{"id":49764,"date":"2023-04-21T15:42:06","date_gmt":"2023-04-21T20:42:06","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-convert-biodiesel\/"},"modified":"2025-01-21T07:15:01","modified_gmt":"2025-01-21T12:15:01","slug":"how-to-convert-biodiesel","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-convert-biodiesel\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i d\u1ea7u biodiesel: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"

Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u m\u1ee1 \u0111\u1ed9ng th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng (ho\u1eb7c d\u1ea7u m\u1ee1 th\u1ea3i) th\u00e0nh biodiesel l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng cho v\u1ea5n \u0111\u1ec1 n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00f4i tr\u01b0\u1eddng hi\u1ec7n nay. Biodiesel, m\u1ed9t lo\u1ea1i nhi\u00ean li\u1ec7u sinh h\u1ecdc t\u00e1i t\u1ea1o, c\u00f3 th\u1ec3 thay th\u1ebf d\u1ea7u diesel truy\u1ec1n th\u1ed1ng, gi\u1ea3m thi\u1ec3u kh\u00ed th\u1ea3i nh\u00e0 k\u00ednh v\u00e0 gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i biodiesel.<\/p>\n

Nguy\u00ean li\u1ec7u v\u00e0 Thi\u1ebft b\u1ecb<\/h3>\n

\u0110\u1ec3 s\u1ea3n xu\u1ea5t biodiesel, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb c\u00e1c nguy\u00ean li\u1ec7u ch\u00ednh sau: d\u1ea7u m\u1ee1 th\u1ea3i (\u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ecdc s\u1ea1ch t\u1ea1p ch\u1ea5t), methanol (CH3OH) v\u00e0 ch\u1ea5t x\u00fac t\u00e1c (th\u01b0\u1eddng l\u00e0 NaOH ho\u1eb7c KOH). V\u1ec1 thi\u1ebft b\u1ecb, c\u1ea7n c\u00f3 b\u00ecnh ph\u1ea3n \u1ee9ng, h\u1ec7 th\u1ed1ng gia nhi\u1ec7t, h\u1ec7 th\u1ed1ng khu\u1ea5y, thi\u1ebft b\u1ecb t\u00e1ch n\u01b0\u1edbc, thi\u1ebft b\u1ecb r\u1eeda biodiesel v\u00e0 thi\u1ebft b\u1ecb s\u1ea5y.<\/p>\n

Quy tr\u00ecnh Chuy\u1ec3n \u0111\u1ed5i<\/h3>\n

Quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i biodiesel bao g\u1ed3m c\u00e1c b\u01b0\u1edbc ch\u00ednh sau:<\/p>\n

    \n
  1. \n

    Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u:<\/strong> D\u1ea7u m\u1ee1 th\u1ea3i c\u1ea7n \u0111\u01b0\u1ee3c l\u1ecdc \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 n\u01b0\u1edbc. Methanol v\u00e0 ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c c\u00e2n \u0111o ch\u00ednh x\u00e1c theo t\u1ef7 l\u1ec7 ph\u1ea3n \u1ee9ng.<\/p>\n<\/li>\n

  2. \n

    Ph\u1ea3n \u1ee9ng transesterification:<\/strong> D\u1ea7u m\u1ee1 th\u1ea3i, methanol v\u00e0 ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn trong b\u00ecnh ph\u1ea3n \u1ee9ng. H\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c khu\u1ea5y \u0111\u1ec1u v\u00e0 gia nhi\u1ec7t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng (kho\u1ea3ng 60-70\u00b0C). Ph\u1ea3n \u1ee9ng transesterification di\u1ec5n ra, t\u1ea1o th\u00e0nh biodiesel v\u00e0 glycerin.<\/p>\n<\/li>\n

  3. \n

    T\u00e1ch glycerin:<\/strong> Sau ph\u1ea3n \u1ee9ng, h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1eafng \u0111\u1ec3 t\u00e1ch glycerin (n\u1eb7ng h\u01a1n) ra kh\u1ecfi biodiesel.<\/p>\n<\/li>\n

