{"id":6156,"date":"2025-12-22T01:45:03","date_gmt":"2025-12-22T01:45:03","guid":{"rendered":"http:\/\/nguyenlieuxanh.org\/?p=6156"},"modified":"2025-12-22T01:45:03","modified_gmt":"2025-12-22T01:45:03","slug":"chat-so%e2%82%82-la-gi-nhan-dien-day-du-luu-huynh-dioxit-trong-moi-truong-song","status":"publish","type":"post","link":"https:\/\/nguyenlieuxanh.org\/?p=6156","title":{"rendered":"Ch\u1ea5t SO\u2082 l\u00e0 g\u00ec? Nh\u1eadn di\u1ec7n \u0111\u1ea7y \u0111\u1ee7 l\u01b0u hu\u1ef3nh \u0111iox\u00edt trong m\u00f4i tr\u01b0\u1eddng s\u1ed1ng"},"content":{"rendered":"

Trong b\u1ee9c tranh \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, l\u01b0u hu\u1ef3nh \u0111iox\u00edt (SO\u2082) l\u00e0 m\u1ed9t trong nh\u1eefng kh\u00ed \u00f4 nhi\u1ec5m quan tr\u1ecdng nh\u01b0ng th\u01b0\u1eddng b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p so v\u1edbi CO, NO\u2082 hay b\u1ee5i m\u1ecbn PM2.5. Tuy nhi\u00ean, SO\u2082 l\u1ea1i \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong nhi\u1ec1u v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed \u0111\u00f4 th\u1ecb, m\u01b0a axit, suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng h\u00f4 h\u1ea5p v\u00e0 bi\u1ebfn \u0111\u1ed5i h\u1ec7 sinh th\u00e1i.<\/p>\n

Vi\u1ec7c hi\u1ec3u \u0111\u00fang SO\u2082 l\u00e0 g\u00ec, ngu\u1ed3n ph\u00e1t sinh, \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc, t\u00e1c \u0111\u1ed9ng s\u1ee9c kh\u1ecfe c\u0169ng nh\u01b0 c\u00f4ng d\u1ee5ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a SO\u2082 trong c\u00f4ng nghi\u1ec7p s\u1ebd gi\u00fap ch\u00fang ta c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n, khoa h\u1ecdc v\u00e0 c\u00e2n b\u1eb1ng h\u01a1n v\u1ec1 lo\u1ea1i kh\u00ed n\u00e0y.<\/p>\n

\"Ch\u1ea5t
Ch\u1ea5t SO\u2082<\/figcaption><\/figure>\n

1. SO\u2082 l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a khoa h\u1ecdc v\u1ec1 l\u01b0u hu\u1ef3nh \u0111iox\u00edt<\/h2>\n

L\u01b0u hu\u1ef3nh \u0111iox\u00edt (Sulfur Dioxide \u2013 SO\u2082) l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 d\u1ea1ng kh\u00ed, \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb m\u1ed9t nguy\u00ean t\u1eed l\u01b0u hu\u1ef3nh (S) v\u00e0 hai nguy\u00ean t\u1eed oxy (O\u2082).<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a SO\u2082<\/h3>\n
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    Tr\u1ea1ng th\u00e1i: kh\u00ed<\/p>\n<\/li>\n

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    M\u00e0u s\u1eafc: kh\u00f4ng m\u00e0u<\/p>\n<\/li>\n

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    M\u00f9i: h\u1eafc, cay, kh\u00f3 ch\u1ecbu<\/p>\n<\/li>\n

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    Tan trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh axit sunfur\u01a1 (H\u2082SO\u2083)<\/p>\n<\/li>\n

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    N\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed<\/p>\n<\/li>\n

  • \n

    C\u00f3 t\u00ednh kh\u1eed v\u00e0 t\u00ednh axit y\u1ebfu<\/p>\n<\/li>\n<\/ul>\n

    SO\u2082 t\u1ed3n t\u1ea1i ph\u1ed5 bi\u1ebfn trong kh\u00ed quy\u1ec3n \u1edf n\u1ed3ng \u0111\u1ed9 th\u1ea5p, nh\u01b0ng khi v\u01b0\u1ee3t ng\u01b0\u1ee1ng cho ph\u00e9p s\u1ebd tr\u1edf th\u00e0nh t\u00e1c nh\u00e2n g\u00e2y \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng.<\/p>\n

    2. Ngu\u1ed3n ph\u00e1t sinh SO\u2082 trong m\u00f4i tr\u01b0\u1eddng s\u1ed1ng<\/h2>\n

    2.1 Ngu\u1ed3n t\u1ef1 nhi\u00ean<\/h3>\n

    SO\u2082 kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi m\u00e0 c\u00f2n xu\u1ea5t hi\u1ec7n t\u1ef1 nhi\u00ean:<\/p>\n

