{"id":1171,"date":"2022-12-21T17:09:49","date_gmt":"2022-12-21T16:09:49","guid":{"rendered":"https:\/\/scispx.com\/instruments\/pecod\/"},"modified":"2026-05-08T13:06:40","modified_gmt":"2026-05-08T11:06:40","slug":"analyseur-de-dco-pecod","status":"publish","type":"instruments","link":"https:\/\/scispx.com\/fr\/instruments\/pecod\/","title":{"rendered":"Analyseur de DCO PeCOD"},"content":{"rendered":"<div class=\"vc_col-sm-6 wpb_column column_container\">\n<div id=\"image-box-1\" class=\"mk-image-box autoplay-false rounded-false align-left\">\n<div class=\"item-holder\">\n<h2 class=\"image-box-desc\">Analyseur de DCO (Demande Chimique en Oxyg\u00e8ne) rapide et portable<\/h2>\n<\/div>\n<\/div>\n<p data-start=\"254\" data-end=\"488\">Le PeCOD\u00ae COD Analyzer est un syst\u00e8me rapide et portable pour la mesure de la<strong> demande chimique en oxyg\u00e8ne (DCO)<\/strong>. Il fournit des r\u00e9sultats pr\u00e9cis de DCO en environ 10 minutes, sans utiliser de produits chimiques dangereux tels que le dichromate ou le mercure.<\/p>\n<p data-start=\"490\" data-end=\"754\">La technologie repose sur une approche nanotechnologique brevet\u00e9e et convient aussi bien aux applications en eaux us\u00e9es qu\u2019en eau potable. Elle permet d\u2019acc\u00e9l\u00e9rer consid\u00e9rablement l\u2019analyse tout en r\u00e9duisant l\u2019impact environnemental et les risques pour la sant\u00e9, aussi bien en laboratoire que sur le terrain.<\/p>\n<\/div>\n<h3 data-section-id=\"1w626sa\" data-start=\"761\" data-end=\"800\"><strong>Chimie s\u00fbre et respectueuse de l\u2019environnement\u00a0<\/strong><\/h3>\n<p data-start=\"802\" data-end=\"956\">Le c\u0153ur du syst\u00e8me est le capteur PeCOD, qui utilise un photocatalyseur \u00e0 base de nanoparticules de dioxyde de titane (TiO\u2082) activ\u00e9es par UV, reli\u00e9 \u00e0 un circuit externe.<\/p>\n<p data-start=\"958\" data-end=\"993\"><strong>Lorsqu\u2019un \u00e9chantillon p\u00e9n\u00e8tre dans la microcellule :<\/strong><\/p>\n<ul data-start=\"995\" data-end=\"1178\">\n<li data-section-id=\"1hlyiv7\" data-start=\"995\" data-end=\"1042\">Le capteur TiO\u2082 est irradi\u00e9 par une lumi\u00e8re UV<\/li>\n<li data-section-id=\"ctdwin\" data-start=\"1043\" data-end=\"1074\">Un potentiel \u00e9lectrique est appliqu\u00e9<\/li>\n<li data-section-id=\"gxmpsq\" data-start=\"1075\" data-end=\"1129\">Des trous photo\u2011g\u00e9n\u00e9r\u00e9s \u00e0 fort pouvoir oxydant sont produits<\/li>\n<li data-section-id=\"slnmyr\" data-start=\"1130\" data-end=\"1178\">Les compos\u00e9s organiques de l\u2019\u00e9chantillon sont oxyd\u00e9s<\/li>\n<\/ul>\n<p data-start=\"1180\" data-end=\"1428\">Ce proc\u00e9d\u00e9 permet une oxydation quasi compl\u00e8te des mati\u00e8res organiques, fournissant une mesure fiable de la DCO pour une large gamme de compos\u00e9s. La forte capacit\u00e9 oxydante du TiO\u2082 activ\u00e9 par UV garantit des performances constantes et reproductibles.<\/p>\n<h3 data-section-id=\"g21fl0\" data-start=\"1435\" data-end=\"1481\"><strong>Pourquoi le PeCOD est\u2011il consid\u00e9r\u00e9 comme une m\u00e9thode DCO plus s\u00fbre\u202f?<\/strong><\/h3>\n<p data-start=\"1483\" data-end=\"1629\">Par rapport aux m\u00e9thodes traditionnelles de mesure de la DCO, le PeCOD repose sur une approche de chimie verte. Il n\u2019utilise pas de r\u00e9actifs dangereux tels que le dichromate ou le mercure.