{"id":577,"date":"2026-06-09T08:02:23","date_gmt":"2026-06-09T08:02:23","guid":{"rendered":"https:\/\/ktech4.k-tech-services.com\/toantam756\/?p=577"},"modified":"2026-06-23T18:38:55","modified_gmt":"2026-06-23T18:38:55","slug":"ung-dung-than-sinh-hoc-biochar-bien-tinh-giai-phap-dot-pha-nang-cao-hieu-qua-khu-phot-pho-trong-bai-loc-trong-cay-constructed-wetlands","status":"publish","type":"post","link":"https:\/\/ktech4.k-tech-services.com\/toantam756\/ung-dung-than-sinh-hoc-biochar-bien-tinh-giai-phap-dot-pha-nang-cao-hieu-qua-khu-phot-pho-trong-bai-loc-trong-cay-constructed-wetlands\/","title":{"rendered":"BIOCHAR BI\u1ebeN T\u00cdNH \u2013 GI\u1ea2I PH\u00c1P T\u0102NG C\u01af\u1edcNG LO\u1ea0I B\u1ece PH\u1ed0T-PHO"},"content":{"rendered":"

Trong c\u00e1c gi\u1ea3i ph\u00e1p x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, \u0111\u00f4 th\u1ecb v\u00e0 n\u00f4ng nghi\u1ec7p theo h\u01b0\u1edbng t\u1ef1 nhi\u00ean, B\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y nh\u00e2n t\u1ea1o (Constructed Wetlands – CWs)<\/strong> lu\u00f4n l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u nh\u1edd chi ph\u00ed th\u1ea5p, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u1ea1o c\u1ea3nh quan xanh. Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng n\u00e0y l\u1ea1i g\u1eb7p m\u1ed9t “\u0111i\u1ec3m ngh\u1ebdn” c\u1ed1 h\u1eefu: Kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf Ph\u1ed1t-pho (P) k\u00e9m v\u00e0 nhanh b\u1ecb b\u00e3o h\u00f2a.<\/strong><\/p>\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 b\u00e0i to\u00e1n n\u00e0y, xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng hi\u1ec7n nay \u0111ang h\u01b0\u1edbng v\u1ec1 vi\u1ec7c \u1ee9ng d\u1ee5ng Than sinh h\u1ecdc (Biochar) bi\u1ebfn t\u00ednh<\/strong> l\u00e0m v\u1eadt li\u1ec7u l\u1ecdc (gi\u00e1 th\u1ec3). S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y mang l\u1ea1i hi\u1ec7u su\u1ea5t gi\u1eef Ph\u1ed1t-pho v\u01b0\u1ee3t tr\u1ed9i, m\u1edf ra ch\u01b0\u01a1ng m\u1edbi cho c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh th\u00e1i b\u1ec1n v\u1eefng.<\/p>\n

1. L\u00fd do b\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y truy\u1ec1n th\u1ed1ng “s\u1ee3” ph\u1ed1t-pho?<\/strong><\/span><\/h3>\n

Trong b\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y, c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m nh\u01b0 h\u1eefu c\u01a1 (BOD, COD) hay Nit\u01a1 \u0111\u01b0\u1ee3c x\u1eed l\u00fd r\u1ea5t t\u1ed1t nh\u1edd qu\u00e1 tr\u00ecnh sinh h\u1ecdc c\u1ee7a vi sinh v\u1eadt v\u00e0 s\u1ef1 h\u1ea5p th\u1ee5 c\u1ee7a r\u1ec5 c\u00e2y (c\u00e2y lau s\u1eady, th\u1ee7y tr\u00fac, b\u1ed3n b\u1ed3n…). Tuy nhi\u00ean, c\u01a1 ch\u1ebf lo\u1ea1i b\u1ecf Ph\u1ed1t-pho l\u1ea1i ph\u1ee5 thu\u1ed9c ch\u1ee7 y\u1ebfu v\u00e0o qu\u00e1 tr\u00ecnh h\u1ea5p ph\u1ee5 v\u00e0 k\u1ebft t\u1ee7a h\u00f3a h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u l\u1ecdc (c\u00e1t, s\u1ecfi, \u0111\u00e1 d\u0103m).<\/strong><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u l\u1ecdc truy\u1ec1n th\u1ed1ng:<\/strong><\/p>\n

