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The Essential Guide to Choosing an 8kg Washing Machine Cover As we navigate our busy lives, our appl...
2025-08-14 07:57
ผ้าปูโต๊ะอาหารสำหรับโต๊ะ 6 ที่นั่ง เสน่ห์และประโยชน์ที่คุณไม่ควรมองข้าม เมื่อพูดถึงการตกแต่งบ้านหรือ...
2025-08-14 07:54
Choosing the perfect orange ironing board cover can transform an ordinary chore into a delightful ex...
2025-08-14 07:30
Choosing the right ironing board cover can significantly enhance your clothes-care routine, especial...
2025-08-14 07:24
In the modern household, the ironing board can often be overlooked, seen as a mundane utility rather...
2025-08-14 07:20
Choosing the perfect orange ironing board cover can transform an ordinary chore into a delightful ex...
2025-08-14 07:04
Folding shopping cart liners have emerged as indispensable accessories for many shoppers, offering a...
2025-08-14 06:52
Ironing clothes to perfection hinges significantly on the quality of your ironing board cover. For t...
2025-08-14 06:48
For any home enthusiast or even a professional in the textile care industry, finding the perfect bla...
2025-08-14 06:36
Understanding Nappe Ajustée A Key Concept in Geology Nappe ajustée, a term derived from French geolo...
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The secondary treatment stage is primarily biological, relying on microorganisms to break down organic matter. However, several chemicals are still employed to enhance this process. For instance, flocculants like polyacrylamide may be used to promote the settling of biomass, facilitating easier removal of residual sludge. Additionally, nutrient management is critical during secondary treatment, as excess nitrogen and phosphorus can lead to water bodies’ eutrophication. To address this, chemicals such as ammonium sulfate or magnesium hydroxide may be introduced to balance nutrient levels and avoid environmental imbalances.
sewage water treatment chemicals
