{"id":1921,"date":"2023-11-01T15:53:46","date_gmt":"2023-11-01T08:53:46","guid":{"rendered":"https:\/\/hadupack.com\/?post_type=product&p=1921"},"modified":"2026-03-24T16:27:44","modified_gmt":"2026-03-24T09:27:44","slug":"hat-nhua-eps","status":"publish","type":"product","link":"https:\/\/hadupack.com\/en\/san-pham\/hat-nhua-eps\/","title":{"rendered":"H\u1ea1t nh\u1ef1a EPS"},"content":{"rendered":"

H\u1ea1t nh\u1ef1a EPS l\u00e0 g\u00ec?<\/strong><\/em><\/span><\/h2>\n

Polystyrene gi\u00e3n n\u1edf (EPS) l\u00e0 v\u1eadt li\u1ec7u b\u1ecdt nhi\u1ec7t d\u1ebbo, \u00f4 k\u00edn, c\u1ee9ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200bc\u00e1c h\u1ea1t polystyrene r\u1eafn, \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p t\u1eeb monome styrene v\u00e0 ch\u1ee9a kh\u00ed gi\u00e3n n\u1edf (pentane) h\u00f2a tan trong h\u1ea1t polystyrene.<\/span><\/p>\n

M\u1ed7i h\u1ea1t polystyrene r\u1eafn ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf kh\u00ed gi\u00e3n n\u1edf khi nhi\u1ec7t (d\u01b0\u1edbi d\u1ea1ng h\u01a1i n\u01b0\u1edbc) \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, do \u0111\u00f3 t\u1ea1o th\u00e0nh c\u00e1c \u00f4 k\u00edn c\u1ee7a EPS. C\u00e1c \u00f4 gi\u00e3n n\u1edf n\u00e0y chi\u1ebfm kho\u1ea3ng 40 l\u1ea7n th\u1ec3 t\u00edch c\u1ee7a h\u1ea1t polystyrene ban \u0111\u1ea7u, do \u0111\u00f3 v\u1edbi qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t th\u1ee9 hai b\u1eb1ng khu\u00f4n, c\u00e1c kh\u1ed1i EPS l\u1edbn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00fac th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh c\u1ee5 th\u1ec3.<\/span><\/p>\n\n\n\n
\"EPS<\/span><\/td>\n\"EPS<\/span><\/td>\n\"Granules<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1. L\u1ecaCH S\u1eec<\/strong><\/em><\/span><\/h3>\n

S\u1ef1 ph\u00e1t tri\u1ec3n th\u01b0\u01a1ng m\u1ea1i c\u1ee7a polystyrene ban \u0111\u1ea7u \u0111\u01b0\u1ee3c IG Farben kh\u1edfi x\u01b0\u1edbng t\u1ea1i \u0110\u1ee9c v\u00e0o n\u0103m 1929 v\u00e0 \u0111\u01b0\u1ee3c c\u00f4ng ty Dow Chemical Co. c\u1ee7a Hoa K\u1ef3 x\u00e2y d\u1ef1ng v\u00e0o kho\u1ea3ng n\u0103m 1935 (1). M\u1eb7c d\u00f9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf c\u1ea3 \u0110\u1ee9c v\u00e0 Hoa K\u1ef3 trong su\u1ed1t Th\u1ebf chi\u1ebfn th\u1ee9 hai, b\u1ecdt polystyrene \u0111\u00e3 \u0111\u01b0\u1ee3c Dow Chemical Co. gi\u1edbi thi\u1ec7u r\u1ed9ng r\u00e3i h\u01a1n v\u00e0o n\u0103m 1954 d\u01b0\u1edbi t\u00ean th\u01b0\u01a1ng hi\u1ec7u ‘Styrofoam’. ‘Styrofoam’ – do nh\u00e0 khoa h\u1ecdc Ray McIntire c\u1ee7a Dow ph\u00e1t minh – l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a n\u1ed7 l\u1ef1c t\u1ea1o ra m\u1ed9t lo\u1ea1i cao su m\u1edbi b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p styrene v\u00e0 isobtylene (2), nh\u01b0ng khi l\u00e0m nh\u01b0 v\u1eady, \u00f4ng \u0111\u00e3 ‘v\u00f4 t\u00ecnh’ t\u1ea1o ra m\u1ed9t lo\u1ea1i b\u1ecdt nh\u1eb9 h\u01a1n 30 l\u1ea7n v\u00e0 linh ho\u1ea1t h\u01a1n nhi\u1ec1u so v\u1edbi polystyrene (3).<\/span><\/p>\n