      \n
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      N\u00fai l\u1eeda phun tr\u00e0o<\/p>\n<\/li>\n

    • \n

      Ch\u00e1y r\u1eebng t\u1ef1 nhi\u00ean<\/p>\n<\/li>\n

    • \n

      Ph\u00e2n h\u1ee7y sinh h\u1ecdc c\u00e1c h\u1ee3p ch\u1ea5t ch\u1ee9a l\u01b0u hu\u1ef3nh<\/p>\n<\/li>\n

    • \n

      Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi sinh v\u1eadt trong \u0111\u1ea5t v\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng<\/p>\n<\/li>\n<\/ul>\n

      Tuy nhi\u00ean, l\u01b0\u1ee3ng SO\u2082 t\u1eeb ngu\u1ed3n t\u1ef1 nhi\u00ean th\u01b0\u1eddng ph\u00e2n t\u00e1n v\u00e0 \u00edt g\u00e2y t\u00edch t\u1ee5 l\u00e2u d\u00e0i.<\/p>\n

      2.2 Ngu\u1ed3n nh\u00e2n t\u1ea1o \u2013 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y \u00f4 nhi\u1ec5m<\/h3>\n

      Ph\u1ea7n l\u1edbn SO\u2082 trong m\u00f4i tr\u01b0\u1eddng hi\u1ec7n \u0111\u1ea1i xu\u1ea5t ph\u00e1t t\u1eeb ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p v\u00e0 sinh ho\u1ea1t:<\/p>\n

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      • \n

        \u0110\u1ed1t than \u0111\u00e1 v\u00e0 d\u1ea7u ch\u1ee9a l\u01b0u hu\u1ef3nh<\/p>\n<\/li>\n

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        Nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n<\/p>\n<\/li>\n

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        Luy\u1ec7n kim m\u00e0u (\u0111\u1ed3ng, k\u1ebdm, ch\u00ec)<\/p>\n<\/li>\n

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        S\u1ea3n xu\u1ea5t xi m\u0103ng<\/p>\n<\/li>\n

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        Giao th\u00f4ng s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch<\/p>\n<\/li>\n

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        L\u00f2 \u0111\u1ed1t r\u00e1c, l\u00f2 nung th\u1ee7 c\u00f4ng<\/p>\n<\/li>\n<\/ul>\n

        \u1ede khu v\u1ef1c \u0111\u00f4 th\u1ecb v\u00e0 khu c\u00f4ng nghi\u1ec7p, SO\u2082 th\u01b0\u1eddng t\u00edch t\u1ee5 c\u00f9ng c\u00e1c kh\u00ed \u00f4 nhi\u1ec5m kh\u00e1c, t\u1ea1o n\u00ean h\u1ed7n h\u1ee3p kh\u00f4ng kh\u00ed \u0111\u1ed9c h\u1ea1i.<\/p>\n

        3. \u0110\u1eb7c t\u00ednh h\u00f3a h\u1ecdc quy\u1ebft \u0111\u1ecbnh t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng c\u1ee7a SO\u2082<\/h2>\n

        SO\u2082 v\u00e0 ph\u1ea3n \u1ee9ng trong kh\u00ed quy\u1ec3n<\/h3>\n

        Trong kh\u00f4ng kh\u00ed, SO\u2082 c\u00f3 th\u1ec3:<\/p>\n

          \n
        • \n

          B\u1ecb oxy h\u00f3a th\u00e0nh SO\u2083<\/p>\n<\/li>\n

        • \n

          K\u1ebft h\u1ee3p v\u1edbi h\u01a1i n\u01b0\u1edbc t\u1ea1o th\u00e0nh axit sulfuric (H\u2082SO\u2084)<\/p>\n<\/li>\n

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          Tham gia h\u00ecnh th\u00e0nh m\u01b0a axit<\/p>\n<\/li>\n<\/ul>\n

          Qu\u00e1 tr\u00ecnh n\u00e0y khi\u1ebfn SO\u2082 kh\u00f4ng ch\u1ec9 g\u00e2y h\u1ea1i tr\u1ef1c ti\u1ebfp m\u00e0 c\u00f2n t\u1ea1o ra h\u1ec7 qu\u1ea3 m\u00f4i tr\u01b0\u1eddng lan r\u1ed9ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ea5t, n\u01b0\u1edbc, c\u00e2y tr\u1ed3ng v\u00e0 c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n

