L\u00e0 ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c l\u00e0m s\u1ea1ch n\u01b0\u1edbc, t\u00f4i s\u1ebd l\u00e0m r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng gi\u1eefa c\u00f4ng ngh\u1ec7 l\u1ecdc RO v\u00e0 UF. Hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho b\u1ea5t k\u1ef3 ai mu\u1ed1n ch\u1ecdn h\u1ec7 th\u1ed1ng l\u1ecdc ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean y\u00eau c\u1ea7u v\u00e0 ngu\u1ed3n l\u1ef1c c\u1ee5 th\u1ec3.<\/p>\n
B\u1ea1n s\u1ebd c\u00f3 l\u1ee3i khi t\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 ch\u1ebf l\u00e0m s\u1ea1ch, k\u00edch th\u01b0\u1edbc m\u00e0ng l\u1ecdc, hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 n\u01b0\u1edbc, \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 b\u1ea3o tr\u00ec, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, c\u0169ng nh\u01b0 c\u00e1c y\u1ebfu t\u1ed1 v\u1ec1 chi ph\u00ed v\u00e0 b\u1ea3o tr\u00ec c\u1ee7a c\u1ea3 h\u1ec7 th\u1ed1ng RO v\u00e0 UF. Ki\u1ebfn th\u1ee9c n\u00e0y s\u1ebd gi\u00fap h\u1ecd \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t khi l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 l\u1ecdc n\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n
<\/p>\n
Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c l\u00e0m s\u1ea1ch n\u01b0\u1edbc, Th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO)<\/em> v\u00e0 Si\u00eau l\u1ecdc (UF)<\/em> \u0111\u1ea1i di\u1ec7n cho 2 trong s\u1ed1 nh\u1eefng s\u00e1ng ki\u1ebfn ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1ed7i h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00e1c kh\u00e1i ni\u1ec7m \u0111\u1eb7c tr\u01b0ng v\u00e0 mang l\u1ea1i l\u1ee3i \u00edch \u0111\u1eb7c bi\u1ec7t t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. D\u01b0\u1edbi \u0111\u00e2y, t\u00f4i s\u1ebd l\u00e0m r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa c\u00f4ng ngh\u1ec7 l\u1ecdc RO v\u00e0 UF, d\u1ef1a tr\u00ean kinh nghi\u1ec7m \u0111\u00e1ng k\u1ec3 c\u1ee7a t\u00f4i trong l\u0129nh v\u1ef1c n\u00e0y.<\/p>\n S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa RO v\u00e0 UF ph\u1ee5 thu\u1ed9c v\u00e0o c\u01a1 ch\u1ebf l\u1ecdc c\u1ee7a ch\u00fang. RO s\u1eed d\u1ee5ng m\u00e0ng b\u00e1n th\u1ea5m \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ion, ph\u00e2n t\u1eed v\u00e0 c\u00e1c h\u1ea1t l\u1edbn h\u01a1n kh\u1ecfi n\u01b0\u1edbc u\u1ed1ng. Qu\u00e1 tr\u00ecnh n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u00e1p d\u1ee5ng \u00e1p l\u1ef1c \u0111\u1ec3 v\u01b0\u1ee3t qua \u00e1p l\u1ef1c th\u1ea9m th\u1ea5u, do \u0111\u00f3 cho ph\u00e9p c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc \u0111i qua trong khi gi\u1eef l\u1ea1i c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m.<\/p>\n Ng\u01b0\u1ee3c l\u1ea1i, UF s\u1eed d\u1ee5ng m\u1ed9t m\u00e0ng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1ed7 l\u1edbn h\u01a1n so v\u1edbi RO. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi \u00e1p l\u1ef1c th\u1ea5p h\u01a1n v\u00e0 lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 c\u00e1c ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng, vi khu\u1ea9n v\u00e0 m\u1ed9t s\u1ed1 ph\u00e2n t\u1eed h\u1eefu c\u01a1 l\u1edbn h\u01a1n. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf c\u00e1c mu\u1ed1i h\u00f2a tan ho\u1eb7c c\u00e1c ph\u00e2n t\u1eed nh\u1ecf m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u01b0 RO.