{"id":5908,"date":"2020-06-09T11:32:25","date_gmt":"2020-06-09T03:32:25","guid":{"rendered":"http:\/\/dmi65.com\/moi-truong-dewatering\/"},"modified":"2020-06-26T11:16:21","modified_gmt":"2020-06-26T03:16:21","slug":"moi-truong-dewatering","status":"publish","type":"page","link":"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/","title":{"rendered":"H\u1ec7 th\u1ed1ng dewatering"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1592380872429{margin-top: 15px !important;margin-bottom: 15px !important;}&#8221;]M\u00f4i tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng dewatering: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Dewatering\" target=\"_blank\" rel=\"noopener noreferrer\"><br \/>\n  <em>dewatering<\/em><br \/>\n<\/a> \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c n\u01b0\u1edbc t\u1eeb m\u1ed9t trang web m\u00e0 t\u00edch l\u0169y trong khai qu\u1eadt earthwork ho\u1eb7c b\u00ean d\u01b0\u1edbi c\u1ea5u tr\u00fac \u1edf ho\u1eb7c d\u01b0\u1edbi b\u1ea3ng n\u01b0\u1edbc hi\u1ec7n c\u00f3. C\u00e1c ho\u1ea1t \u0111\u1ed9ng dewatering l\u00e0 v\u0129nh vi\u1ec5n ho\u1eb7c t\u1ea1m th\u1eddi. Th\u1ea3i v\u0129nh vi\u1ec5n x\u1ea3y ra t\u1eeb c\u00e1c trang web c\u00f3 c\u1ea5u tr\u00fac t\u1ea1i ho\u1eb7c d\u01b0\u1edbi b\u1ea3ng n\u01b0\u1edbc hi\u1ec7n c\u00f3 v\u00ed d\u1ee5 nh\u01b0 h\u1ed1 m\u1ecf, B\u00e3i \u0111\u1ed7 xe ng\u1ea7m d\u01b0\u1edbi t\u00f2a nh\u00e0. Th\u1ea3i t\u1ea1m th\u1eddi x\u1ea3y ra t\u1eeb c\u00e1c trang web c\u00f3 n\u01b0\u1edbc v\u00e0o khai qu\u1eadt earthwork. M\u1ed9t x\u1ea3 t\u1ea1m th\u1eddi th\u01b0\u1eddng x\u1ea3y ra trong th\u1eddi gian c\u1ee7a giai \u0111o\u1ea1n x\u00e2y d\u1ef1ng.[\/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-7448\">\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-7448 .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-4810\">\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-4810 .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-9169\">\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-9169 .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-8623\">\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-8623 .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-6743\">\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-6743 .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><\/span><\/div><\/li><li><div class=\"uavc-list-content\" id=\"list-icon-wrap-2415\">\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-2415 .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>[vc_column_text]Khai qu\u1eadt d\u01b0\u1edbi m\u1ee9c n\u01b0\u1edbc ng\u1ea7m hi\u1ec7n c\u00f3 ti\u1ec1m n\u0103ng t\u1ea1o ra c\u00e1c tr\u1ea7m t\u00edch \u0111\u00e1ng k\u1ec3, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 d\u1ecbch v\u1ee5 v\u00e0 c\u00e1c t\u00e1c \u0111\u1ed9ng ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u00e1c tr\u00ean c\u00e1c m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc ng\u1ecdt v\u00e0 c\u1eeda s\u00f4ng nh\u1ea1y c\u1ea3m. V\u1ea5n \u0111\u1ec1 ph\u00e1t sinh t\u1eeb c\u00e1c ho\u1ea1t \u0111\u1ed9ng <a href=\"https:\/\/en.wikipedia.org\/wiki\/Dewatering\" target=\"_blank\" rel=\"noopener noreferrer\">dewatering<\/a> n\u1eb1m \u1edf