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    • Dung l\u01b0\u1ee3ng h\u1ea5p ph\u1ee5 th\u1ea5p:<\/strong> C\u00e1t, s\u1ecfi th\u00f4ng th\u01b0\u1eddng c\u00f3 r\u1ea5t \u00edt v\u1ecb tr\u00ed li\u00ean k\u1ebft ch\u1ee7 \u0111\u1ed9ng v\u1edbi c\u00e1c ion ph\u1ed1t-ph\u00e1t ( ).<\/li>\n
    • Nhanh b\u1ecb b\u00e3o h\u00f2a:<\/strong> Ch\u1ec9 sau 1\u20133 n\u0103m v\u1eadn h\u00e0nh, c\u00e1c v\u1ecb tr\u00ed h\u1ea5p ph\u1ee5 tr\u00ean \u0111\u00e1, s\u1ecfi s\u1ebd b\u1ecb l\u1ea5p \u0111\u1ea7y. L\u00fac n\u00e0y, hi\u1ec7u su\u1ea5t kh\u1eed Ph\u1ed1t-pho c\u1ee7a b\u00e3i l\u1ecdc t\u1ee5t d\u1ed1c th\u00ea th\u1ea3m, g\u00e2y ra nguy c\u01a1 ph\u00ec d\u01b0\u1ee1ng cho ngu\u1ed3n n\u01b0\u1edbc ti\u1ebfp nh\u1eadn.<\/li>\n
    • T\u1ed1n chi ph\u00ed thay th\u1ebf:<\/strong> Vi\u1ec7c n\u1ea1o v\u00e9t h\u00e0ng tr\u0103m t\u1ea5n c\u00e1t s\u1ecfi b\u00e3o h\u00f2a \u0111\u1ec3 thay m\u1edbi c\u1ef1c k\u1ef3 t\u1ed1n k\u00e9m v\u00e0 d\u1ec5 l\u00e0m t\u1ed5n th\u01b0\u01a1ng h\u1ec7 r\u1ec5 th\u1ef1c v\u1eadt<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

      2. Than sinh h\u1ecdc (biochar) bi\u1ebfn t\u00ednh: “c\u1ee9u tinh” cho h\u1ec7 th\u1ed1ng cws<\/strong><\/span><\/h3>\n

      Than sinh h\u1ecdc (Biochar) l\u00e0 s\u1ea3n ph\u1ea9m gi\u00e0u carbon thu \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh nhi\u1ec7t ph\u00e2n c\u00e1c ngu\u1ed3n sinh kh\u1ed1i th\u1ef1c v\u1eadt (v\u1ecf tr\u1ea5u, x\u01a1 d\u1eeba, tre, ph\u1ebf ph\u1ea9m n\u00f4ng nghi\u1ec7p) trong \u0111i\u1ec1u ki\u1ec7n thi\u1ebfu oxy.<\/p>\n

      Biochar th\u00f4 v\u1ed1n d\u0129 \u0111\u00e3 c\u00f3 c\u1ea5u tr\u00fac x\u1ed1p v\u1edbi di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ef1c l\u1edbn v\u00e0 l\u00e0 ng\u00f4i nh\u00e0 l\u00fd t\u01b0\u1edfng cho vi sinh v\u1eadt tr\u00fa ng\u1ee5. Tuy nhi\u00ean, b\u1ec1 m\u1eb7t c\u1ee7a Biochar th\u00f4 th\u01b0\u1eddng mang \u0111i\u1ec7n t\u00edch \u00e2m, n\u00ean ch\u00fang t\u1ef1 \u0111\u1ea9y c\u00e1c ion ph\u1ed1t-ph\u00e1t ( ).c\u0169ng mang \u0111i\u1ec7n t\u00edch \u00e2m. \u0110\u1ec3 “b\u1eaft” \u0111\u01b0\u1ee3c Ph\u1ed1t-pho, Biochar c\u1ea7n \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh (k\u1ef9 thu\u1eadt c\u1ea3i t\u00ednh b\u1ec1 m\u1eb7t).<\/strong><\/p>\n

      C\u00e1c ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn t\u00ednh Biochar kh\u1eed Ph\u1ed1t-pho ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n