<\/p>\n Hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc n\u00e0y ph\u1ee5 thu\u1ed9c l\u1edbn v\u00e0o k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c l\u1ed7 m\u00e0ng:<\/p>\n M\u1ed9t \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng l\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t n\u01b0\u1edbc. H\u1ec7 th\u1ed1ng RO th\u01b0\u1eddng y\u00eau c\u1ea7u nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n do \u00e1p l\u1ef1c cao c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea9y n\u01b0\u1edbc qua m\u00e0ng. Ngo\u00e0i ra, h\u1ec7 th\u1ed1ng RO t\u1ea1o ra l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i \u0111\u00e1ng k\u1ec3; v\u1edbi m\u1ed7i gallon n\u01b0\u1edbc \u0111\u00e3 l\u00e0m s\u1ea1ch, c\u00f3 th\u1ec3 m\u1ea5t nhi\u1ec1u gallon n\u01b0\u1edbc.<\/p>\n H\u1ec7 th\u1ed1ng UF, ng\u01b0\u1ee3c l\u1ea1i, ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p l\u1ef1c th\u1ea5p h\u01a1n v\u00e0 do \u0111\u00f3 ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n. Ch\u00fang c\u0169ng c\u00f3 t\u1ef7 l\u1ec7 thu h\u1ed3i n\u01b0\u1edbc cao h\u01a1n, t\u1ea1o ra \u00edt n\u01b0\u1edbc th\u1ea3i h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng RO.<\/p>\n H\u1ec7 th\u1ed1ng RO th\u01b0\u1eddng ph\u1ee9c t\u1ea1p h\u01a1n do y\u00eau c\u1ea7u c\u00e1c b\u01a1m \u00e1p l\u1ef1c cao v\u00e0 c\u00e1c c\u1ea5u h\u00ecnh l\u1ecdc ph\u1ee9c t\u1ea1p. S\u1ef1 ph\u1ee9c t\u1ea1p n\u00e0y d\u1eabn \u0111\u1ebfn y\u00eau c\u1ea7u b\u1ea3o tr\u00ec cao h\u01a1n v\u00e0 chi ph\u00ed cao h\u01a1n, bao g\u1ed3m vi\u1ec7c thay th\u1ebf \u0111\u1ecbnh k\u1ef3 c\u00e1c b\u1ed9 l\u1ecdc s\u01a1, m\u00e0ng RO v\u00e0 b\u1ed9 l\u1ecdc sau.<\/p>\n H\u1ec7 th\u1ed1ng UF \u0111\u01a1n gi\u1ea3n h\u01a1n v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh. Ch\u00fang y\u00eau c\u1ea7u \u00edt b\u1ea3o tr\u00ec h\u01a1n, ch\u1ee7 y\u1ebfu l\u00e0 v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 m\u00e0ng l\u1ecdc v\u00e0 thay th\u1ebf \u00edt th\u01b0\u1eddng xuy\u00ean h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng RO. \u0110i\u1ec1u n\u00e0y l\u00e0m cho h\u1ec7 th\u1ed1ng UF d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>\n Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc cao do m\u1ed7i h\u1ec7 th\u1ed1ng t\u1ea1o ra bi\u1ebfn \u0111\u1ed5i \u0111\u00e1ng k\u1ec3. RO cung c\u1ea5p n\u01b0\u1edbc tinh khi\u1ebft cao, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u lo\u1ea1i b\u1ecf h\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m, bao g\u1ed3m mu\u1ed1i h\u00f2a tan v\u00e0 kim lo\u1ea1i n\u1eb7ng. \u0110i\u1ec1u n\u00e0y l\u00e0m cho RO ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng, \u1ee9ng d\u1ee5ng d\u01b0\u1ee3c ph\u1ea9m v\u00e0 quy tr\u00ecnh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n UF, trong khi hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t l\u1edbn h\u01a1n v\u00e0 vi sinh v\u1eadt, kh\u00f4ng t\u1ea1o ra m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft nh\u01b0 RO. N\u00f3 ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 v\u1ea5n \u0111\u1ec1 ch\u00ednh l\u00e0 lo\u1ea1i b\u1ecf vi khu\u1ea9n v\u00e0 c\u00e1c ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 ti\u1ec1n x\u1eed l\u00fd cho c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc kh\u00e1c.<\/p>\n T\u00f3m l\u1ea1i, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa c\u00f4ng ngh\u1ec7 l\u1ecdc RO v\u00e0 UF d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 li\u00ean quan \u0111\u1ebfn lo\u1ea1i b\u1ecf ch\u1ea5t \u00f4 nhi\u1ec5m, hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng, c\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o tr\u00ec v\u00e0 y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/p>\n <\/p>\n Khi so s\u00e1nh RO (Th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c)<\/em> v\u00e0 UF (L\u1ecdc si\u00eau th\u1ea5m)<\/em> c\u00e1c h\u1ec7 th\u1ed1ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1ed1i c\u1ea3nh kh\u00e1c nhau. M\u1ed7i c\u00f4ng ngh\u1ec7 mang l\u1ea1i l\u1ee3i \u00edch \u0111\u1eb7c tr\u01b0ng t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc v\u00e0 k\u1ebft qu\u1ea3 mong mu\u1ed1n.