{"id":6023,"date":"2020-06-09T11:44:55","date_gmt":"2020-06-09T03:44:55","guid":{"rendered":"http:\/\/dmi65.com\/landspace-reticulation\/"},"modified":"2020-06-26T11:32:43","modified_gmt":"2020-06-26T03:32:43","slug":"landspace-reticulation","status":"publish","type":"page","link":"https:\/\/dmi65.com\/vi\/giai-phap\/landspace-reticulation\/","title":{"rendered":"X\u1eed tr\u1ecb n\u01b0\u1edbc cho Greywater"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1592451670113{margin-top: 15px !important;margin-bottom: 15px !important;}&#8221;]<strong>X\u1eed tr\u1ecb n\u01b0\u1edbc cho Greywater, t\u00e1i t\u1ea1o c\u1ea3nh quan v\u00e0 v\u01b0\u1eddn:<\/strong> DMI-65 l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1t silica r\u1ea5t m\u1ea1nh m\u1ebd d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u1eed l\u00fd n\u01b0\u1edbc l\u1ecdc x\u00fac t\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1eaft v\u00e0 mangan m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng kali permanganat th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh oxy h\u00f3a n\u00e2ng cao. S\u1eaft b\u1ea9n l\u00e0 r\u1ea5t ph\u1ed5 bi\u1ebfn. Gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 b\u1ea9n, n\u00f3 g\u00e2y ra m\u1ed9t s\u1ef1 m\u1ea5t m\u00e1t hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e0ng, c\u1ee5 th\u1ec3 m\u1ea5t th\u00f4ng l\u01b0\u1ee3ng. Ngo\u00e0i ra, s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a s\u1eaft l\u00e0m cho m\u00e0ng d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng qu\u00e1 tr\u00ecnh oxy h\u00f3a.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"uavc-list-icon uavc-list-icon-wrapper ult-adjust-bottom-margin   vc_custom_1590987405882  vc_custom_1590987405882\"><ul class=\"uavc-list\"><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-4839\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#81d742;font-size:20px;display:inline-block;\">\n\t<i class=\"fas fa-check\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-4839 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Gi\u1ea3m th\u1eddi gian ch\u1ebft<\/strong><\/p>\n<p><\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-1097\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#81d742;font-size:20px;display:inline-block;\">\n\t<i class=\"fas fa-check\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-1097 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Ti\u1ebft ki\u1ec7m chi ph\u00ed l\u00e0m s\u1ea1ch m\u00e0ng v\u00e0 thay th\u1ebf<\/strong><\/p>\n<p><\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-6066\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#81d742;font-size:20px;display:inline-block;\">\n\t<i class=\"fas fa-check\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-6066 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>C\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng gi\u1ea3m \u0111\u1ea7u t\u01b0 v\u1ed1n h\u1ec7 th\u1ed1ng ban \u0111\u1ea7u<\/strong><\/p>\n<p><\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-1252\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#81d742;font-size:20px;display:inline-block;\">\n\t<i class=\"fas fa-check\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-1252 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>T\u1ef7 l\u1ec7 kh\u1eed tr\u00f9ng cao \u0111\u1ea1t \u0111\u01b0\u1ee3c<\/strong><\/p>\n<p><\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-4968\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#81d742;font-size:20px;display:inline-block;\">\n\t<i class=\"fas fa-check\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-4968 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>Kh\u00f4ng l\u1ecdc h\u00f3a ch\u1ea5t<\/strong><\/p>\n<p><\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-4089\">\n<div class=\"uavc-list-icon  \" data-animation=\"\" data-animation-delay=\"03\" style=\"margin-right:20px;\"><div class=\"ult-just-icon-wrapper  \"><div class=\"align-icon\" style=\"text-align:center;\">\n<div class=\"aio-icon none \"  style=\"color:#81d742;font-size:20px;display:inline-block;\">\n\t<i class=\"fas fa-check\"><\/i>\n<\/div><\/div><\/div>\n<\/div><span  data-ultimate-target='#list-icon-wrap-4089 .uavc-list-desc'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  class=\"uavc-list-desc ult-responsive\" style=\"\"><strong>\u0110\u00e1ng k\u1ec3 to\u00e0n b\u1ed9 ti\u1ebft ki\u1ec7m chi ph\u00ed cu\u1ed9c s\u1ed1ng <\/strong><\/p>\n<p><\/span><\/div><\/li><\/ul><\/div><q class=\"text-big shortcode-pullquote wf-cell align-left wf-1\"><p>DMI-65 l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1t silica r\u1ea5t m\u1ea1nh m\u1ebd d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u1eed l\u00fd n\u01b0\u1edbc l\u1ecdc x\u00fac t\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1eaft v\u00e0 mangan m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng kali permanganat th\u00f4ng qua m\u1ed9t <a href=\"http:\/\/dmi65.com\/vi\/ky-thuat\/advanced-oxy-hoa-qua-trinh-cho-nuoc-loc\/\">qu\u00e1 tr\u00ecnh oxy h\u00f3a ti\u00ean ti\u1ebfn<\/a>.<\/p>\n<\/q>[vc_column_text css=&#8221;.vc_custom_1592452309378{margin-bottom: 0px !important;}&#8221;]S\u1eaft h\u00f2a tan trong n\u01b0\u1edbc ng\u1ea7m \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i qua h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ee3i c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t v\u1ebft b\u1ea9n kh\u00f3 coi trong c\u00e1c t\u00f2a nh\u00e0, \u0111\u01b0\u1eddng d\u1eabn, h\u00e0ng r\u00e0o v\u00e0 th\u1ef1c v\u1eadt \u1edf nhi\u1ec1u khu v\u1ef1c. C\u00e1c hydroxit s\u1eaft h\u00f2a tan t\u1eeb n\u01b0\u1edbc ng\u1ea7m gi\u00e0u s\u1eaft th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn tr\u1ea7m t\u00edch h\u1eefu c\u01a1, \u0111i\u1ec1u ki\u1ec7n ax\u00edt, kh\u00f4ng c\u00f3 oxy h\u00f2a tan v\u00e0\/ho\u1eb7c vi sinh v\u1eadt (vi khu\u1ea9n s\u1eaft). K\u1ebft qu\u1ea3 l\u00e0 nhu\u1ed9m g\u1ec9 (\u0111\u00f4i khi m\u00e0u n\u00e2u \u0111\u1ecf k\u00e8m theo s\u1ecdc nhi\u1ec1u m\u00e0u) tr\u00ean b\u1ea5t k\u1ef3 c\u1ea5u tr\u00fac ho\u1eb7c th\u1ef1c