{"id":692177,"date":"2024-11-16T18:21:56","date_gmt":"2024-11-16T17:21:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=692177"},"modified":"2024-11-16T18:21:56","modified_gmt":"2024-11-16T17:21:56","slug":"khi-propylene-tinh-nhiet-dac-tinh-nhiet-dong-va-ung-dung-cong-nghiep","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/khi-propylene-tinh-nhiet-dac-tinh-nhiet-dong-va-ung-dung-cong-nghiep\/","title":{"rendered":"Kh\u00ed Propylene | T\u00ednh Nhi\u1ec7t, \u0110\u1eb7c T\u00ednh Nhi\u1ec7t \u0110\u1ed9ng v\u00e0 \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p"},"content":{"rendered":"

Kh\u00ed Propylene | T\u00ednh Nhi\u1ec7t, \u0110\u1eb7c T\u00ednh Nhi\u1ec7t \u0110\u1ed9ng v\u00e0 \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p: Cung c\u1ea5p ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a kh\u00ed Propylene trong c\u00f4ng nghi\u1ec7p.<\/p>\n

\"Kh\u00ed<\/p>\n

Kh\u00ed Propylene | T\u00ednh Nhi\u1ec7t, \u0110\u1eb7c T\u00ednh Nhi\u1ec7t \u0110\u1ed9ng v\u00e0 \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p<\/h2>\n

Propylene (C3<\/sub>H6<\/sub>) l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 thu\u1ed9c nh\u00f3m hydrocarbon. \u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ea5t kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, d\u1ec5 ch\u00e1y v\u00e0 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh nhi\u1ec7t, \u0111\u1eb7c t\u00ednh nhi\u1ec7t \u0111\u1ed9ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a kh\u00ed propylene.<\/p>\n

T\u00ednh Nhi\u1ec7t c\u1ee7a Kh\u00ed Propylene<\/h2>\n

M\u1ed9t s\u1ed1 t\u00ednh nhi\u1ec7t quan tr\u1ecdng c\u1ee7a kh\u00ed propylene bao g\u1ed3m:<\/p>\n

<\/p>\n

  • Nhi\u1ec7t dung ri\u00eang: kho\u1ea3ng 2.0 J\/g\u00b7K \u1edf 25\u00b0C.<\/li>\n
  • \u0110i\u1ec3m s\u00f4i: -47.6\u00b0C (226.5 K).<\/li>\n
  • \u0110i\u1ec3m \u0111\u00f4ng \u0111\u1eb7c: -185.2\u00b0C (88 K).<\/li>\n
  • Nhi\u1ec7t \u0111\u1ed9 t\u1ef1 b\u1ed1c ch\u00e1y: kho\u1ea3ng 455\u00b0C.<\/li>\n

    <\/u1><\/p>\n

    Propylene c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u1edf d\u1ea1ng nhi\u1ec7t kh\u00e1 cao, \u0111i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t nguy\u00ean li\u1ec7u quan tr\u1ecdng trong c\u00e1c qu\u00e1 tr\u00ecnh nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc.<\/p>\n

    \u0110\u1eb7c T\u00ednh Nhi\u1ec7t \u0110\u1ed9ng c\u1ee7a Kh\u00ed Propylene<\/h2>\n

    C\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc c\u1ee7a propylene \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 trong c\u00e1c qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p. M\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc c\u1ee7a kh\u00ed propylene g\u1ed3m c\u00f3:<\/p>\n

    <\/p>\n

  • \u00c1p su\u1ea5t h\u01a1i: kho\u1ea3ng 1450 kPa \u1edf 25\u00b0C.<\/li>\n
  • Nhi\u1ec7t l\u01b0\u1ee3ng bay h\u01a1i: kho\u1ea3ng 16.45 kJ\/mol.<\/li>\n
  • H\u1eb1ng s\u1ed1 kh\u00ed l\u00fd t\u01b0\u1edfng (R): 188.9 J\/kg\u00b7K.<\/li>\n
  • Gia t\u1ed1c tr\u1ecdng l\u1ef1c: 9.81 m\/s2<\/sup>.<\/li>\n

    <\/u1><\/p>\n

    C\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a l\u00fd nh\u01b0 ph\u01b0\u01a1ng tr\u00ecnh tr\u1ea1ng th\u00e1i l\u00fd t\u01b0\u1edfng (PV = nRT) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n c\u00e1c th\u00f4ng s\u1ed1 ch\u1ebf bi\u1ebfn kh\u00ed propylene trong c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc.<\/p>\n

    \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p c\u1ee7a Kh\u00ed Propylene<\/h2>\n

    Kh\u00ed propylene c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t trong l\u0129nh v\u1ef1c h\u00f3a ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng quan tr\u1ecdng:<\/p>\n

    <\/p>\n

  • Polypropylene: Propylene l\u00e0 nguy\u00ean li\u1ec7u ch\u00ednh trong s\u1ea3n xu\u1ea5t polypropylene, m\u1ed9t lo\u1ea1i nh\u1ef1a polymer \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t bao b\u00ec, s\u1ee3i v\u00e0 linh ki\u1ec7n \u00f4 t\u00f4.<\/li>\n
  • S\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t: Propylene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p nh\u01b0 isopropanol, acrylonitrile v\u00e0 propylene oxide.<\/li>\n
  • Nhi\u00ean li\u1ec7u: Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, propylene c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nhi\u00ean li\u1ec7u trong c\u00f4ng nghi\u1ec7p, nh\u1edd v\u00e0o nhi\u1ec7t n\u0103ng cao v\u00e0 kh\u1ea3 n\u0103ng ch\u00e1y m\u1ea1nh.<\/li>\n
  • \u1ee8ng d\u1ee5ng trong c\u00f4ng ngh\u1ec7 h\u00e0n: Propylene th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u01b0\u01a1ng ph\u00e1p h\u00e0n kh\u00ed oxy-propylene, nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng t\u1ea1o ra ng\u1ecdn l\u1eeda v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n

    <\/u1><\/p>\n

    Propylene l\u00e0 m\u1ed9t lo\u1ea1i kh\u00ed c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng v\u00e0 quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p. Vi\u1ec7c hi\u1ec3u r\u00f5 t\u00ednh nhi\u1ec7t v\u00e0 \u0111\u1eb7c t\u00ednh nhi\u1ec7t \u0111\u1ed9ng c\u1ee7a kh\u00ed propylene gi\u00fap ch\u00fang ta s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n trong c\u00e1c qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ebf bi\u1ebfn.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Kh\u00ed Propylene | T\u00ednh Nhi\u1ec7t, \u0110\u1eb7c T\u00ednh Nhi\u1ec7t \u0110\u1ed9ng v\u00e0 \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p: Cung c\u1ea5p ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a kh\u00ed Propylene trong c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\nKh\u00ed Propylene | T\u00ednh Nhi\u1ec7t, \u0110\u1eb7c T\u00ednh Nhi\u1ec7t \u0110\u1ed9ng v\u00e0 \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p<\/title>\n<meta name=\"description\" content=\"Kh\u00ed Propylene | T\u00ednh Nhi\u1ec7t, \u0110\u1eb7c T\u00ednh Nhi\u1ec7t \u0110\u1ed9ng v\u00e0 \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p: Cung c\u1ea5p ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc v\u00e0 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