<\/p>\n<p data-start=\"1631\" data-end=\"1652\"><strong>Principaux avantages :<\/strong><\/p>\n<ul data-start=\"1654\" data-end=\"1842\">\n<li data-section-id=\"1h414vo\" data-start=\"1654\" data-end=\"1693\">Aucun oxydant toxique requis<\/li>\n<li data-section-id=\"1dm5tc2\" data-start=\"1694\" data-end=\"1747\">R\u00e9duction significative des risques pour le personnel<\/li>\n<li data-section-id=\"1umeod2\" data-start=\"1748\" data-end=\"1796\">Manipulation plus s\u00fbre \u00e0 toutes les \u00e9tapes de l\u2019analyse<\/li>\n<li data-section-id=\"1ntlnvh\" data-start=\"1797\" data-end=\"1842\">Proc\u00e9d\u00e9 analytique plus respectueux de l\u2019environnement<\/li>\n<\/ul>\n<p data-start=\"1844\" data-end=\"1931\">Le syst\u00e8me garantit une utilisation s\u00fbre aussi bien pour le personnel de laboratoire que pour les op\u00e9rateurs sur site.<\/p>\n<h3 data-section-id=\"1gufa3v\" data-start=\"1938\" data-end=\"1992\"><strong>Rapidit\u00e9 et pr\u00e9cision de la mesure DCO<\/strong><\/h3>\n<p data-start=\"1994\" data-end=\"2214\">Le PeCOD est con\u00e7u pour une d\u00e9termination rapide de la DCO, avec des <strong>r\u00e9sultats disponibles en environ 10 minutes<\/strong>. Il permet une quantification rapide et fiable de la DCO, facilitant la prise de d\u00e9cision en temps r\u00e9el pour le suivi des proc\u00e9d\u00e9s et la surveillance environnementale.<\/p>\n<p data-start=\"2216\" data-end=\"2305\">La technologie offre une excellente pr\u00e9cision pour un large \u00e9ventail de compos\u00e9s organiques.<\/p>\n<h3 data-section-id=\"1e5lauf\" data-start=\"2312\" data-end=\"2372\"><strong>Lien entre PeCOD, DBO et m\u00e9thodes DCO traditionnelles<\/strong><\/h3>\n<p data-start=\"2374\" data-end=\"2440\">Des \u00e9tudes ont d\u00e9montr\u00e9 une forte corr\u00e9lation entre les r\u00e9sultats de DCO mesur\u00e9s par PeCOD et :<\/p>\n<ul data-start=\"2442\" data-end=\"2517\">\n<li data-section-id=\"x9s4bt\" data-start=\"2442\" data-end=\"2485\">Les m\u00e9thodes DCO standards au dichromate (DCO\u208dCr\u208e)<\/li>\n<li data-section-id=\"1h4pjil\" data-start=\"2486\" data-end=\"2517\">Les m\u00e9thodes de DBO \u00e0 5 jours (DBO\u2085)<\/li>\n<\/ul>\n<p data-start=\"2519\" data-end=\"2643\">Dans de nombreuses applications, le PeCOD peut \u00eatre utilis\u00e9 comme outil de pr\u00e9s\u00e9lection de la DBO, permettant une estimation de la DBO en quelques minutes au lieu de plusieurs jours.<\/p>\n<h3 data-section-id=\"ohvlxp\" data-start=\"2650\" data-end=\"2702\"><strong>Applications\u00a0<\/strong><\/h3>\n<p data-start=\"2704\" data-end=\"2815\">Le PeCOD COD Analyzer est utilis\u00e9 dans de nombreux contextes environnementaux, industriels et de laboratoire, notamment :<\/p>\n<ul data-start=\"2817\" data-end=\"2995\">\n<li data-section-id=\"onxg3y\" data-start=\"2817\" data-end=\"2842\">Eaux us\u00e9es industrielles<\/li>\n<li data-section-id=\"30en1d\" data-start=\"2843\" data-end=\"2867\">Eaux us\u00e9es municipales<\/li>\n<li data-section-id=\"d6px6e\" data-start=\"2868\" data-end=\"2895\">Industrie de la p\u00e2te \u00e0 papier et du papier<\/li>\n<li data-section-id=\"1h4rqda\" data-start=\"2896\" data-end=\"2926\">L\u2019industrie agroalimentaire<\/li>\n<li data-section-id=\"zxzaol\" data-start=\"2927\" data-end=\"2954\">Analyse de l'eau potable<\/li>\n<li data-section-id=\"takzo0\" data-start=\"2955\" data-end=\"2995\">Recherche et applications en laboratoire<\/li>\n<\/ul>\n<h3><strong>Configurations de l'analyseur COD :<\/strong><\/h3>\n<div>\n<table>\n<tbody>\n<tr>\n<th><strong>Caract\u00e9ristique \/ avantage<\/strong><\/th>\n<th><strong>Benchtop L50<\/strong><\/th>\n<th><strong>Portable L50<\/strong><\/th>\n<th><strong>Automated L50<\/strong><\/th>\n<th><strong>Online L50<\/strong><\/th>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Utilisation principale<\/strong><\/th>\n<td>Mod\u00e8le de paillasse pour l\u2019analyse COD de routine en laboratoire<\/td>\n<td>Analyse COD portable