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        • Bi\u1ebfn t\u00ednh b\u1eb1ng kim lo\u1ea1i h\u00f3a tr\u1ecb cao (Fe, Al, Ca, Mg):<\/strong> T\u1ea9m l\u00ean b\u1ec1 m\u1eb7t Biochar c\u00e1c ion kim lo\u1ea1i nh\u01b0 S\u1eaft , Nh\u00f4m ho\u1eb7c Canxi . C\u00e1c ion n\u00e0y b\u00e1m ch\u1eb7t v\u00e0o c\u1ea5u tr\u00fac than, chuy\u1ec3n \u0111i\u1ec7n t\u00edch b\u1ec1 m\u1eb7t than th\u00e0nh \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng, \u0111\u1ed3ng th\u1eddi s\u1eb5n s\u00e0ng t\u1ea1o k\u1ebft t\u1ee7a h\u00f3a h\u1ecdc b\u1ec1n v\u1eefng v\u1edbi Ph\u1ed1t-pho.<\/li>\n
        • Bi\u1ebfn t\u00ednh b\u1eb1ng ch\u1ea5t ho\u1ea1t h\u00f3a b\u1ec1 m\u1eb7t ho\u1eb7c nhi\u1ec7t \u0111\u1ed9:<\/strong> Gia t\u0103ng t\u1ed1i \u0111a c\u00e1c nh\u00f3m ch\u1ee9c ch\u1ee9a oxy \u0111\u1ec3 t\u1ea1o li\u00ean k\u1ebft hydro v\u1edbi c\u00e1c ph\u00e2n t\u1eed ch\u1ee9a Ph\u1ed1t-pho.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

          3. C\u01a1 ch\u1ebf “b\u1eaby” ph\u1ed1t-pho c\u1ee7a biochar bi\u1ebfn t\u00ednh trong b\u00e3i l\u1ecdc<\/strong><\/span><\/h3>\n

          Khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o b\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y (th\u01b0\u1eddng tr\u1ed9n v\u1edbi c\u00e1t\/s\u1ecfi theo t\u1ef7 l\u1ec7 t\u1ed1i \u01b0u ho\u1eb7c l\u00e0m m\u1ed9t l\u1edbp v\u1eadt li\u1ec7u l\u1ecdc chuy\u00ean bi\u1ec7t), Biochar bi\u1ebfn t\u00ednh s\u1ebd lo\u1ea1i b\u1ecf Ph\u1ed1t-pho qua 3 h\u00e0ng r\u00e0o c\u01a1 ch\u1ebf:<\/p>\n

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            1. H\u1ea5p ph\u1ee5 t\u0129nh \u0111i\u1ec7n c\u1ef1c m\u1ea1nh:<\/strong> B\u1ec1 m\u1eb7t t\u00edch \u0111i\u1ec7n d\u01b0\u01a1ng (nh\u1edd bi\u1ebfn t\u00ednh kim lo\u1ea1i) s\u1ebd h\u00fat ch\u1eb7t c\u00e1c ion H2<\/sub> . v\u00e0 H c\u00f3 trong n\u01b0\u1edbc th\u1ea3i gi\u1ed1ng nh\u01b0 m\u1ed9t chi\u1ebfc nam ch\u00e2m.<\/li>\n
            2. K\u1ebft t\u1ee7a h\u00f3a h\u1ecdc t\u1ea1i ch\u1ed7:<\/strong> C\u00e1c ion Ca2+<\/sup> ho\u1eb7c Fe3+<\/sup> tr\u00ean b\u1ec1 m\u1eb7t than s\u1ebd ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi ph\u1ed1t-ph\u00e1t t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t k\u1ebft t\u1ee7a si\u00eau m\u1ecbn, kh\u00f4ng tan b\u00e1m ch\u1eb7t trong c\u00e1c mao qu\u1ea3n c\u1ee7a than.<\/li>\n
            3. C\u1ed9ng h\u01b0\u1edfng sinh h\u1ecdc:<\/strong> C\u1ea5u tr\u00fac x\u1ed1p c\u1ee7a Biochar gi\u1eef l\u1ea1i \u0111\u1ed9 \u1ea9m v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng, k\u00edch th\u00edch m\u00e0ng sinh h\u1ecdc (biofilm) c\u1ee7a vi sinh v\u1eadt ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd. C\u00e1c vi sinh v\u1eadt t\u00edch l\u0169y Ph\u1ed1t-pho (PAOs) s\u1ebd h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 P v\u00e0o trong t\u1ebf b\u00e0o c\u1ee7a ch\u00fang.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

              4. Nh\u1eefng l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i khi \u1ee9ng d\u1ee5ng biochar bi\u1ebfn t\u00ednh<\/strong><\/span><\/h3>\n\n\n\n\n\n
              L\u1ee2I \u00cdCH C\u1ee6A BIOCHAR BI\u1ebeN T\u00cdNH TRONG B\u00c3I L\u1eccC<\/td>\n<\/tr>\n
              HI\u1ec6U SU\u1ea4T \u0110\u1ed8T PH\u00c1<\/td>\nV\u00d2NG TU\u1ea6N HO\u00c0N XANH<\/td>\n<\/tr>\n
              \u2022 Kh\u1eed P t\u0103ng t\u1eeb 20-30% l\u00ean \u0111\u1ebfn 85% – 95%<\/p>\n