c\u00e1c khu v\u1ef1c ven bi\u1ec3n, n\u01a1i c\u00e1c m\u1ee9c \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1ef1 nhi\u00ean l\u00e0 d\u01b0\u1edbi 5mAHD. Nh\u1eefng khu v\u1ef1c n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ee9a \u0111\u1ea5t th\u1ef1c t\u1ebf ho\u1eb7c ti\u1ec1m n\u0103ng sulphate axit. C\u00e1c m\u00e1y \u00e9p c\u1ea7n thi\u1ebft cho vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c t\u1ea7ng h\u1ea7m do \u0111\u00f3 th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 trong vi\u1ec7c khai th\u00e1c (th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c Spears n\u01b0\u1edbc ng\u1ea7m) c\u1ee7a pH th\u1ea5p (axit) n\u01b0\u1edbc ng\u1ea7m.<\/p>\n<p>\u0110\u1ed9 h\u00f2a tan c\u1ee7a nhi\u1ec1u kim lo\u1ea1i l\u00e0 \u0111\u1ed9 pH nh\u1ea1y c\u1ea3m v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 h\u00f2a tan c\u1ee7a s\u1eaft v\u00e0 mangan t\u0103ng \u0111\u00e1ng k\u1ec3 \u1edf pH th\u1ea5p h\u01a1n. B\u1edfi v\u00ec t\u00e0i s\u1ea3n n\u00e0y, n\u01b0\u1edbc ng\u1ea7m c\u00f3 t\u00ednh axit th\u01b0\u1eddng ch\u1ee9a n\u1ed3ng \u0111\u1ed9 cao c\u1ee7a c\u00e1c kim lo\u1ea1i h\u00f2a tan, m\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng m\u00e0u trong khi \u1edf tr\u1ea1ng th\u00e1i h\u00f2a tan. Trong khi hi\u1ec7n di\u1ec7n trong m\u1ed9t h\u00ecnh th\u1ee9c h\u00f2a tan \u1edf pH th\u1ea5p, c\u00e1c kim lo\u1ea1i n\u00e0y c\u0169ng r\u1ea5t \u0111\u1ed9c h\u1ea1i cho nhi\u1ec1u h\u00ecnh th\u1ee9c c\u1ee7a \u0111\u1eddi s\u1ed1ng th\u1ee7y sinh.<\/p>\n<p>N\u1ebfu n\u01b0\u1edbc c\u00f3 t\u00ednh axit chi\u1ebft xu\u1ea5t \u0111\u01b0\u1ee3c th\u1ea3i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb \u0111\u1ec3 c\u1eeda s\u00f4ng ho\u1eb7c bi\u1ec3n nh\u1eadn m\u1ed9t lo\u1ea1t c\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra, bao g\u1ed3m c\u1ea3 t\u1ef7 l\u1ec7 t\u1eed vong tr\u1ef1c ti\u1ebfp ho\u1eb7c th\u01b0\u01a1ng t\u00edch cho \u0111\u1eddi s\u1ed1ng th\u1ee7y sinh, gi\u1ea3m dung t\u00edch \u0111\u1ec7m pH c\u1ee7a c\u1eeda s\u00f4ng, thi\u1ec7t h\u1ea1i cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, v\u00e0 m\u1ea5t c\u00e1c d\u1ecbch v\u1ee5 tr\u1ef1c quan t\u1eeb plumes th\u1ecb gi\u00e1c<\/p>\n<p>M\u1ed9t \u0111\u00e1nh gi\u00e1 v\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a th\u1ea3m th\u1ef1c v\u1eadt \u0111\u1ecba ph\u01b0\u01a1ng, l\u00f2 xo, \u0111\u1ea5t ng\u1eadp n\u01b0\u1edbc v\u00e0 c\u00e1c c\u00f4ng vi\u1ec7c c\u1ee7a ng\u01b0\u1eddi kh\u00e1c trong v\u00f9ng l\u00e2n c\u1eadn c\u1ee7a m\u1ed9t d\u1ef1 \u00e1n kh\u1eed n\u01b0\u1edbc n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi kh\u1eed n\u01b0\u1edbc. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00e1nh gi\u00e1 cho th\u1ea5y ti\u1ec1m n\u0103ng gi\u1ea3m trong b\u1ea3ng n\u01b0\u1edbc ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng ng\u1ea7m, c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh n\u00ean ho\u1eb7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u00e1y \u00e9p \u0111\u1ec3 v\u01b0\u1ee3t qua m\u1ed1i \u0111e d\u1ecda n\u00e0y ho\u1eb7c cung c\u1ea5p m\u1ed9t ngu\u1ed3n cung c\u1ea5p n\u01b0\u1edbc thay th\u1ebf ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c cho c\u00e1c