[La Voix du Nord] - Ce que révèle l’étude d’Atmo sur la pollution de l’air, 22 ans après la fermeture de Metaleurop
Ces nouvelles analyses confirment une réalité alarmante : malgré la fermeture de l’usine la fonderie de #plomb et de #zinc, en 2003, les habitants des communes environnantes continuent d’être exposés aux métaux lourds. Les poussières toxiques persistent et s’envolent au gré des vents.
#Pollution #PollutionIndustrielle
#Environnement #environment #RevueDePresse #Press
La Voix du Nord · Ce que révèle l’étude d’Atmo sur la pollution de l’air, 22 ans après la fermeture de Metaleurop
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![<div><img alt="" class="attachment-large size-large wp-post-image" height="450" src="https://hackaday.com/wp-content/uploads/2025/03/haber_bosch.jpeg?w=800" style="margin: 0 auto; margin-bottom: 15px;" width="800" /></div><p>Humans weren’t the first organisms on this planet to figure out how to turn the abundance of nitrogen in the atmosphere into a chemically useful form; that honor goes to some microbes that learned how to make the most of the primordial soup they called home. But to our credit, once [Messrs. Haber and Bosch] figured out how to make ammonia from thin air, we really went gangbusters on it, to the tune of 8 million tons per year of the stuff.</p>
<p>While it’s not likely that <a href="https://www.youtube.com/watch?v=31jpvFuUQBI" target="_blank">[benchtop take on the Haber-Bosch process demonstrated by [Marb’s lab]</a> will turn out more than the barest fraction of that, it’s still pretty cool to see the ammonia-making process executed in such an up close and personal way. <a href="https://hackaday.com/2022/01/11/haber-bosch-and-the-greening-of-ammonia-production/">The industrial version of Haber-Bosch</a> uses heat, pressure, and catalysts to overcome the objections of diatomic nitrogen to splitting apart and forming NH<sub>3</sub>; [Marb]’s version does much the same, albeit at tamer pressures.</p>
<p>[Marb]’s process starts with hydrogen made by dripping sulfuric acid onto zinc strips and drying it through a bed of silic](https://hackaday.com/wp-content/uploads/2025/03/haber_bosch.jpeg "<div><img alt=\"\" class=\"attachment-large size-large wp-post-image\" height=\"450\" src=\"https://hackaday.com/wp-content/uploads/2025/03/haber_bosch.jpeg?w=800\" style=\"margin: 0 auto; margin-bottom: 15px;\" width=\"800\" /></div><p>Humans weren’t the first organisms on this planet to figure out how to turn the abundance of nitrogen in the atmosphere into a chemically useful form; that honor goes to some microbes that learned how to make the most of the primordial soup they called home. But to our credit, once [Messrs. Haber and Bosch] figured out how to make ammonia from thin air, we really went gangbusters on it, to the tune of 8 million tons per year of the stuff.</p>
<p>While it’s not likely that <a href=\"https://www.youtube.com/watch?v=31jpvFuUQBI\" target=\"_blank\">[benchtop take on the Haber-Bosch process demonstrated by [Marb’s lab]</a> will turn out more than the barest fraction of that, it’s still pretty cool to see the ammonia-making process executed in such an up close and personal way. <a href=\"https://hackaday.com/2022/01/11/haber-bosch-and-the-greening-of-ammonia-production/\">The industrial version of Haber-Bosch</a> uses heat, pressure, and catalysts to overcome the objections of diatomic nitrogen to splitting apart and forming NH<sub>3</sub>; [Marb]’s version does much the same, albeit at tamer pressures.</p>
<p>[Marb]’s process starts with hydrogen made by dripping sulfuric acid onto zinc strips and drying it through a bed of silic")