\u25c6<\/span>T\u00ecm hi\u1ec3u th\u00eam:<\/strong><\/em><\/span><\/p>\n

    \n
  1. https:\/\/hadupack.com\/san-pham\/hat-nhua-pbt\/<\/a><\/span><\/li>\n
  2. https:\/\/hadupack.com\/san-pham\/hat-nhua-pla\/<\/a><\/span><\/li>\n
  3. https:\/\/hadupack.com\/san-pham\/hat-nhua-ps\/<\/a><\/span><\/li>\n<\/ol>\n

    2. T\u00cdNH CH\u1ea4T<\/strong><\/em><\/span><\/h3>\n
      \n
    1. EPS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00fac theo nhi\u1ec1u m\u1eadt \u0111\u1ed9 kh\u00e1c nhau, t\u1eeb th\u1ea5p nh\u1ea5t l\u00e0 12kg\/m3 \u0111\u1ebfn 50kg\/m3, v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t k\u1ebft qu\u1ea3, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1eadt \u0111\u1ed9 s\u1ea3n xu\u1ea5t.<\/span><\/li>\n
    2. C\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m t\u1eeb EPS th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, b\u1ec1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp r\u1ea5t cao. C\u1ea5u tr\u00fac ch\u1ee9a \u0111\u1ea7y kh\u00f4ng kh\u00ed c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i, kh\u00f4ng \u0111\u1ed9c h\u1ea1i v\u00e0 tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc.<\/span><\/li>\n
    3. N\u1ea5m v\u00e0 vi khu\u1ea9n kh\u00f4ng th\u1ec3 ph\u00e1t tri\u1ec3n tr\u00ean EPS do c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a n\u00f3.<\/span><\/li>\n<\/ol>\n

      \"\"<\/span><\/p>\n

      3. \u0110\u00daC EPS<\/span><\/h3>\n

      S\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m t\u1eeb EPS \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo 3 giai \u0111o\u1ea1n…<\/span><\/p>\n

      1. Gi\u00e3n n\u1edf tr\u01b0\u1edbc:<\/span><\/p>\n

        \n
      1. M\u1ed9t l\u01b0\u1ee3ng h\u1ea1t polystyrene gi\u00e3n n\u1edf \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y t\u1ea1o b\u1ecdt<\/span><\/li>\n
      2. H\u01a1i n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u01b0u th\u00f4ng qua c\u00e1c h\u1ea1t n\u00e0y c\u0169ng nh\u01b0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf (th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 5% theo tr\u1ecdng l\u01b0\u1ee3ng) petane l\u00e0 ch\u1ea5t t\u1ea1o b\u1ecdt.<\/span><\/li>\n
      3. Sau \u0111\u00f3, c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c gi\u00e3n n\u1edf kho\u1ea3ng 40 l\u1ea7n.<\/span><\/li>\n
      4. C\u00e1c h\u1ea1t polystyrene gi\u00e3n n\u1edf \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o ph\u1ec5u ch\u1ee9a…<\/span><\/li>\n<\/ol>\n

        2. L\u00e0m ch\u00edn:<\/span><\/p>\n

          \n
        1. V\u1eadt li\u1ec7u ngu\u1ed9i \u0111i v\u00e0 pentan h\u00f3a l\u1ecfng t\u1ea1o ra m\u1ed9t ph\u1ea7n ch\u00e2n kh\u00f4ng b\u00ean trong h\u1ea1t<\/span><\/li>\n
        2. C\u00e1c h\u1ea1t polystyrene gi\u00e3n n\u1edf \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong kho\u1ea3ng t\u1eeb 12-24 gi\u1edd \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh tr\u01b0\u1edfng th\u00e0nh v\u00e0 cho ph\u00e9p kh\u00f4ng kh\u00ed khu\u1ebfch t\u00e1n v\u00e0o c\u00e1c h\u1ea1t<\/span><\/li>\n<\/ol>\n

