Prediction of filtrate suspended solids and solids capture based on operating parameters for belt filter press

Kholisa, Buyisile; Fester, Veruscha; Haldenwang, Rainer

doi:10.1016/j.cherd.2018.04.005

Cited by 3 publications

(5 citation statements)

References 15 publications

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“…Kholisa and coworkers used a factorial trial design and response surface methodology to evaluate the interaction between process parameters for BFP optimization [5]. The work was also conducted at the WWTP at full scale.…”

Section: Schematic Diagram Of the Operation Of A Bfpmentioning

confidence: 99%

“…Kholisa and coworkers [5] proposed quadratic models to describe the relationship between operating parameters and the filtrate suspended solids (FSSs) and solid capture (SC) based on response surface model as shown in Eqs. ( 1) and (2) (2)…”

Section: Schematic Diagram Of the Operation Of A Bfpmentioning

confidence: 99%

“…In addition, Kholisa et al [5] found a relationship between the yield stress of the sludge and the filtrate suspended solids. An optimum yield stress of 90Pa of sludge was found that was suitable to produce filtrate suspended solid concentrations that were within acceptable limits.…”

Section: Schematic Diagram Of the Operation Of A Bfpmentioning

confidence: 99%

See 2 more Smart Citations

Optimization of Polymer Dosing for Improved Belt Press Performance in Wastewater Treatment Plants

Fester¹,

Rössle²

2023

Advances in Slurry Technology

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A factorial trial approach was used to determine the relationship between process parameters and filtrate suspended solids, solids capture, cake solids, and yield stress. The work was conducted in a large-scale wastewater treatment plant where there is sludge thickening on a linear screen before filter press. The work demonstrated that there is a relationship between filtrate suspended solids, the rheology of sludge, and the optimum dewatering of the filter belt press. A relationship between the yield stress of the sludge on the BFP and the filtrate suspended solids was found. The sludge flow rate was the most influential parameter on the filtrate suspended solids and solids capture as well as yield stress. The linear screen speed was a significant main parameter for cake solids. The results showed clearly that the interaction between sludge flow rate and either polymer dosing rate or polymer concentration was consistently more significant than polymer concentration and polymer dosing rate individually. An important outcome from this work is that it shows that changes in polymer concentration rather than polymer dosing rate are more important for optimization and control.

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Section: Schematic Diagram Of the Operation Of A Bfpmentioning

confidence: 99%

Section: Schematic Diagram Of the Operation Of A Bfpmentioning

confidence: 99%

See 1 more Smart Citation

Optimization of Polymer Dosing for Improved Belt Press Performance in Wastewater Treatment Plants

Fester¹,

Rössle²

2023

Advances in Slurry Technology

View full text Add to dashboard Cite

show abstract

“…In a recent study, the cake solids content obtained by belt filter press is found to be independent of yield stress, and the filtrate suspended solids content is almost constant as long as the yield stress is higher than a critical value. 6 It has been indicated that a threshold yield stress is sufficient to maintain the sludge structure during dewatering process, and a further increase in yield stress no longer changes the sludge filterability. 7 Hence, both these laboratory-and full-scale results confirm that neither yield stress nor maximum shear stress is necessarily correlated with the sludge dewaterability.…”

mentioning

confidence: 99%

“…More reliable parameters to assess the dewatering efficiency are cake solids content and filtrate suspended solids content. In a recent study, the cake solids content obtained by belt filter press is found to be independent of yield stress, and the filtrate suspended solids content is almost constant as long as the yield stress is higher than a critical value . It has been indicated that a threshold yield stress is sufficient to maintain the sludge structure during dewatering process, and a further increase in yield stress no longer changes the sludge filterability .…”

mentioning

confidence: 99%