Design and control of flotation thickeners
The height of float above the water level governs the distance through which the float travels before being removed from the unit. Three empirical relationships describe the …
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Design and control of flotation thickeners
The enhanced thickening characteristics obtained when water treatment plant sludge was discharged to the WWTP is demonstrated. Polymer addition had only a slight …
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Sludge Thickening and Sludge Thickening-Floatation Thickening
The float solids concentration that can be obtained by flotation thickening of WAS is a function of the following: a) _____ Ratio (_____) b) Sludge characteristics c) _____ d) _____ Application …
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Sludge Thickening
These organic polymers provide a full spectrum of applications, including acting as flocculants and coagulants to aid solid/liquid separation in thickening applications. In addition, they also …
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Thickening
Polymer thickening plays a crucial role in optimizing overflow clarity by aiding in the settling of solid particles, improving the quality of overflow water, and contributing to effective water …
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Sludge Thickening
These organic polymers provide a full spectrum of applications, including acting as flocculants and coagulants to aid solid/liquid separation in thickening applications. In addition, …
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Flocculants and tailings – Process productivity
Some have published on the potential for flocculants in returned thickener overflow to have adverse impacts on upstream processes (e.g. flotation). However, most solid phases …
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Thickener Performance Optimization
The cationic polymer first neutralized the surface charges of the clay particles and then the anionic polymer, by bridging mechanism, causing flocculation. The static settling tests …
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Sludge Dewatering and Thickening
We know polymer can be added to enhance sludge thickening in a DAF unit. Let's take a look at how polymer addition can impact the operational parameters of the process.
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Thickening
Polymer thickening plays a crucial role in optimizing overflow clarity by aiding in the settling of solid particles, improving the quality of overflow water, and contributing to effective water reclaim processes. Additionally, polymer …
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Laboratory Continuous Dynamic Thickening Tests
To obtain 60 percent underflow solid density and less than 50 mg/L TSS in the overflow the minimum polymer dosages of 7.7 g/ton cationic polymer (Figure 5) and 13 g/ton anionic polymer (Figure 6) are required for the …
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The Evaluation of Starch-Based Flocculant on the Thickener
Microscopic studies show that molybdenite plate-like coarse particles are transferred to the thickener overflow (process water) in the presence of starch flocculant, …
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Thickener Performance Optimization
The cationic polymer first neutralized the surface charges of the clay particles and then the anionic polymer, by bridging mechanism, causing flocculation. The static settling tests on kaolinite-water suspensions used …
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Advantages of Cothickening Primary and Secondary Sludges …
In 1995, EDRP DAFTs averaged 6.2% thickened total solids with 81% capture efficiency (disregarding bottom sludge) at solids loading rates of 98-122 kg/m2/d (20-25 lb/d/sq ft). These …
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Laboratory Continuous Dynamic Thickening Tests
To obtain 60 percent underflow solid density and less than 50 mg/L TSS in the overflow the minimum polymer dosages of 7.7 g/ton cationic polymer (Figure 5) and 13 g/ton …
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