<\/p>\n H\u1ec7 th\u1ed1ng RO<\/em> \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u lo\u1ea1i b\u1ecf nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u00f4 nhi\u1ec5m, bao g\u1ed3m mu\u1ed1i h\u00f2a tan, kim lo\u1ea1i n\u1eb7ng v\u00e0 nhi\u1ec1u h\u1ea1t t\u1ef1 nhi\u00ean. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1ecdc n\u01b0\u1edbc u\u1ed1ng<\/em> cho m\u1ee5c \u0111\u00edch d\u00e2n d\u1ee5ng, th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p. RO c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 kh\u1eed mu\u1ed1i, n\u01a1i c\u1ea7n lo\u1ea1i b\u1ecf mu\u1ed1i kh\u1ecfi n\u01b0\u1edbc m\u1eb7n ho\u1eb7c n\u01b0\u1edbc l\u1ee3 \u0111\u1ec3 t\u1ea1o ra n\u01b0\u1edbc u\u1ed1ng h\u1ee3p v\u1ec7 sinh.<\/p>\n Ng\u01b0\u1ee3c l\u1ea1i, H\u1ec7 th\u1ed1ng UF<\/em> th\u01b0\u1eddng ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1eadp trung v\u00e0o lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng, vi khu\u1ea9n v\u00e0 vi r\u00fat, thay v\u00ec c\u00e1c ion h\u00f2a tan. L\u1ecdc si\u00eau th\u1ea5m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/em>, v\u00ec n\u00f3 lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 vi sinh v\u1eadt v\u00e0 c\u00e1c h\u1ea1t b\u1ee5i, l\u00e0m cho n\u01b0\u1edbc an to\u00e0n \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng ho\u1eb7c x\u1ea3 th\u1ea3i. Ngo\u00e0i ra, UF c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, s\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m, v\u00e0 nh\u01b0 m\u1ed9t b\u01b0\u1edbc ti\u1ec1n x\u1eed l\u00fd cho h\u1ec7 th\u1ed1ng RO \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00e0ng RO kh\u1ecfi b\u1ecb b\u00e1m b\u1ea9n.<\/p>\n M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn gi\u1eefa h\u1ec7 th\u1ed1ng RO v\u00e0 UF l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea5p<\/em>. \u0110\u1ed1i v\u1edbi ngu\u1ed3n n\u01b0\u1edbc c\u00f3 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u00f4 nhi\u1ec5m h\u00f2a tan cao, h\u1ec7 th\u1ed1ng RO th\u01b0\u1eddng hi\u1ec7u qu\u1ea3 h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed1i v\u1edbi ngu\u1ed3n n\u01b0\u1edbc c\u00f3 h\u00e0m l\u01b0\u1ee3ng h\u1ee3p ch\u1ea5t h\u00f2a tan th\u1ea5p h\u01a1n nh\u01b0ng ch\u1ee9a nhi\u1ec1u h\u1ea1t r\u1eafn l\u01a1 l\u1eedng v\u00e0 vi khu\u1ea9n, h\u1ec7 th\u1ed1ng UF cung c\u1ea5p gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n C\u0169ng c\u1ea7n xem x\u00e9t \u0111\u1ebfn c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng<\/em>. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p m\u00e0 vi\u1ec7c thu h\u1ed3i n\u01b0\u1edbc v\u00e0 gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i l\u00e0 quan tr\u1ecdng, h\u1ec7 th\u1ed1ng UF c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n do t\u1ef7 l\u1ec7 thu h\u1ed3i cao h\u01a1n v\u00e0 l\u01b0\u1ee3ng ch\u1ea5t th\u1ea3i t\u1ea1o ra th\u1ea5p h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng RO. Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, ch\u1eb3ng h\u1ea1n nh\u01b0 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn ho\u1eb7c m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m, h\u1ec7 th\u1ed1ng RO th\u01b0\u1eddng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n T\u00f3m l\u1ea1i, t\u00ednh kh\u1ea3 thi c\u1ee7a h\u1ec7 th\u1ed1ng RO v\u00e0 UF ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng. Nh\u1eadn bi\u1ebft nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y cho ph\u00e9p l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 l\u1ecdc l\u00fd t\u01b0\u1edfng nh\u1ea5t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc mong mu\u1ed1n.