec3 b\u1eaft \u0111\u1ea7u, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng (l\u01b0u \u00fd l\u1ecdc b\u1ecf c\u1eb7n b\u00e3), methanol (CH3OH), ch\u1ea5t x\u00fac t\u00e1c (th\u01b0\u1eddng l\u00e0 NaOH ho\u1eb7c KOH), c\u00e2n \u0111i\u1ec7n t\u1eed, b\u00ecnh \u0111ong, m\u00e1y khu\u1ea5y, thi\u1ebft b\u1ecb gia nhi\u1ec7t, v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n nh\u01b0 g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9, kh\u1ea9u trang.<\/p>\n

Ti\u1ec1n x\u1eed l\u00fd d\u1ea7u \u0103n<\/h3>\n

D\u1ea7u \u0103n c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 lo\u1ea1i b\u1ecf n\u01b0\u1edbc. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u0111un n\u00f3ng d\u1ea7u \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 120\u00b0C trong v\u00e0i gi\u1edd \u0111\u1ec3 n\u01b0\u1edbc bay h\u01a1i. Sau \u0111\u00f3, l\u1ecdc d\u1ea7u qua v\u1ea3i l\u1ecdc ho\u1eb7c gi\u1ea5y l\u1ecdc \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n b\u00e3.<\/p>\n

Pha ch\u1ebf dung d\u1ecbch methanol<\/h3>\n

C\u00e2n ch\u00ednh x\u00e1c l\u01b0\u1ee3ng methanol c\u1ea7n thi\u1ebft theo t\u1ec9 l\u1ec7 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean l\u01b0\u1ee3ng d\u1ea7u \u0103n. Sau \u0111\u00f3, h\u00f2a tan ch\u1ea5t x\u00fac t\u00e1c (NaOH ho\u1eb7c KOH) v\u00e0o methanol. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ecfa nhi\u1ec7t, v\u00ec v\u1eady c\u1ea7n th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn v\u00e0 t\u1eeb t\u1eeb.<\/p>\n

Ph\u1ea3n \u1ee9ng chuy\u1ec3n este h\u00f3a<\/h3>\n

\u0110un n\u00f3ng d\u1ea7u \u0103n \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 y\u00eau c\u1ea7u (th\u01b0\u1eddng kho\u1ea3ng 55-60\u00b0C). T\u1eeb t\u1eeb \u0111\u1ed5 dung d\u1ecbch methanol v\u00e0o d\u1ea7u \u0103n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111un n\u00f3ng, \u0111\u1ed3ng th\u1eddi khu\u1ea5y \u0111\u1ec1u li\u00ean t\u1ee5c trong kho\u1ea3ng 1-2 gi\u1edd. Qu\u00e1 tr\u00ecnh khu\u1ea5y \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u1ea3n \u1ee9ng di\u1ec5n ra ho\u00e0n to\u00e0n. \u0110\u1ed1i v\u1edbi quy m\u00f4 c\u00f4ng nghi\u1ec7p, vi\u1ec7c s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 nh\u01b0 m\u00e1y khu\u1ea5y t\u1eeb ho\u1eb7c trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00f4ng ngh\u1ec7 si\u00eau \u00e2m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng.<\/p>\n

T\u00e1ch glycerin<\/h3>\n

Sau khi ph\u1ea3n \u1ee9ng ho\u00e0n t\u1ea5t, h\u1ed7n h\u1ee3p s\u1ebd t\u00e1ch th\u00e0nh hai l\u1edbp: l\u1edbp biodiesel \u1edf tr\u00ean v\u00e0 l\u1edbp glycerin \u1edf d\u01b0\u1edbi. \u0110\u1ec3 t\u00e1ch hai l\u1edbp n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 h\u1ed7n h\u1ee3p l\u1eafng trong v\u00e0i gi\u1edd ho\u1eb7c s\u1eed d\u1ee5ng ph\u1ec5u chi\u1ebft.<\/p>\n

R\u1eeda biodiesel<\/h3>\n

Biodiesel thu \u0111\u01b0\u1ee3c sau khi t\u00e1ch glycerin c\u1ea7n \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc \u1ea5m v\u00e0i l\u1ea7n \u0111\u1ec3 lo\u1ea1i b\u1ecf x\u00e0 ph\u00f2ng, glycerin c\u00f2n s\u00f3t l\u1ea1i v\u00e0 methanol d\u01b0 th\u1eeba. Qu\u00e1 tr\u00ecnh r\u1eeda \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho \u0111\u1ebfn khi n\u01b0\u1edbc r\u1eeda kh\u00f4ng c\u00f2n t\u00ednh ki\u1ec1m.<\/p>\n

L\u00e0m kh\u00f4 biodiesel<\/h3>\n

Sau khi r\u1eeda, biodiesel v\u1eabn c\u00f2n ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc nh\u1ecf. C\u1ea7n l\u00e0m kh\u00f4 biodiesel b\u1eb1ng c\u00e1ch \u0111un n\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 120\u00b0C ho\u1eb7c s\u1eed d\u1ee5ng ch\u1ea5t h\u00fat \u1ea9m.<\/p>\n

Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng biodiesel<\/h3>\n

Biodiesel sau khi \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. M\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau quan tr\u1ecdng c\u1ea7n ki\u1ec3m tra bao g\u1ed3m \u0111\u1ed9 nh\u1edbt, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc, \u0111i\u1ec3m ch\u1edbp ch\u00e1y…<\/p>\n\n\n\n\n\n\n\n
Ch\u1ec9 ti\u00eau<\/th>\nTi\u00eau chu\u1ea9n<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 nh\u1edbt (cSt)<\/td>\n1.9 – 6.0<\/td>\n<\/tr>\n
H\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc (ppm)<\/td>\n< 500<\/td>\n<\/tr>\n
\u0110i\u1ec3m ch\u1edbp ch\u00e1y (\u00b0C)<\/td>\n> 130<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u \u0103n th\u00e0nh biodiesel 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 c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng biodiesel 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 chuy\u1ec3n \u0111\u1ed5i d\u1ea7u \u0103n th\u00e0nh biodiesel.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u \u0103n \u0111\u00e3 qua s\u1eed d\u1ee5ng th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc (biodiesel) kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m chi ph\u00ed nhi\u00ean li\u1ec7u. Qu\u00e1 tr\u00ecnh n\u00e0y, tuy kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o<\/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-49748","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\/49748","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=49748"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/49748\/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=49748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=49748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=49748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}