{"id":12331,"date":"2025-01-20T16:09:03","date_gmt":"2025-01-20T21:09:03","guid":{"rendered":"http:\/\/3.96.229.193\/project\/water-treatment-after-lac-megantic-train-derailment\/"},"modified":"2026-07-24T08:39:42","modified_gmt":"2026-07-24T12:39:42","slug":"traitement-deau-a-la-suite-de-laccident-ferroviaire-de-lac-megantic","status":"publish","type":"project","link":"https:\/\/sanexen.com\/fr\/project\/traitement-deau-a-la-suite-de-laccident-ferroviaire-de-lac-megantic\/","title":{"rendered":"Traitement d\u2019eau \u00e0 la suite de l\u2019accident ferroviaire de Lac-M\u00e9gantic"},"content":{"rendered":"\n<div class=\"et_pb_section_0 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_0 et_pb_row et_pb_equal_columns et_block_row\"><div class=\"et_pb_column_0 et_pb_column et_pb_column_1_2 et_block_column et_pb_css_mix_blend_mode_passthrough ds-vertical-align\"><div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_dark et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h4>PROJET<\/h4>\n<\/div><\/div><div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_dark et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h1>Traitement d\u2019eau \u00e0 la suite de l\u2019accident ferroviaire de Lac-M\u00e9gantic<\/h1>\n<\/div><\/div><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_0_wrapper\"><a class=\"et_pb_button_0 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module border-button-white\" href=\"https:\/\/sanexen.com\/wp-content\/uploads\/2025\/11\/Business-Lac-Megantic_Jan17_FR.pdf\" target=\"_blank\">T\u00c9L\u00c9CHARGER PDF<\/a><\/div><\/div><div class=\"et_pb_column_1 et_pb_column et_pb_column_1_2 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough ds-vertical-align\"><div class=\"et_pb_divider_0 et_pb_divider_hidden et_pb_space et_pb_divider_position_top et_pb_module\"><div class=\"et_pb_divider_internal\"><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_1 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_1 et_pb_row et_pb_equal_columns et_pb_gutters1 et_block_row\"><div class=\"et_pb_column_2 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_2 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>SERVICE<\/h5>\n<\/div><\/div><div class=\"et_pb_text_3 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><a href=\"https:\/\/sanexen.com\/fr\/solutions-pfas\/\">\u00c9limination de PFAS<\/a><\/p>\n<\/div><\/div><div class=\"et_pb_text_4 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>INDUSTRIE<\/h5>\n<\/div><\/div><div class=\"et_pb_text_5 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>Municipale<\/p>\n<\/div><\/div><div class=\"et_pb_text_6 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>LIEU DU PROJET<\/h5>\n<\/div><\/div><div class=\"et_pb_text_7 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>Lac M\u00e9gantic, Qu\u00e9bec<\/p>\n<\/div><\/div><div class=\"et_pb_text_8 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>DATE DU PROJET<\/h5>\n<\/div><\/div><div class=\"et_pb_text_9 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>Juillet \u00e0 octobre 2013<\/p>\n<\/div><\/div><div class=\"et_pb_text_10 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>QUANTIT\u00c9<\/h5>\n<\/div><\/div><div class=\"et_pb_text_11 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>43 000 000 L d'eau trait\u00e9e<\/p>\n<\/div><\/div><\/div><div class=\"et_pb_column_3 et_pb_column et_pb_column_2_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_12 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>D\u00c9FIS<\/h5>\n<\/div><\/div><div class=\"et_pb_text_13 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><ul>\n<li>La situation a exig\u00e9 une mobilisation rapide des \u00e9quipements sur le site de la catastrophe.<\/li>\n<li>Des unit\u00e9s mobiles fonctionnant 24\u202fheures sur\u202f24 et 7\u202fjours sur\u202f7 \u00e9taient n\u00e9cessaires pour traiter l'eau rapidement et efficacement.<\/li>\n<li>Un programme de suivi de la qualit\u00e9 des eaux trait\u00e9es a \u00e9t\u00e9 instaur\u00e9 par le minist\u00e8re du D\u00e9veloppement durable, de l\u2019Environnement, de la Faune et des Parcs. Les objectifs de traitement fix\u00e9s par le minist\u00e8re \u00e9taient de 1\u202fmg\/L pour les HP\u202f(C1050), avec des crit\u00e8res individuels pour les HAM et HAP.