<\/p>\n <\/p>\n Khi \u0111\u00e1nh gi\u00e1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa l\u1ecdc RO v\u00e0 UF<\/em>, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t chi ph\u00ed v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec c\u1ee7a t\u1eebng h\u1ec7 th\u1ed1ng. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 l\u1ee3i \u00edch l\u00e2u d\u00e0i c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p l\u1ecdc \u0111\u00e3 ch\u1ecdn.<\/p>\n Gi\u00e1 ban \u0111\u1ea7u:<\/strong> Chi ph\u00ed ban \u0111\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO) th\u01b0\u1eddng cao h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng si\u00eau l\u1ecdc (UF). \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p v\u00e0 c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u1ecdc RO, bao g\u1ed3m nhi\u1ec1u giai \u0111o\u1ea1n l\u1ecdc v\u00e0 m\u1ed9t m\u00e1y b\u01a1m \u00e1p su\u1ea5t cao. Ng\u01b0\u1ee3c l\u1ea1i, h\u1ec7 th\u1ed1ng UF th\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 chi ph\u00ed l\u1eafp \u0111\u1eb7t ph\u1ea3i ch\u0103ng h\u01a1n.<\/p>\n Chi ph\u00ed v\u1eadn h\u00e0nh:<\/strong> Ng\u00e2n s\u00e1ch v\u1eadn h\u00e0nh li\u00ean t\u1ee5c c\u0169ng kh\u00e1c nhau gi\u1eefa hai c\u00f4ng ngh\u1ec7. H\u1ec7 th\u1ed1ng RO \u0111\u00f2i h\u1ecfi nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n do \u00e1p su\u1ea5t cao c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea9y n\u01b0\u1edbc qua l\u1edbp m\u00e0ng b\u00e1n th\u1ea5m. Ngo\u00e0i ra, h\u1ec7 th\u1ed1ng RO th\u01b0\u1eddng t\u1ea1o ra n\u01b0\u1edbc th\u1ea3i c\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng chi ph\u00ed v\u1eadn h\u00e0nh. H\u1ec7 th\u1ed1ng UF ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p su\u1ea5t th\u1ea5p h\u01a1n v\u00e0 kh\u00f4ng t\u1ea1o ra n\u01b0\u1edbc th\u1ea3i, l\u00e0m cho ch\u00fang ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n.<\/p>\n Y\u00eau c\u1ea7u b\u1ea3o tr\u00ec:<\/strong> C\u1ea3 h\u1ec7 th\u1ed1ng RO v\u00e0 UF \u0111\u1ec1u y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u, nh\u01b0ng c\u00e1c chi ti\u1ebft c\u1ee5 th\u1ec3 kh\u00e1c nhau. H\u1ec7 th\u1ed1ng RO c\u00f3 nhi\u1ec1u th\u00e0nh ph\u1ea7n c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 l\u1ecdc s\u01a1 b\u1ed9, l\u1edbp m\u00e0ng v\u00e0 b\u1ec3 ch\u1ee9a. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc h\u00e0ng \u0111\u1ea7u. H\u1ec7 th\u1ed1ng UF, v\u1edbi \u00edt th\u00e0nh ph\u1ea7n h\u01a1n, c\u00f3 xu h\u01b0\u1edbng d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n. Tuy nhi\u00ean, m\u00e0ng c\u1ee7a ch\u00fang c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u1eb7c thay th\u1ebf \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ng\u0103n ng\u1eeba t\u1eafc ngh\u1ebdn v\u00e0 duy tr\u00ec hi\u1ec7u qu\u1ea3 thanh l\u1ecdc.