Sau h\u01a1n hai m\u01b0\u01a1i n\u0103m l\u00e0m vi\u1ec7c t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u00f4 th\u1ecb, t\u00f4i \u0111\u00e3 nh\u1eadn ra r\u1eb1ng b\u1ecdt l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 tr\u00f4ng c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n tr\u00ean gi\u1ea5y t\u1edd nh\u01b0ng c\u00f3 th\u1ec3 \u00e2m th\u1ea7m ph\u00e1 ho\u1ea1i ho\u1ea1t \u0111\u1ed9ng v\u1eadn h\u00e0nh n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch. M\u1ed9t l\u1edbp b\u1ecdt d\u00e0y tr\u00ean b\u1ec3 s\u1ee5c kh\u00ed ho\u1eb7c b\u1ec3 l\u1eafng th\u1ee9 c\u1ea5p kh\u00f4ng ch\u1ec9 tr\u00f4ng l\u1ed9n x\u1ed9n. N\u00f3 c\u00f2n l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t truy\u1ec1n oxy, t\u0103ng nguy c\u01a1 tr\u00e0n n\u01b0\u1edbc trong m\u00f9a m\u01b0a b\u00e3o, g\u00e2y ra nguy c\u01a1 tr\u01a1n tr\u01b0\u1ee3t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn an to\u00e0n, v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 \u0111\u1ea9y c\u00e1c ch\u1ea5t r\u1eafn qua \u0111\u1eadp tr\u00e0n v\u00e0o n\u01b0\u1edbc th\u1ea3i cu\u1ed1i c\u00f9ng. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t nh\u00e0 m\u00e1y ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 m\u1ed9t nh\u00e0 m\u00e1y ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng s\u1ef1 c\u1ed1 li\u00ean t\u1ee5c n\u1eb1m \u1edf vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 \u00e1p d\u1ee5ng ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc v\u00e0 sinh h\u1ecdc trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/p>\n
B\u1ecdt trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i th\u01b0\u1eddng h\u00ecnh th\u00e0nh khi c\u00e1c h\u1ee3p ch\u1ea5t ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t gi\u00fap \u1ed5n \u0111\u1ecbnh c\u00e1c b\u1ecdt kh\u00ed. C\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb ch\u1ea5t t\u1ea9y r\u1eeda v\u00e0 ch\u1ea5t ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t trong n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, nh\u01b0ng t\u00ecnh tr\u1ea1ng n\u00e0y th\u01b0\u1eddng nghi\u00eam tr\u1ecdng h\u01a1n nhi\u1ec1u trong c\u00e1c d\u00f2ng n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u2014 bao g\u1ed3m protein v\u00e0 ch\u1ea5t b\u00e9o t\u1eeb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, lignin v\u00e0 nh\u1ef1a t\u1eeb c\u00e1c nh\u00e0 m\u00e1y b\u1ed9t gi\u1ea5y v\u00e0 gi\u1ea5y, ho\u1eb7c d\u1ea7u v\u00e0 m\u1ee1 t\u1eeb c\u00e1c nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u v\u00e0 c\u01a1 s\u1edf gia c\u00f4ng kim lo\u1ea1i. Trong c\u00e1c h\u1ec7 th\u1ed1ng b\u00f9n ho\u1ea1t t\u00ednh, s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c b\u1ecdt kh\u00ed m\u1ecbn t\u1eeb qu\u00e1 tr\u00ecnh s\u1ee5c kh\u00ed v\u00e0 c\u00e1c ch\u1ea5t polymer ngo\u1ea1i b\u00e0o do sinh kh\u1ed1i t\u1ea1o ra c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh l\u1edbp b\u1ecdt r\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n v\u1eefng, kh\u00f4ng t\u1ef1 tan. Khi l\u1edbp b\u1ecdt n\u00e0y d\u00e0y l\u00ean, n\u00f3 s\u1ebd c\u00e1ch nhi\u1ec7t b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng, l\u00e0m gi\u1ea3m s\u1ef1 h\u00f2a tan oxy v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c s\u1ee3i g\u00e2y b\u1ecdt nh\u01b0 Nocardia ho\u1eb7c Microthrix.<\/p>\n