          4. T\u00e1c \u0111\u1ed9ng c\u1ee7a SO\u2082 \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi<\/h2>\n

          4.1 \u1ea2nh h\u01b0\u1edfng ng\u1eafn h\u1ea1n<\/h3>\n

          Khi h\u00edt ph\u1ea3i SO\u2082 \u1edf n\u1ed3ng \u0111\u1ed9 cao trong th\u1eddi gian ng\u1eafn, c\u01a1 th\u1ec3 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n:<\/p>\n

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            Cay m\u1eaft, ch\u1ea3y n\u01b0\u1edbc m\u1eaft<\/p>\n<\/li>\n

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            K\u00edch \u1ee9ng m\u0169i v\u00e0 c\u1ed5 h\u1ecdng<\/p>\n<\/li>\n

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            Ho, kh\u00f3 th\u1edf<\/p>\n<\/li>\n

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            C\u1ea3m gi\u00e1c t\u1ee9c ng\u1ef1c<\/p>\n<\/li>\n<\/ul>\n

            Nh\u1eefng ng\u01b0\u1eddi c\u00f3 b\u1ec7nh n\u1ec1n h\u00f4 h\u1ea5p nh\u01b0 hen suy\u1ec5n, vi\u00eam ph\u1ed5i m\u1ea1n t\u00ednh \u0111\u1eb7c bi\u1ec7t nh\u1ea1y c\u1ea3m v\u1edbi SO\u2082.<\/p>\n

            4.2 \u1ea2nh h\u01b0\u1edfng d\u00e0i h\u1ea1n<\/h3>\n

            Ph\u01a1i nhi\u1ec5m SO\u2082 k\u00e9o d\u00e0i, d\u00f9 \u1edf n\u1ed3ng \u0111\u1ed9 th\u1ea5p, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n

              \n
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              Vi\u00eam ph\u1ebf qu\u1ea3n m\u1ea1n<\/p>\n<\/li>\n

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              Gi\u1ea3m ch\u1ee9c n\u0103ng ph\u1ed5i<\/p>\n<\/li>\n

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              T\u0103ng nguy c\u01a1 b\u1ec7nh tim m\u1ea1ch<\/p>\n<\/li>\n

            • \n

              Gia t\u0103ng t\u1ef7 l\u1ec7 nh\u1eadp vi\u1ec7n do b\u1ec7nh h\u00f4 h\u1ea5p<\/p>\n<\/li>\n<\/ul>\n

              Tr\u1ebb em, ng\u01b0\u1eddi cao tu\u1ed5i v\u00e0 ph\u1ee5 n\u1eef mang thai l\u00e0 nh\u00f3m \u0111\u1ed1i t\u01b0\u1ee3ng d\u1ec5 t\u1ed5n th\u01b0\u01a1ng nh\u1ea5t.<\/p>\n

              5. SO\u2082 v\u00e0 m\u1ed1i li\u00ean h\u1ec7 v\u1edbi m\u01b0a axit<\/h2>\n

              M\u1ed9t trong nh\u1eefng h\u1eadu qu\u1ea3 n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a SO\u2082 l\u00e0 m\u01b0a axit. Khi SO\u2082 trong kh\u00ed quy\u1ec3n ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc v\u00e0 oxy, n\u00f3 t\u1ea1o th\u00e0nh axit sulfuric \u2013 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u01b0a axit.<\/p>\n

              H\u1ec7 qu\u1ea3 c\u1ee7a m\u01b0a axit:<\/h3>\n
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                Axit h\u00f3a \u0111\u1ea5t, l\u00e0m ngh\u00e8o dinh d\u01b0\u1ee1ng c\u00e2y tr\u1ed3ng<\/p>\n<\/li>\n

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                H\u1ee7y ho\u1ea1i r\u1eebng v\u00e0 th\u1ea3m th\u1ef1c v\u1eadt<\/p>\n<\/li>\n

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                Axit h\u00f3a s\u00f4ng h\u1ed3, g\u00e2y ch\u1ebft th\u1ee7y sinh<\/p>\n<\/li>\n

              • \n

                \u0102n m\u00f2n kim lo\u1ea1i, b\u00ea t\u00f4ng, c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac<\/p>\n<\/li>\n<\/ul>\n

                6. Ch\u1ea5t SO\u2082 c\u00f3 c\u00f4ng d\u1ee5ng g\u00ec? G\u00f3c nh\u00ecn \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<\/h2>\n

                M\u1eb7c d\u00f9 mang ti\u1ebfng l\u00e0 kh\u00ed \u00f4 nhi\u1ec5m, SO\u2082 v\u1eabn c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng, khi \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u00fang c\u00e1ch.<\/p>\n

