{"id":3742,"date":"2024-07-08T03:46:34","date_gmt":"2024-07-08T03:46:34","guid":{"rendered":"https:\/\/driplifecorp.com\/?p=3742"},"modified":"2024-07-08T03:46:34","modified_gmt":"2024-07-08T03:46:34","slug":"ph-of-ro-water-levels-testing-and-adjustment","status":"publish","type":"post","link":"https:\/\/driplifecorp.com\/vi\/ph-of-ro-water-levels-testing-and-adjustment\/","title":{"rendered":"pH c\u1ee7a n\u01b0\u1edbc RO: M\u1ee9c \u0111\u1ed9, ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh"},"content":{"rendered":"<p>B\u00e0i vi\u1ebft \u0111i s\u00e2u v\u00e0o pH c\u1ee7a n\u01b0\u1edbc RO, tr\u00ecnh b\u00e0y ph\u1ea1m vi \u0111i\u1ec3n h\u00ecnh t\u1eeb 5.0 \u0111\u1ebfn 7.0 v\u00e0 gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao n\u00f3 c\u00f3 xu h\u01b0\u1edbng h\u01a1i axit. N\u00f3 l\u00e0m n\u1ed5i b\u1eadt c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc, CO<sub>2<\/sub> n\u1ed9i dung, v\u00e0 hi\u1ec7u qu\u1ea3 m\u00e0ng l\u1ecdc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn pH c\u1ee7a n\u01b0\u1edbc RO. B\u00e0i vi\u1ebft c\u0169ng th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra pH t\u1ea1i nh\u00e0, nh\u01b0 s\u1eed d\u1ee5ng d\u1ea3i pH, \u0111\u1ed3ng h\u1ed3 k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 b\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra pH.<\/p>\n<p>B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c l\u1ee3i \u00edch t\u1eeb b\u00e0i vi\u1ebft n\u00e0y b\u1eb1ng c\u00e1ch c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn pH c\u1ee7a n\u01b0\u1edbc RO v\u00e0 c\u00e1ch ki\u1ec3m tra ch\u00ednh x\u00e1c. Ngo\u00e0i ra, b\u00e0i vi\u1ebft cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p th\u1ef1c t\u1ebf \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH, l\u00e0m cho th\u00f4ng tin n\u00e0y r\u1ea5t h\u1eefu \u00edch cho nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ec3 u\u1ed1ng, n\u1ea5u \u0103n ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t nh\u01b0 b\u1ec3 c\u00e1. T\u1eeb kh\u00f3a \u201cph of ro water\u201d \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0o n\u1ed9i dung, \u0111\u1ea3m b\u1ea3o t\u00ednh ph\u00f9 h\u1ee3p v\u00e0 r\u00f5 r\u00e0ng.<\/p>\n<h2>C\u00e1c \u0111i\u1ec3m ch\u00ednh<\/h2>\n<ul>\n<li>pH c\u1ee7a n\u01b0\u1edbc RO: 5.0 \u2013 7.0<\/li>\n<li>N\u01b0\u1edbc RO h\u01a1i axit<\/li>\n<li>Thang \u0111o pH: 0 \u0111\u1ebfn 14<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn pH<\/li>\n<li>CO<sub>2<\/sub> gi\u1ea3m pH<\/li>\n<li>Hi\u1ec7u qu\u1ea3 m\u00e0ng l\u1ecdc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn pH<\/li>\n<li>X\u1eed l\u00fd sau \u0111i\u1ec1u ch\u1ec9nh pH<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n l\u01b0u tr\u1eef \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn pH<\/li>\n<li>Ki\u1ec3m tra pH b\u1eb1ng d\u1ea3i, \u0111\u1ed3ng h\u1ed3, b\u1ed9 d\u1ee5ng c\u1ee5<\/li>\n<li>B\u1ed9 l\u1ecdc ki\u1ec1m n\u00e2ng cao pH<\/li>\n<li>B\u1ed9t baking soda t\u0103ng pH<\/li>\n<li>Gi\u1ea3m pH \u0111i\u1ec1u ch\u1ec9nh pH<\/li>\n<li>Pha tr\u1ed9n v\u1edbi n\u01b0\u1edbc kho\u00e1ng c\u00e2n b\u1eb1ng pH<\/li>\n<li>B\u1ed9 l\u1ecdc remineralization b\u1ed5 sung kho\u00e1ng ch\u1ea5t<\/li>\n<li>S\u1ee5c kh\u00ed nh\u1eb9 n\u00e2ng cao pH<\/li>\n<li>N\u01b0\u1edbc RO h\u01a1i axit an to\u00e0n<\/li>\n<li>Thay \u0111\u1ed5i \u0111\u1ed9 pH theo th\u1eddi gian do kh\u00f4ng kh\u00ed<\/li>\n<li>N\u01b0\u1edbc RO ph\u00f9 h\u1ee3p cho b\u1ec3 c\u00e1 v\u1edbi c\u00e1c \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<\/ul>\n<p>&#8220;&#8216; .