sur site<\/td>\n<td>Analyse COD en laboratoire \u00e0 haut d\u00e9bit, sans surveillance<\/td>\n<td>Surveillance COD continue en ligne<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Environnements typiques<\/strong><\/th>\n<td>Laboratoires industriels, municipaux, gouvernementaux et acad\u00e9miques<\/td>\n<td>Sites de terrain, tests \u00e0 distance ou sur site<\/td>\n<td>Laboratoires traitant de grands volumes d'\u00e9chantillons<\/td>\n<td>Stations d\u2019\u00e9puration, surveillance de proc\u00e9d\u00e9s<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Encombrement \/ dimensions<\/strong><\/th>\n<td>280 \u00d7 210 mm (11.00 \u00d7 8.25 in)<\/td>\n<td>508 \u00d7 355,6 \u00d7 609,6 mm (20 \u00d7 14 \u00d7 24 in)<\/td>\n<td>\/<\/td>\n<td>\/<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Poids<\/strong><\/th>\n<td>7 kg (15,5 lb)<\/td>\n<td>~16 kg (35 lb) avec analyseur et consommables<\/td>\n<td>\/<\/td>\n<td>\/<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Portabilit\u00e9<\/strong><\/th>\n<td>Paillasse, non portable<\/td>\n<td>Enti\u00e8rement portable, avec valise \u00e0 roulettes<\/td>\n<td>Installation fixe<\/td>\n<td>Installation fixe<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Gestion des \u00e9chantillons<\/strong><\/th>\n<td>Pr\u00e9l\u00e8vement manuel en laboratoire<\/td>\n<td>Pr\u00e9l\u00e8vement sur le terrain, sans digestion requise<\/td>\n<td>Gestion automatis\u00e9e de centaines d\u2019\u00e9chantillons<\/td>\n<td>\u00c9chantillonnage automatique depuis lignes \u00e0 faible d\u00e9bit ou cuves<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Niveau d'automatisation<\/strong><\/th>\n<td>Fonctionnement manuel<\/td>\n<td>Fonctionnement manuel<\/td>\n<td>Analyse enti\u00e8rement automatis\u00e9e et sans surveillance<\/td>\n<td>Analyse enti\u00e8rement automatis\u00e9e en temps r\u00e9el<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Logiciel<\/strong><\/th>\n<td>Logiciel MANTECH Pro\u2122<\/td>\n<td>Logiciel MANTECH Pro\u2122<\/td>\n<td>\/<\/td>\n<td>\/<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Calibration<\/strong><\/th>\n<td>\/<\/td>\n<td>\/<\/td>\n<td>Pr\u00e9\u2011calibr\u00e9 quotidiennement<\/td>\n<td>\/<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Param\u00e8tres suppl\u00e9mentaires (en option)<\/strong><\/th>\n<td>\/<\/td>\n<td>\/<\/td>\n<td>pH, EC, alcalinit\u00e9, DBO, turbidit\u00e9<\/td>\n<td>pH, conductivit\u00e9, alcalinit\u00e9, ammoniaque<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Support \u00e0 l\u2019optimisation des proc\u00e9d\u00e9s<\/strong><\/th>\n<td>Non<\/td>\n<td>Non<\/td>\n<td>Non<\/td>\n<td>Oui, r\u00e9sultats de la DCO en temps r\u00e9el<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Interface de contr\u00f4le avanc\u00e9e<\/strong><\/th>\n<td>Interface standard via le logiciel<\/td>\n<td>Interface standard via le logiciel<\/td>\n<td>\/<\/td>\n<td>\u00c9cran tactile HMI pour le contr\u00f4le de l'op\u00e9rateur<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\"><strong>Options de mise \u00e0 niveau<\/strong><\/th>\n<td>Peut \u00eatre mis \u00e0 niveau vers des syst\u00e8mes Automated ou Online<\/td>\n<td>\/<\/td>\n<td>\/<\/td>\n<td>Ajustement automatis\u00e9 du pH et dilutions en option<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><strong>Le saviez-vous ?