              \u2022 K\u00e9o d\u00e0i tu\u1ed5i th\u1ecd b\u00e3i l\u1ecdc g\u1ea5p 3 – 5 l\u1ea7n.<\/p>\n<\/td>\n

              		\u2022 T\u1eadn d\u1ee5ng ph\u1ebf ph\u1ea9m n\u00f4ng nghi\u1ec7p l\u00e0m nguy\u00ean li\u1ec7u.<\/p>\n

              \u2022 Than b\u00e3o h\u00f2a P tr\u1edf th\u00e0nh “ph\u00e2n b\u00f3n ch\u1eadm” tuy\u1ec7t v\u1eddi<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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                • Hi\u1ec7u su\u1ea5t x\u1eed l\u00fd \u0111\u1ec9nh cao:<\/strong> C\u00e1c nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m cho th\u1ea5y b\u00e3i l\u1ecdc b\u1ed5 sung Biochar bi\u1ebfn t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf t\u1ed5ng Ph\u1ed1t-pho (TP) \u1ed5n \u0111\u1ecbnh \u1edf m\u1ee9c >85%, ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n m\u00f9a \u0111\u00f4ng ho\u1eb7c t\u1ea3i l\u01b0\u1ee3ng \u00f4 nhi\u1ec5m cao.<\/li>\n
                • Ch\u1ed1ng ngh\u1eb9t b\u00e3i l\u1ecdc (Clogging):<\/strong> Nh\u1edd c\u1ea5u tr\u00fac nh\u1eb9 v\u00e0 \u0111\u1ed9 x\u1ed1p cao, Biochar gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1eabn th\u1ee7y l\u1ef1c c\u1ee7a b\u00e3i l\u1ecdc, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a hi\u1ec7n t\u01b0\u1ee3ng t\u1eafc ngh\u1ebdn d\u00f2ng ch\u1ea3y sau m\u1ed9t th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng.<\/li>\n
                • Gi\u00e1 tr\u1ecb gia t\u0103ng – V\u00f2ng tu\u1ea7n ho\u00e0n n\u00f4ng nghi\u1ec7p \u0111\u00f3ng:<\/strong> Khi Biochar \u0111\u00e3 h\u1ea5p ph\u1ee5 “no” Ph\u1ed1t-pho v\u00e0 Nit\u01a1, l\u1edbp v\u1eadt li\u1ec7u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ea5t th\u1ea3i nguy h\u1ea1i. Doanh nghi\u1ec7p ho\u1eb7c n\u00f4ng d\u00e2n c\u00f3 th\u1ec3 thu h\u1ed3i l\u1edbp than n\u00e0y \u0111\u1ec3 l\u00e0m ph\u00e2n b\u00f3n h\u1eefu c\u01a1 nh\u1ea3 ch\u1eadm<\/strong> c\u1ef1c t\u1ed1t cho c\u00e2y tr\u1ed3ng, tr\u1ea3 l\u1ea1i Ph\u1ed1t-pho qu\u00fd gi\u00e1 v\u1ec1 cho \u0111\u1ea5t s\u1ea3n xu\u1ea5t.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                  5. \u0110\u1ecbnh h\u01b0\u1edbng tri\u1ec3n khai th\u1ef1c t\u1ebf cho doanh nghi\u1ec7p<\/strong><\/span><\/h3>\n

                  \u0110\u1ec3 \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng v\u1eadt li\u1ec7u n\u00e0y v\u00e0o c\u00e1c d\u1ef1 \u00e1n b\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y th\u1ef1c t\u1ebf, c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc:<\/p>\n