<\/p>\n Tu\u1ed5i th\u1ecd B\u1ed9 ph\u1eadn:<\/strong> Tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn l\u1ecdc c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng th\u00eam \u0111\u1ebfn l\u1ecbch tr\u00ecnh v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec. M\u00e0ng RO th\u01b0\u1eddng k\u00e9o d\u00e0i t\u1eeb 2 \u0111\u1ebfn 5 n\u0103m, t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 m\u1ee9c \u0111\u1ed9 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng. B\u1ed9 l\u1ecdc ti\u1ec1n trong h\u1ec7 th\u1ed1ng RO c\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf th\u01b0\u1eddng xuy\u00ean h\u01a1n, kho\u1ea3ng m\u1ed7i 6 th\u00e1ng \u0111\u1ebfn 1 n\u0103m. M\u00e0ng UF, m\u1eb7t kh\u00e1c, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn 5 n\u0103m v\u1edbi vi\u1ec7c b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch, v\u00e0 t\u1ea7n su\u1ea5t l\u00e0m s\u1ea1ch ho\u1eb7c thay th\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc c\u1ee5 th\u1ec3 v\u00e0 m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m.<\/p>\n T\u00f3m l\u1ea1i, trong khi h\u1ec7 th\u1ed1ng RO c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn chi ph\u00ed ban \u0111\u1ea7u v\u00e0 v\u1eadn h\u00e0nh cao h\u01a1n c\u00f9ng v\u1edbi vi\u1ec7c b\u1ea3o tr\u00ec ph\u1ee9c t\u1ea1p h\u01a1n, ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng l\u1ecdc ti\u00ean ti\u1ebfn quan tr\u1ecdng \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec1u lo\u1ea1i t\u1ea1p ch\u1ea5t h\u01a1n. H\u1ec7 th\u1ed1ng UF, m\u1eb7c d\u00f9 \u00edt t\u1ed1n k\u00e9m h\u01a1n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 m\u1ee9c \u0111\u1ed9 l\u1ecdc th\u1ea5p h\u01a1n l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. Hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng l\u1ecdc ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean y\u00eau c\u1ea7u v\u00e0 ngu\u1ed3n l\u1ef1c c\u1ee5 th\u1ec3.<\/p>\n <\/p>\n Khi n\u00f3i \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 lo\u1ea1i b\u1ecf ch\u1ea5t \u00f4 nhi\u1ec5m<\/em>, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO)<\/em> v\u00e0 Si\u00eau l\u1ecdc (UF)<\/em> l\u00e0 \u0111\u00e1ng k\u1ec3. Hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ec3 ch\u1ecdn h\u1ec7 th\u1ed1ng ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n Th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO)<\/em> \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u00f4 nhi\u1ec5m, bao g\u1ed3m mu\u1ed1i h\u00f2a tan, kim lo\u1ea1i n\u1eb7ng, vi sinh v\u1eadt, vi r\u00fat, v\u00e0 h\u1ee3p ch\u1ea5t t\u1ef1 nhi\u00ean<\/em>. M\u1ee9c \u0111\u1ed9 l\u1ecdc cao n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi m\u00e0ng b\u00e1n th\u1ea5m cho ph\u00e9p ch\u1ec9 c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc \u0111i qua, lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 c\u00e1c h\u1ea1t nh\u1ecf t\u1edbi 0.0001 micron. Do \u0111\u00f3, h\u1ec7 th\u1ed1ng RO c\u00f3 th\u1ec3 t\u1ea1o ra n\u01b0\u1edbc g\u1ea7n nh\u01b0 tinh khi\u1ebft, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u n\u01b0\u1edbc ch\u1ea5t l\u01b0\u1ee3ng cao, nh\u01b0 trong ph\u00f2ng th\u00ed nghi\u1ec7m, d\u01b0\u1ee3c ph\u1ea9m, v\u00e0 c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p nh\u1ea5t \u0111\u1ecbnh.<\/p>\n Ng\u01b0\u1ee3c l\u1ea1i, Si\u00eau l\u1ecdc (UF)<\/em> s\u1eed d\u1ee5ng m\u1ed9t m\u00e0ng c\u00f3 l\u1ed7 l\u1edbn h\u01a1n, th\u01b0\u1eddng kho\u1ea3ng 0.01 \u0111\u1ebfn 0.1 micron, cho ph\u00e9p l\u1ecdc c\u00e1c h\u1ea1t l\u1edbn h\u01a1n, vi khu\u1ea9n, v\u00e0 m\u1ed9t s\u1ed1 vi r\u00fat<\/em>, tuy nhi\u00ean kh\u00f4ng lo\u1ea1i b\u1ecf mu\u1ed1i h\u00f2a tan ho\u1eb7c c\u00e1c ph\u00e2n t\u1eed t\u1ef1 nhi\u00ean nh\u1ecf h\u01a1n. H\u1ec7 th\u1ed1ng UF hi\u1ec7u qu\u1ea3 trong vi\u1ec7c n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh th\u1ee9c c\u1ee7a n\u01b0\u1edbc b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf \u0111\u1ee5c, h\u1ea1t r\u1eafn v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m vi sinh v\u1eadt. