{"id":1286,"date":"2024-10-22T10:08:12","date_gmt":"2024-10-22T10:08:12","guid":{"rendered":"https:\/\/nepsi.leidardev.com\/\/\/?post_type=lesson&#038;p=1286"},"modified":"2025-08-04T10:33:10","modified_gmt":"2025-08-04T10:33:10","slug":"chapter-2-factors-that-influence-rcs-generation-and-exposure-1-1","status":"publish","type":"lesson","link":"https:\/\/training.nepsi.eu\/it\/lesson\/control-of-silica-dust-in-specific-activities\/chapter-2-factors-that-influence-rcs-generation-and-exposure-1-1\/","title":{"rendered":"Chapter 2 \u2013 Factors that influence RCS generation and exposure 1\/1"},"content":{"rendered":"<div class=\"wp-block-c83-section uk-section uk-background-norepeat\">\n<div class=\"wp-block-c83-container uk-container\">\n<h1 class=\"wp-block-c83-post-title uk-text-left uk-heading-custom\">Capitolo 2 \u2013 Fattori che influenzano la generazione di SCR e l\u2019esposizione a tali polveri<\/h1>\n\n\n\n<p class=\"wp-block-c83-text uk-text-large uk-text-left uk-text-custom\">I processi a secco ad alta energia tendono a generare la maggiore quantit\u00e0 di polveri. Questi includono, a titolo esemplificativo ma non esaustivo, la perforazione, la macinazione, la miscelazione, la frantumazione, l\u2019insaccamento e la manipolazione di materiali sfusi. Per ulteriori informazioni su specifici processi industriali, \u00e8 possibile consultare gli elenchi delle attivit\u00e0 dettagliati di NEPSI!<\/p>\n\n\n\n<p class=\"wp-block-c83-text uk-text-large uk-text-left uk-text-custom\">Clicca su ciascuna immagine per scoprire altri fattori critici.<\/p>\n\n\n\n<p class=\"wp-block-c83-text uk-text-large uk-text-left uk-text-custom\"><strong>Dopo aver completato la lettura, clicca su \u201cAVANTI\u201d per proseguire!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-c83-vspace c83-vspace-small\"><\/div>\n\n\n\n<div class=\"wp-block-c83-grid uk-grid uk-grid-column-medium uk-grid-row-medium  uk-child-width-1-1@s uk-child-width-1-2@l\" uk-grid=\"masonry: false; parallax: 0; parallaxStart: 0; parallaxEnd: 0; parallaxJustify: false;\">\n<div class=\"wp-block-c83-grid-item\">\n<div class=\"wp-block-c83-quiz-reveal-card uk-flex uk-flex-left uk-flex-top uk-flex-wrap uk-flex-column\" id=\"my-modal-1\"><div class=\"uk-height-small uk-background-center-center uk-background-muted-background-darkest uk-background-blend-multiply uk-width-1-1 uk-background-cover uk-background-norepeat uk-flex uk-flex-middle uk-flex-center uk-flex-top uk-flex-wrap uk-flex-column uk-padding\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/Crystal.jpg)\"><button type=\"button\" data-uk-toggle=\"target: #my-modal-1-modal; animation: uk-animation-scale-up\" data-uk-marker=\"true\"><\/button><h4 class=\"uk-text-white uk-text-large uk-text-bold uk-margin-top uk-margin-remove-bottom uk-text-center\">Contenuto di silice cristallina nel materiale da processare<\/h4><\/div><div id=\"my-modal-1-modal\" class=\"wp-block-c83-quiz-reveal-card__modal uk-modal-full\" uk-modal=\"esc-close: true; bg-close: true; stack: false;\"><div class=\"uk-modal-dialog uk-modal-body uk-background-muted-background-darkest uk-height-1-1 uk-flex uk-flex-column uk-flex-middle uk-flex-center\"><button class=\"uk-modal-close uk-close-large uk-button uk-button-default uk-position-absolute uk-position-large uk-position-top-right uk-padding-small\" type=\"button\"><svg width=\"20\" height=\"20\" viewbox=\"0 0 20 20\"><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"1\" y1=\"1\" x2=\"19\" y2=\"19\"><\/line><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"19\" y1=\"1\" x2=\"1\" y2=\"19\"><\/line><\/svg><\/button><div class=\"uk-flex uk-flex-column uk-flex-row@m uk-flex-left uk-flex-middle uk-width-4-5\"><div class=\"uk-background-center-center uk-height-small uk-width-1-1 uk-width-1-3@m uk-height-1-1 uk-background-cover uk-background-norepeat\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/Crystal.jpg)\"><\/div><div class=\"uk-width-1-1 uk-width-2-3@m\"><h3 class=\"uk-margin-remove-top uk-text-white\">Contenuto di silice cristallina nel materiale da processare<\/h3><p class=\"uk-margin-remove uk-text-white\">Con percentuali di contenuto che variano da 0 a 100 circa, \u00e8 fondamentale conoscere la percentuale di silice cristallina respirabile presente nel minerale che si sta processando. \u00c8 possibile trovare le percentuali specifiche nella Guida alle Buone Pratiche di NEPSI o nelle informazioni tecniche indicate dai fornitori dei materiali. In caso di dubbio, rivolgersi ai fornitori.