{"id":981,"date":"2021-06-06T13:35:26","date_gmt":"2021-06-06T06:35:26","guid":{"rendered":"https:\/\/iptc.vn\/sip\/?p=981"},"modified":"2021-06-11T10:01:31","modified_gmt":"2021-06-11T03:01:31","slug":"giay-lam-tu-vo-so-ms-007","status":"publish","type":"post","link":"https:\/\/iptc.vn\/sip\/giay-lam-tu-vo-so-ms-007\/","title":{"rendered":"Gi\u1ea5y l\u00e0m t\u1eeb v\u1ecf s\u00f2 (MS: 007)"},"content":{"rendered":"

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T\u00c1C GI\u1ea2:<\/strong><\/p>\n

Tr\u1ea7n Nguy\u1ec5n H\u1ea1nh Duy\u00ean,\u00a0\u0110o\u00e0n L\u00ea Th\u00fay Hi\u1ec1n, Nguy\u1ec5n L\u00ea Thanh H\u00e0o, Tr\u1ea7n Nh\u1eadt Mai, Nguy\u1ec5n Ho\u00e0n Tri\u1ec7u Vy\u00a0–\u00a0Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc B\u00e1ch Khoa \u0110HQG-HCM<\/p>\n

Ph\u1ea1m Th\u1ecb Trang -Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Khoa H\u1ecdc T\u1ef1 Nhi\u00ean \u0110HQG-HCM<\/p><\/blockquote>\n

V\u1ea4N \u0110\u1ec0 C\u1ea6N GI\u1ea2I QUY\u1ebeT<\/strong><\/p>\n

T\u1eeb nhi\u1ec1u th\u1ebf k\u1ef7 nay, gi\u1ea5y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb cellulose, m\u00e0 nguy\u00ean li\u1ec7u quan tr\u1ecdng nh\u1ea5t ch\u00ednh l\u00e0 b\u1ed9t g\u1ed7, b\u00e3 m\u00eda. T\u00ednh trung b\u00ecnh trong c\u00f4ng nghi\u1ec7p gi\u1ea5y, nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u1ec3 s\u1ea3n xu\u1ea5t 1 t\u1ea5n gi\u1ea5y th\u00ec t\u01b0\u01a1ng \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng d\u0103m g\u1ed7 tr\u1eafng khai th\u00e1c t\u1eeb 18 c\u00e2y xanh tr\u01b0\u1edfng th\u00e0nh c\u00f3 \u0111\u01b0\u1eddng k\u00ednh th\u00e2n t\u1eeb 15-20 cm (ph\u1ed5 bi\u1ebfn l\u00e0 tr\u00e0m, tr\u00e0m b\u00f4ng v\u00e0ng, b\u1ea1ch \u0111\u00e0n, b\u1ea1ch d\u01b0\u01a1ng, v\u00e2n v\u00e2n). Ph\u1ea7n c\u00e0nh, nh\u00e1nh nh\u1ecf, l\u00e1, v\u00e0 v\u1ecf c\u00e2y chi\u1ebfm kho\u1ea3ng 40% kh\u1ed1i l\u01b0\u1ee3ng c\u00e2y g\u1ed7 l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. B\u00ean c\u1ea1nh \u0111\u00f3, quy tr\u00ecnh l\u00e0m b\u1ed9t gi\u1ea5y \u0111\u00f2i h\u1ecfi s\u1eed d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng r\u1ea5t l\u1edbn ho\u00e1 ch\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd nguy\u00ean li\u1ec7u lignocellulose n\u00e0y th\u00e0nh b\u1ed9t c\u00f3 h\u00e0m l\u01b0\u1ee3ng x\u01a1 s\u1ee3i gi\u00e0u cellulose.<\/p>\n

Nh\u00e0 m\u00e1y gi\u1ea5y g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng n\u1eb7ng n\u1ec1 do c\u00e1c h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i.<\/p>\n

