{"id":3776,"date":"2026-02-11T12:54:58","date_gmt":"2026-02-11T11:54:58","guid":{"rendered":"https:\/\/uberplants.it\/processi\/production-of-demineralised-process-water\/"},"modified":"2026-03-17T17:56:05","modified_gmt":"2026-03-17T16:56:05","slug":"production-of-demineralised-process-water","status":"publish","type":"processi","link":"https:\/\/www.uberplants.it\/en\/processi\/production-of-demineralised-process-water\/","title":{"rendered":"Production of demineralised process water"},"content":{"rendered":"<p><strong>The production of demineralised water<\/strong> using <strong>ion exchange resins<\/strong> is a highly effective and well-established method for the complete removal of dissolved salts. This process is particularly widely used in the <strong>energy, pharmaceutical, chemical, electronics and food industries<\/strong>, where ultrapure water is essential for the proper functioning of plant equipment and the quality of the final products. <\/p>\n<p><strong>The Demineralisation Process Using Selective Resins<\/strong><\/p>\n<p>The ion exchange system is based on the use of <strong>cationic and anionic resins<\/strong>, which selectively remove ions from the water:<\/p>\n<ol>\n<li><strong>Cation Exchange<\/strong><br \/>\nCationic resins in the H\u207a form replace positive ions (Ca\u00b2\u207a, Mg\u00b2\u207a, Na\u207a, K\u207a, Fe\u00b2\u207a) with hydrogen ions (H\u207a).<\/li>\n<li><strong>Anion Exchange<\/strong><br \/>\nAnion exchange resins in the OH\u207b form remove negative ions (Cl\u207b, SO\u2084\u00b2\u207b, NO\u2083\u207b, CO\u2083\u00b2\u207b) by replacing them with hydroxide ions (OH\u207b).<\/li>\n<li><strong>Production of Demineralised Water<\/strong><\/li>\n<\/ol>\n<p style=\"text-align: left;\">When H\u207a and OH\u207b ions combine, they form H\u2082O, leaving the water with an <strong>extremely low conductivity (&lt;1 \u00b5S\/cm)<\/strong><\/p>\n<p><strong>Regeneration of Resins<\/strong><br \/>\nWhen resins become saturated, they must be regenerated to restore their ion-exchange capacity:<\/p>\n<ul>\n<li><strong>Cationic resins<\/strong> are regenerated using <strong>sulphuric acid (H\u2082SO\u2084) or hydrochloric acid (HCl).<\/strong><\/li>\n<li><strong>Anionic resins<\/strong> are regenerated using <strong>caustic soda (NaOH).<\/strong><\/li>\n<\/ul>\n<p><strong>Advantages of Demineralisation Using Selective Resins<\/strong><\/p>\n<ul>\n<li>High-purity water with very low conductivity.<\/li>\n<li>A continuous and reliable process, ideal for critical industrial applications.<\/li>\n<li>Effective removal of all dissolved salts, including silicates and complex anions.<\/li>\n<li>Option to customise the system with mixed-bed resins for even higher quality.<\/li>\n<\/ul>\n<p><strong>Applications<\/strong><\/p>\n<ul>\n<li>Thermal power stations (boiler and turbine feed).<\/li>\n<li>Pharmaceutical and cosmetics industry (production of ultrapure water).<\/li>\n<li>Food industry (treatment of process and dilution water).<\/li>\n<li>Electronics sector (precision cleaning using contaminant-free water)<\/li>\n<\/ul>\n<p>The use of <strong>selective resins<\/strong> for demineralisation offers a <strong>flexible, efficient and sustainable solution<\/strong>, ensuring <strong>high water quality and low operating costs.<\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":3326,"template":"","meta":{"_acf_changed":false},"divisioni":[18],"class_list":["post-3776","processi","type-processi","status-publish","has-post-thumbnail","hentry","divisioni-trattamento-acque"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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