2010
DOI: 10.2166/9781780403489
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Evaluation of Processes to Reduce Activated Sludge Solids Generation and Disposal

Abstract: This project will deal with a number of aspects of WAS-onlyreduction technologies for both industrial and municipal wastewater treatment applications. The objectives of this project include the following:

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Cited by 3 publications
(4 citation statements)
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“…Should the microscreen and hydrocyclone remove some active biomass or endogenous residue, the secondary sludge yield could be further reduced to less than 0.10 g TSS/g COD (0.20 g TSS/g BOD). These theoretical values are coherent with those reported by Johnson et al (2008), Menniti et al (2010) and Sandino and Whitlock (2010) of 0.10 g TSS/g COD for secondary sludge and 0.05 to 0.13 g TSS/g COD for a "trash and grit yield" at long SRTs.…”
Section: Resultssupporting
confidence: 91%
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“…Should the microscreen and hydrocyclone remove some active biomass or endogenous residue, the secondary sludge yield could be further reduced to less than 0.10 g TSS/g COD (0.20 g TSS/g BOD). These theoretical values are coherent with those reported by Johnson et al (2008), Menniti et al (2010) and Sandino and Whitlock (2010) of 0.10 g TSS/g COD for secondary sludge and 0.05 to 0.13 g TSS/g COD for a "trash and grit yield" at long SRTs.…”
Section: Resultssupporting
confidence: 91%
“…For this purpose, a number of technologies have been developed that use some combination of physical, chemical, biological and thermal processes. With these processes, sludge reduction takes place on the basis of one or more of the following three mechanisms: 1) increasing the rate of degradation by solubilizing sludge solids, 2) increasing the extent of degradation by making biodegradable a portion of the unbiodegradable components and 3) modifying the treatment process, such as by removing unbiodegradable components (Sandino and Whitlock, 2010).…”
Section: Introductionmentioning
confidence: 99%
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“…This normally requires the use of extensive pilot testing to demonstrate the actual cost-effectiveness of incorporating these modifications to an existing facility (Sandino & Whitlock, 2010;Dhar et al, 2012). Potential energy recovery from sludge is also affected by the quantity and quality of the sludge generated from the AS process.…”
Section: Reducing Sludge Processing and Disposal Costsmentioning
confidence: 99%