<\/li>\n<\/ul>\n<\/div><\/div><div class=\"et_pb_text_14 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>CONTEXTE<\/h5>\n<\/div><\/div><div class=\"et_pb_text_15 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>En juillet 2013 survenait l\u2019une des pires catastrophes de l\u2019histoire r\u00e9cente du Canada. Un d\u00e9raillement de train transportant du p\u00e9trole brut a entra\u00een\u00e9 le d\u00e9versement et l\u2019incendie de 8\u202fmillions de litres de p\u00e9trole dans le centreville de LacM\u00e9gantic, et la mort de 47\u202fpersonnes.<\/p>\n<p>Une partie du p\u00e9trole d\u00e9vers\u00e9 s\u2019est infiltr\u00e9e dans les \u00e9gouts et s\u2019est retrouv\u00e9e dans les bassins de traitement d\u2019eau de la station d\u2019\u00e9puration de la municipalit\u00e9, n\u00e9cessitant leur mise hors service. SANEXEN a \u00e9t\u00e9 d\u00e9sign\u00e9e d\u2019urgence pour d\u00e9p\u00eacher sur place des unit\u00e9s mobiles de traitement d\u2019eau afin de nettoyer les bassins de la station de traitement et permettre ainsi sa remise en fonction. Toute l'eau contamin\u00e9e de la zone sinistr\u00e9e a \u00e9galement \u00e9t\u00e9 trait\u00e9e dans le cadre du projet.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_2 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_2 et_pb_row et_pb_equal_columns et_pb_gutters1 et_block_row\"><div class=\"et_pb_column_4 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_divider_1 et_pb_divider_hidden et_pb_space et_pb_divider_position_top et_pb_module\"><div class=\"et_pb_divider_internal\"><\/div><\/div><\/div><div class=\"et_pb_column_5 et_pb_column et_pb_column_2_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_16 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>SOLUTION<\/h5>\n<\/div><\/div><div class=\"et_pb_text_17 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>SANEXEN a mobilis\u00e9 ses \u00e9quipements de traitement 48 heures suivant l\u2019accident et a augment\u00e9 la capacit\u00e9 de traitement de ses installations d\u00e8s la premi\u00e8re semaine pour passer de 200\u202fm<sup style=\"font-size: 10px;\">3<\/sup>\/jour \u00e0 1\u202f000\u202fm<sup style=\"font-size: 10px;\">3<\/sup>\/jour.<\/p>\n<p>Des tests de toxicit\u00e9 (m\u00e9n\u00e9 t\u00eate-de-boule, daphnia magna et truite arcen-ciel) ont aussi \u00e9t\u00e9 effectu\u00e9s sur l\u2019eau trait\u00e9e afin d\u2019en v\u00e9rifier la qualit\u00e9, le rejet se faisant dans la rivi\u00e8re Chaudi\u00e8re.<\/p>\n<p>Les technologies suivantes ont \u00e9t\u00e9 utilis\u00e9es\u202f:<\/p>\n<ul>\n<li>S\u00e9paration gravitaire (avec ou sans coagulation-floculation);<\/li>\n<li>Filtration;<\/li>\n<li>Oxydation chimique;<\/li>\n<li>M\u00e9dia ULTRASORPTIONMD;<\/li>\n<li>Adsorption.<\/li>\n<\/ul>\n<p>Les eaux contamin\u00e9es r\u00e9sultant des travaux de nettoyage du site du d\u00e9raillement ainsi que du r\u00e9seau d\u2019\u00e9gout souill\u00e9 \u00e9taient achemin\u00e9es au site de la station d\u2019\u00e9puration pour traitement.<\/p>\n<\/div><\/div><div class=\"et_pb_text_18 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h5>Faits saillants du projet<\/h5>\n<\/div><\/div><div class=\"et_pb_text_19 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><ul>\n<li>Le traitement avait une efficacit\u00e9 d\u2019enl\u00e8vement de l\u2019ordre de 99\u202f%.<\/li>\n<li>Du 9\u202fjuillet au 25\u202foctobre\u202f2013, 37\u202fmillions de litres d\u2019eau ont \u00e9t\u00e9 trait\u00e9s. Les installations de traitement ont ensuite \u00e9t\u00e9 d\u00e9plac\u00e9es au centre-ville, pr\u00e8s du site du d\u00e9raillement, afin de poursuivre le traitement des eaux.<\/li>\n<li>Entre novembre et d\u00e9cembre\u202f2013, un autre 6\u202fmillions de litres d\u2019eau (eaux de pluie et de nettoyage du site du d\u00e9raillement) a \u00e9t\u00e9 trait\u00e9.