<\/p>\n<h2>M\u1ee9c \u0111\u1ed9 pH \u0111i\u1ec3n h\u00ecnh c\u1ee7a n\u01b0\u1edbc RO l\u00e0 bao nhi\u00eau?<\/h2>\n<p>N\u01b0\u1edbc th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO) n\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1ed9 tinh khi\u1ebft, \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch \u0111\u01b0a n\u01b0\u1edbc qua l\u1edbp m\u00e0ng b\u00e1n th\u1ea5m \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 t\u1ea1p ch\u1ea5t. Do \u0111\u00f3, <em>\u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO<\/em> th\u01b0\u1eddng dao \u0111\u1ed9ng trong kho\u1ea3ng <em>5.0 \u0111\u1ebfn 7.0<\/em>. M\u1ee9c \u0111\u1ed9 pH n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i do nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m ch\u1ea5t l\u01b0\u1ee3ng ban \u0111\u1ea7u c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng RO.<\/p>\n<p>Thang \u0111o pH dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 14, trong \u0111\u00f3 7 \u0111\u01b0\u1ee3c coi l\u00e0 trung t\u00ednh. N\u01b0\u1edbc c\u00f3 pH th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi 7 l\u00e0 axit, trong khi pH cao h\u01a1n 7 l\u00e0 ki\u1ec1m. V\u00ec n\u01b0\u1edbc RO th\u01b0\u1eddng gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi pH trung t\u00ednh 7, n\u00ean th\u01b0\u1eddng <em>h\u01a1i c\u00f3 t\u00ednh axit<\/em>. T\u00ednh axit n\u00e0y ch\u1ee7 y\u1ebfu do vi\u1ec7c lo\u1ea1i b\u1ecf h\u00e0m l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t, v\u1ed1n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u00e0ng r\u00e0o \u0111\u1ec3 trung h\u00f2a pH c\u1ee7a n\u01b0\u1edbc.<\/p>\n<table>\n<tbody>\n<tr>\n<th>M\u1ee9c \u0111\u1ed9 pH<\/th>\n<th>Lo\u1ea1i n\u01b0\u1edbc<\/th>\n<\/tr>\n<tr>\n<td>0 &#8211; 3<\/td>\n<td>R\u1ea5t Axit<\/td>\n<\/tr>\n<tr>\n<td>4 &#8211; 6<\/td>\n<td>Axit<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>Trung t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td>8 &#8211; 10<\/td>\n<td>Ki\u1ec1m<\/td>\n<\/tr>\n<tr>\n<td>11 &#8211; 14<\/td>\n<td>R\u1ea5t Ki\u1ec1m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 trong khi <em>N\u01b0\u1edbc RO<\/em> thi\u1ebfu nhi\u1ec1u ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m, n\u00f3 c\u0169ng kh\u00f4ng ch\u1ee9a c\u00e1c kho\u00e1ng ch\u1ea5t thi\u1ebft y\u1ebfu nh\u01b0 canxi v\u00e0 magi\u00ea, th\u01b0\u1eddng c\u00f3 trong c\u00e1c ngu\u1ed3n n\u01b0\u1edbc t\u1ef1 nhi\u00ean. Nh\u1eefng kho\u00e1ng ch\u1ea5t n\u00e0y g\u00f3p ph\u1ea7n v\u00e0o kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ee1 c\u1ee7a n\u01b0\u1edbc, gi\u00fap duy tr\u00ec pH trung t\u00ednh h\u01a1n. Kh\u00f4ng c\u00f3 c\u00e1c kho\u00e1ng ch\u1ea5t n\u00e0y, n\u01b0\u1edbc RO c\u00f3 xu h\u01b0\u1edbng d\u1ec5 b\u1ecb thay \u0111\u1ed5i pH nh\u1eb9 khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, v\u00ec carbon dioxide c\u00f3 th\u1ec3 h\u00f2a tan v\u00e0o n\u01b0\u1edbc, t\u1ea1o th\u00e0nh axit cacbonic v\u00e0 do \u0111\u00f3 l\u00e0m gi\u1ea3m pH.<\/p>\n<p>Hi\u1ec3u r\u00f5 m\u1ee9c \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO l\u00e0 r\u1ea5t quan tr\u1ecdng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c th\u1ecb tr\u01b0\u1eddng y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u00ednh x\u00e1c, nh\u01b0 d\u01b0\u1ee3c ph\u1ea9m v\u00e0 \u0111i\u1ec7n t\u1eed. Trong c\u00e1c thi\u1ebft l\u1eadp t\u1ea1i nh\u00e0, t\u00ednh axit nh\u1eb9 c\u1ee7a n\u01b0\u1edbc RO th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 an to\u00e0n \u0111\u1ec3 u\u1ed1ng, m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 th\u1ec3 mu\u1ed1n \u0111i\u1ec1u ch\u1ec9nh pH cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1ee9c kh\u1ecfe ho\u1eb7c s\u1edf th\u00edch ri\u00eang.