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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.
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In addition to its use in PAD, pentoxifylline has been investigated for its potential in treating other conditions associated with inadequate blood flow. These include diabetic foot ulcers, venous insufficiency, and certain liver diseases, such as hepatitis. In these contexts, pentoxifylline may help facilitate healing and improve overall vascular health.
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