<\/li>\n<li>La s\u00e9paration effectu\u00e9e en pr\u00e9traitement a g\u00e9n\u00e9r\u00e9 environ 150\u202f000\u202fL d\u2019huile et\u202f1\u202fmillion de litres de boues qui ont \u00e9t\u00e9 achemin\u00e9s \u00e0 des sites de disposition autoris\u00e9s.<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_3 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_3 et_pb_row et_pb_equal_columns et_pb_gutters1 et_block_row\"><div class=\"et_pb_column_6 et_pb_column et_pb_column_1_2 et_block_column et_pb_css_mix_blend_mode_passthrough ds-vertical-align\"><div class=\"et_pb_text_20 et_pb_text et_pb_bg_layout_dark et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\">INT\u00c9RESS\u00c9S \u00c0<br \/>\nTRAVAILLER AVEC NOUS?<\/h2>\n<\/div><\/div><div class=\"et_pb_text_21 et_pb_text et_pb_bg_layout_dark et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h4 style=\"text-align: center;\">Contactez-nous pour en apprendre plus.<\/h4>\n<\/div><\/div><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_1_wrapper\"><a class=\"et_pb_button_1 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module border-button-white\" href=\"https:\/\/sanexen.com\/contact-us\/\">NOUS \u00c9CRIRE<\/a><\/div><\/div><div class=\"et_pb_column_7 et_pb_column et_pb_column_1_2 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_divider_2 et_pb_divider_hidden et_pb_space et_pb_divider_position_top et_pb_module\"><div class=\"et_pb_divider_internal\"><\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_4 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_4 et_pb_row et_pb_gutters1 et_block_row\"><div class=\"et_pb_column_8 et_pb_column et_pb_column_1_2 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_22 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h3>VOIR DES PROJETS SIMILAIRES<\/h3>\n<\/div><\/div><\/div><div class=\"et_pb_column_9 et_pb_column et_pb_column_1_2 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><\/div><\/div><div class=\"et_pb_row_5 et_pb_row et_block_row\"><div class=\"et_pb_column_10 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_portfolio_0 et_pb_portfolio et_pb_bg_layout_light clearfix et_pb_module\"><div class=\"et_pb_ajax_pagination_container\"><div class=\"et_pb_posts et_grid_module\"><div id=\"post-12331\" class=\"et_pb_grid_item et_pb_portfolio_item post-12331 project type-project status-publish has-post-thumbnail hentry project_category-pfas-solution project_category-solution-pfas et_pb_portfolio_item_0_0\">\n\t\t\t\t\t\t\n\t\t\t\t<a href=\"https:\/\/sanexen.com\/fr\/project\/traitement-deau-a-la-suite-de-laccident-ferroviaire-de-lac-megantic\/\" title=\"Traitement d\u2019eau \u00e0 la suite de l\u2019accident ferroviaire de Lac-M\u00e9gantic\">\n\t\t\t\t\t<span class=\"et_portfolio_image\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sanexen.com\/wp-content\/uploads\/2025\/01\/PFAS_Lac-Megantic-400x284.jpg\" width=\"400\" height=\"284\" alt=\"\" class=\"et_pb_post_main_image\" \/>\n\t\t\t\t\t\t<span class=\"et_overlay\"><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<h2 class=\"et_pb_module_header\"><a href=\"https:\/\/sanexen.com\/fr\/project\/traitement-deau-a-la-suite-de-laccident-ferroviaire-de-lac-megantic\/\" title=\"Traitement d\u2019eau \u00e0 la suite de l\u2019accident ferroviaire de Lac-M\u00e9gantic\">Traitement d\u2019eau \u00e0 la suite de l\u2019accident ferroviaire de Lac-M\u00e9gantic<\/a><\/h2>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"post-12307\" class=\"et_pb_grid_item et_pb_portfolio_item post-12307 project type-project status-publish has-post-thumbnail hentry project_category-pfas-solution project_category-solution-pfas et_pb_portfolio_item_0_1\">\n\t\t\t\t\t\t\n\t\t\t\t<a href=\"https:\/\/sanexen.com\/fr\/project\/deversement-de-concentre-dafff-sur-une-base-militaire\/\" title=\"D\u00e9versement de concentr\u00e9 d\u2019AFFF \u00e0 une base militaire\">\n\t\t\t\t\t<span class=\"et_portfolio_image\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sanexen.com\/wp-content\/uploads\/2025\/01\/PFAS_Military-Canada-400x284.jpg\" width=\"400\" height=\"284\" alt=\"\" class=\"et_pb_post_main_image\" \/>\n\t\t\t\t\t\t<span class=\"et_overlay\"><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<h2 