v\u1eadt nh\u1eadn phun th\u1ee7y l\u1ee3i trong m\u1ed9t th\u1eddi gian d\u00e0i. Nhu\u1ed9m m\u00e0u \u0111en li\u00ean quan c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u00e2y ra b\u1edfi s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a cacbon \u0111\u1ea5t ho\u1eb7c mangan oxit. Nh\u1eefng v\u1ebft r\u1ec9 s\u00e9t ch\u1ed1ng l\u1ea1i l\u00e0m s\u1ea1ch v\u1edbi x\u00e0 gi\u01b0\u1eddng, ch\u1ea5t t\u1ea9y r\u1eeda v\u00e0 thu\u1ed1c t\u1ea9y.<\/p>\n<p>S\u1eaft l\u00e0 kim lo\u1ea1i \u0111\u00f3 l\u00e0 phong ph\u00fa nh\u1ea5t tr\u00ean tr\u00e1i \u0111\u1ea5t v\u00e0 do \u0111\u00f3 r\u1ea5t ph\u1ed5 bi\u1ebfn trong \u0111\u1ea5t v\u00e0 n\u01b0\u1edbc ng\u1ea7m. S\u1eaft h\u00f2a tan x\u1ea3y ra t\u1ef1 nhi\u00ean trong n\u01b0\u1edbc ng\u1ea7m \u1edf n\u1ed3ng \u0111\u1ed9 l\u00ean \u0111\u1ebfn kho\u1ea3ng 50 mg\/L. Mu\u1ed1i s\u1eaft ng\u00e0y c\u00e0ng tr\u1edf n\u00ean h\u00f2a tan nh\u01b0 n\u01b0\u1edbc ng\u1ea7m tr\u1edf n\u00ean chua h\u01a1n. Trong oxy b\u1ecb t\u01b0\u1edbc \u0111o\u1ea1t v\u00e0 n\u01b0\u1edbc ng\u1ea7m c\u00f3 t\u00ednh axit (v\u1edbi pH d\u01b0\u1edbi 5), n\u1ed3ng \u0111\u1ed9 s\u1eaft t\u1eeb 1 \u0111\u1ebfn 20 mg\/L l\u00e0 ph\u1ed5 bi\u1ebfn (th\u01b0\u1eddng l\u00e0 c\u00e1c carbonat \u1ed5n \u0111\u1ecbnh). S\u1eaft th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y h\u00f2a tan trong n\u01b0\u1edbc ng\u1ea7m \u1edf d\u1ea1ng m\u00e0u b\u1ecb gi\u1ea3m (Fe2 +) v\u00e0 oxy h\u00f3a th\u00e0nh d\u1ea1ng ferric t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f4ng h\u00f2a tan (Fe3 + +) khi \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc ng\u1ea7m (ki\u1ec1m) \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac v\u1edbi \u00f4xy trong kh\u00f4ng kh\u00ed.<\/p>\n<p>Khi n\u01b0\u1edbc ng\u1ea7m c\u00f3 t\u00ednh axit gi\u00e0u s\u1eaft \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t v\u00e0 pha tr\u1ed9n v\u1edbi kh\u00f4ng kh\u00ed, carbon dioxide v\u00e0 Hydrogen sulfide (kh\u00ed tr\u1ee9ng th\u1ed1i) th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh, \u0111\u1ed9 pH t\u0103ng l\u00ean v\u00e0 s\u1eaft \u0111\u01b0\u1ee3c l\u1eafng \u0111\u1ecdng nh\u01b0 hydroxit ferric (r\u1ec9 s\u00e9t) tr\u00ean b\u1ea5t k\u1ef3 b\u1ec1 m\u1eb7t ph\u1eb3ng n\u00e0o l\u00e0m bay h\u01a1i. Theo th\u1eddi gian l\u1edbp ph\u1ee7 oxit n\u00e0y x\u00e2y d\u1ef1ng g\u00e2y ra s\u1ef1 bi\u1ebfn m\u00e0u \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t m\u00e0u s\u00e1ng.<\/p>\n<p>S\u1eaft c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ef1 nhi\u00ean hi\u1ec7n di\u1ec7n trong n\u01b0\u1edbc ng\u1ea7m nh\u01b0 slimy, \u0111\u00f4i khi h\u00f4i m\u00f9i vi khu\u1ea9n s\u1ee3i (ch\u1eb3ng h\u1ea1n nh\u01b0 Acidithiobacillus ferrooxidans). Nh\u1eefng vi khu\u1ea9n n\u00e0y l\u00e0 v\u00f4 h\u1ea1i, d\u01b0\u1eddng nh\u01b0 kh\u00f4ng gi\u1ea3i quy\u1ebft, v\u00e0 m\u00e0u m\u00e0u n\u00e2u n\u01b0\u1edbc, th\u01b0\u1eddng v\u1edbi m\u1ed9t sheen nh\u1eddn.