          3. T\u1ea1o h\u00ecnh cu\u1ed1i c\u00f9ng:<\/span><\/p>\n

            \n
          1. Sau \u0111\u00f3, c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng l\u1ea1i b\u1eb1ng h\u01a1i n\u01b0\u1edbc v\u00e0 khu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ea7y m\u1ed9t l\u01b0\u1ee3ng h\u1ea1t gi\u00e3n n\u1edf \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng tr\u01b0\u1edbc<\/span><\/li>\n
          2. H\u01a1i n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o khu\u00f4n l\u01b0u th\u00f4ng xung quanh c\u00e1c h\u1ea1t polystyrene, l\u00e0m ch\u00fang gi\u00e3n n\u1edf th\u00eam 10%.<\/span><\/li>\n
          3. Qu\u00e1 tr\u00ecnh h\u1ea5p d\u1eebng l\u1ea1i v\u00e0 ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 tr\u00edch xu\u1ea5t n\u01b0\u1edbc ng\u01b0ng t\u1ee5 c\u00f2n l\u1ea1i v\u00e0 nhi\u1ec7t. C\u00e1c k\u00eanh n\u01b0\u1edbc b\u1ed5 sung h\u1ed7 tr\u1ee3 l\u00e0m m\u00e1t khu\u00f4n<\/span><\/li>\n<\/ol>\n

            \"\"<\/span><\/p>\n

            4. \u1ee8NG D\u1ee4NG<\/strong><\/em><\/span><\/h3>\n

            4.1. \u0110\u00d3NG G\u00d3I<\/strong><\/em><\/span><\/h4>\n

            V\u00ec EPS \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb 98% kh\u00f4ng kh\u00ed n\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i nh\u1eb9 nh\u1ea5t hi\u1ec7n nay v\u00e0 do \u0111\u00f3, tr\u1ecdng l\u01b0\u1ee3ng \u0111\u00f3ng g\u00f3i r\u1ea5t \u00edt, ngh\u0129a l\u00e0 chi ph\u00ed v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0\u1ee3ng kh\u00ed th\u1ea3i nhi\u00ean li\u1ec7u \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a. N\u00f3 c\u0169ng c\u1ef1c k\u1ef3 h\u1eefu \u00edch v\u00ec c\u00f3 th\u1ec3 \u0111\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng b\u1eb1ng n\u1ed9i dung c\u1ee5 th\u1ec3 nh\u01b0 logo c\u00f4ng ty v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng d\u00e1n nh\u00e3n tr\u1ef1c ti\u1ebfp l\u00ean bao b\u00ec.<\/span><\/p>\n

            X\u1ed1p polystyrene c\u0169ng r\u1ea5t b\u1ec1n v\u00e0 ma tr\u1eadn t\u1ebf b\u00e0o c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 h\u1ea5p th\u1ee5 s\u1ed1c tuy\u1ec7t v\u1eddi \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh bao b\u00ec l\u00fd t\u01b0\u1edfng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m b\u1ea3o v\u1ec7 m\u1ecdi lo\u1ea1i linh ki\u1ec7n \u0111i\u1ec7n, t\u1eeb \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng \u0111\u1ebfn t\u1ee7 l\u1ea1nh-t\u1ee7 \u0111\u00f4ng.<\/span><\/p>\n

            Polystyrene gi\u00e3n n\u1edf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00f3ng g\u00f3i h\u00e0ng h\u00f3a nh\u1eb1m b\u1ea3o v\u1ec7 ch\u00fang trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n<\/span><\/p>\n

            N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u1ef1c ph\u1ea9m v\u00e0 tr\u00e1nh h\u01b0 h\u1ecfng trong nhi\u1ec1u giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn chuy\u1ec3n th\u1ef1c ph\u1ea9m do \u0111\u1eb7c t\u00ednh kh\u00f4ng th\u1ec3 ph\u00e1t tri\u1ec3n n\u1ea5m v\u00e0 vi khu\u1ea9n. \u0110\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00e1 \u0111\u1ec3 \u0111\u00f3ng g\u00f3i v\u00e0 v\u1eadn chuy\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m c\u00e1, v\u00e0 trong l\u0129nh v\u1ef1c y t\u1ebf \u0111\u1ec3 v\u1eadn chuy\u1ec3n c\u00e1c c\u01a1 quan c\u1ea5y gh\u00e9p quan tr\u1ecdng.<\/span><\/p>\n