b\u00ean b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n<p>Odour v\u1ea5n \u0111\u1ec1 ph\u00e1t ra t\u1eeb c\u00e1c ho\u1ea1t \u0111\u1ed9ng m\u00e1y \u00e9p c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn c\u01b0 d\u00e2n xung quanh trang web. N\u1ebfu n\u01b0\u1edbc ng\u1ea7m b\u1ecb \u00f4 nhi\u1ec5m, c\u00e1c lo\u1ea1i kh\u00ed nh\u01b0 hydro sulphide v\u00e0 hydrocacbon c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng trong qu\u00e1 tr\u00ecnh kh\u1eed n\u01b0\u1edbc. Khi ph\u00e1t h\u00e0nh c\u00e1c lo\u1ea1i kh\u00ed n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra m\u00f9i h\u00f4i nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 ch\u1ecbu cho c\u01b0 d\u00e2n l\u00e2n c\u1eadn.<\/p>\n<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<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.<\/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<h4>\u01afu \u0111i\u1ec3m c\u1ee7a s\u1eed d\u1ee5ng DMI-65 trong m\u00f4i tr\u01b0\u1eddng dewatering<\/h4>\n<p><strong>Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh. <\/strong>DMI-65 hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf s\u1eaft h\u00f2a tan \u0111\u1ebfn m\u1ee9c g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n th\u1ea5p nh\u01b0 0,001 PPM v\u00e0 mangan \u0111\u1ebfn 0,001 PPM m\u00e0 s\u1ebd cho ph\u00e9p x\u1ea3 n\u01b0\u1edbc v\u00e0o m\u00f4i tr\u01b0\u1eddng trong h\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c khu v\u1ef1c ph\u00e1p l\u00fd.<\/p>\n<p><strong>Gi\u1ea3m chi ph\u00ed <\/strong>T\u1ed5ng chi ph\u00ed c\u1ee7a s\u1eaft v\u00e0 mangan lo\u1ea1i b\u1ecf h\u1ec7 th\u1ed1ng l\u1ecdc n\u01b0\u1edbc l\u00e0 \u0111\u00e1ng k\u1ec3 \u00edt h\u01a1n so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf, hi\u1ec7u qu\u1ea3, nh\u01b0ng t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n, c\u1ee7a DMI-65 h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean l\u00e0m gi\u1ea3m chi ti\u00eau v\u1ed1n \u0111\u1ea7u t\u01b0 v\u00e0o ph\u1ee9c t\u1ea1p nh\u00e0 m\u00e1y c\u0169ng nh\u01b0 c\u00e1c chi ti\u00eau ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong h\u00f3a ch\u1ea5t, \u0111i\u1ec7n v\u00e0 ph\u00eda ch\u1ea5t th\u1ea3i n\u01b0\u1edbc ph\u1ee5c h\u1ed3i.<\/p>\n<p><strong>L\u01b0u l\u01b0\u1ee3ng cao gi\u00e1<\/strong>. C\u00f4ng ngh\u1ec7 <em>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<\/em>. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p m\u1ed9t t\u1ef7 l\u1ec7 l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 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. 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.<\/p>\n<p><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i cao<\/strong> B\u1edfi v\u00ec di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t t\u0103ng l\u00ean do c\u1ea5u tr\u00fac vi x\u1ed1p c\u1ee7a v\u1eadt li\u1ec7u ma tr\u1eadn, DMI-65 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3i s\u1eaft v\u00e0 mangan cao h\u01a1n, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian ch\u1ea1y b\u1ed9 l\u1ecdc v\u00e0 th\u1eddi gian gi\u1eefa r\u1eeda m\u1eb7t, do \u0111\u00f3 l\u00e0m gi\u1ea3m s\u1ef1 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 l\u00e3ng ph\u00ed.