<\/p>\n<p>S\u1eaft ti\u1ec1n g\u1eedi v\u00e0 vi khu\u1ea9n s\u1eaft c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c encrustations v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 t\u1eafc ngh\u1ebdn trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ee3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng ng\u01b0\u1eddi m\u00e0 d\u1ef1a v\u00e0o l\u1ed7 nh\u1ecf \u0111\u1ec3 ki\u1ec3m so\u00e1t \u00e1p l\u1ef1c ho\u1eb7c giao h\u00e0ng qua drippers n\u01b0\u1edbc. Quy m\u00f4 s\u1eaft c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn truy\u1ec1n nhi\u1ec7t trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc n\u00f3ng.<\/p>\n<p>S\u1eaft nhu\u1ed9m l\u00e0 kh\u00f3 coi, nh\u01b0ng kh\u00f4ng n\u00ean g\u00e2y ra t\u00e1c h\u1ea1i nghi\u00eam tr\u1ecdng \u0111\u1ebfn th\u1ef1c v\u1eadt, \u0111\u1ed9ng v\u1eadt ho\u1eb7c con ng\u01b0\u1eddi ho\u1eb7c thi\u1ec7t h\u1ea1i c\u1ea5u tr\u00fac. V\u1edbi n\u1ed3ng \u0111\u1ed9 cao c\u1ee7a s\u1eaft (h\u01a1n 20 mg\/L) m\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y v\u1edbi nhu\u1ed9m s\u1eaft c\u00f3 th\u1ec3 g\u1eb7p m\u1ed9t s\u1ef1 gi\u1ea3m trong quang h\u1ee3p v\u00e0 s\u1ee9c s\u1ed1ng.<\/p>\n<p>N\u01b0\u1edbc c\u00f3 n\u1ed3ng \u0111\u1ed9 s\u1eaft tr\u00ean 1 mg\/L (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t ph\u1ea7n m\u1ed7i tri\u1ec7u) c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t nhu\u1ed9m s\u1eaft.<\/p>\n<p>Th\u00e0nh l\u1eadp c\u1ee7a m\u1ed9t l\u1ecdc ti\u1ec1n x\u1eed l\u00fd DMI-65 s\u1ebd v\u1eadt ch\u1ea5t l\u00e0m gi\u1ea3m c\u00e1c tri\u1ec7u ch\u1ee9ng n\u00e0y c\u0169ng nh\u01b0 benefitting c\u00e1c h\u1ec7 th\u1ed1ng ro t\u1ed5ng s\u1ed1 b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n disningaction v\u00e0 l\u1ecdc c\u01a1 kh\u00ed c\u1ee7a ch\u1ea5t r\u1eafn kh\u00f4ng h\u00f2a tan.<\/p>\n<p>DMI-65 l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n v\u00e0 kh\u00f4ng ch\u1ec9 l\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ee7 b\u1ec1 m\u1eb7t, kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n l\u1ecdc n\u01b0\u1edbc x\u00fac t\u00e1c kh\u00e1c, lo\u1ea1i b\u1ecf c\u01a1 h\u1ed9i x\u00e2m nh\u1eadp h\u00f3a ch\u1ea5t v\u00e0o d\u00f2ng n\u01b0\u1edbc. \u0110\u00f3 l\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u0111i\u1ec1u tr\u1ecb n\u01b0\u1edbc cho Greywater v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng reticulation phong c\u1ea3nh.<\/p>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh oxy h\u00f3a c\u1ee7a s\u1eaft (v\u00e0 mangan) trong dung d\u1ecbch DMI-65 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a clo ho\u1eb7c oxy h\u00f3a kh\u00e1c. Trong qu\u00e1 tr\u00ecnh n\u00e0y, oxy h\u00f3a lo\u1ea1i b\u1ecf c\u00e1c electron v\u00e0 \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 trong qu\u00e1 tr\u00ecnh n\u00e0y. C\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh c\u1ea7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00f3 m\u1ed9t 0,1-0,3 ppm d\u01b0 clo mi\u1ec5n ph\u00ed trong n\u01b0\u1edbc th\u1ea3i. Clo, cho \u0103n nh\u01b0 natri hypochlorite ho\u1eb7c thu\u1ed1c t\u1ea9y (12,5 NaOCl), l\u00e0 ch\u1ea5t \u00f4xi h\u00f3a \u01b0a th\u00edch v\u00ec n\u00f3 l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb ti\u1ec1n, c\u00f3 s\u1eb5n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi v\u00e0 n\u00f3 c\u00f3 hi\u1ec7u qu\u1ea3. N\u00f3 c\u0169ng th\u1ef1c hi\u1ec7n ph\u1ea7n l\u1edbn c\u1ee7a b\u1ea5t k\u1ef3 qu\u00e1 tr\u00ecnh kh\u1eed tr\u00f9ng.