class=\"et_pb_module_header\"><a href=\"https:\/\/sanexen.com\/fr\/project\/deversement-de-concentre-dafff-sur-une-base-militaire\/\" title=\"D\u00e9versement de concentr\u00e9 d\u2019AFFF \u00e0 une base militaire\">D\u00e9versement de concentr\u00e9 d\u2019AFFF \u00e0 une base militaire<\/a><\/h2>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"post-12181\" class=\"et_pb_grid_item et_pb_portfolio_item post-12181 project type-project status-publish has-post-thumbnail hentry project_category-industrial-effluents-treatment project_category-traitement-effluents-industriels et_pb_portfolio_item_0_2\">\n\t\t\t\t\t\t\n\t\t\t\t<a href=\"https:\/\/sanexen.com\/fr\/project\/traitement-deau-provenant-dun-essai-hydrostatique-sur-un-pipeline\/\" title=\"Traitement d\u2019eau provenant d\u2019un essai hydrostatique sur un pipeline\">\n\t\t\t\t\t<span class=\"et_portfolio_image\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sanexen.com\/wp-content\/uploads\/2025\/01\/Industrial-Effluents-Sarnia-400x284.jpg\" width=\"400\" height=\"284\" alt=\"\" class=\"et_pb_post_main_image\" \/>\n\t\t\t\t\t\t<span class=\"et_overlay\"><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<h2 class=\"et_pb_module_header\"><a href=\"https:\/\/sanexen.com\/fr\/project\/traitement-deau-provenant-dun-essai-hydrostatique-sur-un-pipeline\/\" title=\"Traitement d\u2019eau provenant d\u2019un essai hydrostatique sur un pipeline\">Traitement d\u2019eau provenant d\u2019un essai hydrostatique sur un pipeline<\/a><\/h2>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"post-12153\" class=\"et_pb_grid_item et_pb_portfolio_item post-12153 project type-project status-publish has-post-thumbnail hentry project_category-industrial-effluents-treatment project_category-qikiqtaaluk-environmental project_category-qikiqtaaluk-environmental-inc project_category-traitement-effluents-industriels et_pb_portfolio_item_0_3\">\n\t\t\t\t\t\t\n\t\t\t\t<a href=\"https:\/\/sanexen.com\/fr\/project\/traitement-deau-au-depotoir-municipal-de-iqaluit-nunavut\/\" title=\"Traitement d\u2019eau au d\u00e9potoir municipal de Iqaluit, Nunavut\">\n\t\t\t\t\t<span class=\"et_portfolio_image\">\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sanexen.com\/wp-content\/uploads\/2025\/01\/Industrial-Effluents-QE-Landfill-400x284.jpg\" width=\"400\" height=\"284\" alt=\"\" class=\"et_pb_post_main_image\" \/>\n\t\t\t\t\t\t<span class=\"et_overlay\"><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<h2 class=\"et_pb_module_header\"><a href=\"https:\/\/sanexen.com\/fr\/project\/traitement-deau-au-depotoir-municipal-de-iqaluit-nunavut\/\" title=\"Traitement d\u2019eau au d\u00e9potoir municipal de Iqaluit, Nunavut\">Traitement d\u2019eau au d\u00e9potoir municipal de Iqaluit, Nunavut<\/a><\/h2>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><div class=\"pagination clearfix\"><div class=\"alignleft\">\n\t\t\t\t<a href=\"https:\/\/sanexen.com\/fr\/wp-json\/wp\/v2\/project\/12331\/page\/2\/\">&laquo; Entr\u00e9es plus anciennes<\/a>\n\t\t\t<\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>En juillet 2013 survenait l\u2019une des pires catastrophes de l\u2019histoire r\u00e9cente du Canada. Un d\u00e9raillement de train transportant du p\u00e9trole brut a entra\u00een\u00e9 le d\u00e9versement et l\u2019incendie de 8\u202fmillions de litres de p\u00e9trole dans le centreville de Lac-M\u00e9gantic, et la mort de 47\u202fpersonnes.<\/p>\n","protected":false},"author":7,"featured_media":12336,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"project_category":[94,95],"project_tag":[],"class_list":["post-12331","project","type-project","status-publish","has-post-thumbnail","hentry","project_category-pfas-solution","project_category-solution-pfas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Traitement d\u2019eau \u00e0 la suite de l\u2019accident ferroviaire de Lac-M\u00e9gantic | SANEXEN<\/title>\n<meta name=\"description\" content=\"SANEXEN treated 11,360,000 gal of water after a train transporting crude oil derailed, spilling 2.1 million 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