{"id":49716,"date":"2023-04-21T15:45:45","date_gmt":"2023-04-21T20:45:45","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-convert-vegetable-oil-to-biodiesel\/"},"modified":"2025-01-21T07:15:13","modified_gmt":"2025-01-21T12:15:13","slug":"how-to-convert-vegetable-oil-to-biodiesel","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-convert-vegetable-oil-to-biodiesel\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc"},"content":{"rendered":"

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 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel, t\u1eeb nguy\u00ean l\u00fd c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n c\u1ee5 th\u1ec3.<\/p>\n

Nguy\u00ean l\u00fd chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel<\/h3>\n

Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u1ea3n \u1ee9ng transesterification. Trong ph\u1ea3n \u1ee9ng n\u00e0y, triglyceride trong d\u1ea7u th\u1ef1c v\u1eadt ph\u1ea3n \u1ee9ng v\u1edbi m\u1ed9t lo\u1ea1i c\u1ed3n (th\u01b0\u1eddng l\u00e0 methanol ho\u1eb7c ethanol) v\u1edbi s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u1ea5t x\u00fac t\u00e1c (th\u01b0\u1eddng l\u00e0 natri hydroxide ho\u1eb7c kali hydroxide) \u0111\u1ec3 t\u1ea1o th\u00e0nh biodiesel v\u00e0 glycerin. Glycerin l\u00e0 s\u1ea3n ph\u1ea9m ph\u1ee5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n

Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u<\/h3>\n

Nguy\u00ean li\u1ec7u ch\u00ednh cho qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i l\u00e0 d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng ho\u1eb7c d\u1ea7u th\u1ef1c v\u1eadt m\u1edbi. D\u1ea7u c\u1ea7n \u0111\u01b0\u1ee3c l\u1ecdc s\u1ea1ch c\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 c\u1eb7n b\u00e3 v\u00e0 n\u01b0\u1edbc. Methanol ho\u1eb7c ethanol c\u0169ng c\u1ea7n \u0111\u1ea1t \u0111\u1ed9 tinh khi\u1ebft cao. Ch\u1ea5t x\u00fac t\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh b\u1ecb h\u00fat \u1ea9m.<\/p>\n

Ti\u1ebfn h\u00e0nh ph\u1ea3n \u1ee9ng transesterification<\/h3>\n

D\u1ea7u th\u1ef1c v\u1eadt \u0111\u01b0\u1ee3c \u0111un n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. Methanol ho\u1eb7c ethanol \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi ch\u1ea5t x\u00fac t\u00e1c v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111un n\u00f3ng. H\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c khu\u1ea5y \u0111\u1ec1u trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. Vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian ph\u1ea3n \u1ee9ng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i cao.<\/p>\n

T\u00e1ch biodiesel v\u00e0 glycerin<\/h3>\n

Sau khi ph\u1ea3n \u1ee9ng ho\u00e0n t\u1ea5t, h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1eafng. Biodiesel v\u00e0 glycerin s\u1ebd t\u00e1ch th\u00e0nh hai l\u1edbp ri\u00eang bi\u1ec7t. L\u1edbp biodiesel \u1edf ph\u00eda tr\u00ean v\u00e0 l\u1edbp glycerin \u1edf ph\u00eda d\u01b0\u1edbi. Glycerin \u0111\u01b0\u1ee3c t\u00e1ch ra v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tinh ch\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c.<\/p>\n

R\u1eeda v\u00e0 s\u1ea5y biodiesel<\/h3>\n

Biodiesel thu \u0111\u01b0\u1ee3c c\u1ea7n \u0111\u01b0\u1ee3c r\u1eeda b\u1eb1ng n\u01b0\u1edbc \u1ea5m \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t c\u00f2n s\u00f3t l\u1ea1i nh\u01b0 x\u00e0 ph\u00f2ng, ch\u1ea5t x\u00fac t\u00e1c v\u00e0 c\u1ed3n d\u01b0. 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

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 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 nhi\u00ean li\u1ec7u sinh h\u1ecdc. C\u00e1c th\u00f4ng s\u1ed1 c\u1ea7n ki\u1ec3m tra bao g\u1ed3m \u0111\u1ed9 nh\u1edbt, \u0111i\u1ec3m ch\u1edbp ch\u00e1y, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c.<\/p>\n\n\n\n\n\n\n\n
Th\u00f4ng s\u1ed1<\/th>\nTi\u00eau chu\u1ea9n<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 nh\u1edbt<\/td>\nTheo ti\u00eau chu\u1ea9n ASTM D445<\/td>\n<\/tr>\n
\u0110i\u1ec3m ch\u1edbp ch\u00e1y<\/td>\nTheo ti\u00eau chu\u1ea9n ASTM D93<\/td>\n<\/tr>\n
H\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc<\/td>\nTheo ti\u00eau chu\u1ea9n ASTM D6304<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng biodiesel<\/h3>\n

Biodiesel l\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch. N\u00f3 c\u0169ng th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n so v\u1edbi nhi\u00ean li\u1ec7u diesel truy\u1ec1n th\u1ed1ng, gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i g\u00e2y hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh v\u00e0 \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed.<\/p>\n

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel l\u00e0 m\u1ed9t quy tr\u00ecnh kh\u00e1 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c v\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng. Tuy nhi\u00ean, v\u1edbi nh\u1eefng h\u01b0\u1edbng d\u1eabn chi ti\u1ebft tr\u00ean, hy v\u1ecdng b\u1ea1n \u0111\u1ecdc c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 quy tr\u00ecnh n\u00e0y v\u00e0 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong th\u1ef1c t\u1ebf \u0111\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c ph\u00e1t tri\u1ec3n n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"

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 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh biodiesel, t\u1eeb nguy\u00ean<\/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-49716","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\/49716","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=49716"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/49716\/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=49716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=49716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=49716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}