2005
DOI: 10.7202/705156ar
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AOC reduction by biologically active filtration

Abstract: L'objectif de ce projet était de fournir un guide pratique de l'application des techniques de traitement biologique aux opérations de traitement actuel des eaux. Les études furent centrées sur la production d'une eau biologiquement équilibrée, sur la stabilité (l'équilibre) des désinfectants, et sur la formation moins importante de sous-produits désinfectants. Notamment, l'étude a montré que les procéssus biologiques peuvent satisfaire les besoins de la pratique aussi bien qu… Show more

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Cited by 13 publications
(12 citation statements)
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“…Therefore, poor attachment and possible detachment of the biomass may increase the bioactivity in the biofilter effluent as measured by viable adenosine triphosphate (ATP) or heterotrophic plate count (HPC). LeChevallier et al (1992) ALK/DOC ratio of 1.2 and total hardness of 56 mg/L. It is expected that higher biological activity in the biofilter effluent would offer limited benefit to a downstream UF membrane process; however, LeChevallier et al (1992) did not evaluate a membrane process downstream of the biofilter.…”
Section: Influence Of the Alkalinity To Substrate Ratio On Biofilter mentioning
confidence: 98%
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“…Therefore, poor attachment and possible detachment of the biomass may increase the bioactivity in the biofilter effluent as measured by viable adenosine triphosphate (ATP) or heterotrophic plate count (HPC). LeChevallier et al (1992) ALK/DOC ratio of 1.2 and total hardness of 56 mg/L. It is expected that higher biological activity in the biofilter effluent would offer limited benefit to a downstream UF membrane process; however, LeChevallier et al (1992) did not evaluate a membrane process downstream of the biofilter.…”
Section: Influence Of the Alkalinity To Substrate Ratio On Biofilter mentioning
confidence: 98%
“…LeChevallier et al (1992) ALK/DOC ratio of 1.2 and total hardness of 56 mg/L. It is expected that higher biological activity in the biofilter effluent would offer limited benefit to a downstream UF membrane process; however, LeChevallier et al (1992) did not evaluate a membrane process downstream of the biofilter.…”
Section: Influence Of the Alkalinity To Substrate Ratio On Biofilter mentioning
confidence: 98%
“…).which cause microbial regrowth(Van der Kooij et al 1989;LeChevallier et al 1992). However, the oxidizing ability was subjected to the characteristics of raw waters.…”
mentioning
confidence: 99%
“…Biofiltration was used as an operational practice to manage, maintain, and promote biological activity on granular media in the filter to enhance the removal of organic and inorganic constituents. In drinking water treatment, BAF following ozonation enhanced the removal of TOC as ozonation increased biodegradability of natural organic matter (Goel et al 1995, LeChevallier et al 1992). Because ozonation enriches water with oxygen, aerobic bacteria dominated in the media bed and included α‐Proteobacteria, β‐Proteobacteria, δ‐Proteobacteria, and Planctomycetes, and the amount of ammonia oxidizing bacteria decreased from the top of the media bed to the bottom (Jin et al 2013).…”
mentioning
confidence: 99%