{"id":12558,"date":"2020-04-21T17:28:53","date_gmt":"2020-04-21T15:28:53","guid":{"rendered":"https:\/\/www.advancedmanufacturingmadrid.com\/?p=12558"},"modified":"2025-06-16T15:21:15","modified_gmt":"2025-06-16T13:21:15","slug":"tecnologia-de-purificacion-del-aire-en-tiempos-del-coronavirus-siguen-siendo-aplicables-los-sistemas-de-ventilacion-generales","status":"publish","type":"post","link":"https:\/\/www.advancedmanufacturingmadrid.com\/en\/2020\/04\/21\/tecnologia-de-purificacion-del-aire-en-tiempos-del-coronavirus-siguen-siendo-aplicables-los-sistemas-de-ventilacion-generales\/","title":{"rendered":"Air purification technology in the time of coronavirus: Are general ventilation systems still applicable?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"12558\" class=\"elementor elementor-12558 elementor-12557\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-32b84cc7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"32b84cc7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-337d01cf\" data-id=\"337d01cf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-60a2ecb1 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"60a2ecb1\" data-element_type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Air purification technology in the time of coronavirus: Are general ventilation systems still applicable?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56c3b09 elementor-widget elementor-widget-post-info\" data-id=\"56c3b09\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-e15fce7 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.advancedmanufacturingmadrid.com\/en\/2020\/04\/21\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-calendar\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>April 21, 2020<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10ea58a3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"10ea58a3\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e91ba5b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e91ba5b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5aa9be0c\" data-id=\"5aa9be0c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0257a83 elementor-widget elementor-widget-text-editor\" data-id=\"0257a83\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Does the coronavirus affect air purification technology? This is a question safety officials are currently asking: Does a general ventilation system in metal processing companies make viruses more likely to spread in production? The high filter efficiencies and quality of the integrated filters indicate otherwise.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc0e8b3 elementor-widget elementor-widget-image\" data-id=\"dc0e8b3\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"770\" height=\"220\" src=\"https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Corona-2.jpg\" class=\"attachment-2048x2048 size-2048x2048 wp-image-12563\" alt=\"\" srcset=\"https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Corona-2.jpg 770w, https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Corona-2-300x86.jpg 300w, https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Corona-2-768x219.jpg 768w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e356ac elementor-widget elementor-widget-text-editor\" data-id=\"9e356ac\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The coronavirus (COVID-19) is spreading worldwide. At the same time, safety concerns in companies are increasing. The metalworking industry is also affected. Here, there are often spacious production halls that allow for maintaining the two-meter distancing regulations recommended by renowned virologists. However, to provide comprehensive protection for production employees, safety managers are also studying other health risks.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1721211 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1721211\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b16a1f3\" data-id=\"b16a1f3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9c652aa elementor-widget elementor-widget-text-editor\" data-id=\"9c652aa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Coronavirus: Can general ventilation continue to function?<\/h4>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41a7b09 elementor-widget elementor-widget-text-editor\" data-id=\"41a7b09\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Air purification technology is also under scrutiny in the wake of the current health crisis. And for the following reason: safety officials fear that systems that are actually meant to protect employees could actually have the opposite effect in the current situation, i.e., a virus spread. This line of thinking applies exclusively to systems that allow air recirculation. This mode of operation is carried out in three steps:<br \/>\n1. Contaminated air is extracted during welding or cutting.<br \/>\n2. After detecting hazardous substances, high-performance filters in the systems separate the particles.<br \/>\n3. Air purification systems return clean air to the workshop.