<\/p>\n<p><strong>T\u00e1i t\u1ea1o kh\u00f4ng b\u1eaft bu\u1ed9c<\/strong><strong>. <\/strong>C\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u1edbi m\u1ed9t ti\u00eam li\u00ean t\u1ee5c c\u1ee7a natri hypochlorite \u1edf m\u1ee9c th\u1ea5p c\u00f2n l\u1ea1i (0,1 \u0111\u1ebfn 0,3 ppm) m\u00e0 lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n cho kali permanganat.<\/p>\n<p><strong>M\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng r\u1ed9ng<\/strong><strong>. <\/strong>Hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 th\u1ecfa \u0111\u00e1ng \u1edf pH 5,8 \u0111\u1ebfn 8,6 v\u00e0 nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a 113 \u00b0 F (45 \u00b0 c) l\u00e0m gi\u1ea3m nhu c\u1ea7n \u0111\u1ea7u t\u01b0 \u0111\u1ec3 thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p><strong>Cu\u1ed9c s\u1ed1ng l\u00e2u d\u00e0i. <\/strong>DMI-65 kh\u00f4ng \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 trong qu\u00e1 tr\u00ecnh n\u00e0y cho n\u00f3 m\u1ed9t cu\u1ed9c s\u1ed1ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1 ki\u1ebfn l\u00ean \u0111\u1ebfn 10 n\u0103m, 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. C\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng kh\u00f4ng hi\u1ec3n th\u1ecb m\u1ed9t kh\u1ea3 n\u0103ng m\u1ee5c n\u00e1t \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 m\u1eb7t sau c\u1ee7a gi\u01b0\u1eddng \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t r\u1eafn gi\u1eef l\u1ea1i, m\u1ed9t m\u1ea5t m\u00e1t c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u1ea3y ra b\u1eb1ng c\u00e1ch li\u00ean l\u1ea1c gi\u1eefa c\u00e1c h\u1ea1t v\u00e0 m\u00e0i m\u00f2n c\u01a1 kh\u00ed[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"dt-fancy-separator title-left\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>Tr\u01b0\u1eddng h\u1ee3p nghi\u00ean c\u1ee9u: dewatering m\u00f4i tr\u01b0\u1eddng<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_masonry_grid post_type=&#8221;post&#8221; max_items=&#8221;4&#8243; element_width=&#8221;6&#8243; grid_id=&#8221;vc_gid:1592797707753-1da1fd6c-51c1-4&#8243; taxonomies=&#8221;1061&#8243; css=&#8221;.vc_custom_1592706876269{margin-top: 15px !important;}&#8221;][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1592794121420{padding-top: 20px !important;padding-right: 20px !important;padding-bottom: 5px !important;padding-left: 20px !important;}&#8221; el_class=&#8221;cta&#8221;][vc_column]<div class=\"dt-fancy-separator\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>H\u1ecfi th\u0103m \u0111\u1ec3 t\u00ecm hi\u1ec3u c\u00e1ch DMI-65\u00ae ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng l\u1ecdc c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 v\u1edbi nhu c\u1ea7u m\u00e1y \u00e9p m\u00f4i tr\u01b0\u1eddng c\u1ee7a b\u1ea1n.