Research on Multi-Objective Optimization Model of …
This study focuses on optimizing the foundation pit dewatering scheme using the foundation pit dewatering theory and the principles of multi-objective …
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Dewatering Optimization of Coal Seam Gas Production …
DOI: 10.1021/acs.energyfuels.2c01575 Corpus ID: 251653374; Dewatering Optimization of Coal Seam Gas Production Wells: A Review and Future Perspectives @article{Zhu2022DewateringOO, title={Dewatering Optimization of Coal Seam Gas Production Wells: A Review and Future Perspectives}, author={Yiran Zhu and Zhang Shi …
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How to Optimize Polymer Efficiency for Better Sludge …
• Polymer use for dewatering (screw press) and thickening (GBT) Problems with existing polymer system • Struggled to make proper polymer solution • Polymer …
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Confined aquifer dewatering optimization with a …
Volume 634, May 2024, 131039. Research papers. Confined aquifer dewatering optimization with a modified simulation–optimization method capable of determining …
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Multiple environmental risk assessments of heavy metals and
1. Introduction. Waste activated sludge (WAS) of the municipal wastewater treatment plants (WWTPs) is produced in large quantities and proliferates (Guan et al., 2018).After the traditional mechanical dewatering method, the water content of dewatered sludge cake is as high as 75 wt%–85 wt% (Wu et al., 2017b).Deep dewatering of sludge …
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Optimization of electro-dewatering performance of oily …
As shown in Fig. 2, The experimental setup and design utilized consisted of several components: a DC power unit (SS-6010KD, China), an air compressor (OTS550, China), a dewatering unit, and a detection unit.The dewatering unit was comprised of a nylon barrel reactor with an inner diameter of 10 cm, equipped with a ruthenium-iridium …
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Dewatering Best Practices to Optimize Efficiency, Cost and …
Optimization of wastewater dewatering then typically involves maximizing throughput, minimizing costs and maximizing separation. ... Different dewatering methods will require different dosage rates to achieve equal solids dryness results which related directly to the overall dewatering cost. Polymer cost are often more than 50% of the input ...
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Efficient dewatering of waste gasification fine slag based on
Through dewatering process energy optimization, high moisture gasification fine slag can be removed about 15% water within 30s and energy consumption of efficient dewatering is 2.63 kJ/g which is much lower than that of drying. Efficient dewatering is benefit to the GFS recycling which reduces hazardous materials release to environment.
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Optimization of a deep foundation pit dewatering scheme …
The optimization scheme for dewatering engineering was determined under hydrodynamic, leakage strength, and ground settlement constraints. The filter length of the corresponding optimization scheme was 12 m, and the suitable depth of the waterproof curtain was 14–16 m. Our results provide an effective solution and method for …
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Sludge Dewatering Optimization by Service in Separation BV
Sludge Dewatering Optimization by Service in Separation BV. Production plants generally have their own waste water treatment systems and sludge dewatering processes, but unfortunately in most cases these are old techniques resulting in ineffective us...
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Dewatering optimization with in-line and real-time
Article Dewatering optimization with in-line and real-time measurement of polymer: results from full-scale treatment plants. Full-scale testing was carried out at two wastewater …
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Oily cold rolling mill sludge conditioned by quicklime to …
Dewatering is critical to oily cold rolling mill (CRM) sludge treatment. Therefore, finding an efficient, energy-saving, and applicable dewatering technology for oily CRM sludge is still urgent. This study investigated the performance of quicklime as a conditioning agent for oily CRM sludge conditioning and dewatering. The interactive …
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Optimization of dewatering systems for mineral processing
Tel.: +56 55 2355648. E-mail address: [email protected] (E.D. Gálvez). Water scarcity in arid and semi-arid mining areas has become one of the most important issues for these regions, as water is essential for the development of all economic activities, environmental care, and the quality of community life.