  4. \n

    R\u1eeda biodiesel:<\/strong> Biodiesel \u0111\u01b0\u1ee3c r\u1eeda b\u1eb1ng n\u01b0\u1edbc \u1ea5m \u0111\u1ec3 lo\u1ea1i b\u1ecf x\u00e0 ph\u00f2ng, ch\u1ea5t x\u00fac t\u00e1c c\u00f2n s\u00f3t l\u1ea1i v\u00e0 methanol. Qu\u00e1 tr\u00ecnh r\u1eeda \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i cho \u0111\u1ebfn khi biodiesel \u0111\u1ea1t \u0111\u1ed9 pH trung t\u00ednh.<\/p>\n<\/li>\n

  5. \n

    S\u1ea5y biodiesel:<\/strong> Biodiesel \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n n\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u.<\/p>\n<\/li>\n<\/ol>\n

    C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i<\/h3>\n

    Nhi\u1ec1u y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i biodiesel, bao g\u1ed3m:<\/p>\n\n\n\n\n\n\n\n\n\n\n
    Y\u1ebfu t\u1ed1<\/th>\n\u1ea2nh h\u01b0\u1edfng<\/th>\n<\/tr>\n<\/thead>\n
    T\u1ef7 l\u1ec7 methanol\/d\u1ea7u<\/td>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng biodiesel<\/td>\n<\/tr>\n
    N\u1ed3ng \u0111\u1ed9 ch\u1ea5t x\u00fac t\u00e1c<\/td>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng<\/td>\n<\/tr>\n
    Nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng<\/td>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng<\/td>\n<\/tr>\n
    Th\u1eddi gian ph\u1ea3n \u1ee9ng<\/td>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng<\/td>\n<\/tr>\n
    Ch\u1ea5t l\u01b0\u1ee3ng d\u1ea7u m\u1ee1 th\u1ea3i<\/td>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng biodiesel<\/td>\n<\/tr>\n
    \u0110\u1ed9 \u1ea9m c\u1ee7a d\u1ea7u m\u1ee1 th\u1ea3i<\/td>\nC\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Ph\u01b0\u01a1ng ph\u00e1p n\u00e2ng cao hi\u1ec7u su\u1ea5t<\/h3>\n

    M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i biodiesel, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eed d\u1ee5ng ch\u1ea5t x\u00fac t\u00e1c hi\u1ec7u su\u1ea5t cao, t\u1ed1i \u01b0u h\u00f3a \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3 nh\u01b0 s\u00f3ng si\u00eau \u00e2m. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c \u1ee9ng d\u1ee5ng s\u00f3ng si\u00eau \u00e2m c\u00f3 th\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i.<\/p>\n

    T\u00f3m l\u1ea1i, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i biodiesel t\u1eeb d\u1ea7u m\u1ee1 th\u1ea3i l\u00e0 m\u1ed9t quy tr\u00ecnh kh\u00e1 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc h\u00f3a h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt. Tuy nhi\u00ean, v\u1edbi vi\u1ec7c \u00e1p d\u1ee5ng \u0111\u00fang quy tr\u00ecnh v\u00e0 ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd c\u00e1c th\u00f4ng s\u1ed1, vi\u1ec7c s\u1ea3n xu\u1ea5t biodiesel c\u00f3 th\u1ec3 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch kinh t\u1ebf v\u00e0 m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 \u00e1p d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi, v\u00ed d\u1ee5 nh\u01b0 s\u00f3ng si\u00eau \u00e2m, c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i biodiesel, g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1ea7u m\u1ee1 \u0111\u1ed9ng th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng (ho\u1eb7c d\u1ea7u m\u1ee1 th\u1ea3i) th\u00e0nh biodiesel l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng cho v\u1ea5n \u0111\u1ec1 n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00f4i tr\u01b0\u1eddng hi\u1ec7n nay. Biodiesel, m\u1ed9t lo\u1ea1i nhi\u00ean li\u1ec7u sinh h\u1ecdc t\u00e1i t\u1ea1o, c\u00f3 th\u1ec3 thay th\u1ebf d\u1ea7u diesel truy\u1ec1n th\u1ed1ng, gi\u1ea3m thi\u1ec3u kh\u00ed th\u1ea3i<\/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-49764","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\/49764","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=49764"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/49764\/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=49764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=49764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=49764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}