                6.1 C\u00f4ng d\u1ee5ng c\u1ee7a SO\u2082 trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m<\/h3>\n

                SO\u2082 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi li\u1ec1u l\u01b0\u1ee3ng cho ph\u00e9p nh\u01b0:<\/p>\n

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                  Ch\u1ea5t b\u1ea3o qu\u1ea3n ch\u1ed1ng oxy h\u00f3a<\/p>\n<\/li>\n

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                  Ng\u0103n ng\u1eeba vi khu\u1ea9n v\u00e0 n\u1ea5m m\u1ed1c<\/p>\n<\/li>\n

                • \n

                  Gi\u1eef m\u00e0u cho tr\u00e1i c\u00e2y s\u1ea5y kh\u00f4 (nho kh\u00f4, m\u01a1 kh\u00f4)<\/p>\n<\/li>\n<\/ul>\n

                  L\u01b0u \u00fd: Vi\u1ec7c s\u1eed d\u1ee5ng SO\u2082 trong th\u1ef1c ph\u1ea9m ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t quy \u0111\u1ecbnh an to\u00e0n.<\/p>\n

                  6.2 SO\u2082 trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t<\/h3>\n
                    \n
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                    Nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t axit sulfuric<\/p>\n<\/li>\n

                  • \n

                    Trung gian trong t\u1ed5ng h\u1ee3p h\u00f3a ch\u1ea5t<\/p>\n<\/li>\n

                  • \n

                    X\u1eed l\u00fd v\u00e0 t\u1ea9y tr\u1eafng b\u1ed9t gi\u1ea5y<\/p>\n<\/li>\n<\/ul>\n

                    6.3 SO\u2082 trong x\u1eed l\u00fd n\u01b0\u1edbc<\/h3>\n

                    SO\u2082 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3:<\/p>\n

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                      Kh\u1eed clo d\u01b0 trong n\u01b0\u1edbc<\/p>\n<\/li>\n

                    • \n

                      \u0110i\u1ec1u ch\u1ec9nh pH<\/p>\n<\/li>\n

                    • \n

                      H\u1ea1n ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt<\/p>\n<\/li>\n<\/ul>\n

                      6.4 SO\u2082 trong \u0111\u1eddi s\u1ed1ng \u0111\u00f4 th\u1ecb hi\u1ec7n \u0111\u1ea1i<\/h3>\n

                      \u1ede \u0111\u00f4 th\u1ecb, SO\u2082 th\u01b0\u1eddng kh\u00f4ng t\u1ed3n t\u1ea1i \u0111\u01a1n l\u1ebb m\u00e0 \u0111i k\u00e8m:<\/p>\n

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                      • \n

                        NO\u2082<\/p>\n<\/li>\n

                      • \n

                        CO<\/p>\n<\/li>\n

                      • \n

                        B\u1ee5i m\u1ecbn PM2.5<\/p>\n<\/li>\n<\/ul>\n

                        S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y l\u00e0m t\u0103ng hi\u1ec7u \u1ee9ng c\u1ed9ng h\u01b0\u1edfng \u0111\u1ed9c h\u1ea1i, khi\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed suy gi\u1ea3m nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t v\u00e0o gi\u1edd cao \u0111i\u1ec3m v\u00e0 m\u00f9a kh\u00f4.<\/p>\n

                        7. Gi\u1ea3i ph\u00e1p ki\u1ec3m so\u00e1t v\u00e0 gi\u1ea3m thi\u1ec3u SO\u2082<\/h2>\n

                        7.1 \u1ede c\u1ea5p \u0111\u1ed9 c\u00e1 nh\u00e2n<\/h3>\n
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                          H\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac khi ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed x\u1ea5u<\/p>\n<\/li>\n

                        • \n

                          S\u1eed d\u1ee5ng kh\u1ea9u trang l\u1ecdc kh\u00ed<\/p>\n<\/li>\n

                        • \n

                          Tr\u1ed3ng c\u00e2y xanh trong kh\u00f4ng gian s\u1ed1ng<\/p>\n<\/li>\n

                        • \n

                          Tr\u00e1nh \u0111\u1ed1t nhi\u00ean li\u1ec7u r\u1eafn trong nh\u00e0<\/p>\n<\/li>\n<\/ul>\n

                          7.2 \u1ede c\u1ea5p \u0111\u1ed9 c\u00f4ng nghi\u1ec7p v\u00e0 x\u00e3 h\u1ed9i<\/h3>\n
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                            S\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u \u00edt l\u01b0u hu\u1ef3nh<\/p>\n<\/li>\n