Ch\u1ea5t kh\u1eed b\u1ecdt ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1 v\u1ee1 l\u1edbp m\u00e0ng b\u1ec1 m\u1eb7t gi\u1eef c\u00e1c b\u1ecdt l\u1ea1i v\u1edbi nhau. C\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt hi\u1ec7u qu\u1ea3 cho n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c b\u00e0o ch\u1ebf \u0111\u1ec3 lan t\u1ecfa nhanh ch\u00f3ng tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa kh\u00f4ng kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng, \u0111\u1ea9y l\u00f9i c\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t c\u00f3 t\u00e1c d\u1ee5ng \u1ed5n \u0111\u1ecbnh, \u0111\u1ed3ng th\u1eddi l\u00e0m m\u1ecfng th\u00e0nh b\u1ecdt v\u00e0 khi\u1ebfn ch\u00fang v\u1ee1 ra. Do n\u01b0\u1edbc th\u1ea3i hi\u1ebfm khi trong s\u1ea1ch, ch\u1ea5t kh\u1eed b\u1ecdt c\u0169ng ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n c\u00f3 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng cao, \u0111\u1ed9 pH thay \u0111\u1ed5i, v\u00e0 \u0111\u00f4i khi l\u00e0 nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c \u0111\u1ed9 m\u1eb7n cao. Ch\u1ea5t kh\u1eed b\u1ecdt ph\u1ea3i th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y m\u00e0 kh\u00f4ng g\u00e2y \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn qu\u00e1 tr\u00ecnh x\u1eed l\u00fd sinh h\u1ecdc ho\u1eb7c t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1edbi \u1edf c\u00e1c c\u00f4ng \u0111o\u1ea1n x\u1eed l\u00fd ti\u1ebfp theo.<\/p>\n
Kh\u00f4ng ph\u1ea3i m\u1ecdi ch\u1ea5t kh\u1eed b\u1ecdt \u0111\u1ec1u ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh h\u1ecdc. C\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb silicone mang l\u1ea1i hi\u1ec7u qu\u1ea3 nhanh ch\u00f3ng ngay c\u1ea3 \u1edf li\u1ec1u l\u01b0\u1ee3ng th\u1ea5p, nh\u01b0ng m\u1ed9t s\u1ed1 lo\u1ea1i c\u00f3 th\u1ec3 t\u1ea1o l\u1edbp ph\u1ee7 tr\u00ean sinh kh\u1ed1i ho\u1eb7c l\u00e0m gi\u1ea3m qu\u00e1 tr\u00ecnh truy\u1ec1n oxy n\u1ebfu s\u1eed d\u1ee5ng qu\u00e1 li\u1ec1u, v\u00e0 ch\u00fang c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i qua h\u1ec7 th\u1ed1ng x\u1eed l\u00fd v\u00e0 th\u1ea3i ra ngu\u1ed3n n\u01b0\u1edbc ti\u1ebfp nh\u1eadn. Ch\u1ea5t kh\u1eed b\u1ecdt g\u1ed1c d\u1ea7u kho\u00e1ng ho\u1eb7c hydrocacbon r\u1ebb h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhu c\u1ea7u oxy h\u00f3a h\u1ecdc c\u1ee7a n\u01b0\u1edbc th\u1ea3i v\u00e0 \u0111\u00f4i khi c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh \u00e9p kh\u00f4 b\u00f9n. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, ng\u00e0y c\u00e0ng nhi\u1ec1u nh\u00e0 m\u00e1y chuy\u1ec3n sang s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb r\u01b0\u1ee3u b\u00e9o, d\u1ea7u th\u1ef1c v\u1eadt ho\u1eb7c polymer, v\u00ec ch\u00fang th\u00e2n thi\u1ec7n h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n \u0111\u1ed1i v\u1edbi sinh v\u1eadt th\u1ee7y sinh. C\u00e1c l\u1ef1a ch\u1ecdn n\u00e0y th\u01b0\u1eddng t\u01b0\u01a1ng th\u00edch h\u01a1n v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh sinh h\u1ecdc nh\u1ea1y c\u1ea3m, m\u1eb7c d\u00f9 c\u00f3 th\u1ec3 c\u1ea7n li\u1ec1u l\u01b0\u1ee3ng cao h\u01a1n m\u1ed9t ch\u00fat ho\u1eb7c ph\u1ea3i c\u1ea9n th\u1eadn h\u01a1n trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m s\u1eed d\u1ee5ng.<\/p>\n