<\/p>\n<p>DMI-65 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn cho ti\u00eau chu\u1ea9n Hoa K\u1ef3 c\u1ee7a NSF\/ANSI 61 cho c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng v\u00e0 \u0111\u1ec3 s\u1eed d\u1ee5ng t\u1ea1i Anh v\u00e0 x\u1ee9 Wales theo quy \u0111\u1ecbnh 31 (4) (a) cung c\u1ea5p n\u01b0\u1edbc (ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc) quy \u0111\u1ecbnh 2010 v\u00e0 c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m b\u1edfi nhi\u1ec1u c\u01a1 quan x\u1eed l\u00fd n\u01b0\u1edbc kh\u00e1c v\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n<p>DMI-65 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i \u00dac.<br \/>\n<strong><br \/>\nTr\u01b0\u1eddng h\u1ee3p l\u1ecbch s\u1eed: x\u1eed tr\u1ecb n\u01b0\u1edbc cho Greywater v\u00e0 phong c\u1ea3nh reticulation<\/strong><br \/>\nC\u01a1 s\u1edf y t\u1ebf St John of God Bunbury n\u1eb1m \u1edf trung t\u00e2m khu v\u1ef1c l\u1edbn \u1edf ph\u00eda t\u00e2y nam c\u1ee7a T\u00e2y \u00dac. Khu \u0111\u1ea5t r\u1ed9ng 15 h\u00e9cta c\u00f3 c\u1ea3nh quan r\u1ed9ng l\u1edbn \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1i b\u1eb1ng n\u01b0\u1edbc. Nh\u01b0 l\u00e0 \u0111i\u1ec3n h\u00ecnh c\u1ee7a n\u01b0\u1edbc ng\u1ea7m, n\u00f3 c\u00f3 m\u1ee9c \u0111\u1ed9 cao c\u1ee7a s\u1eaft (Fe) v\u00e0 (MN), m\u00e0 \u0111\u1ec3 l\u1ea1i v\u1ebft b\u1ea9n kh\u00f3 coi, m\u00e0u \u0111\u1ecf sinh h\u1ecdc s\u1eaft b\u1ea9n v\u00e0 b\u00f9n \u0111en mangan tr\u00ean \u0111\u01b0\u1eddng \u0111i b\u1ed9, t\u00ednh n\u0103ng t\u01b0\u1eddng, C\u1eeda k\u00ednh v\u00e0 c\u1eeda s\u1ed5<\/p>\n<p>Sau khi th\u1eed nghi\u1ec7m r\u1ed9ng r\u00e3i n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u1eb1ng hi\u1ec7n t\u1ea1i mangan greensand h\u1ec7 th\u1ed1ng l\u1ecdc d\u1ef1a tr\u00ean c\u00f3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 s\u1eaft h\u00f2a tan v\u00e0 c\u00f3 \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c mangan.<\/p>\n<p>H\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean permanganat kali \u0111\u01b0\u1ee3c thay \u0111\u1ed5i th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng Quantum DMI-65 l\u00e0m t\u0103ng m\u1ee9c \u0111\u1ed9 lo\u1ea1i b\u1ecf s\u1eaft v\u00e0 c\u0169ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u1edbi mangan. C\u00e1c c\u1ea5p \u0111\u1ed9 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a \u00dac n\u01b0\u1edbc u\u1ed1ng h\u01b0\u1edbng d\u1eabn v\u00e0 t\u1ed5 ch\u1ee9c y t\u1ebf th\u1ebf gi\u1edbi ti\u00eau chu\u1ea9n cho u\u1ed1ng n\u01b0\u1edbc. M\u1ee9c s\u1eaft \u0111\u01b0\u1ee3c gi\u1ea3m t\u1eeb 11,8 mg\/l \u0111\u1ebfn 0,005 mg\/l v\u00e0 mangan c\u1ea5p \u0111\u00e3 \u0111i t\u1eeb 0,49 mg\/l \u0111\u1ebfn 0,001 mg\/l. Ngo\u00e0i ra c\u00f2n c\u00f3 b\u1eb1ng ch\u1ee9ng cho th\u1ea5y c\u00e1c DMI-65 t\u00edch c\u1ef1c lo\u1ea1i b\u1ecf c\u00e1c kim lo\u1ea1i n\u1eb7ng kh\u00e1c nh\u01b0 k\u1ebdm (Zn), barium (ba) v\u00e0 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Arsenic\" target=\"_blank\" rel=\"noopener noreferrer\">asen (as)<\/a>.