            4.2. X\u00c2Y D\u1ef0NG<\/strong><\/em><\/span><\/h4>\n

            Do kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t cao (t\u1eeb c\u1ea5u tr\u00fac \u00f4 k\u00edn nh\u1eb9, \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 m\u1eb7t k\u1ebft c\u1ea5u l\u00e2u d\u00e0i), EPS \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng t\u1eeb tr\u01b0\u1edbc nh\u1eefng n\u0103m 1970.<\/span><\/p>\n

            EPS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong t\u01b0\u1eddng, m\u00e1i v\u00e0 s\u00e0n, n\u01a1i c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho c\u00e1c h\u1ec7 th\u1ed1ng c\u1ee5 th\u1ec3 nh\u01b0 k\u1ebft c\u1ea5u d\u1ea7m v\u00e0 kh\u1ed1i, h\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m d\u01b0\u1edbi s\u00e0n v\u00e0 b\u00ean d\u01b0\u1edbi c\u00e1c t\u1ea5m s\u00e0n b\u00ea t\u00f4ng.<\/span><\/p>\n

            N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng v\u00e0, \u1edf m\u1eadt \u0111\u1ed9 cao h\u01a1n, l\u00e0m n\u1ec1n cho c\u00e1c k\u00e8 \u0111\u01b0\u1eddng b\u1ed9 ho\u1eb7c \u0111\u01b0\u1eddng s\u1eaft n\u01a1i v\u1eadt li\u1ec7u l\u1ea5p \u0111\u1ea7y truy\u1ec1n th\u1ed1ng qu\u00e1 n\u1eb7ng. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 l\u1ee3i th\u1ebf \u1edf c\u00e1c trung t\u00e2m th\u00e0nh ph\u1ed1 l\u00e0 gi\u1ea3m t\u1eafc ngh\u1ebdn v\u00e0 giao th\u00f4ng v\u1edbi vi\u1ec7c v\u1eadn chuy\u1ec3n kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn s\u1ea3n ph\u1ea9m hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi v\u1eadt li\u1ec7u c\u1ee9ng.<\/span><\/p>\n

            C\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean bi\u1ec7t kh\u00e1c nh\u01b0 b\u1ea3o v\u1ec7 n\u1ec1n m\u00f3ng c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n.<\/span><\/p>\n

            \"\"<\/span><\/p>\n

            5. TH\u00d4NG TIN V\u1ec0 M\u00d4I TR\u01af\u1edcNG<\/strong><\/em><\/span><\/h4>\n

            EPS c\u00f3 t\u00e1c \u0111\u1ed9ng carbon th\u1ea5p v\u00ec c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t s\u1ea1ch t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o t\u1ed1i thi\u1ec3u m\u00e0 kh\u00f4ng c\u00f3 ch\u1ea5t th\u1ea3i s\u1ea3n xu\u1ea5t. Hi\u1ec7u su\u1ea5t b\u1ea3o v\u1ec7 c\u1ee7a EPS c\u0169ng gi\u00fap gi\u1ea3m l\u00e3ng ph\u00ed do h\u00e0ng h\u00f3a b\u1ecb v\u1ee1 ho\u1eb7c h\u01b0 h\u1ecfng trong chu\u1ed7i cung \u1ee9ng, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, v\u1eadt li\u1ec7u v\u00e0 chi ph\u00ed v\u1eadn chuy\u1ec3n.<\/span><\/p>\n

