{"id":998,"date":"2021-08-15T19:52:38","date_gmt":"2021-08-15T19:52:38","guid":{"rendered":"https:\/\/tebmit.com\/tieu-chuan-nuoc-cap-lo-hoi-can-dam-bao-nhung-yeu-to-gi\/"},"modified":"2021-08-15T19:52:38","modified_gmt":"2021-08-15T19:52:38","slug":"tieu-chuan-nuoc-cap-lo-hoi-can-dam-bao-nhung-yeu-to-gi","status":"publish","type":"post","link":"https:\/\/tebmit.com\/en\/tieu-chuan-nuoc-cap-lo-hoi-can-dam-bao-nhung-yeu-to-gi\/","title":{"rendered":"Ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i c\u1ea7n \u0111\u1ea3m b\u1ea3o nh\u1eefng y\u1ebfu t\u1ed1 g\u00ec?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ec9 s\u1ed1 pH, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u01b0\u1edbc,&#8230;Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ed9 an to\u00e0n c\u1ee7a l\u00f2 h\u01a1i c\u0169ng nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m s\u1ea3n xu\u1ea5t.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc cung c\u1ea5p cho l\u00f2 h\u01a1i c\u00f3 vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 an to\u00e0n khi l\u00f2 v\u1eadn h\u00e0nh. Ngu\u1ed3n n\u01b0\u1edbc c\u1ea5p cho l\u00f2 h\u01a1i th\u01b0\u1eddng l\u1eabn t\u1ea1p ch\u1ea5t v\u00e0 kh\u00f4ng tan trong n\u01b0\u1edbc. V\u1eady ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i c\u1ea7n \u0111\u1ea3m b\u1ea3o nh\u1eefng y\u1ebfu t\u1ed1 g\u00ec?<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"step_0\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n EC c\u1ee7a n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed5ng c\u00e1c ch\u1ea5t h\u00f2a tan trong n\u01b0\u1edbc c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00f4ng qua \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n EC v\u00e0 nhi\u1ec7t \u0111\u1ed9 chu\u1ea9n l\u1ea5y l\u00e0 250 \u0111\u1ed9 C. \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a n\u01b0\u1edbc l\u00f2 h\u01a1i ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9. Nhi\u1ec7t \u0111\u1ed9 t\u0103ng, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n EC c\u0169ng t\u0103ng.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/du-an-bao-tri.jpg\" alt=\"\" class=\"wp-image-970\" srcset=\"https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/du-an-bao-tri.jpg 1000w, https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/du-an-bao-tri-600x400.jpg 600w, https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/du-an-bao-tri-300x200.jpg 300w, https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/du-an-bao-tri-768x512.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a n\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi c\u00e1c ch\u1ea5t h\u00f2a tan nh\u01b0: mu\u1ed1i, axit ( k\u1ec3 c\u1ea3 axit cacbonic), bazo v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0ng silic kh\u00f4ng c\u00f3 \u1ea3nh h\u01b0\u1edfng g\u00ec t\u1edbi \u0111\u1ed9 d\u1eabn c\u1ee7a n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n \u2264&nbsp; 600. \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a&nbsp; n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng t\u1edbi \u0103n m\u00f2n. \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n c\u00e0ng cao, t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n c\u00e0ng l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ki\u1ec3m tra \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a n\u01b0\u1edbc l\u00f2 h\u01a1i, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng\u00a0m\u00e1y \u0111o EC Hanna. \u01afu \u0111i\u1ec3m c\u1ee7a s\u1ea3n ph\u1ea9m n\u00e0y l\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n cao, th\u1eddi gian cho k\u1ebft qu\u1ea3 nhanh v\u00e0 ch\u00ednh x\u00e1c. H\u01a1n n\u1eefa, m\u00e1y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, t\u00ednh linh ho\u1ea1t cao, b\u1ea1n d\u1ec5 d\u00e0ng di chuy\u1ec3n m\u00e1y \u0111\u1ebfn nhi\u1ec1u v\u1ecb tr\u00ed mu\u1ed1n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"step_1\">\u0110\u1ed9 pH c\u1ee7a n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i l\u00e0 bao nhi\u00eau<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 pH c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 n\u1eb1m trong ti\u00eau chu\u1ea9n n\u01b0\u1edbc ch\u1ea5p cho l\u00f2 h\u01a1i. \u0110\u1ed9 ph\u00e2n li r\u1ea5t th\u1ea5p c\u1ee7a n\u01b0\u1edbc nguy\u00ean ch\u1ea5t quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 pH trung b\u00ecnh =7. Khi \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc th\u1ea5p h\u01a1n 7 l\u00e0 \u0111\u1eb7c trung c\u1ee7a m\u00f4i tr\u01b0\u1eddng axit v\u1edbi \u0111\u1ed9 axit t\u0103ng khi pH gi\u1ea3m v\u1ec1 0. M\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc c\u00f3 t\u00ednh baz\u01a1 khi ch\u1ec9 s\u1ed1 pH trong n\u01b0\u1edbc l\u1edbn h\u01a1n 7 v\u1edbi \u0111\u1ed9 ki\u1ec1m t\u0103ng khi pH t\u0103ng l\u00ean \u0111\u1ebfn 14.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"494\" src=\"https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/may-do-ph-chinh-hang.jpg\" alt=\"\" class=\"wp-image-657\" srcset=\"https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/may-do-ph-chinh-hang.jpg 600w, https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/may-do-ph-chinh-hang-300x247.