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                    • B\u01b0\u1edbc 1: Thi\u1ebft k\u1ebf “may \u0111o” lo\u1ea1i Biochar:<\/strong> T\u00f9y thu\u1ed9c v\u00e0o ngu\u1ed3n n\u01b0\u1edbc (n\u01b0\u1edbc th\u1ea3i ch\u0103n nu\u00f4i nhi\u1ec1u ph\u00e8n hay n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t nhi\u1ec1u ch\u1ea5t gi\u1eb7t t\u1ea9y) \u0111\u1ec3 l\u1ef1a ch\u1ecdn t\u00e1c nh\u00e2n bi\u1ebfn t\u00ednh (canxi, magie hay s\u1eaft) ph\u00f9 h\u1ee3p nh\u1ea5t.<\/li>\n
                    • B\u01b0\u1edbc 2: T\u1ed1i \u01b0u h\u00f3a t\u1ef7 l\u1ec7 ph\u1ed1i tr\u1ed9n:<\/strong> Th\u00f4ng th\u01b0\u1eddng, t\u1ef7 l\u1ec7 ph\u1ed1i tr\u1ed9n Biochar bi\u1ebfn t\u00ednh v\u1edbi c\u00e1t th\u1ea1ch anh dao \u0111\u1ed9ng t\u1eeb 10% \u2013 20% theo th\u1ec3 t\u00edch<\/strong> l\u00e0 \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00e0 k\u1ef9 thu\u1eadt cao nh\u1ea5t.<\/li>\n
                    • B\u01b0\u1edbc 3: Thi\u1ebft k\u1ebf d\u00f2ng ch\u1ea3y th\u00edch h\u1ee3p:<\/strong> N\u00ean \u00e1p d\u1ee5ng cho c\u00e1c b\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y d\u00f2ng ch\u1ea3y ng\u1ea7m (d\u00f2ng ch\u1ea3y ng\u1ea7m ngang ho\u1eb7c ng\u1ea7m \u0111\u1ee9ng) \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a th\u1eddi gian ti\u1ebfp x\u00fac gi\u1eefa n\u01b0\u1edbc th\u1ea3i v\u00e0 b\u1ec1 m\u1eb7t h\u1ea1t than.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                      L\u1eddi k\u1ebft<\/strong><\/span><\/h3>\n

                      \u1ee8ng d\u1ee5ng v\u1eadt li\u1ec7u sinh h\u1ecdc Than sinh h\u1ecdc (Biochar) bi\u1ebfn t\u00ednh l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p “giao thoa” ho\u00e0n h\u1ea3o gi\u1eefa c\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng ti\u00ean ti\u1ebfn v\u00e0 k\u1ef9 thu\u1eadt sinh th\u00e1i t\u1ef1 nhi\u00ean. Kh\u00f4ng ch\u1ec9 gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 kh\u1eed Ph\u1ed1t-pho cho b\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y, c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f2n hi\u1ec7n th\u1ef1c h\u00f3a m\u00f4 h\u00ecnh kinh t\u1ebf tu\u1ea7n ho\u00e0n: bi\u1ebfn ch\u1ea5t th\u1ea3i n\u00f4ng nghi\u1ec7p th\u00e0nh v\u1eadt li\u1ec7u x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, v\u00e0 t\u00e1i t\u1ea1o v\u1eadt li\u1ec7u \u0111\u00f3 th\u00e0nh ngu\u1ed3n dinh d\u01b0\u1ee1ng cho \u0111\u1ea5t \u0111ai. \u0110\u00e2y ch\u1eafc ch\u1eafn l\u00e0 xu h\u01b0\u1edbng b\u1ec1n v\u1eefng m\u00e0 c\u00e1c d\u1ef1 \u00e1n x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i xanh h\u01b0\u1edbng t\u1edbi!<\/p>\n

                      \n

                      B\u1ea1n \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p n\u00e2ng c\u1ea5p, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd cho h\u1ec7 th\u1ed1ng b\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y ho\u1eb7c h\u1ed3 sinh h\u1ecdc c\u1ee7a m\u00ecnh? H\u00e3y li\u00ean h\u1ec7 ngay v\u1edbi \u0111\u1ed9i ng\u0169 chuy\u00ean gia c\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chuy\u00ean s\u00e2u!<\/em><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

                      Trong c\u00e1c gi\u1ea3i ph\u00e1p x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, \u0111\u00f4 th\u1ecb v\u00e0 n\u00f4ng nghi\u1ec7p theo h\u01b0\u1edbng t\u1ef1 nhi\u00ean, B\u00e3i l\u1ecdc tr\u1ed3ng c\u00e2y nh\u00e2n t\u1ea1o (Constructed Wetlands – CWs) lu\u00f4n l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u nh\u1edd chi ph\u00ed th\u1ea5p, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u1ea1o c\u1ea3nh quan xanh. Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng n\u00e0y l\u1ea1i…<\/p>\n","protected":false},"author":1,"featured_media":876,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/posts\/577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/comments?post=577"}],"version-history":[{"count":11,"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/posts\/577\/revisions"}],"predecessor-version":[{"id":934,"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/posts\/577\/revisions\/934"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/media\/876"}],"wp:attachment":[{"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/media?parent=577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/categories?post=577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ktech4.k-tech-services.com\/toantam756\/wp-json\/wp\/v2\/tags?post=577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}