                          • \n

                            L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00ed th\u1ea3i<\/p>\n<\/li>\n

                          • \n

                            Chuy\u1ec3n \u0111\u1ed5i sang n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/p>\n<\/li>\n

                          • \n

                            Ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd ph\u00e1t th\u1ea3i SO\u2082<\/p>\n<\/li>\n<\/ul>\n

                            8. SO\u2082 trong t\u01b0\u01a1ng lai: Th\u00e1ch th\u1ee9c v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng b\u1ec1n v\u1eefng<\/h2>\n

                            Trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u00f4 th\u1ecb h\u00f3a nhanh, SO\u2082 v\u1eabn s\u1ebd l\u00e0 th\u00e1ch th\u1ee9c l\u1edbn v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng. Tuy nhi\u00ean, nh\u1edd ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 v\u00e0 nh\u1eadn th\u1ee9c x\u00e3 h\u1ed9i, vi\u1ec7c ki\u1ec3m so\u00e1t SO\u2082 \u0111ang d\u1ea7n kh\u1ea3 thi h\u01a1n.<\/p>\n

                            H\u01b0\u1edbng \u0111i b\u1ec1n v\u1eefng kh\u00f4ng ph\u1ea3i lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n SO\u2082, m\u00e0 l\u00e0:<\/p>\n

                              \n
                            • \n

                              Qu\u1ea3n l\u00fd ph\u00e1t th\u1ea3i hi\u1ec7u qu\u1ea3<\/p>\n<\/li>\n

                            • \n

                              S\u1eed d\u1ee5ng c\u00f3 ki\u1ec3m so\u00e1t trong c\u00f4ng nghi\u1ec7p<\/p>\n<\/li>\n

                            • \n

                              \u0110\u1eb7t s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi l\u00e0m trung t\u00e2m<\/p>\n<\/li>\n<\/ul>\n

                              K\u1ebft lu\u1eadn<\/h2>\n

                              Ch\u1ea5t SO\u2082 \u2013 l\u01b0u hu\u1ef3nh \u0111iox\u00edt l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t c\u00f3 hai m\u1eb7t r\u00f5 r\u1ec7t: v\u1eeba l\u00e0 t\u00e1c nh\u00e2n \u00f4 nhi\u1ec5m nguy hi\u1ec3m, v\u1eeba l\u00e0 ch\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p. Vi\u1ec7c nh\u1eadn di\u1ec7n \u0111\u1ea7y \u0111\u1ee7 SO\u2082 trong m\u00f4i tr\u01b0\u1eddng s\u1ed1ng gi\u00fap ch\u00fang ta kh\u00f4ng ch\u1ec9 ph\u00f2ng tr\u00e1nh r\u1ee7i ro m\u00e0 c\u00f2n hi\u1ec3u \u0111\u00fang vai tr\u00f2 c\u1ee7a n\u00f3 trong chu\u1ed7i ph\u00e1t tri\u1ec3n hi\u1ec7n \u0111\u1ea1i.<\/p>\n

                              Hi\u1ec3u \u0111\u00fang \u0111\u1ec3 ki\u1ec3m so\u00e1t, ki\u1ec3m so\u00e1t \u0111\u1ec3 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng \u2013 \u0111\u00f3 ch\u00ednh l\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00fang \u0111\u1eafn \u0111\u1ed1i v\u1edbi SO\u2082 trong th\u1ebf k\u1ef7 21.<\/p>\n","protected":false},"excerpt":{"rendered":"

                              Trong b\u1ee9c tranh \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, l\u01b0u hu\u1ef3nh \u0111iox\u00edt (SO\u2082) l\u00e0 m\u1ed9t trong nh\u1eefng kh\u00ed \u00f4 nhi\u1ec5m quan tr\u1ecdng nh\u01b0ng th\u01b0\u1eddng b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p so v\u1edbi CO, NO\u2082 hay b\u1ee5i m\u1ecbn PM2.5. Tuy nhi\u00ean, SO\u2082 l\u1ea1i \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong nhi\u1ec1u v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u00f4…<\/p>\n","protected":false},"author":4,"featured_media":6167,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-6156","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-vien"],"_links":{"self":[{"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=\/wp\/v2\/posts\/6156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6156"}],"version-history":[{"count":2,"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=\/wp\/v2\/posts\/6156\/revisions"}],"predecessor-version":[{"id":6168,"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=\/wp\/v2\/posts\/6156\/revisions\/6168"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=\/wp\/v2\/media\/6167"}],"wp:attachment":[{"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nguyenlieuxanh.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}