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y l\u00e0 \u0111\u1ee7, nh\u01b0 trong x\u1eed l\u00fd n\u01b0\u1edbc c\u1ed9ng \u0111\u1ed3ng, l\u00e0m s\u1ea1ch n\u01b0\u1edbc sinh ho\u1ea1t, v\u00e0 ti\u1ec1n x\u1eed l\u00fd cho h\u1ec7 th\u1ed1ng RO.<\/p>\n M\u1ed9t trong nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m m\u00e0 m\u1ed7i h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf \u0111\u00fang c\u00e1ch. Trong khi RO cung c\u1ea5p qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch chi ti\u1ebft, hi\u1ec7u qu\u1ea3 trong vi\u1ec7c t\u1ea1o ra g\u1ea7n nh\u01b0 n\u01b0\u1edbc c\u1ea5t, UF t\u1eadp trung v\u00e0o vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m l\u1edbn h\u01a1n v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f9ng an to\u00e0n vi sinh v\u1eadt. Do \u0111\u00f3, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa RO v\u00e0 UF ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c t\u1ea1p ch\u1ea5t t\u1ed3n t\u1ea1i trong n\u01b0\u1edbc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao mong mu\u1ed1n c\u1ee7a n\u01b0\u1edbc \u0111\u1ea7u ra.<\/p>\n Ngo\u00e0i ra, l\u1ef1a ch\u1ecdn gi\u1eefa RO v\u00e0 UF<\/em> c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1edf th\u00edch v\u00e0 h\u00e0m l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t c\u1ee7a n\u01b0\u1edbc. H\u1ec7 th\u1ed1ng RO, b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf h\u1ea7u h\u1ebft c\u00e1c kho\u00e1ng ch\u1ea5t h\u00f2a tan, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn n\u01b0\u1edbc c\u00f3 v\u1ecb nh\u1ea1t \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ng\u01b0\u1eddi ti\u00eau d\u00f9ng. Ng\u01b0\u1ee3c l\u1ea1i, h\u1ec7 th\u1ed1ng UF gi\u1eef l\u1ea1i c\u00e1c kho\u00e1ng ch\u1ea5t n\u00e0y, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn n\u01b0\u1edbc ngon h\u01a1n trong khi v\u1eabn an to\u00e0n \u0111\u1ec3 u\u1ed1ng.<\/p>\n T\u00f3m l\u1ea1i, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa RO v\u00e0 UF ph\u1ea3i d\u1ef1a tr\u00ean ph\u00e2n t\u00edch ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc hi\u1ec7n t\u1ea1i v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng. C\u1ea3 hai c\u00f4ng ngh\u1ec7 \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m m\u1ea1nh v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau, l\u00e0m cho vi\u1ec7c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c y\u00eau c\u1ea7u tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ec3 ch\u1ecdn ra h\u1ec7 th\u1ed1ng ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n <\/p>\n S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh n\u1eb1m \u1edf c\u01a1 ch\u1ebf l\u1ecdc c\u1ee7a ch\u00fang. RO s\u1eed d\u1ee5ng m\u00e0ng b\u00e1n th\u1ea5m \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ion, ph\u00e2n t\u1eed v\u00e0 c\u00e1c h\u1ea1t l\u1edbn h\u01a1n kh\u1ecfi n\u01b0\u1edbc u\u1ed1ng, trong khi UF s\u1eed d\u1ee5ng m\u00e0ng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1ed7 l\u1edbn h\u01a1n \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng, vi khu\u1ea9n v\u00e0 m\u1ed9t s\u1ed1 ph\u00e2n t\u1eed h\u1eefu c\u01a1 l\u1edbn h\u01a1n.<\/p>\n H\u1ec7 th\u1ed1ng RO c\u00f3 k\u00edch th\u01b0\u1edbc l\u1ed7 m\u00e0ng l\u00e0 0.0001 micron, trong khi h\u1ec7 th\u1ed1ng UF c\u00f3 k\u00edch th\u01b0\u1edbc l\u1ed7 t\u1eeb 0.01 \u0111\u1ebfn 0.1 micron.<\/p>\n H\u1ec7 th\u1ed1ng RO th\u01b0\u1eddng y\u00eau c\u1ea7u nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n do \u00e1p su\u1ea5t cao v\u00e0 t\u1ea1o ra nhi\u1ec1u n\u01b0\u1edbc th\u1ea3i h\u01a1n, trong khi UF ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p su\u1ea5t th\u1ea5p h\u01a1n, ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 c\u00f3 t\u1ef7 l\u1ec7 thu h\u1ed3i n\u01b0\u1edbc cao h\u01a1n.