<\/p>\n<p>&nbsp;<\/p>\n<h2>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO<\/h2>\n<p>N\u01b0\u1edbc th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO) th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 pH trung t\u00ednh \u0111\u1ebfn h\u01a1i axit, nh\u01b0ng nhi\u1ec1u y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 pH ch\u00ednh x\u00e1c c\u1ee7a n\u00f3. Hi\u1ec3u r\u00f5 c\u00e1c bi\u1ebfn n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc mong mu\u1ed1n.<\/p>\n<h3>1. Ngu\u1ed3n n\u01b0\u1edbc ch\u1ea5t l\u01b0\u1ee3ng cao<\/h3>\n<p>\u0110\u1ed9 pH c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO. N\u1ebfu ngu\u1ed3n n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 pH cao ho\u1eb7c th\u1ea5p, qu\u00e1 tr\u00ecnh RO s\u1ebd l\u00e0m gi\u1ea3m b\u1edbt c\u00e1c m\u1ee9c \u0111\u1ed9 c\u1ef1c \u0111oan n\u00e0y, nh\u01b0ng m\u1ee9c \u0111\u1ed9 pH ban \u0111\u1ea7u v\u1eabn s\u1ebd \u1ea3nh h\u01b0\u1edfng r\u00f5 r\u1ec7t \u0111\u1ebfn \u0111\u1ed9 pH cu\u1ed1i c\u00f9ng c\u1ee7a n\u01b0\u1edbc RO.<\/p>\n<h3>2. H\u00e0m l\u01b0\u1ee3ng CO<sub>2<\/sub> Content<\/h3>\n<p>N\u1ed3ng \u0111\u1ed9 kh\u00ed carbon dioxide trong n\u01b0\u1edbc c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a n\u00f3. Trong qu\u00e1 tr\u00ecnh RO, CARBON DIOXIDE<sub>2<\/sub> c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng di chuy\u1ec3n qua m\u00e0ng l\u1ecdc h\u01a1n c\u00e1c ch\u1ea5t r\u1eafn h\u00f2a tan kh\u00e1c, d\u1eabn \u0111\u1ebfn t\u0103ng \u0111\u1ed9 axit. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc l\u1ecdc th\u1ea5p h\u01a1n.<\/p>\n<h3>3. Lo\u1ea1i v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng l\u1ecdc<\/h3>\n<p>Lo\u1ea1i v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u00e0ng l\u1ecdc RO s\u1eed d\u1ee5ng c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH. C\u00e1c lo\u1ea1i m\u00e0ng kh\u00e1c nhau c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1c nhau trong vi\u1ec7c t\u1eeb ch\u1ed1i c\u00e1c ion v\u00e0 ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng bi\u1ebfn \u0111\u1ed5i nh\u1eb9 trong \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc \u0111\u1ea7u ra. C\u00e1c m\u00e0ng l\u1ecdc hi\u1ec7u qu\u1ea3 h\u01a1n th\u01b0\u1eddng t\u1ea1o ra n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 pH g\u1ea7n trung t\u00ednh h\u01a1n.<\/p>\n<h3>4. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd sau<\/h3>\n<p>Sau qu\u00e1 tr\u00ecnh RO, n\u01b0\u1edbc th\u01b0\u1eddng tr\u1ea3i qua c\u00e1c qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1ed5 sung, nh\u01b0 t\u00e1i kho\u00e1ng ho\u1eb7c ki\u1ec1m h\u00f3a, \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a n\u00f3. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd sau n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea9u v\u1ecb v\u00e0 n\u00e2ng cao \u0111\u1ed9 pH l\u00ean m\u1ee9c mong mu\u1ed1n. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m th\u00eam kho\u00e1ng ch\u1ea5t tr\u1edf l\u1ea1i v\u00e0o n\u01b0\u1edbc ho\u1eb7c s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc ki\u1ec1m.