<\/p><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-c83-grid-item\">\n<div class=\"wp-block-c83-quiz-reveal-card uk-flex uk-flex-left uk-flex-top uk-flex-wrap uk-flex-column\" id=\"my-modal-2\"><div class=\"uk-height-small uk-background-center-center uk-background-muted-background-darkest uk-background-blend-multiply uk-width-1-1 uk-background-cover uk-background-norepeat uk-flex uk-flex-middle uk-flex-center uk-flex-top uk-flex-wrap uk-flex-column uk-padding\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/NEPSI-Dust-fractions-graphic-v2.jpg)\"><button type=\"button\" data-uk-toggle=\"target: #my-modal-2-modal; animation: uk-animation-scale-up\" data-uk-marker=\"true\"><\/button><h4 class=\"uk-text-white uk-text-large uk-text-bold uk-margin-top uk-margin-remove-bottom uk-text-center\">Grado di finezza del materiale processato<\/h4><\/div><div id=\"my-modal-2-modal\" class=\"wp-block-c83-quiz-reveal-card__modal uk-modal-full\" uk-modal=\"esc-close: true; bg-close: true; stack: false;\"><div class=\"uk-modal-dialog uk-modal-body uk-background-muted-background-darkest uk-height-1-1 uk-flex uk-flex-column uk-flex-middle uk-flex-center\"><button class=\"uk-modal-close uk-close-large uk-button uk-button-default uk-position-absolute uk-position-large uk-position-top-right uk-padding-small\" type=\"button\"><svg width=\"20\" height=\"20\" viewbox=\"0 0 20 20\"><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"1\" y1=\"1\" x2=\"19\" y2=\"19\"><\/line><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"19\" y1=\"1\" x2=\"1\" y2=\"19\"><\/line><\/svg><\/button><div class=\"uk-flex uk-flex-column uk-flex-row@m uk-flex-left uk-flex-middle uk-width-4-5\"><div class=\"uk-background-center-center uk-height-small uk-width-1-1 uk-width-1-3@m uk-height-1-1 uk-background-cover uk-background-norepeat\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/NEPSI-Dust-fractions-graphic-v2.jpg)\"><\/div><div class=\"uk-width-1-1 uk-width-2-3@m\"><h3 class=\"uk-margin-remove-top uk-text-white\">Grado di finezza del materiale processato<\/h3><p class=\"uk-margin-remove uk-text-white\">Tre sono le frazioni importanti quando si lavora con le polveri: quella inalabile, quella toracica e quella respirabile. Tuttavia, per la silice cristallina, la frazione di polvere respirabile \u00e8 la pi\u00f9 importante a causa dei suoi potenziali effetti sulla salute umana. A seconda del materiale che viene processato, la dimensione delle particelle pu\u00f2 variare in modo significativo. Le materie prime sono delle polveri sottili che possono contenere delle particelle che rientrano gi\u00e0 nella gamma delle dimensioni respirabili. Altre materie prime possono inizialmente essere piuttosto grossolane, ma diventano pi\u00f9 sottili nei nostri processi industriali ad alta energia.<\/p><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-c83-grid-item\">\n<div class=\"wp-block-c83-quiz-reveal-card uk-flex uk-flex-left uk-flex-top uk-flex-wrap uk-flex-column\" id=\"my-modal-3\"><div class=\"uk-height-small uk-background-center-center uk-background-muted-background-darkest uk-background-blend-multiply uk-width-1-1 uk-background-cover uk-background-norepeat uk-flex uk-flex-middle uk-flex-center uk-flex-top uk-flex-wrap uk-flex-column uk-padding\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/Sand-collage-v2-scaled.jpg)\"><button type=\"button\" data-uk-toggle=\"target: #my-modal-3-modal; animation: uk-animation-scale-up\" data-uk-marker=\"true\"><\/button><h4 class=\"uk-text-white uk-text-large uk-text-bold uk-margin-top uk-margin-remove-bottom uk-text-center\">Contenuto di umidit\u00e0 del materiale processato<\/h4><\/div><div id=\"my-modal-3-modal\" class=\"wp-block-c83-quiz-reveal-card__modal uk-modal-full\" uk-modal=\"esc-close: true; bg-close: true; stack: false;\"><div class=\"uk-modal-dialog uk-modal-body uk-background-muted-background-darkest uk-height-1-1 uk-flex uk-flex-column uk-flex-middle uk-flex-center\"><button class=\"uk-modal-close uk-close-large uk-button uk-button-default uk-position-absolute uk-position-large uk-position-top-right uk-padding-small\" type=\"button\"><svg width=\"20\" height=\"20\" viewbox=\"0 0 20 20\"><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"1\" y1=\"1\" x2=\"19\" y2=\"19\"><\/line><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"19\" y1=\"1\" x2=\"1\" y2=\"19\"><\/line><\/svg><\/button><div class=\"uk-flex uk-flex-column uk-flex-row@m uk-flex-left uk-flex-middle uk-width-4-5\"><div