{"id":48540,"date":"2023-04-21T23:16:06","date_gmt":"2023-04-22T04:16:06","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-biodiesel-without-methanol\/"},"modified":"2025-01-21T07:18:19","modified_gmt":"2025-01-21T12:18:19","slug":"how-to-make-biodiesel-without-methanol","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-biodiesel-without-methanol\/","title":{"rendered":"S\u1ea3n xu\u1ea5t biodiesel kh\u00f4ng c\u1ea7n methanol"},"content":{"rendered":"

S\u1ea3n xu\u1ea5t biodiesel \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m nh\u01b0 m\u1ed9t ngu\u1ed3n nhi\u00ean li\u1ec7u t\u00e1i t\u1ea1o thay th\u1ebf cho d\u1ea7u diesel truy\u1ec1n th\u1ed1ng. Th\u00f4ng th\u01b0\u1eddng, qu\u00e1 tr\u00ecnh n\u00e0y s\u1eed d\u1ee5ng methanol l\u00e0m ch\u1ea5t x\u00fac t\u00e1c. Tuy nhi\u00ean, methanol c\u00f3 \u0111\u1ed9c t\u00ednh cao v\u00e0 ngu\u1ed3n g\u1ed1c t\u1eeb nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch. V\u00ec v\u1eady, vi\u1ec7c t\u00ecm ki\u1ebfm c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t biodiesel kh\u00f4ng s\u1eed d\u1ee5ng methanol \u0111ang thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a nhi\u1ec1u nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 doanh nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t biodiesel kh\u00f4ng s\u1eed d\u1ee5ng methanol.<\/p>\n

Ethanol l\u00e0m ch\u1ea5t x\u00fac t\u00e1c<\/h3>\n

Ethanol, m\u1ed9t lo\u1ea1i c\u1ed3n sinh h\u1ecdc, c\u00f3 th\u1ec3 thay th\u1ebf methanol trong ph\u1ea3n \u1ee9ng transester h\u00f3a. \u01afu \u0111i\u1ec3m c\u1ee7a ethanol l\u00e0 \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n methanol v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb ngu\u1ed3n sinh kh\u1ed1i. Tuy nhi\u00ean, ph\u1ea3n \u1ee9ng v\u1edbi ethanol \u0111\u00f2i h\u1ecfi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao h\u01a1n so v\u1edbi methanol.<\/p>\n

S\u1eed d\u1ee5ng enzyme l\u00e0m ch\u1ea5t x\u00fac t\u00e1c<\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng enzyme, hay c\u00f2n g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh transester h\u00f3a enzyme, l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Enzyme ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ea5t x\u00fac t\u00e1c sinh h\u1ecdc, gi\u00fap ph\u1ea3n \u1ee9ng di\u1ec5n ra \u1edf \u0111i\u1ec1u ki\u1ec7n \u00f4n h\u00f2a h\u01a1n, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, enzyme c\u00f3 gi\u00e1 th\u00e0nh cao v\u00e0 d\u1ec5 b\u1ecb bi\u1ebfn t\u00ednh \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

Transester h\u00f3a si\u00eau \u00e2m<\/h3>\n

C\u00f4ng ngh\u1ec7 si\u00eau \u00e2m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng transester h\u00f3a m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng methanol. S\u00f3ng si\u00eau \u00e2m t\u1ea1o ra c\u00e1c bong b\u00f3ng cavitation, gi\u00fap t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac gi\u1eefa d\u1ea7u v\u00e0 ch\u1ea5t x\u00fac t\u00e1c (v\u00ed d\u1ee5 ethanol), t\u1eeb \u0111\u00f3 t\u0103ng hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng. N\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u c\u1ee5 th\u1ec3 v\u1ec1 thi\u1ebft b\u1ecb si\u00eau \u00e2m, Beijing Ultrasonic c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u00e1ng c\u00e2n nh\u1eafc.<\/p>\n\n\n\n\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p<\/th>\n\u01afu \u0111i\u1ec3m<\/th>\nNh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n
Ethanol<\/td>\n\u00cdt \u0111\u1ed9c h\u1ea1i, ngu\u1ed3n g\u1ed1c t\u00e1i t\u1ea1o<\/td>\nNhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao<\/td>\n<\/tr>\n
Enzyme<\/td>\nTh\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng, \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng \u00f4n h\u00f2a<\/td>\nGi\u00e1 th\u00e0nh cao, d\u1ec5 b\u1ecb bi\u1ebfn t\u00ednh<\/td>\n<\/tr>\n
Si\u00eau \u00e2m<\/td>\nT\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng, kh\u00f4ng c\u1ea7n methanol<\/td>\n\u0110\u1ea7u t\u01b0 thi\u1ebft b\u1ecb ban \u0111\u1ea7u cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ch\u1ea5t x\u00fac t\u00e1c r\u1eafn<\/h3>\n

M\u1ed9t s\u1ed1 ch\u1ea5t x\u00fac t\u00e1c r\u1eafn, nh\u01b0 oxit kim lo\u1ea1i ho\u1eb7c zeolit, c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t biodiesel. \u01afu \u0111i\u1ec3m c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 ch\u1ea5t x\u00fac t\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng, gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n so v\u1edbi s\u1eed d\u1ee5ng methanol.<\/p>\n

T\u00f3m l\u1ea1i, vi\u1ec7c s\u1ea3n xu\u1ea5t biodiesel kh\u00f4ng s\u1eed d\u1ee5ng methanol l\u00e0 ho\u00e0n to\u00e0n kh\u1ea3 thi v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 chi ph\u00ed, hi\u1ec7u su\u1ea5t, t\u00ednh kh\u1ea3 thi v\u00e0 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. C\u1ea7n c\u00f3 th\u00eam nhi\u1ec1u nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u00e0 \u0111\u01b0a ch\u00fang v\u00e0o \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c ph\u00e1t tri\u1ec3n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch v\u00e0 b\u1ec1n v\u1eefng.<\/p>\n","protected":false},"excerpt":{"rendered":"

S\u1ea3n xu\u1ea5t biodiesel \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m nh\u01b0 m\u1ed9t ngu\u1ed3n nhi\u00ean li\u1ec7u t\u00e1i t\u1ea1o thay th\u1ebf cho d\u1ea7u diesel truy\u1ec1n th\u1ed1ng. Th\u00f4ng th\u01b0\u1eddng, qu\u00e1 tr\u00ecnh n\u00e0y s\u1eed d\u1ee5ng methanol l\u00e0m ch\u1ea5t x\u00fac t\u00e1c. Tuy nhi\u00ean, methanol c\u00f3 \u0111\u1ed9c t\u00ednh cao v\u00e0 ngu\u1ed3n g\u1ed1c t\u1eeb nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch. V\u00ec v\u1eady, vi\u1ec7c t\u00ecm ki\u1ebfm<\/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-48540","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\/48540","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=48540"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/48540\/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=48540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=48540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=48540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}