<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_btn title=&#8221;H\u1ecfi&#8221; style=&#8221;custom&#8221; custom_background=&#8221;#162441&#8243; custom_text=&#8221;#ffffff&#8221; shape=&#8221;square&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; 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_1592380872429{margin-top: 15px !important;margin-bottom: 15px !important;}&#8221;]M\u00f4i tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng dewatering: dewatering \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c n\u01b0\u1edbc t\u1eeb m\u1ed9t trang web m\u00e0 t\u00edch l\u0169y trong khai qu\u1eadt earthwork ho\u1eb7c b\u00ean d\u01b0\u1edbi c\u1ea5u tr\u00fac \u1edf ho\u1eb7c d\u01b0\u1edbi b\u1ea3ng n\u01b0\u1edbc hi\u1ec7n c\u00f3. C\u00e1c ho\u1ea1t \u0111\u1ed9ng dewatering l\u00e0 v\u0129nh vi\u1ec5n ho\u1eb7c t\u1ea1m th\u1eddi. Th\u1ea3i&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-5908","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>H\u1ec7 th\u1ed1ng dewatering m\u00f4i tr\u01b0\u1eddng cho x\u00e2y d\u1ef1ng - DMI-65\u00ae<\/title>\n<meta name=\"description\" content=\"DMI-65\u00ae c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u1ec7 th\u1ed1ng m\u00e1y dewatering m\u00f4i tr\u01b0\u1eddng: \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c n\u01b0\u1edbc t\u1eeb m\u1ed9t trang web m\u00e0 t\u00edch l\u0169y trong khai qu\u1eadt earthwork\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ec7 th\u1ed1ng dewatering m\u00f4i tr\u01b0\u1eddng cho x\u00e2y d\u1ef1ng - DMI-65\u00ae\" \/>\n<meta property=\"og:description\" content=\"DMI-65\u00ae c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u1ec7 th\u1ed1ng m\u00e1y dewatering m\u00f4i tr\u01b0\u1eddng: \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c n\u01b0\u1edbc t\u1eeb m\u1ed9t trang web m\u00e0 t\u00edch l\u0169y trong khai qu\u1eadt earthwork\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/\" \/>\n<meta property=\"og:site_name\" content=\"DMI-65\u00ae\" \/>\n<meta property=\"article:modified_time\" content=\"2020-06-26T03:16:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dmi65.com\/wp-content\/uploads\/2020\/06\/dmi65_Logo_Blk.png\" \/>\n\t<meta property=\"og:image:width\" content=\"466\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/\",\"url\":\"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/\",\"name\":\"H\u1ec7 th\u1ed1ng dewatering m\u00f4i tr\u01b0\u1eddng cho x\u00e2y d\u1ef1ng - DMI-65\u00ae\",\"isPartOf\":{\"@id\":\"https:\/\/dmi65.com\/vi\/#website\"},\"datePublished\":\"2020-06-09T03:32:25+00:00\",\"dateModified\":\"2020-06-26T03:16:21+00:00\",\"description\":\"DMI-65\u00ae c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u1ec7 th\u1ed1ng m\u00e1y dewatering m\u00f4i tr\u01b0\u1eddng: \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c n\u01b0\u1edbc t\u1eeb m\u1ed9t trang web m\u00e0 t\u00edch l\u0169y trong khai qu\u1eadt earthwork\",\"breadcrumb\":{\"@id\":\"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/#breadcrumb\"},\"inLanguage\":\"vi-VN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/dmi65.com\/vi\/giai-phap\/moi-truong-dewatering\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/dmi65.com\/vi\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gi\u1ea3i ph\u00e1p\",\"item\":\"https:\/\/dmi65.com\/vi\/giai-phap\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"H\u1ec7 th\u1ed1ng dewatering\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/dmi65.com\/vi\/#website\",\"url\":\"https:\/\/dmi65.com\/vi\/\",\"name\":\"DMI-65\u00ae\",\"description\":\"Water Filtration &amp; 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