Filamentous bulking sludge—a critical review
Bulking sludge, a term used to describe the excessive growth of filamentous … Control of activated sludge filamentous bulking—I. Effect of the hydraulic regime … In all the observed cases of biological foaming the scums were dominated by … A positive effect of anaerobic conditions on sup- pressing activated sludge … Growth and Control of Filamentous Microbes in Activated Sludge: An … Approximately 1100 activated sludge samples, mostly derived from … A comprehensive survey of activated sludge filamentous bulking causes and … A joint EU research project aimed at solving activated sludge bulking in nutrient … In a survey of activated sludge plants in Australia, where both foams and mixed … A survey of filamentous bulking and foaming in activated sludge plants in … WebFilamentous bulking is common in completely-mixed, lower F/M systems. Here, a number of filaments can cause bulking (see Table 1) because they grow better than most activated sludge floc-forming bacteria at low aeration basin BOD concentration. Intermittently-fed and plug-flow systems are more resistant to this type of bulking.
Filamentous bulking sludge—a critical review
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WebSep 23, 2024 · Past research studies have reported that filamentous sludge bulking accounts for more than 90% of sludge bulking occurred in WWTPs and significantly affects the effluent quality and ... Pagilla K, Heijnen JJ, van Loosdrecht MCM. Filamentous bulking sludge - a critical review. Water Res. 2004; 38:793–817. doi: … WebSludge bulking is the most common solids settling problem in wastewater treatment plants, which is caused by the excessive growth of filamentous bacteria extending outside the flocs, resulting in decreasing the wastewater treatment efficiency and deteriorating the water quality in the effluent. Previous studies using molecular techniques have been widely …
WebEnter the email address you signed up with and we'll email you a reset link. WebJan 1, 2002 · As part of the EU-sponsored MACOBS (Monitoring and Control of Bulking Sludge through Molecular Probe Assays) project, the size and the composition of the filamentous population in 73 industrial activated sludge plants, were investigated. ... Filamentous bulking sludge--a critical review. Martins AM, Pagilla K, Heijnen JJ, van …
WebFloc structure was considered in terms of size, shape, strength and filament index, while settleability was determined based on the sludge volume index (SVI). Generally, higher … WebFilamentous bulking sludge - a critical review. / Martins, AMP; Pagilla, K; Heijnen, JJ; van ... Contribution to journal › Article › Scientific › peer-review. TY - JOUR. T1 - …
WebJun 1, 2024 · Filamentous bulking sludge—a critical review. Water Res. (2004) ... is a critical difficulty in sludge bulking quantification. This study develops a hybrid deep-learning-based soft sensor that uses a sparse constraint stacked autoencoder (SAE) model to estimate SVI and classify bulking states in WWTP effluent to improve effluent quality ...
WebJun 9, 2024 · Bulking sludge can be approached as a microbiological problem (occurrence of a specific filamentous bacterium) or as an engineering problem (growth of bacteria … kingdom protista definitionWebJul 26, 2024 · Thus, the addition of anaerobic step rapidly inhibited sludge bulking. The average rate at which the SVI of the activated sludge decreased was 8.9 mL· (g·cycle) −1. The sludge settleability ... kingdom prep lutheran high school footballWebSep 23, 2024 · Generally, good activated sludge has SVI of 50–150 mL/g, filamentous sludge bulking with poor sludge settling property occurs at an SVI over 150 mL/g, while severe sludge bulking occurs at SVI ... kingdom planet of the apeWebCoarse pore filtration activated sludge process is a type of hybrid process in which the secondary settling tank of the conventional activated sludge process is replaced by non- woven and coarse pore filter modules. The filter has pores, which are kingdom protista species listWebFeb 1, 2004 · The Selector Effect on Filamentous Bulking in Long Sludge Age Activated Sludge Systems. D. Gabb, D. Still, George A. Ekama, D. Jenkins, G. Marais. Engineering. 1991. TLDR. From an extensive investigation into the selector reactors, and the effect these stimulate, it was concluded that in long sludge age systems, irrespective of whether or … kingdom principles for church growthWebThe control of filamentous sludge bulking has been regarded as an important issue in the activated sludge process due to there is still a lack of understanding of the bulking … kingdom prefilled communion cup with waferWebApr 11, 2016 · Their roles in sludge bulking or foaming are ... Loosdrecht, M. C. M. Filamentous bulking sludge - a critical review. Water Res 38, 793–817, 10.1016/j.watres.2003.11.005 (2004). ... G. Survey of ... kingdom planet of the a