sludge concentration Articles
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Project - WWTP Hasselt
Belt thickner Belt width: 3m Sludge concentration inlet: 1g/l Sludge concentration outlet: 6g/l Flow: 150m3/h Application: municipal waste water ...
By KAMPS s.a.
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Rheological behaviors of anaerobic granular sludge in a spiral symmetry stream anaerobic bioreactor
The rheological behaviors of the anaerobic granular sludge (AGS) in a spiral symmetry stream anaerobic bioreactor (SSSAB) were investigated. Shear-thinning behavior, thixotropic behavior, concentration–viscosity behavior and temperature–viscosity behavior were evaluated based on the constitutive equation of the AGS. The results indicated that the Herschel–Bulkley model was ...
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Project - Completion of huge PVD and PHD project for smelter facility in Indonesia
CeTeau was awarded a huge project by PT Freeport Indonesia for PVD and PHD installation. Fast and efficient consolidation of the soil was required in order for the client to build the Gresik smelter plant, located in the JIIPE Gresik Industrial Estate. Once the construction is completed, the smelter facility will be processing copper, gypsum, sulfuric acid, and anode sludge concentrates covering ...
By CeTeau B.V.
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Pilot scale evaluation on ferric floc sludge concentration with pelleting flocculation blanket process
Pelleting flocculation blanket (PFB) process has been successfully applied to high turbidity suspensions for high efficient solid/liquid separation. In this paper, by using the PFB process, a dynamic experimental study was carried out on concentrating ferric flocs sludge with a scale of 1.3–5.4 m3/h. The pilot experiment aimed to optimize the conditioning system and determine the ...
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Pilot scale evaluation on ferric floc sludge concentration with pelleting flocculation blanket process
Pelleting flocculation blanket (PFB) process has been successfully applied to high turbidity suspensions for high efficient solid/liquid separation. In this paper, by using the PFB process, a dynamic experimental study was carried out on concentrating ferric flocs sludge with a scale of 1.3–5.4 m3/h. The pilot experiment aimed to optimize the conditioning system and determine the operational ...
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Effect of upflow velocity on the performance of an inclined plate membrane bioreactor treating municipal wastewater
An inclined plate membrane bioreactor (iPMBR) was introduced to meet the challenge of handling high mixed liquor suspended solids when operating at long sludge retention times. During the first 407 days of operation, the iPMBR was able to rezone more sludge (1.5–10.5 times greater) in its upstream, anoxic tank compared to its downstream, aerobic tank. This could extend membrane filtration by ...
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Considerations for the design and operation of a membrane bioreactor
This paper reviews recent advances in research focusing on the design and operation of a membrane bioreactor and including methodologies for determining the timing for hydraulic and sludge retention, sludge concentration optimisation, the removal of nitrogen and phosphorus, membrane fouling control, and the analysis of processing economics.Keywords: membrane bioreactors, activated sludge, ...
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Wastewater treatment and electricity generation by membrane less microbial fuel
Membrane less microbial fuel cell (ML-MFC) is one of the attractive approaches for the simultaneous electricity generation and wastewater treatment. In this present paper, electricity generation by ML-MFC has been studied in continuous mode. Several experiments such as effect of aeration in cathode compartment, sludge concentration, initial substrate concentration and the COD removing capability ...
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Improve bio-activity of anaerobic sludge by low energy ultrasound
This research focused on ultrasound-enhanced bio-activity of anaerobic sludge. Low energy ultrasound irradiation can increase the bio-activity of anaerobic sludge. Ultrasonic parameter, characteristics of anaerobic sludge and experimental conditions are important parameters which affect the enhancement effect on anaerobic sludge. In order to assess the effects of characteristics of anaerobic ...
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The effects of anaerobic fermentation on dehydrated sludge
Dehydrated sludge with two concentrations of total suspended solids (high: 50 g/L TSS; low: 20 g/L TSS) were studied for 20 d to investigate the effects of anaerobic fermentation on sludge properties. The results showed that the soluble chemical oxygen demand (SCOD) of high-concentration sludge was 16.53 g/L, much higher than that from the low one. The SCOD/total nitrogen ratio of ...