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Comprehensive Evaluation of Sewage Sludge Dewatering …
Conventional mechanical dewatering has the disadvantage of adding a large amount of chemicals which results in secondary pollution and negative effects on energy recovery from SS. In this study, the performance of SS dewatering with supercritical CO2 (scCO2) was evaluated comprehensively, and the effects of operation parameters, …
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Optimizing Polymer Mixing/Activation Improves Sludge …
• Polymer use for dewatering (sc rew press) and thickening (GB T) Problems with existing polymer system • Struggled to make proper polymer solution • Polymer performance …
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Optimization Research of Mechanical Dewatering of Sludge …
Optimization Research of Mechanical Dewatering of Sludge with High Pressure. Reducing the sludge water content is the key point of sludge disposal. Based on filter-pressing test by self made constant pressure filtration device, under 2 MPa pressure and 10min filter time can quickly remove the moisture content and decrease to 75.30%. Adding 3% ...
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Sludge conditioning, thickening and dewatering optimization …
Dewatering by screw centrifuge is one of the most important and widely used operation in sludge treatment. It is usually used with chemical conditioning in order to enhance sludge concentration. The success of the operation of a specific equipment relies on a number of factors like final dry solids content, separation efficiency and required ...
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How to Optimize Polymer Efficiency for Better Sludge …
Fairfield-Suisun Sewer District, CA. Solano County, CA, 40 miles North San Francisco. Design capacity: 24 MGD tertiary treatment/ UV. Population served: 135,000. Polymer use for dewatering (screw press) and thickening (GBT) Problems with existing polymer system. Struggled to make proper polymer solution.
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Dewatering optimization with in-line and real-time
Article Dewatering optimization with in-line and real-time measurement of polymer: results from full-scale treatment plants. Full-scale testing was carried out at two wastewater treatment plants to determine whether residual polymer concentration, me...
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Mathematical model and optimization of continuous …
Two-dimensional model presented for continuous electrokinetic dewatering of phosphatic clay. ... shown to adequately represent experimental data collected for the operation of the lab-scale continuous electrokinetic dewatering prototype. An optimization strategy for an industrial-process was developed that yielded a minimum of the total cost ...
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Title: Centrifuge Optimization
This can only be confirmed by full scale testing at a minimum of three (3) set points. Field testing has shown increases in cake dryness values from 1 to 2 percent. Weir plate adjustment should take less than 2 hours. *Safety Warning: Weir plate adjustment requires a centrifuge to stop and power cut –off (lock out / tag out).
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Confined aquifer dewatering optimization with a modified …
This study proposes a modified simulation–optimization method for confined aquifer dewatering optimization, which is capable of determining the optimal screen length and depth. The proposed method is based on the linear programming method, and the multivariate adaptive regression splines method is also introduced to develop the …
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Efficient dewatering of waste gasification fine slag based on
Through dewatering process energy optimization, high moisture gasification fine slag can be removed about 15% water within 30s and energy consumption of efficient dewatering is 2.63 kJ/g which is much lower than that of drying. Efficient dewatering is benefit to the GFS recycling which reduces hazardous materials release …
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Optimal Design and Dynamic Control of …
The existing dewatering design methods are mostly based on the optimization of pumping rate needed to maintain a stable water level, while the drop …
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A simulation-optimization approach for optimal …
The results indicate that the dewatering optimization procedure developed in this paper can serve as a useful template and framework for solving mining related water problems. View Show abstract
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Research on Multi-Objective Optimization Model of …
The multi-objective optimization evaluation system based on AHP is constructed from the three aspects of dewatering cost, the impact of settlement on the environment, and the safety and stability ...
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Wastewater treatment aeration process optimization: …
Wastewater treatment aeration process optimization: A data mining approach. AliAsadi, AnoopVerma, KaiYang, BenMejabi. Show more. Add to Mendeley. …
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The optimization of an improved method of fine coal dewatering
An improved method of dewatering fine coal (−500 μm) by vacuum filtration was developed and optimized. Tests on a bench scale vacuum filter showed that when a filter cake was deliberately ...
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Thickening and Dewatering Optimization
Target thickened sludge concentration of 6.5% (Max 8%) Necessary for maintaining digester capacity. Variable performance across different RDTs. Likely due to varying polymer doses. Target uniform polymer dose. Average % capture >99.5%. Average filtrate TSS range = 100-200 mg/L TSS. 73.
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Guidelines for Enhanced Management of …
Cover Photo: Water is used to control asbestos at ordered demolitions where asbestos remains in place during demolition activity. Water can act as a slurry, carrying asbestos-bearing sediments and other pollutants offsite to be deposited elsewhere if not contained …
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