<\/p>\n<h3>5. \u0110i\u1ec1u ki\u1ec7n l\u01b0u tr\u1eef<\/h3>\n<p>\u0110i\u1ec1u ki\u1ec7n l\u01b0u tr\u1eef n\u01b0\u1edbc RO c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a n\u00f3. N\u1ebfu n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u00e1c b\u00ecnh ch\u1ee9a c\u00f3 th\u1ec3 r\u00f2 r\u1ec9 h\u1ee3p ch\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t l\u00e0m m\u1ec1m ho\u1eb7c kim lo\u1ea1i nh\u1ea5t \u0111\u1ecbnh, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc. Ngo\u00e0i ra, ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 l\u00e0m t\u0103ng h\u1ea5p th\u1ee5 CO<sub>2<\/sub> v\u00e0 l\u00e0m gi\u1ea3m pH h\u01a1n n\u1eefa.<\/p>\n<p>&nbsp;<\/p>\n<h2>C\u00e1ch ki\u1ec3m tra \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO t\u1ea1i nh\u00e0<\/h2>\n<p>Ki\u1ec3m tra <em>\u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO<\/em> t\u1ea1i nh\u00e0 l\u00e0 m\u1ed9t quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb d\u1ec5 d\u00e0ng c\u00f3 s\u1eb5n. \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u1ee9c \u0111\u1ed9 pH l\u00e0 r\u1ea5t quan tr\u1ecdng, v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ph\u00f9 h\u1ee3p c\u1ee7a n\u00f3 cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y, t\u00f4i m\u00f4 t\u1ea3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO c\u1ee7a m\u00ecnh.<\/p>\n<h3>1. S\u1eed d\u1ee5ng dung d\u1ecbch th\u1eed pH<\/h3>\n<p>D\u1ea3i th\u1eed pH l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01a1n gi\u1ea3n v\u00e0 ti\u1ebft ki\u1ec7m ng\u00e2n s\u00e1ch cho vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO c\u1ee7a b\u1ea1n. Nh\u1eefng d\u1ea3i n\u00e0y thay \u0111\u1ed5i m\u00e0u s\u1eafc d\u1ef1a tr\u00ean \u0111\u1ed9 axit ho\u1eb7c ki\u1ec1m c\u1ee7a n\u01b0\u1edbc. \u0110\u1ec3 s\u1eed d\u1ee5ng ch\u00fang:<\/p>\n<ul>\n<li>Nh\u00fang m\u1ed9t d\u1ea3i th\u1eed pH v\u00e0o m\u1eabu n\u01b0\u1edbc RO c\u1ee7a b\u1ea1n.<\/li>\n<li>L\u1ea5y d\u1ea3i ra v\u00e0 l\u1eafc b\u1ecf b\u1ea5t k\u1ef3 n\u01b0\u1edbc th\u1eeba n\u00e0o.<\/li>\n<li>So s\u00e1nh s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc tr\u00ean d\u1ea3i v\u1edbi b\u1ea3ng m\u00e0u \u0111i k\u00e8m v\u1edbi d\u1ea3i th\u1eed.<\/li>\n<\/ul>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p m\u1ed9t d\u1ea5u hi\u1ec7u nhanh ch\u00f3ng v\u00e0 t\u1ed5ng qu\u00e1t v\u1ec1 m\u1ee9c \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc.<\/p>\n<h3>2. M\u00e1y \u0111o pH k\u1ef9 thu\u1eadt s\u1ed1<\/h3>\n<p>M\u00e1y \u0111o pH k\u1ef9 thu\u1eadt s\u1ed1 s\u1eed d\u1ee5ng ph\u00e2n t\u00edch ch\u00ednh x\u00e1c h\u01a1n so v\u1edbi d\u1ea3i th\u1eed. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng \u0111\u1eaft h\u01a1n nhi\u1ec1u nh\u01b0ng cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n. \u0110\u1ec3 s\u1eed d\u1ee5ng m\u00e1y \u0111o pH k\u1ef9 thu\u1eadt s\u1ed1:<\/p>\n<ol>\n<li>Hi\u1ec7u ch\u1ec9nh m\u00e1y theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, th\u01b0\u1eddng s\u1eed d\u1ee5ng dung d\u1ecbch \u0111\u1ec7m.<\/li>\n<li>R\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 tr\u00e1nh \u00f4 nhi\u1ec5m.<\/li>\n<li>Nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o m\u1eabu n\u01b0\u1edbc RO.<\/li>\n<li>Ch\u1edd ph\u00e2n t\u00edch \u1ed5n \u0111\u1ecbnh v\u00e0 ghi l\u1ea1i gi\u00e1 tr\u1ecb pH hi\u1ec3n th\u1ecb tr\u00ean m\u00e1y.<\/li>\n<\/ol>\n<p>Hi\u1ec7u ch\u1ec9nh \u0111\u1ecbnh k\u1ef3 m\u00e1y \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a n\u00f3.