<\/p>\n<p>Th\u1ea5p nh\u1ea5t to\u00e0n b\u1ed9 chi ph\u00ed cu\u1ed9c s\u1ed1ng; \u0110i\u1ec3m b\u00e1n h\u00e0ng ch\u00ednh c\u1ee5 th\u1ec3 cho RO<\/p>\n<p>C\u00f4ng ngh\u1ec7 truy\u1ec1n DMI-65 th\u00fac \u0111\u1ea9y t\u1ed1c \u0111\u1ed9 \u00f4xi h\u00f3a cao nh\u1ea5t c\u1ee7a b\u1ea5t k\u1ef3 ph\u01b0\u01a1ng ti\u1ec7n l\u1ecdc x\u00fac t\u00e1c n\u00e0o. K\u1ebft qu\u1ea3 l\u00e0, \u0111i\u1ec1u n\u00e0y cho ph\u00e9p m\u1ed9t t\u1ef7 l\u1ec7 l\u01b0u l\u01b0\u1ee3ng cao h\u01a1n \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00f9ng m\u1ed9t m\u1ee9c \u0111\u1ed9 lo\u1ea1i b\u1ecf s\u1eaft v\u00e0 mangan.<\/p>\n<h4><strong>X\u1eed l\u00fd n\u01b0\u1edbc cho Greywater-s\u1eed d\u1ee5ng DMI-65 s\u1ebd gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 c\u1ee7a b\u1ea1n v\u1edbi s\u1eaft v\u00e0 mangan nhu\u1ed9m<\/strong><strong>,<\/strong> <\/h4>\n<p><strong>L\u01b0u l\u01b0\u1ee3ng cao gi\u00e1<\/strong><strong>. <\/strong>DMI-65 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ea1i c\u00e1c v\u1eadn t\u1ed1c l\u1ecdc tuy\u1ebfn t\u00ednh l\u00ean \u0111\u1ebfn hai l\u1ea7n c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng th\u00f4ng th\u01b0\u1eddng v\u1edbi m\u1ed9t s\u1ef1 gi\u1ea3m t\u01b0\u01a1ng \u1ee9ng trong chi ph\u00ed thi\u1ebft b\u1ecb v\u1ed1n. \u0110i\u1ec1u n\u00e0y sau \u0111\u00f3 d\u1ecbch \u0111\u1ebfn t\u1ef7 l\u1ec7 l\u01b0u l\u01b0\u1ee3ng cao h\u01a1n th\u00f4ng qua h\u1ec7 th\u1ed1ng RO, \u0111\u1eb7c bi\u1ec7t l\u00e0 do hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n nh\u01b0 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c gi\u1ea3m s\u1ef1 b\u1ea9n s\u1eaft.<\/p>\n<p>B\u1edfi v\u00ec di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t t\u0103ng l\u00ean c\u1ea5u tr\u00fac vi x\u1ed1p c\u1ee7a v\u1eadt li\u1ec7u Matric \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, DMI-65 c\u0169ng c\u00f3 c\u00f4ng su\u1ea5t t\u1ea3i cao h\u01a1n, do \u0111\u00f3 k\u00e9o d\u00e0i th\u1eddi gian gi\u1eefa backr\u1eeda, do \u0111\u00f3 l\u00e0m gi\u1ea3m downtime v\u00e0 l\u00e3ng ph\u00ed.<\/p>\n<p>DMI-65 l\u00e0 b\u1ea3o d\u01b0\u1ee1ng r\u1ea5t th\u1ea5p, sau khi k\u00edch ho\u1ea1t ban \u0111\u1ea7u, ch\u1ec9 c\u00f3 th\u1ee9c \u0103n natri hypochlorite \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u00f9ng v\u1edbi r\u1eeda ng\u01b0\u1ee3c th\u01b0\u1eddng xuy\u00ean. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi m\u1ed9t ph\u1ea1m vi pH r\u1ed9ng, hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 th\u1ecfa \u0111\u00e1ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf pH 5,8 \u0111\u1ebfn 8,6.