            Vi\u1ec7c s\u1eed d\u1ee5ng EPS c\u0169ng gi\u00fap ng\u0103n ng\u1eeba l\u00e3ng ph\u00ed th\u1ef1c ph\u1ea9m v\u00ec b\u1ea3n ch\u1ea5t t\u1ebf b\u00e0o c\u1ee7a n\u00f3, v\u00ec n\u00f3 b\u1ea3o v\u1ec7 th\u1ef1c ph\u1ea9m v\u00e0 tr\u00e1nh h\u01b0 h\u1ecfng trong c\u00e1c giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn chuy\u1ec3n kh\u00e1c nhau t\u1eeb trang tr\u1ea1i \u0111\u1ebfn b\u00e0n \u0103n, \u0111\u1ea3m b\u1ea3o nhi\u1ec1u lo\u1ea1i th\u1ef1c ph\u1ea9m kh\u00e1c nhau \u0111\u1ebfn tay ng\u01b0\u1eddi b\u00e1n l\u1ebb ho\u1eb7c ng\u01b0\u1eddi ti\u00eau d\u00f9ng trong t\u00ecnh tr\u1ea1ng ho\u00e0n h\u1ea3o.<\/span><\/p>\n

            EPS kh\u00f4ng ch\u1ee9a HFC, CFC v\u00e0 HCFC, v\u1edbi Pentane \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u1ea1o b\u1ecdt. Pentane c\u00f3 ti\u1ec1m n\u0103ng l\u00e0m n\u00f3ng to\u00e0n c\u1ea7u (GWP) th\u1ea5p d\u01b0\u1edbi n\u0103m – ngh\u0129a l\u00e0 EU kh\u00f4ng \u0111\u0103ng k\u00fd pentane l\u00e0 ch\u1ea5t g\u00e2y nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi ho\u1eb7c m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n

            V\u00ec EPS c\u1ef1c k\u1ef3 nh\u1eb9 n\u00ean n\u00f3 gi\u00fap gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u – khi v\u1eadn chuy\u1ec3n h\u00e0ng h\u00f3a so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i n\u1eb7ng h\u01a1n kh\u00e1c.<\/span><\/p>\n

            Styrene, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t EPS, c\u00f3 trong t\u1ef1 nhi\u00ean trong nhi\u1ec1u s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng bao g\u1ed3m d\u00e2u t\u00e2y, \u0111\u1eadu, h\u1ea1t, bia, r\u01b0\u1ee3u vang, h\u1ea1t c\u00e0 ph\u00ea v\u00e0 qu\u1ebf.<\/span><\/p>\n

            S\u1ea3n xu\u1ea5t EPS l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u00edt g\u00e2y \u00f4 nhi\u1ec5m. V\u00ec h\u01a1i n\u01b0\u1edbc l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh v\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n. Kh\u00f4ng c\u00f3 ch\u1ea5t th\u1ea3i trong qu\u00e1 tr\u00ecnh n\u00e0y v\u00ec t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n c\u1eaft b\u1ecf ho\u1eb7c lo\u1ea1i b\u1ecf \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng.<\/span><\/p>\n

            Ch\u1ec9 c\u00f3 0,1% t\u1ed5ng l\u01b0\u1ee3ng d\u1ea7u ti\u00eau th\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t EPS.<\/span><\/p>\n

            L\u01b0\u1ee3ng kh\u00ed th\u1ea3i carbon c\u1ee7a EPS th\u1ea5p h\u01a1n nhi\u1ec1u v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i kh\u00e1c \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7n nay.<\/span><\/p>\n