<\/p>\n<h3>3. B\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra pH<\/h3>\n<p>B\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra pH th\u01b0\u1eddng \u0111i k\u00e8m dung d\u1ecbch ph\u1ea3n \u1ee9ng l\u1ecfng thay \u0111\u1ed5i m\u00e0u khi pha tr\u1ed9n v\u1edbi m\u1eabu n\u01b0\u1edbc. \u0110\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra pH:<\/p>\n<ol>\n<li>\u0110\u1ed5 m\u1ed9t \u00edt m\u1eabu n\u01b0\u1edbc RO v\u00e0o m\u1ed9t h\u1ed9p nh\u1ecf.<\/li>\n<li>Th\u00eam v\u00e0i gi\u1ecdt dung d\u1ecbch ph\u1ea3n \u1ee9ng v\u00e0o m\u1eabu n\u01b0\u1edbc.<\/li>\n<li>L\u1eafc ho\u1eb7c khu\u1ea5y \u0111\u1ec1u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o pha tr\u1ed9n k\u1ef9 l\u01b0\u1ee1ng.<\/li>\n<li>So s\u00e1nh s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc v\u1edbi b\u1ea3ng m\u00e0u pH \u0111i k\u00e8m.<\/li>\n<\/ol>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 cung c\u1ea5p m\u1ed9t ch\u1ec9 th\u1ecb r\u00f5 r\u00e0ng v\u1ec1 m\u1ee9c \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc.<\/p>\n<h3>B\u1ea3ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra pH \u0111i\u1ec3n h\u00ecnh<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn<\/th>\n<th>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/th>\n<th>Chi ph\u00ed<\/th>\n<th>D\u1ec5 s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<tr>\n<td>D\u1ea3i th\u1eed pH<\/td>\n<td>Gi\u1ea3m xu\u1ed1ng C\u00f4ng c\u1ee5<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>M\u00e1y \u0111o pH k\u1ef9 thu\u1eadt s\u1ed1<\/td>\n<td>Cao<\/td>\n<td>C\u00f4ng c\u1ee5 \u0111\u1ebfn Cao<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 ki\u1ec3m tra pH<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Th\u1ea5p \u0111\u1ebfn Trung b\u00ecnh<\/td>\n<td>Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u1ed7i k\u1ef9 thu\u1eadt n\u00e0y c\u00f3 nh\u1eefng l\u1ee3i \u00edch v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. T\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi ho\u00e0n c\u1ea3nh c\u1ee7a m\u00ecnh. Ki\u1ec3m tra pH ch\u00ednh x\u00e1c c\u1ee7a n\u01b0\u1edbc RO l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u s\u1eed d\u1ee5ng ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c.<\/p>\n<p>&nbsp;<\/p>\n<h2>C\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ec3 Thay \u0111\u1ed5i pH c\u1ee7a n\u01b0\u1edbc RO<\/h2>\n<p>Thay \u0111\u1ed5i pH c\u1ee7a n\u01b0\u1edbc RO (Th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c) l\u00e0 r\u1ea5t quan tr\u1ecdng cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m u\u1ed1ng, n\u1ea5u \u0103n v\u00e0 b\u1ec3 c\u00e1. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH c\u1ee7a n\u01b0\u1edbc RO:<\/p>\n<h3>1. S\u1eed d\u1ee5ng B\u1ed9 l\u1ecdc ki\u1ec1m<\/h3>\n<p>B\u1ed9 l\u1ecdc ki\u1ec1m l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao pH c\u1ee7a n\u01b0\u1edbc RO. C\u00e1c b\u1ed9 l\u1ecdc n\u00e0y th\u01b0\u1eddng ch\u1ee9a c\u00e1c kho\u00e1ng ch\u1ea5t nh\u01b0 canxi, magi\u00ea v\u00e0 kali, gi\u00fap t\u0103ng t\u00ednh ki\u1ec1m t\u1ef1 nhi\u00ean c\u1ee7a n\u01b0\u1edbc. <em>L\u1eafp \u0111\u1eb7t b\u1ed9 l\u1ecdc ki\u1ec1m<\/em> h\u1ec7 th\u1ed1ng RO c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 m\u1ee9c pH, l\u00e0m cho n\u01b0\u1edbc ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n<h3>2. Th\u00eam Natri Bicarbonate<\/h3>\n<p>B\u1ed9t n\u1edf (natri bicarbonate) l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn d\u1ec5 d\u00e0ng v\u00e0 th\u00e2n thi\u1ec7n \u0111\u1ec3 n\u00e2ng cao pH c\u1ee7a n\u01b0\u1edbc RO. B\u1eb1ng c\u00e1ch th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf, th\u01b0\u1eddng l\u00e0 m\u1ed9t ph\u1ea7n t\u01b0 mu\u1ed7ng c\u00e0 ph\u00ea cho m\u1ed7i gallon, b\u1ea1n c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 pH. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00f2i h\u1ecfi \u0111o l\u01b0\u1eddng c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh l\u00e0m n\u01b0\u1edbc qu\u00e1 ki\u1ec1m.<\/p>\n<h3>3. S\u1eed d\u1ee5ng Gi\u1ea3m pH<\/h3>\n<p>Gi\u1ecdt gi\u1ea3m pH l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ec7n l\u1ee3i \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH c\u1ee7a n\u01b0\u1edbc RO. Nh\u1eefng gi\u1ecdt n\u00e0y ch\u1ee9a kho\u00e1ng ch\u1ea5t ki\u1ec1m v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng th\u00eam v\u00e0o n\u01b0\u1edbc. S\u1ed1 l\u01b0\u1ee3ng gi\u1ecdt c\u1ea7n thi\u1ebft ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c pH hi\u1ec7n t\u1ea1i v\u00e0 pH mong mu\u1ed1n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 <em>nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3<\/em>, l\u00e0m cho n\u00f3 tr\u1edf n\u00ean tuy\u1ec7t v\u1eddi cho s\u1eed d\u1ee5ng c\u00e1 nh\u00e2n.<\/p>\n<h3>4. Pha tr\u1ed9n n\u01b0\u1edbc RO v\u1edbi n\u01b0\u1edbc kho\u00e1ng<\/h3>\n<p>M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH l\u00e0 pha tr\u1ed9n n\u01b0\u1edbc RO v\u1edbi n\u01b0\u1edbc kho\u00e1ng. N\u01b0\u1edbc kho\u00e1ng c\u00f3 ch\u1ee9a kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean c\u00f3 th\u1ec3 gi\u00fap c\u00e2n b\u1eb1ng \u0111\u1ed9 pH. T\u1ef7 l\u1ec7 pha tr\u1ed9n s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 pH ban \u0111\u1ea7u c\u1ee7a c\u1ea3 n\u01b0\u1edbc RO v\u00e0 n\u01b0\u1edbc kho\u00e1ng.<\/p>\n<h3>5. S\u1eed d\u1ee5ng cartridge t\u00e1i kho\u00e1ng h\u00f3a<\/h3>\n<p>M\u1ed9t cartridge t\u00e1i kho\u00e1ng h\u00f3a, \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t sau l\u1edbp m\u00e0ng RO, b\u1ed5 sung c\u00e1c kho\u00e1ng ch\u1ea5t c\u1ea7n thi\u1ebft tr\u1edf l\u1ea1i v\u00e0o n\u01b0\u1edbc, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u1ed9 pH c\u1ee7a n\u00f3. C\u00e1c cartridge n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1eeb t\u1eeb gi\u1ea3i ph\u00f3ng c\u00e1c kho\u00e1ng ch\u1ea5t nh\u01b0 canxi v\u00e0 magi\u00ea, mang l\u1ea1i s\u1ef1 t\u0103ng \u0111\u1ec1u \u0111\u1eb7n v\u1ec1 m\u1ee9c \u0111\u1ed9 pH.<\/p>\n<h3>6. Oxy h\u00f3a<\/h3>\n<p>Oxy h\u00f3a l\u00e0 qu\u00e1 tr\u00ecnh t\u0103ng c\u01b0\u1eddng h\u00e0m l\u01b0\u1ee3ng oxy trong n\u01b0\u1edbc, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nh\u1eb9 m\u1ee9c \u0111\u1ed9 pH. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c \u0111\u01b0a n\u01b0\u1edbc RO ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed b\u1eb1ng m\u1ed9t b\u1ed9 oxy h\u00f3a. M\u1eb7c d\u00f9 kh\u00f4ng hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c, nh\u01b0ng c\u00f3 th\u1ec3 h\u1eefu \u00edch khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn<\/th>\n<th>Hi\u1ec7u su\u1ea5t<\/th>\n<th>D\u1ec5 s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<tr>\n<td>B\u1ed9 l\u1ecdc ki\u1ec1m<\/td>\n<td>Cao<\/td>\n<td>D\u1ec5 d\u00e0ng<\/td>\n<\/tr>\n<tr>\n<td>Bicarbonat natri<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1ea3m pH<\/td>\n<td>Cao<\/td>\n<td>D\u1ec5 d\u00e0ng<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft h\u1ee3p v\u1edbi n\u01b0\u1edbc kho\u00e1ng<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>D\u1ec5 d\u00e0ng<\/td>\n<\/tr>\n<tr>\n<td>Cartridge t\u00e1i kho\u00e1ng h\u00f3a<\/td>\n<td>Cao<\/td>\n<td>D\u1ec5 d\u00e0ng<\/td>\n<\/tr>\n<tr>\n<td>Oxy h\u00f3a<\/td>\n<td>Th\u1ea5p<\/td>\n<td>D\u1ec5 d\u00e0ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 pH c\u1ee7a n\u01b0\u1edbc RO<\/h2>\n<h3>Gi\u00e1 tr\u1ecb pH \u0111i\u1ec3n h\u00ecnh c\u1ee7a n\u01b0\u1edbc RO l\u00e0 bao nhi\u00eau?