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Application of forward osmosis (FO) under ultrasonication on sludge thickening of waste activated sludge
Forward osmosis (FO) is an emerging process for dewatering solid–liquid stream which has the potential to be innovative and sustainable. However, the applications have still been hindered by low water flux and membrane fouling when activated sludge is used as the feed solution due to bound water from microbial cells. Hence, a novel strategy was designed to increase sludge thickening and ...
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Biodegradation and toxicity of melamine at high activated sludge concentrations in a membrane bioreactor
Melamine is recalcitrant and toxic to bacteria in conventional activated sludge systems. In this study, we investigated the degradation and toxicity of melamine in a membrane bioreactor (MBR) system operated at high activated sludge concentrations (∼8.5 g TSS/L). Melamine was dosed at 3 mg/L for about 100 days. The average melamine removal efficiency in the MBR system was 20 ± 11%. Meanwhile, ...
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Effects of longitudinal baffles on particles settling in a sedimentation basin
This study was conducted to evaluate the effects of longitudinal baffles on particles settling performance within a full-scale sedimentation basin with a flow rate of 1,000 m3/hr. Comparative experiments on turbidity removal efficiency and sludge deposit distribution were performed in longitudinally baffled and non-baffled sedimentation basins. The turbidity removal rate in the baffled ...
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UF membrane for leachate treatment
Technical details: High operational flux, long lifespan Tubular membrane diameter: 4, 6, 8, 10, 12 and 24 mm MWCO: 10k-250k Dalton Membrane materials: Polyvinylidene fluoride (PVDF), polysulfone (PS) Features: 1. Support layer: Ultrasonic welding / High mechanical stability 2. Filtration layer: PVDF coating?High COD resistance 3. Product Features: High temperature resistance: ...
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Paint
Problem: A paint manufacturer, that produces both oil and water based paints, needed help to solve their liquid sludge problem. At that time the wastewater was batch treated and consisted of a chemical addition process followed by settling. This was to be changed in the near future to a continuous type treatment system. The settled sludge consistency varied form 5% to 10%. The plant wanted to ...
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Tubular Ultrafiltration Membrane for Leachate Treatment
Technical details:High operational flux, long lifespan Tubular membrane diameter: 4, 6, 8, 10, 12 and 24 mm MWCO: 10k-250k Dalton Membrane materials: Polyvinylidene fluoride (PVDF), polysulfone (PS)Features:1. Support layer: Ultrasonic welding、High mechanical stability2. Filtration layer: PVDF coating、High COD resistance3. Product Features:High temperature resistance: 70℃High PH resistanceHigh ...
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Effect of trace metals on halophilic and mixed cultures in anaerobic treatment
Abstract: Trace metals are known to stimulate the activity of anaerobic methanogenic bacteria involved in the degradation of organic matter. The objective of this research was to investigate the effect of three trace metals, iron, nickel and cobalt on the activity of halophilic methanogens, digester sludge and a mixed culture of halophilic bacteria and digester sludge, at various salt ...
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Design of high efficiency sludge thickening tank
Considering the increasingly high environmental requirements of the wastewater treatment plant, attention should be paid to the secondary pollution control of the concentration tank when designing the concentration tank. The sludge thickener tanks generally emit odor, and new sewage plants should consider taking deodorant or deodorization measures. The rational design and operation of a ...
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Continuous treatment of Acid Red B with activated sludge bioaugmented by a yeast Candida tropicalis TL-F1 and microbial community dynamics
Continuous treatment of Acid Red B (ARB) with activated sludge (AS) bioaugmented by an azo-degrading yeast Candida tropicalis TL-F1 under aerobic conditions was investigated in the form of sequencing batch tests. Dynamics of both bacterial and fungal communities were analyzed using polymerase chain reaction followed by denaturing gradient gel electrophoresis (PCR-DGGE) method. The results ...
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Submersible microbial fuel cell for electricity production from sewage sludge
A submersible microbial fuel cell (SMFC) was utilized to treat sewage sludge and simultaneously generate electricity. Stable power generation (145 ± 5 mW/m2, 470 Ω) was produced continuously from raw sewage sludge for 5.5 days. The maximum power density reached 190 ± 5 mW/m2. The corresponding total chemical oxygen demand (TCOD) removal efficiency was 78.1 ± 0.2% with initial TCOD of 49.7 g/L. ...
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