            \"\"<\/span><\/p>\n

            6. H\u1ebeT V\u00d2NG \u0110\u1edcI<\/strong><\/em><\/span><\/h4>\n

            EPS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu h\u1ed3i v\u00e0 t\u00e1i ch\u1ebf th\u00e0nh c\u00f4ng \u1edf b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o c\u00f3 c\u01a1 s\u1edf t\u00e1i ch\u1ebf EPS, ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn t\u1eeb thu h\u1ed3i c\u01a1 h\u1ecdc \u0111\u1ebfn x\u1eed l\u00fd b\u1eb1ng dung m\u00f4i, \u0111\u01b0a polyme tr\u1edf l\u1ea1i th\u00e0nh nguy\u00ean li\u1ec7u th\u00f4. EPS, c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb ch\u1ea5t th\u1ea3i bao b\u00ec, l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh thu h\u1ed3i. Ng\u00e0y nay, n\u00f3 ch\u1ec9 chi\u1ebfm 0,1% ch\u1ea5t th\u1ea3i r\u1eafn \u0111\u00f4 th\u1ecb (MSW), m\u1eb7c d\u00f9 nhi\u1ec1u ng\u01b0\u1eddi tin r\u1eb1ng n\u00f3 l\u1edbn h\u01a1n nhi\u1ec1u do b\u1ea3n ch\u1ea5t c\u1ed3ng k\u1ec1nh c\u1ee7a n\u00f3! Khi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u00e1i ch\u1ebf hi\u1ec7n ch\u01b0a c\u00f3, th\u00ec \u0111\u00e2y l\u00e0 \u1ee9ng c\u1eed vi\u00ean l\u00fd t\u01b0\u1edfng \u0111\u1ec3 n\u1ed9p \u0111\u01a1n xin tham gia c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh n\u0103ng l\u01b0\u1ee3ng t\u1eeb ch\u1ea5t th\u1ea3i.<\/span><\/p>\n

            L\u1ee3i \u00edch ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng EPS cho EfW l\u00e0 n\u00f3 c\u00f3 gi\u00e1 tr\u1ecb nhi\u1ec7t cao (46.000 kj\/kg) kh\u00f4ng kh\u00e1c g\u00ec kh\u00ed \u0111\u1ed1t t\u1ef1 nhi\u00ean \u1edf m\u1ee9c 48.000 kj\/kg. Ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i EPS n\u00e0y c\u0169ng kh\u00f4ng ph\u00e1t th\u1ea3i ch\u1ea5t \u0111\u1ed9c h\u1ea1i v\u00ec n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed1t trong c\u00e1c nh\u00e0 m\u00e1y hi\u1ec7n \u0111\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao. Do \u0111\u00f3, c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 ch\u1ec9 l\u00e0 h\u01a1i n\u01b0\u1edbc, carbon dioxide v\u00e0 h\u00e0m l\u01b0\u1ee3ng tro kh\u00f4ng \u0111\u1ed9c h\u1ea1i r\u1ea5t th\u1ea5p, \u00edt g\u00e2y \u00f4 nhi\u1ec5m h\u01a1n so v\u1edbi l\u1eeda tr\u1ea1i th\u00f4ng th\u01b0\u1eddng v\u00e0 tr\u00ean th\u1ef1c t\u1ebf kh\u00f4ng c\u00f3 b\u1eb1ng ch\u1ee9ng \u0111\u00e1ng tin c\u1eady n\u00e0o cho th\u1ea5y c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh EfW c\u00f3 b\u1ea5t k\u1ef3 t\u00e1c \u0111\u1ed9ng n\u00e0o \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng.<\/span><\/p>\n

            Ph\u00e1t th\u1ea3i EfW \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd v\u00e0 ‘Chi\u1ebfn l\u01b0\u1ee3c ch\u1ea5t th\u1ea3i cho n\u01b0\u1edbc Anh n\u0103m 2007’ c\u1ee7a Ch\u00ednh ph\u1ee7 V\u01b0\u01a1ng qu\u1ed1c Anh kh\u00f4ng th\u1ea5y ‘b\u1eb1ng ch\u1ee9ng \u0111\u00e1ng tin c\u1eady n\u00e0o v\u1ec1 k\u1ebft qu\u1ea3 s\u1ee9c kh\u1ecfe b\u1ea5t l\u1ee3i’ t\u1eeb ph\u00e1t th\u1ea3i EfW.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

            H\u1ea1t nh\u1ef1a EPS l\u00e0 g\u00ec? Polystyrene gi\u00e3n n\u1edf (EPS) l\u00e0 v\u1eadt li\u1ec7u b\u1ecdt nhi\u1ec7t d\u1ebbo, \u00f4 k\u00edn, c\u1ee9ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200bc\u00e1c h\u1ea1t polystyrene r\u1eafn, \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p t\u1eeb monome styrene v\u00e0 ch\u1ee9a kh\u00ed gi\u00e3n n\u1edf (pentane) h\u00f2a tan trong h\u1ea1t polystyrene. M\u1ed7i h\u1ea1t polystyrene r\u1eafn ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf kh\u00ed gi\u00e3n n\u1edf khi … <\/p>\n

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