<\/h3>\n<p>M\u1ee9c \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c (RO) th\u01b0\u1eddng dao \u0111\u1ed9ng trong kho\u1ea3ng <em>5.0 \u0111\u1ebfn 7.0<\/em>. Kho\u1ea3ng n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng RO.<\/p>\n<h3>T\u1ea1i sao n\u01b0\u1edbc RO l\u1ea1i c\u00f3 \u0111\u1ed9 axit nh\u1eb9?<\/h3>\n<p>N\u01b0\u1edbc RO th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 axit nh\u1eb9 v\u00ec qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c kho\u00e1ng ch\u1ea5t nh\u01b0 canxi v\u00e0 magi\u00ea, v\u1ed1n th\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 l\u00e0m ch\u1ea5t \u0111\u1ec7m \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 pH trung t\u00ednh. Ngo\u00e0i ra, ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 l\u00e0m h\u00f2a kh\u00ed cacbonic v\u00e0o n\u01b0\u1edbc, t\u1ea1o th\u00e0nh axit cacbonic v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 pH.<\/p>\n<h3>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i ki\u1ec3m tra \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO t\u1ea1i nh\u00e0?<\/h3>\n<p>C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO t\u1ea1i nh\u00e0:<\/p>\n<ul>\n<li><strong>D\u1ea3i th\u1eed pH:<\/strong> Gi\u00e1 th\u00e0nh ph\u1ea3i ch\u0103ng v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, nh\u01b0ng \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p h\u01a1n.<\/li>\n<li><strong>M\u00e1y \u0111o pH k\u1ef9 thu\u1eadt s\u1ed1:<\/strong> Cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c nh\u01b0ng c\u1ea7n hi\u1ec7u ch\u1ec9nh \u0111\u1ecbnh k\u1ef3.<\/li>\n<li><strong>B\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra pH:<\/strong> Bao g\u1ed3m vi\u1ec7c th\u00eam dung d\u1ecbch th\u1eed v\u00e0o n\u01b0\u1edbc v\u00e0 so s\u00e1nh m\u00e0u s\u1eafc v\u1edbi b\u1ea3ng m\u00e0u.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO?<\/h3>\n<p>C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO:<\/p>\n<ul>\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc:<\/strong> \u0110\u1ed9 pH ban \u0111\u1ea7u c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH cu\u1ed1i c\u00f9ng c\u1ee7a n\u01b0\u1edbc RO.<\/li>\n<li><strong>CO<sub>2<\/sub> N\u1ed9i dung:<\/strong> M\u1ee9c \u0111\u1ed9 kh\u00ed cacbonic cao h\u01a1n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 pH.<\/li>\n<li><strong>Lo\u1ea1i v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u00e0ng l\u1ecdc:<\/strong> C\u00e1c lo\u1ea1i m\u00e0ng kh\u00e1c nhau c\u00f3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf ion kh\u00e1c nhau, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH.<\/li>\n<li><strong>Quy tr\u00ecnh x\u1eed l\u00fd sau:<\/strong> C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 b\u1ed5 sung kho\u00e1ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH.<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n:<\/strong> Ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 c\u00e1c v\u1eadt li\u1ec7u ch\u1ee9a trong b\u00ecnh c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 pH.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO?<\/h3>\n<p>C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO:<\/p>\n<ul>\n<li><strong>B\u1ed9 l\u1ecdc ki\u1ec1m:<\/strong> Th\u00eam kho\u00e1ng ch\u1ea5t \u0111\u1ec3 t\u0103ng \u0111\u1ed9 ki\u1ec1m.<\/li>\n<li><strong>B\u1ed9t n\u1edf:<\/strong> M\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u1ed9 pH.<\/li>\n<li><strong>Gi\u1ecdt pH:<\/strong> Ti\u1ec7n l\u1ee3i v\u00e0 hi\u1ec7u qu\u1ea3 cho s\u1eed d\u1ee5ng c\u00e1 nh\u00e2n.<\/li>\n<li><strong>Pha tr\u1ed9n v\u1edbi n\u01b0\u1edbc kho\u00e1ng:<\/strong> C\u00e2n b\u1eb1ng \u0111\u1ed9 pH b\u1eb1ng c\u00e1ch th\u00eam kho\u00e1ng t\u1ef1 nhi\u00ean.<\/li>\n<li><strong>B\u1ed9 l\u1ecdc remineralization:<\/strong> Th\u00eam kho\u00e1ng ch\u1ea5t thi\u1ebft y\u1ebfu tr\u1edf l\u1ea1i v\u00e0o n\u01b0\u1edbc.<\/li>\n<li><strong>S\u1ee5c kh\u00ed:<\/strong> Ti\u1ebfp x\u00fac n\u01b0\u1edbc v\u1edbi kh\u00f4ng kh\u00ed, l\u00e0m t\u0103ng nh\u1eb9 \u0111\u1ed9 pH.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>N\u01b0\u1edbc RO c\u00f3 t\u00ednh axit nh\u1eb9 c\u00f3 an to\u00e0n \u0111\u1ec3 u\u1ed1ng kh\u00f4ng?<\/h3>\n<p>C\u00f3, n\u01b0\u1edbc RO c\u00f3 t\u00ednh axit nh\u1eb9 th\u01b0\u1eddng an to\u00e0n \u0111\u1ec3 ti\u00eau th\u1ee5. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 th\u1ec3 mu\u1ed1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi s\u1edf th\u00edch ho\u1eb7c s\u1ee9c kh\u1ecfe c\u1ee5 th\u1ec3.<\/p>\n<h3>T\u1ea1i sao \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO thay \u0111\u1ed5i theo th\u1eddi gian?<\/h3>\n<p>\u0110\u1ed9 pH c\u1ee7a n\u01b0\u1edbc RO c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo th\u1eddi gian do ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, l\u00e0m cho carbon dioxide h\u00f2a tan v\u00e0o n\u01b0\u1edbc, t\u1ea1o th\u00e0nh axit cacbonic v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 pH. \u0110i\u1ec1u ki\u1ec7n l\u01b0u tr\u1eef v\u00e0 v\u1eadt li\u1ec7u c\u1ee7a b\u00ecnh ch\u1ee9a c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 pH.<\/p>\n<h3>T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u01b0\u1edbc RO cho b\u1ec3 c\u00e1 c\u1ee7a m\u00ecnh kh\u00f4ng?<\/h3>\n<p>C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u01b0\u1edbc RO cho b\u1ec3 c\u00e1 c\u1ee7a m\u00ecnh, nh\u01b0ng th\u01b0\u1eddng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH v\u00e0 th\u00eam kho\u00e1ng ch\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a sinh v\u1eadt th\u1ee7y sinh.<\/p>","protected":false},"excerpt":{"rendered":"<p>The article delves into the pH of RO water, detailing its typical range between 5.0 and 7.0 and explaining why it tends to be slightly acidic. It highlights factors like source water quality, CO2 content, and membrane efficiency that influence the pH of RO water. The article also discusses various methods to test the pH [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3742","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/posts\/3742","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=3742"}],"version-history":[{"count":2,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/posts\/3742\/revisions"}],"predecessor-version":[{"id":3744,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/posts\/3742\/revisions\/3744"}],"wp:attachment":[{"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/media?parent=3742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/categories?post=3742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/driplifecorp.com\/vi\/wp-json\/wp\/v2\/tags?post=3742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}