<\/p>\n H\u1ec7 th\u1ed1ng RO ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec cao h\u01a1n do c\u1ea5u h\u00ecnh l\u1ecdc ph\u1ee9c t\u1ea1p, trong khi h\u1ec7 th\u1ed1ng UF \u0111\u01a1n gi\u1ea3n h\u01a1n v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh, y\u00eau c\u1ea7u b\u1ea3o tr\u00ec \u00edt h\u01a1n.<\/p>\n RO cung c\u1ea5p n\u01b0\u1edbc tinh khi\u1ebft cao, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u lo\u1ea1i b\u1ecf g\u1ea7n nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m, bao g\u1ed3m mu\u1ed1i h\u00f2a tan v\u00e0 kim lo\u1ea1i n\u1eb7ng. UF, trong khi hi\u1ec7u qu\u1ea3 trong vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t l\u1edbn h\u01a1n v\u00e0 m\u1ea7m b\u1ec7nh, kh\u00f4ng t\u1ea1o ra m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft t\u01b0\u01a1ng t\u1ef1 nh\u01b0 RO.<\/p>\n H\u1ec7 th\u1ed1ng RO ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u lo\u1ea1i b\u1ecf nhi\u1ec1u lo\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m, bao g\u1ed3m mu\u1ed1i h\u00f2a tan, kim lo\u1ea1i n\u1eb7ng v\u00e0 c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 kh\u00e1c nhau. H\u1ec7 th\u1ed1ng UF th\u01b0\u1eddng ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1eadp trung v\u00e0o lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng, vi khu\u1ea9n v\u00e0 virus, thay v\u00ec c\u00e1c ion h\u00f2a tan.<\/p>\n H\u1ec7 th\u1ed1ng RO c\u00f3 chi ph\u00ed ban \u0111\u1ea7u v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh cao h\u01a1n v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec ph\u1ee9c t\u1ea1p h\u01a1n, trong khi h\u1ec7 th\u1ed1ng UF c\u00f3 chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/p>\n H\u1ec7 th\u1ed1ng RO c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec1u lo\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m, bao g\u1ed3m mu\u1ed1i h\u00f2a tan, kim lo\u1ea1i n\u1eb7ng, vi khu\u1ea9n, virus v\u00e0 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, trong khi h\u1ec7 th\u1ed1ng UF t\u1eadp trung v\u00e0o lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t l\u1edbn h\u01a1n, vi khu\u1ea9n v\u00e0 m\u1ed9t s\u1ed1 virus, nh\u01b0ng kh\u00f4ng lo\u1ea1i b\u1ecf mu\u1ed1i h\u00f2a tan ho\u1eb7c c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 nh\u1ecf h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":" As someone with extensive experience in water purification, I will elucidate the vital differences between RO and UF filtering technologies. Understanding these differences is crucial for anyone looking to choose the most suitable filtration system based on specific requirements and resources. You will benefit from learning about the purification mechanisms, membrane pore sizes, energy and […]<\/p>\n","protected":false},"author":1,"featured_media":2894,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2889","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/posts\/2889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/comments?post=2889"}],"version-history":[{"count":2,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/posts\/2889\/revisions"}],"predecessor-version":[{"id":2891,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/posts\/2889\/revisions\/2891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/media\/2894"}],"wp:attachment":[{"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/media?parent=2889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/categories?post=2889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/tags?post=2889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}C\u01a1 ch\u1ebf l\u1ecdc<\/h3>\n