class=\"uk-background-center-center uk-height-small uk-width-1-1 uk-width-1-3@m uk-height-1-1 uk-background-cover uk-background-norepeat\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/Sand-collage-v2-scaled.jpg)\"><\/div><div class=\"uk-width-1-1 uk-width-2-3@m\"><h3 class=\"uk-margin-remove-top uk-text-white\">Contenuto di umidit\u00e0 del materiale processato<\/h3><p class=\"uk-margin-remove uk-text-white\">Il contenuto di umidit\u00e0 di un materiale \u00e8 generalmente espresso in percentuale di peso. L\u2019acqua consente di eliminare la polvere, pertanto i materiali con contenuto di umidit\u00e0 pi\u00f9 elevato tenderanno a rilasciare meno polveri durante la manipolazione e l\u2019utilizzo. Ricorda che le materie prime con un elevato contenuto di umidit\u00e0 possono seccarsi durante la manipolazione e l\u2019utilizzo nei nostri processi industriali, rilasciando quindi una maggiore quantit\u00e0 di polveri.<\/p><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-c83-grid-item\">\n<div class=\"wp-block-c83-quiz-reveal-card uk-flex uk-flex-left uk-flex-top uk-flex-wrap uk-flex-column\" id=\"my-modal-4\"><div class=\"uk-height-small uk-background-center-center uk-background-muted-background-darkest uk-background-blend-multiply uk-width-1-1 uk-background-cover uk-background-norepeat uk-flex uk-flex-middle uk-flex-center uk-flex-top uk-flex-wrap uk-flex-column uk-padding\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/Lungs.jpg)\"><button type=\"button\" data-uk-toggle=\"target: #my-modal-4-modal; animation: uk-animation-scale-up\" data-uk-marker=\"true\"><\/button><h4 class=\"uk-text-white uk-text-large uk-text-bold uk-margin-top uk-margin-remove-bottom uk-text-center\">Durata dell\u2019esposizione a livelli elevati di polveri<\/h4><\/div><div id=\"my-modal-4-modal\" class=\"wp-block-c83-quiz-reveal-card__modal uk-modal-full\" uk-modal=\"esc-close: true; bg-close: true; stack: false;\"><div class=\"uk-modal-dialog uk-modal-body uk-background-muted-background-darkest uk-height-1-1 uk-flex uk-flex-column uk-flex-middle uk-flex-center\"><button class=\"uk-modal-close uk-close-large uk-button uk-button-default uk-position-absolute uk-position-large uk-position-top-right uk-padding-small\" type=\"button\"><svg width=\"20\" height=\"20\" viewbox=\"0 0 20 20\"><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"1\" y1=\"1\" x2=\"19\" y2=\"19\"><\/line><line fill=\"none\" stroke=\"#000\" stroke-width=\"1.4\" x1=\"19\" y1=\"1\" x2=\"1\" y2=\"19\"><\/line><\/svg><\/button><div class=\"uk-flex uk-flex-column uk-flex-row@m uk-flex-left uk-flex-middle uk-width-4-5\"><div class=\"uk-background-center-center uk-height-small uk-width-1-1 uk-width-1-3@m uk-height-1-1 uk-background-cover uk-background-norepeat\" style=\"background-image:url(https:\/\/training.nepsi.eu\/wp-content\/uploads\/2024\/10\/Lungs.jpg)\"><\/div><div class=\"uk-width-1-1 uk-width-2-3@m\"><h3 class=\"uk-margin-remove-top uk-text-white\">Durata dell\u2019esposizione a livelli elevati di polveri<\/h3><p class=\"uk-margin-remove uk-text-white\">In caso di esposizione prolungata a livelli eccessivi di queste polveri respirabili, si incorre nel rischio di non riuscire ad espellerle dai polmoni e di sviluppare un accumulo di polveri che pu\u00f2 provocare effetti irreversibili sulla salute.<\/p><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-c83-vspace c83-vspace-small\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-c83-text uk-text-left\"><\/p>","protected":false},"parent":329,"menu_order":8,"template":"","course":[11],"label":[19],"class_list":["post-1286","lesson","type-lesson","status-publish","hentry","course-control-silica-dust-in-specific-activities","label-lesson"],"_links":{"self":[{"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/lesson\/1286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/lesson"}],"about":[{"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/types\/lesson"}],"version-history":[{"count":0,"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/lesson\/1286\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/lesson\/329"}],"wp:attachment":[{"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/media?parent=1286"}],"wp:term":[{"taxonomy":"course","embeddable":true,"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/course?post=1286"},{"taxonomy":"label","embeddable":true,"href":"https:\/\/training.nepsi.eu\/it\/wp-json\/wp\/v2\/label?post=1286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}