<\/p>\n<p>C\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng kh\u00f4ng c\u00f3 m\u1ed9t l\u1edbp ph\u1ee7 theo ngh\u0129a truy\u1ec1n th\u1ed1ng. C\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 l\u1edbp l\u00ean b\u1ec1 m\u1eb7t nh\u01b0ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u1edbi s\u1ef1 tu\u00e2n th\u1ee7 c\u1ea3i thi\u1ec7n th\u00f4ng qua s\u1ef1 khu\u1ebfch t\u00e1n v\u00e0o ch\u1ea5t n\u1ec1n silica. DMI-65 kh\u00f4ng \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 trong qu\u00e1 tr\u00ecnh n\u00e0y, cung c\u1ea5p nh\u1eefng l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh ho\u1eb7c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng kh\u00e1c kh\u00f4ng hi\u1ec3n th\u1ecb kh\u1ea3 n\u0103ng ph\u00e2n r\u00e3 \u0111\u1ec3 l\u00e0m c\u00f4ng vi\u1ec7c x\u00fac t\u00e1c c\u1ee7a n\u00f3. Trong th\u1eddi gian t\u1eeb 5 \u0111\u1ebfn 10 n\u0103m, th\u00f4ng qua nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng r\u1eeda ng\u01b0\u1ee3c c\u1ee7a gi\u01b0\u1eddng \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t r\u1eafn gi\u1eef l\u1ea1i, l\u1edbp x\u00fac t\u00e1c b\u1ecb suy tho\u00e1i b\u1edfi s\u1ef1 li\u00ean l\u1ea1c gi\u1eefa c\u00e1c h\u1ea1t v\u00e0 m\u00e0i m\u00f2n c\u01a1 h\u1ecdc.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;20px&#8221;]<div class=\"dt-fancy-separator\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>Tr\u01b0\u1eddng h\u1ee3p nghi\u00ean c\u1ee9u: x\u1eed tr\u1ecb n\u01b0\u1edbc cho c\u1ea3nh reticulation<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=&#8221;20px&#8221;][vc_basic_grid post_type=&#8221;post&#8221; max_items=&#8221;2&#8243; element_width=&#8221;6&#8243; item=&#8221;masonryGrid_Default&#8221; grid_id=&#8221;vc_gid:1592798402547-5c399c1c-8988-6&#8243; 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i_align=&#8221;right&#8221; i_icon_fontawesome=&#8221;fas fa-chevron-right&#8221; add_icon=&#8221;true&#8221; css=&#8221;.vc_custom_1592793128520{margin-top: 20px !important;}&#8221; el_class=&#8221;ctaButton sg-popup-id-8233&#8243;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1592451670113{margin-top: 15px !important;margin-bottom: 15px !important;}&#8221;]X\u1eed tr\u1ecb n\u01b0\u1edbc cho Greywater, t\u00e1i t\u1ea1o c\u1ea3nh quan v\u00e0 v\u01b0\u1eddn: DMI-65 l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1t silica r\u1ea5t m\u1ea1nh m\u1ebd d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u1eed l\u00fd n\u01b0\u1edbc l\u1ecdc x\u00fac t\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1eaft v\u00e0 mangan m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng kali permanganat th\u00f4ng qua&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":7157,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","footnotes":""},"class_list":["post-6023","page","type-page","status-publish","hentry","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>X\u1eed tr\u1ecb n\u01b0\u1edbc cho Greywater &amp; 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