K\u00edch th\u01b0\u1edbc l\u1ed7 m\u00e0ng<\/h3>\n
\n\n
\n C\u00f4ng ngh\u1ec7<\/th>\n K\u00edch th\u01b0\u1edbc l\u1ed7<\/th>\n Ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf<\/th>\n<\/tr>\n \n RO<\/td>\n 0,0001 micron<\/td>\n Ion, kim lo\u1ea1i n\u1eb7ng, mu\u1ed1i h\u00f2a tan, vi khu\u1ea9n, virus<\/td>\n<\/tr>\n \n UF<\/td>\n 0.01 \u0111\u1ebfn 0.1 micron<\/td>\n Vi khu\u1ea9n, protozoa, m\u1ed9t s\u1ed1 virus, ph\u00e2n t\u1eed h\u1eefu c\u01a1 l\u1edbn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 n\u01b0\u1edbc<\/h3>\n
\u0110\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 B\u1ea3o tr\u00ec<\/h3>\n
Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/h3>\n
\u1ee8ng d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb RO v\u00e0 UF<\/h2>\n
Chi ph\u00ed v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o tr\u00ec c\u1ea7n xem x\u00e9t \u0111\u1ed1i v\u1edbi b\u1ed9 l\u1ecdc RO v\u00e0 UF<\/h2>\n
\n\n
\n Ph\u00e9p l\u1ecbch s\u1ef1<\/th>\n L\u1ecdc RO<\/th>\n L\u1ecdc UF<\/th>\n<\/tr>\n \n Gi\u00e1 \u0111\u1ea7u ti\u00ean<\/td>\n Cao h\u01a1n<\/td>\n Th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n \n Chi ph\u00ed v\u1eadn h\u00e0nh<\/td>\n Cao h\u01a1n<\/td>\n Th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n \n Ti\u00eau th\u1ee5 N\u0103ng l\u01b0\u1ee3ng<\/td>\n Cao<\/td>\n Th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n \n \u0110\u1ed9 ph\u1ee9c t\u1ea1p B\u1ea3o tr\u00ec<\/td>\n Cao<\/td>\n Th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n \n S\u1ea3n xu\u1ea5t Ch\u1ea5t th\u1ea3i<\/td>\n C\u00f3<\/td>\n No<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 Lo\u1ea1i b\u1ecf T\u1ea1p ch\u1ea5t: RO so v\u1edbi UF<\/h2>\n
\n\n
\n Ph\u01b0\u01a1ng ph\u00e1p L\u1ecdc<\/th>\n K\u00edch th\u01b0\u1edbc l\u1ed7<\/th>\n Ch\u1ea5t \u00f4 nhi\u1ec5m Lo\u1ea1i b\u1ecf<\/th>\n C\u00e1c \u1ee8ng d\u1ee5ng Th\u01b0\u1eddng xuy\u00ean<\/th>\n<\/tr>\n \n Th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO)<\/td>\n 0,0001 micron<\/td>\n C\u00e1c mu\u1ed1i h\u00f2a tan, kim lo\u1ea1i n\u1eb7ng, vi khu\u1ea9n, nhi\u1ec5m tr\u00f9ng, ch\u1ea5t h\u1eefu c\u01a1<\/td>\n Ph\u00f2ng th\u00ed nghi\u1ec7m, thu\u1ed1c, quy tr\u00ecnh c\u00f4ng nghi\u1ec7p<\/td>\n<\/tr>\n \n Si\u00eau l\u1ecdc (UF)<\/td>\n 0.01-0.1 micron<\/td>\n H\u1ea1t b\u1ee5i, vi khu\u1ea9n, m\u1ed9t s\u1ed1 nhi\u1ec5m tr\u00f9ng<\/td>\n Li\u1ec7u ph\u00e1p n\u01b0\u1edbc \u0111\u00f4 th\u1ecb, x\u1eed l\u00fd n\u01b0\u1edbc cho b\u1ea5t \u0111\u1ed9ng s\u1ea3n, ti\u1ec1n x\u1eed l\u00fd cho RO<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00f4ng ngh\u1ec7 l\u1ecdc RO v\u00e0 UF<\/h2>\n
S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa c\u01a1 ch\u1ebf l\u1ecdc RO v\u00e0 UF l\u00e0 g\u00ec?<\/h3>\n
K\u00edch th\u01b0\u1edbc l\u1ed7 m\u00e0ng c\u1ee7a h\u1ec7 th\u1ed1ng RO v\u00e0 UF kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 n\u01b0\u1edbc gi\u1eefa h\u1ec7 th\u1ed1ng RO v\u00e0 UF l\u00e0 g\u00ec?<\/h3>\n
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec c\u1ee7a h\u1ec7 th\u1ed1ng RO v\u00e0 UF l\u00e0 g\u00ec?<\/h3>\n
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u1ec7 th\u1ed1ng RO v\u00e0 UF l\u00e0 g\u00ec?<\/h3>\n
C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 v\u00e0 t\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a h\u1ec7 th\u1ed1ng RO v\u00e0 UF l\u00e0 g\u00ec?<\/h3>\n
Chi ph\u00ed ban \u0111\u1ea7u, chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec c\u1ee7a h\u1ec7 th\u1ed1ng RO v\u00e0 UF kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m gi\u1eefa h\u1ec7 th\u1ed1ng RO v\u00e0 UF l\u00e0 g\u00ec?<\/h3>\n