Trong th\u1ef1c t\u1ebf, k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c khi l\u1ef1a ch\u1ecdn ch\u1ea5t kh\u1eed b\u1ecdt ph\u00f9 h\u1ee3p v\u1edbi ngu\u1ed3n t\u1ea1o b\u1ecdt v\u00e0 giai \u0111o\u1ea1n x\u1eed l\u00fd. Trong b\u1ec3 s\u1ee5c kh\u00ed, vi\u1ec7c b\u01a1m li\u1ec1u l\u01b0\u1ee3ng th\u1ea5p li\u00ean t\u1ee5c th\u01b0\u1eddng mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao h\u01a1n so v\u1edbi vi\u1ec7c b\u01a1m li\u1ec1u l\u01b0\u1ee3ng l\u1edbn \u0111\u1ed9t ng\u1ed9t. Nhi\u1ec1u nh\u00e0 m\u00e1y b\u01a1m ch\u1ea5t kh\u1eed b\u1ecdt tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ec3 s\u1ee5c kh\u00ed ho\u1eb7c ngay ph\u00eda th\u01b0\u1ee3ng l\u01b0u c\u1ee7a b\u1ec3 n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng k\u1ebft n\u1ed1i v\u1edbi c\u1ea3m bi\u1ebfn m\u1ee9c b\u1ecdt ho\u1eb7c b\u1ed9 h\u1eb9n gi\u1edd \u0111\u01a1n gi\u1ea3n. Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u00f9n ho\u1eb7c b\u1ec3 ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed, c\u00f3 th\u1ec3 c\u1ea7n m\u1ed9t s\u1ea3n ph\u1ea9m kh\u00e1c ho\u1eb7c li\u1ec1u l\u01b0\u1ee3ng cao h\u01a1n do th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a b\u1ecdt kh\u00e1c nhau. T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y nh\u1eefng tr\u01b0\u1eddng h\u1ee3p m\u00e0 m\u1ed9t ch\u1ea5t kh\u1eed b\u1ecdt duy nh\u1ea5t ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong b\u1ec3 s\u1ee5c kh\u00ed nh\u01b0ng l\u1ea1i g\u00e2y ra v\u1ea5n \u0111\u1ec1 trong b\u1ec3 l\u1eafng cu\u1ed1i c\u00f9ng v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1eb7c t\u00ednh l\u1eafng \u0111\u1ecdng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c th\u1eed nghi\u1ec7m trong b\u00ecnh v\u00e0 th\u1eed nghi\u1ec7m quy m\u00f4 nh\u1ecf tr\u00ean n\u01b0\u1edbc th\u1ef1c t\u1ebf c\u1ee7a nh\u00e0 m\u00e1y l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh s\u1eed d\u1ee5ng tr\u00ean quy m\u00f4 l\u1edbn.<\/p>\n
Li\u1ec1u l\u01b0\u1ee3ng th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 5 \u0111\u1ebfn 50 mg\/L t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng t\u1ea1o b\u1ecdt v\u00e0 n\u1ed3ng \u0111\u1ed9 s\u1ea3n ph\u1ea9m, nh\u01b0ng y\u1ebfu t\u1ed1 quan tr\u1ecdng th\u1ef1c s\u1ef1 l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ec1u \u0111\u1eb7n thay v\u00ec c\u1ed1 g\u1eafng \u0111\u1ea1t \u0111\u1ec9nh b\u1eb1ng c\u00e1ch b\u01a1m m\u1ed9t l\u01b0\u1ee3ng l\u1edbn \u0111\u1ed9t ng\u1ed9t. D\u00f9ng qu\u00e1 li\u1ec1u l\u00e0 m\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn \u2014 \u0111i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y l\u00e3ng ph\u00ed ti\u1ec1n b\u1ea1c m\u00e0 \u0111\u00f4i khi c\u00f2n l\u00e0m t\u00ecnh tr\u1ea1ng b\u1ecdt tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n ho\u1eb7c g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1eadn h\u00e0nh kh\u00e1c nh\u01b0 t\u0103ng kh\u1ed1i l\u01b0\u1ee3ng b\u00f9n ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn kh\u1eed tr\u00f9ng \u1edf c\u00e1c c\u00f4ng \u0111o\u1ea1n sau. D\u00f9ng li\u1ec1u l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ee7 s\u1ebd ch\u1ec9 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t n\u1eeda v\u1ea5n \u0111\u1ec1 b\u1ecdt. Nh\u1eefng ng\u01b0\u1eddi v\u1eadn h\u00e0nh gi\u1ecfi c\u0169ng ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c ch\u1ea5t kh\u1eed b\u1ecdt d\u00f9ng trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c c\u1ee7a nh\u00e0 m\u00e1y. M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh kh\u1eed tr\u00f9ng b\u1eb1ng tia UV ho\u1eb7c g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng mang theo v\u00e0o n\u01b0\u1edbc th\u1ea3i, vi ph\u1ea1m c\u00e1c gi\u1edbi h\u1ea1n x\u1ea3 th\u1ea3i \u0111\u1ecba ph\u01b0\u01a1ng v\u1ec1 d\u1ea7u ho\u1eb7c ch\u1ea5t ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t.<\/p>\n
Theo kinh nghi\u1ec7m, c\u00e1c nh\u00e0 m\u00e1y coi vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t kh\u1eed b\u1ecdt l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a quy tr\u00ecnh ki\u1ec3m so\u00e1t t\u1ed5ng th\u1ec3 thay v\u00ec ch\u1ec9 l\u00e0 m\u1ed9t b\u01b0\u1edbc b\u1ed5 sung th\u01b0\u1eddng \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. H\u1ecd theo d\u00f5i m\u1ee9c \u0111\u1ed9 b\u1ecdt c\u00f9ng v\u1edbi n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan, ch\u1ec9 s\u1ed1 th\u1ec3 t\u00edch b\u00f9n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc v\u00e0 sau khi th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i. H\u1ecd c\u0169ng h\u1ee3p t\u00e1c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p hi\u1ec3u r\u00f5 c\u1ea3 kh\u00eda c\u1ea1nh h\u00f3a h\u1ecdc l\u1eabn sinh h\u1ecdc trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, ch\u1ee9 kh\u00f4ng ch\u1ec9 nh\u1eefng \u0111\u01a1n v\u1ecb ch\u1ec9 b\u00e1n c\u00e1c ch\u1ea5t kh\u1eed b\u1ecdt c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng. T\u1ea1i m\u1ed9t nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb m\u00e0 t\u00f4i t\u1eebng l\u00e0m vi\u1ec7c, vi\u1ec7c chuy\u1ec3n t\u1eeb nh\u0169 t\u01b0\u01a1ng silicone ti\u00eau chu\u1ea9n sang s\u1ea3n ph\u1ea9m d\u1ef1a tr\u00ean axit b\u00e9o c\u00f3 m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 \u0111\u00e3 gi\u1ea3m h\u01a1n m\u1ed9t n\u1eeda c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn b\u1ecdt v\u00e0 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh truy\u1ec1n oxy \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng cho qu\u00e1 tr\u00ecnh s\u1ee5c kh\u00ed.<\/p>\n
T\u1ea5t nhi\u00ean, v\u1eabn c\u00f3 nh\u1eefng gi\u1edbi h\u1ea1n. Kh\u00f4ng c\u00f3 ch\u1ea5t kh\u1eed b\u1ecdt n\u00e0o c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 c\u00e1c v\u1ea5n \u0111\u1ec1 c\u01a1 b\u1ea3n nh\u01b0 vi\u1ec7c ki\u1ec3m so\u00e1t tu\u1ed5i b\u00f9n k\u00e9m ho\u1eb7c l\u01b0\u1ee3ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t qu\u00e1 cao t\u1eeb c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u01b0\u1ee3ng ngu\u1ed3n. C\u00e1c thi\u1ebft b\u1ecb ph\u00e1 b\u1ecdt c\u01a1 h\u1ecdc, h\u1ec7 th\u1ed1ng phun ho\u1eb7c thay \u0111\u1ed5i thi\u1ebft k\u1ebf b\u1ed9 khu\u1ebfch