<\/strong><\/h3>\n<p><img decoding=\"async\" class=\"alignleft wp-image-3927 size-thumbnail\" src=\"https:\/\/beunderonde.nl\/wp-content\/uploads\/2021\/01\/Capture-WWF-150x150.png\" alt=\" largeur=\" height=\"150\" \/>Le World Wildlife Fund (WWF), en collaboration avec RBC Tech for Nature et Microsoft, a s\u00e9lectionn\u00e9 le PeCOD\u00ae de MANTECH comme finaliste du <a href=\"https:\/\/eur04.safelinks.protection.outlook.com\/?url=https%3A%2F%2Fmantech-inc.us9.list-manage.com%2Ftrack%2Fclick%3Fu%3Ddac76dd12a2873795cc22a0c3%26id%3D7268ac62ab%26e%3Da44a53cd51&amp;data=05%7C01%7CC.Scheffer%40beunderonde.nl%7Caf9627ea644546289f8208da3f31608b%7C0809b8f9eb804bd4bd9afebdbb0dbcf8%7C0%7C0%7C637891778567973826%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=QvUhZQCN3YuFjukF3u2pGNfzb1HJWeWXCNkfa6VPHMc%3D&amp;reserved=0\">Nature x Carbon Challenge\u202f<\/a>! Ce concours vise \u00e0 soutenir les technologies d\u2019analyse du carbone accessibles aux communaut\u00e9s pour des <a href=\"https:\/\/eur04.safelinks.protection.outlook.com\/?url=https%3A%2F%2Fmantech-inc.us9.list-manage.com%2Ftrack%2Fclick%3Fu%3Ddac76dd12a2873795cc22a0c3%26id%3Dc1d577e663%26e%3Da44a53cd51&amp;data=05%7C01%7CC.Scheffer%40beunderonde.nl%7Caf9627ea644546289f8208da3f31608b%7C0809b8f9eb804bd4bd9afebdbb0dbcf8%7C0%7C0%7C637891778567973826%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=cvMV1jKAasySEMwaZFOh1Sg2HraZ0V4E5wZkFy8arOc%3D&amp;reserved=0\">solutions climatiques bas\u00e9es sur la nature (NbCS),<\/a><a href=\"https:\/\/eur04.safelinks.protection.outlook.com\/?url=https%3A%2F%2Fmantech-inc.us9.list-manage.com%2Ftrack%2Fclick%3Fu%3Ddac76dd12a2873795cc22a0c3%26id%3D16689682f9%26e%3Da44a53cd51&amp;data=05%7C01%7CC.Scheffer%40beunderonde.nl%7Caf9627ea644546289f8208da3f31608b%7C0809b8f9eb804bd4bd9afebdbb0dbcf8%7C0%7C0%7C637891778567973826%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=QNlQQLA5JYvUx8WaCj57jOTvvLvG3udjVBSu1lgE4q4%3D&amp;reserved=0\">afin de lutter contre la perte de biodiversit\u00e9 et le changement climatique.<\/a>.<\/p>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does Chemical Oxygen Demand measure?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Chemical Oxygen Demand measures the amount of oxygen required to oxidize organic matter in water. 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By eliminating these hazardous chemicals, the method significantly reduces environmental impact and health risks for users.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How fast is COD measurement using PeCOD?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The PeCOD\\u00ae Analyzer delivers COD results in approximately ten minutes. This is significantly faster than traditional COD methods, which often require extended digestion and cooling times.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How does PeCOD\\u00ae compare to traditional dichromate COD methods?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Studies have shown that PeCOD\\u00ae COD results correlate strongly with standard dichromate\\u2011based COD methods. This allows PeCOD\\u00ae to be used as a reliable alternative without hazardous reagents.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why is rapid COD measurement important in water monitoring?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Rapid COD measurement allows near real\\u2011time decision\\u2011making in process control, wastewater treatment optimization, and environmental monitoring, where delayed results can impact operational efficiency.\"\n            }\n        }\n    ]\n}<\/script><\/p>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"Product\",\n    \"name\": \"PeCOD COD analyzer\",\n    \"image\": \"https:\\\/\\\/scispx.com\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/PeCOD-L50-Marketing-Straight-Shot-with-Reflection-scaled-1.jpg\",\n    \"description\": \"PeCOD COD Analyzer: fast, portable system for measuring Chemical Oxygen Demand. 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