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1036042 elementor-widget elementor-widget-image\" data-id=\"1036042\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"360\" src=\"https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Clean_Air_Tower_Schweisser_1-e1587026373932-768x360.jpg\" class=\"attachment-medium_large size-medium_large wp-image-12565\" alt=\"\" srcset=\"https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Clean_Air_Tower_Schweisser_1-e1587026373932-768x360.jpg 768w, https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Clean_Air_Tower_Schweisser_1-e1587026373932-300x141.jpg 300w, https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Clean_Air_Tower_Schweisser_1-e1587026373932-1024x480.jpg 1024w, https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Clean_Air_Tower_Schweisser_1-e1587026373932.jpg 1134w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ec7af8e elementor-widget elementor-widget-text-editor\" data-id=\"ec7af8e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>This is especially true for general ventilation systems, which include:<br \/>\n&#8211; Filter towers as independent general ventilation according to the layered ventilation principle<br \/>\n&#8211; Push-pull systems<br \/>\n&#8211; General ventilation systems with displacement ventilation<br \/>\n&#8211; General ventilation systems with mixed ventilation, also as an independent variant<br \/>\nSafety officials are wondering whether coronaviruses are captured even by filter media due to their size and whether they are further distributed in the general ventilation system when the clean air is discharged. Wouldn&#8217;t it be better for companies not to turn on the systems during the corona crisis?<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c4ad71c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c4ad71c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1139879\" data-id=\"1139879\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5ec08f4 elementor-widget elementor-widget-text-editor\" data-id=\"5ec08f4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Particle size: Welding fume particles comparable to coronavirus.<\/h4>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84aa719 elementor-widget elementor-widget-text-editor\" data-id=\"84aa719\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Based on the knowledge gained so far about the coronavirus, however, there is currently no basis for these fears. The reason for this is the filter systems commonly used today. As a rule, they feature high-quality filters and a high filter efficiency to separate even ultrafine particles. Welding smoke particles and particles from the corona virus family are in the same order of magnitude. While welding smoke particles can be between 10 nanometers and 2 micrometers in size, corona viruses are between 120 and 160 nanometers in size. Even for this particle size, general ventilation systems with appropriate filter quality have a filter efficiency of more than 99 percent. Due to the comparability of particle sizes, manufacturers also assume this high filter efficiency against viruses, so that operation is still possible without restrictions. It is important to look at the filter classes. The best general ventilation and extraction systems for welding fume extraction are equipped with class E12 filters.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9fd7772 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9fd7772\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c806a0c\" data-id=\"c806a0c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-73bc21c elementor-widget elementor-widget-text-editor\" data-id=\"73bc21c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Processes in general ventilation systems have an antiviral effect.<\/h4>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3207481 elementor-widget elementor-widget-text-editor\" data-id=\"3207481\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Processes within plants are also likely to further reduce the spread of potential virus particles. This is because viruses encounter a layer of dry metal oxide dust, i.e., not a breeding ground. And on such surfaces, viruses are known to have a survival time of only a few hours. Since the general ventilation systems used for welding fume extraction generally do not have a heating or cooling function, the air purification processes do not cause additional hygiene problems.<\/p>\n<p>By the way: general ventilation systems are only suitable for welding fume extraction as a supplement to local exhaust ventilation or in cases where collection at the source is not feasible. Some welders also wear personal respiratory protection at work. To protect against welding fumes, class FFP2 or FFP3 masks are generally worn.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f940b9 elementor-widget elementor-widget-image\" data-id=\"7f940b9\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"621\" height=\"308\" src=\"https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Captura.png\" class=\"attachment-large size-large wp-image-12572\" alt=\"\" srcset=\"https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Captura.png 621w, https:\/\/easyfairsassets.com\/sites\/79\/2020\/04\/Captura-300x149.png 300w\" sizes=\"(max-width: 621px) 100vw, 621px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7f5d1c33 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f5d1c33\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3415a88 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3415a88\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2b832f6\" data-id=\"2b832f6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-172bdee elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"172bdee\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6decab9 elementor-widget elementor-widget-heading\" data-id=\"6decab9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">share news or article<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31527bfa elementor-share-buttons--view-icon elementor-share-buttons--skin-minimal elementor-share-buttons--shape-circle elementor-share-buttons--color-custom elementor-grid-0 elementor-widget 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This is a question safety officials are currently asking: Does a general ventilation system in metal processing companies make viruses more likely to spread in production? The high filter efficiencies and quality of the integrated filters indicate otherwise. The coronavirus (COVID-19) is spreading worldwide. 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