t\u00e1n kh\u00ed \u0111\u00f4i khi c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o h\u00f3a ch\u1ea5t. \u00c1p l\u1ef1c t\u1eeb c\u00e1c quy \u0111\u1ecbnh c\u0169ng \u0111ang th\u00fac \u0111\u1ea9y c\u00e1c nh\u00e0 m\u00e1y h\u01b0\u1edbng t\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn c\u00f3 \u0111\u1ed9c t\u00ednh th\u1ea5p h\u01a1n v\u00e0 d\u1ec5 ph\u00e2n h\u1ee7y sinh h\u1ecdc h\u01a1n, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m d\u1ea7u kho\u00e1ng c\u0169 \u0111ang d\u1ea7n b\u1ecb lo\u1ea1i b\u1ecf \u1edf nhi\u1ec1u khu v\u1ef1c.<\/p>\n
Cu\u1ed1i c\u00f9ng, vi\u1ec7c ki\u1ec3m so\u00e1t b\u1ecdt hi\u1ec7u qu\u1ea3 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c hi\u1ec3u r\u00f5 \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc c\u1ee5 th\u1ec3 c\u1ee7a b\u1ecdt, l\u1ef1a ch\u1ecdn ch\u1ea5t kh\u1eed b\u1ecdt ho\u1ea1t \u0111\u1ed9ng h\u00e0i h\u00f2a v\u1edbi h\u1ec7 vi sinh v\u1eadt thay v\u00ec c\u1ea3n tr\u1edf n\u00f3, v\u00e0 \u00e1p d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n t\u1ea1i c\u00e1c \u0111i\u1ec3m th\u00edch h\u1ee3p. Khi s\u1ef1 k\u1ebft h\u1ee3p \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang \u0111\u1eafn, nh\u00e0 m\u00e1y s\u1ebd v\u1eadn h\u00e0nh tr\u01a1n tru h\u01a1n, m\u1ee9c \u0111\u1ed9 an to\u00e0n \u0111\u01b0\u1ee3c n\u00e2ng cao, v\u00e0 b\u1ea1n s\u1ebd tr\u00e1nh \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng ph\u1ea3i li\u00ean t\u1ee5c \u201cch\u1eefa ch\u00e1y\u201d do c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ecdt th\u01b0\u1eddng g\u00e2y ra. N\u1ebfu b\u1ea1n \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng b\u1ecdt dai d\u1eb3ng, b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u1eabn gi\u1ed1ng nh\u01b0 l\u1eddi khuy\u00ean m\u00e0 t\u00f4i \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t trong nhi\u1ec1u n\u0103m qua: h\u00e3y d\u00e0nh th\u1eddi gian \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u1eb7c t\u00ednh c\u1ee7a b\u1ecdt v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m t\u01b0\u01a1ng th\u00edch th\u00edch h\u1ee3p tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh s\u1eed d\u1ee5ng m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3. N\u1ed7 l\u1ef1c ban \u0111\u1ea7u n\u00e0y h\u1ea7u nh\u01b0 lu\u00f4n mang l\u1ea1i k\u1ebft qu\u1ea3 l\u00e0 ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"
After more than twenty years working with industrial and municipal wastewater plants, I\u2019ve learned that foam is one of those […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-281","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/comments?post=281"}],"version-history":[{"count":1,"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/281\/revisions"}],"predecessor-version":[{"id":282,"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/posts\/281\/revisions\/282"}],"wp:attachment":[{"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/media?parent=281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/categories?post=281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/defoamingagent.net\/vi\/wp-json\/wp\/v2\/tags?post=281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}