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i v\u1edbi \u0111\u1ed9 pH l\u00fd t\u01b0\u1edfng nh\u1ea5t trong kho\u1ea3ng t\u1eeb 9-11 (n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 ki\u1ec3m v\u1eeba ph\u1ea3i). B\u1edfi n\u01b0\u1edbc c\u00f3 t\u00ednh axit m\u1ea1nh s\u1ebd \u0103n m\u00f2n s\u1eaft\/th\u00e9p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ki\u1ec3m tra \u0111\u1ed9 pH trong n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i b\u1eb1ng\u00a0m\u00e1y \u0111o \u0111\u1ed9 pH\u00a0l\u00e0 th\u00edch h\u1ee3p nh\u1ea5t. Hi\u1ec7n nay, m\u1ed9t s\u1ed1 m\u00e1y \u0111o pH Hanna c\u00f2n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00eam ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t m\u00e1y \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n EC, ch\u1eb3ng h\u1ea1n nh\u01b0:\u00a0Hanna HI98129,\u00a0Hanna HI98127,&#8230;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"step_2\">\u0110\u1ed9 c\u1ee9ng c\u1ee7a n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 c\u1ee9ng c\u1ee7a n\u01b0\u1edbc \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh 2 nh\u00f3m: \u0111\u1ed9 c\u1ee9ng cacbonat v\u00e0 \u0111\u1ed9 c\u1ee9ng phi cacbonat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 c\u1ee9ng cacbonat ch\u1ec9 c\u00f3 th\u1ec3 tan \u0111\u01b0\u1ee3c trong n\u01b0\u1edbc c\u00f9ng v\u1edbi m\u1ed9t l\u01b0\u1ee3ng axit cacbonic ( do CO2 h\u00f2a tan trong n\u01b0\u1edbc).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu l\u01b0\u1ee3ng CO2 b\u1ecb lo\u1ea1i b\u1ecf \u0111o \u0111un s\u00f4i ho\u1eb7c gi\u1ea3m do phun trong kh\u00f4ng kh\u00ed ho\u1eb7c \u0111un n\u00f3ng th\u00ec canxi cacbonat ( \u0111\u00e1 v\u00f4i) s\u1ebd k\u1ebft t\u1ee7a v\u00e0 t\u1ea1o th\u00e0nh c\u1eb7n cacbonat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi nh\u1eefng khu v\u1ef1c nhi\u1ec7t \u0111\u1edbi v\u00e0 c\u1eadn nhi\u1ec7t \u0111\u1edbi th\u01b0\u1eddng c\u00f3 m\u01b0a to n\u00ean s\u1ebd c\u00f3 \u00edt \u0111\u00e3 v\u00f4i \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh. Ch\u00ednh v\u00ec th\u1ebf, \u0111\u1ed9 c\u1ee9ng cacbonat c\u1ee7a n\u01b0\u1edbc th\u00f4 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"372\" src=\"https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/do-cung-nuoc-lo-hoi.jpg\" alt=\"\" class=\"wp-image-658\" srcset=\"https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/do-cung-nuoc-lo-hoi.jpg 600w, https:\/\/tebmit.com\/wp-content\/uploads\/2021\/08\/do-cung-nuoc-lo-hoi-300x186.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 c\u1ee9ng phi cacbonat c\u00f3 th\u1ec3 h\u00f2a tan trong n\u01b0\u1edbc, ch\u1ec9 c\u00f3 canxi sunphat ( th\u1ea1ch cao) t\u1ea1o c\u1eb7n n\u1ebfu n\u1ed3ng \u0111\u1ed9 c\u1ee7a n\u00f3 l\u1edbn h\u01a1n 2g\/l = 2000 mg\/l.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i nh\u1eefng ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i nh\u01b0: \u0111\u1ed9 pH, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, \u0111\u1ed9 c\u1ee9ng c\u00f2n c\u00f3 c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c nh\u01b0: t\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan \u2264 1.500, t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng s\u1eaft \u2264 1 ppm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p cho l\u00f2 h\u01a1i c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc khi cho v\u00e0o l\u00f2 h\u01a1i. Nh\u1eefng ti\u00eau chu\u1ea9n n\u00e0y s\u1ebd l\u00e0 b\u00e0n \u0111\u1ea1p gi\u00fap ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00f2 h\u01a1i c\u1ee7a b\u1ea1n \u0111\u1ea1t chu\u1ea9n v\u00e0 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ti\u00eau chu\u1ea9n n\u01b0\u1edbc c\u1ea5p l\u00f2 h\u01a1i ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ec9 s\u1ed1 pH, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u01b0\u1edbc,&#8230;Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ed9 an to\u00e0n c\u1ee7a l\u00f2 h\u01a1i c\u0169ng nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m s\u1ea3n xu\u1ea5t. Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc cung c\u1ea5p cho l\u00f2 h\u01a1i c\u00f3 vai tr\u00f2 [&#8230;]\n","protected":false},"author":2,"featured_media":1000,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-998","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-en"],"_links":{"self":[{"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/posts\/998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/comments?post=998"}],"version-history":[{"count":0,"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/posts\/998\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/media\/1000"}],"wp:attachment":[{"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/media?parent=998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/categories?post=998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tebmit.com\/en\/wp-json\/wp\/v2\/tags?post=998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}