{"id":640,"date":"2026-07-07T20:39:28","date_gmt":"2026-07-07T17:09:28","guid":{"rendered":"https:\/\/azarinnasoz.com\/?p=640"},"modified":"2026-07-23T10:39:16","modified_gmt":"2026-07-23T07:09:16","slug":"silica-in-water-purification-and-filtration","status":"publish","type":"post","link":"https:\/\/azarinnasoz.com\/en\/silica-in-water-purification-and-filtration\/","title":{"rendered":"Silica in water purification and filtration"},"content":{"rendered":"<div dir=\"rtl\" lang=\"fa\" style=\"font-family: Tahoma, 'Vazirmatn', 'IRANSans', sans-serif; line-height: 1.9; color: #2d2d2d; max-width: 900px; margin: 0 auto; font-size: 16px;\">\n<p><!-- ===================== Main article header ===================== --><\/p>\n<div style=\"background: linear-gradient(135deg, #01579b 0%, #0277bd 50%, #0288d1 100%); border-radius: 18px; padding: 40px 30px; margin-bottom: 35px; text-align: center; box-shadow: 0 8px 24px rgba(1,87,155,0.25);\">\n<div style=\"font-size: 46px; margin-bottom: 10px;\">\ud83d\udca7\ud83d\udd2c\ud83d\udeb0<\/div>\n<h1 style=\"color: #ffffff; font-size: 30px; margin: 0 0 12px 0; font-weight: 800; text-shadow: 0 2px 4px rgba(0,0,0,0.15);\">Silica in Water Purification and Filtration: A Complete Guide to Application and Selection<\/h1>\n<p style=\"color: #e1f5fe; font-size: 16px; margin: 0 auto; max-width: 650px;\">From removing turbidity from municipal water to pre-purifying swimming pools and RO systems; learn about the role of &#8220;silica sand&#8221; at the heart of the water purification process \ud83c\udf0a<\/p>\n<\/div>\n<p><!-- ========================== Introduction ======================== --><\/p>\n<p style=\"margin-bottom: 20px;\">Before water reaches your kitchen faucet or swimming pool, it has usually passed through a simple but vital layer: a bed of silica grains. Silica sand is one of the oldest and most reliable filtration media in the water industry; from large municipal treatment plants to household and industrial filters. In this article, you will learn about its performance, benefits, and technical points for choosing it.<\/p>\n<p><!-- == Turbid water passes through this bed, and suspended particles, sediment, and turbidity are trapped between the grains.<\/p>\n\n\n\n\n\n<div style=\"background: #e1f5fe; border-right: 4px solid #0288d1; border-radius: 10px; padding: 16px 20px; margin-bottom: 25px;\">\n\n\n<p style=\"margin: 0; color: #01579b;\"><strong>\ud83d\udca1 Important note:<\/strong> Silica sand is primarily a \"physical and mechanical\" filter; that is, it removes suspended particles and turbidity, not dissolved compounds such as chlorine, heavy metals, or microbes. To remove these, it must be used in conjunction with activated carbon, resin, or a disinfection system.<\/p>\n\n\n\n<\/div>\n\n\n<!-- == Surface and depth straining:<\/span> Particles larger than the pores between the grains are trapped on the surface or deep in the bed.<\/li>\n\n\n\n\n<li style=\"margin-bottom: 12px;\"><span style=\"font-weight: bold; color: #01579b;\">2. Adsorption:<\/span> Finer particles adhere to the surface of the silica grains, especially when a thin layer of sediment (Schmutzdecke) has formed on the bed.<\/li>\n\n\n\n\n<li style=\"margin-bottom: 0;\"><span style=\"font-weight: bold; color: #01579b;\">3. Backwash:<\/span> By reversing the water flow, the accumulated sediments are removed from the bed and the filter is prepared for the next cycle.<\/li>\n\n\n<\/ul>\n\n\n<!-- ========================= Section 3: Benefits ======================= --><\/p>\n<h2 id=\"benefits\" style=\"color: #01579b; font-size: 24px; border-right: 5px solid #0288d1; padding-right: 14px; margin: 40px 0 18px 0;\">\u2705 Benefits of using silica sand<\/h2>\n<div style=\"overflow-x: auto; margin-bottom: 25px;\">\n<table style=\"width: 100%; border-collapse: collapse; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.06);\">\n<thead>\n<tr style=\"background: #0277bd;\">\n<th style=\"color: #fff; padding: 12px 14px; text-align: right; font-size: 15px;\">Advantages<\/th>\n<th style=\"color: #fff; padding: 12px 14px; text-align: right; font-size: 15px;\">Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #f0f7fb;\">\n<td style=\"padding: 12px 14px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\">Chemical stability<\/td>\n<td style=\"padding: 12px 14px; border-bottom: 1px solid #e0e0e0;\">Does not react with water and does not add any composition or taste or smell to water.<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 12px 14px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\">Affordable<\/td>\n<td style=\"padding: 12px 14px; border-bottom: 1px solid #e0e0e0;\">It is cheaper and more widely available than many other filtration media.<\/td>\n<\/tr>\n<tr style=\"background: #f0f7fb;\">\n<td style=\"padding: 12px 14px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\">Long service life<\/td>\n<td style=\"padding: 12px 14px; border-bottom: 1px solid #e0e0e0;\">With regular backwashing, it can last for years without needing to be completely replaced does.<\/td>\n<\/tr>\n<tr \n\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udca7\ud83d\udd2c\ud83d\udeb0 Silica in Water Purification and Filtration: A Complete Guide to Application and Selection From removing turbidity from municipal water to pre-purifying swimming pools and RO systems; learn about the role of &#8220;silica sand&#8221; at the heart of the water purification process \ud83c\udf0a Before water reaches your kitchen faucet or swimming pool, it has usually [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":639,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Silica in water purification and filtration | \u0622\u0630\u0631\u06cc\u0646 \u0646\u0633\u0648\u0632<\/title>\n<meta name=\"robots\" content=\"index, follow, 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