Trong d\u1ef1 \u00e1n n\u00e0y, m\u1ed9t gi\u1ea3i ph\u00e1p l\u00e0m gi\u1ea5y kh\u00e1c \u0111\u01b0\u1ee3c \u0111\u01b0a ra v\u1edbi c\u00e1c ti\u00eau ch\u00ed: kh\u00f4ng ho\u1eb7c h\u1ea1n ch\u1ebf t\u1ed1i \u0111a ho\u00e1 ch\u1ea5t s\u1eed d\u1ee5ng v\u1edbi th\u00e0nh ph\u1ea7n nguy\u00ean li\u1ec7u t\u00e1i t\u1ea1o thay th\u1ebf cellulose. S\u1ea3n ph\u1ea9m gi\u1ea5y bao g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 b\u1ed9t CaCO3 t\u1eeb v\u1ecf s\u00f2, v\u1ecf h\u00e0u, k\u1ebft d\u00ednh th\u00e0nh c\u00e1c t\u1ea5m gi\u1ea5y m\u1ecfng tr\u00ean n\u1ec1n nh\u1ef1a sinh h\u1ecdc ngu\u1ed3n g\u1ed1c tinh b\u1ed9t. Nh\u1eefng nguy\u00ean li\u1ec7u n\u00e0y \u0111\u1ec1u th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, l\u00e0 ph\u1ebf ph\u1ee5 ph\u1ea9m n\u00f4ng nghi\u1ec7p ho\u1eb7c d\u1ec5 s\u1ea3n xu\u1ea5t v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, d\u1ec5 d\u00e0ng ph\u00e2n hu\u1ef7 sinh h\u1ecdc, c\u00f3 th\u1ec3 d\u00f9ng b\u00f3n \u0111\u1ea5t, ho\u1eb7c chuy\u1ec3n ho\u00e1 sau s\u1eed d\u1ee5ng th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu \u00edch nh\u01b0 ethanol, acid h\u1eefu c\u01a1 \u0111\u1ec3 t\u1eeb \u0111\u00f3 ti\u1ebfp t\u1ee5c chu\u1ed7i gi\u00e1 tr\u1ecb s\u1ea3n ph\u1ea9m.<\/p>\n

T\u1ea1i Vi\u1ec7t Nam, gi\u1ea5y bao b\u00ec hi\u1ec7n l\u00e0 s\u1ea3n ph\u1ea9m gi\u1ea5y ch\u00ednh chi\u1ebfm g\u1ea7n 80% t\u1ed5ng ti\u00eau th\u1ee5 to\u00e0n ng\u00e0nh. Tuy nhi\u00ean, trong n\u0103m 2019, Vi\u1ec7t Nam v\u1eabn ph\u1ea3i nh\u1eadp kh\u1ea9u kho\u1ea3ng 1,225 tri\u1ec7u t\u1ea5n, v\u00ec s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc ch\u1ec9 \u0111\u00e1p \u1ee9ng kho\u1ea3ng 5%. \u0110\u00e2y l\u00e0 h\u1ea1n ch\u1ebf nh\u01b0ng \u0111\u1ed3ng th\u1eddi c\u0169ng m\u1edf ra c\u01a1 h\u1ed9i \u0111\u1ec3 c\u00e1c doanh nghi\u1ec7p gi\u1ea5y c\u00f3 ti\u1ec1m l\u1ef1c \u0111\u1ea7u t\u01b0 c\u00f4ng ngh\u1ec7, t\u1ea1o ra s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng b\u1eaft k\u1ecbp nhu c\u1ea7u trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc. N\u0103m 2020 theo VPPA, trong 5-10 n\u0103m t\u1edbi, nhu c\u1ea7u ti\u00eau d\u00f9ng gi\u1ea5y bao b\u00ec d\u1ef1 b\u00e1o t\u0103ng tr\u01b0\u1edfng 14-18%\/n\u0103m. Do \u0111\u00f3, k\u1ebf ho\u1ea1ch m\u1edf r\u1ed9ng s\u1ea3n xu\u1ea5t c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y gi\u1ea5y bao b\u00ec l\u00e0 h\u01b0\u1edbng \u0111i kh\u1ea3 quan. Tuy nhi\u00ean, ph\u00e2n kh\u00fac gi\u1ea5y bao b\u00ec cao c\u1ea5p (tr\u00e1ng ph\u1ee7) l\u00e0 \u201ckho\u1ea3ng tr\u1ed1ng\u201d m\u00e0 ng\u00e0nh gi\u1ea5y c\u1ea7n l\u1eafp \u0111\u1ea7y, thay v\u00ec ch\u1ec9 t\u1eadp trung v\u00e0o s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i gi\u1ea5y bao b\u00ec th\u00f4ng th\u01b0\u1eddng.<\/p>\n

\u0110\u00c3 C\u00d3 NH\u1eeeNG GI\u1ea2I PH\u00c1P N\u00c0O HI\u1ec6N NAY \u0110\u1ec2 X\u1eec L\u00dd V\u1ea4N \u0110\u1ec0 TR\u00caN?\u00a0<\/strong><\/p>\n

_ X\u1eed l\u00ed ch\u1ea5t th\u1ea3i n\u01b0\u1edbc c\u1ee7a nhi\u1ec1u nh\u00e0 m\u00e1y gi\u1ea5y ch\u01b0a tri\u1ec7t \u0111\u1ec3 do m\u00e1y m\u00f3c s\u1ea3n xu\u1ea5t l\u1ea1c h\u1eadu, kh\u00f4ng c\u00f3 quy tr\u00ecnh x\u1eed l\u00ed n\u01b0\u1edbc th\u1ea3i theo ti\u00eau chu\u1ea9n.<\/p>\n

_ Gi\u1ea5y l\u00e0m t\u1eeb b\u1ed9t \u0111\u00e1 v\u00f4i c\u1ee7a c\u00f4ng ty Nh\u1eadt Roca:<\/p>\n