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Survey data of sewage sludge treatment and disposal routes originated from activated sludge water treatment in France.

ABSTRACT: This paper presents data collected from a survey on sewage sludge treatment and disposal routes originated from activated sludge water treatment in France. The data of 3,679 wastewater treatment plants - representing 52% of WWTP using activated sludge and 69% of sludge disposed by these WWTP - were collected from several French organisms such as SATESE (technical support for wastewater treatment plants), water supply agencies, internal service of agricultural Chambers and public administrations in 71 French departments. The survey allows a detailed description of the processes used for sewage sludge treatment (i.e. thickening, dewatering, stabilization, drying) as well as the type of disposal routes (i.e. land application, incineration, landfill.) and the related amount of sewage sludge disposed in dry matter tons. The data are provided in a raw and analyzed form within the Excel file provided with this article.

SUBMITTER: Pradel M

PROVIDER: S-EPMC6811869 | biostudies-other | 2019 Oct

REPOSITORIES: biostudies-other

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Survey data of sewage sludge treatment and disposal routes originated from activated sludge water treatment in France.

Pradel Marilys M

Data in brief 20190919

This paper presents data collected from a survey on sewage sludge treatment and disposal routes originated from activated sludge water treatment in France. The data of 3,679 wastewater treatment plants - representing 52% of WWTP using activated sludge and 69% of sludge disposed by these WWTP - were collected from several French organisms such as SATESE (technical support for wastewater treatment plants), water supply agencies, internal service of agricultural Chambers and public administrations ...[more]

PMID: 31667302

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Project description:Anaerobic co-digestion (Co-AD) is used to increase the effectiveness of anaerobic digestion (AD) using local "wastes", adding economic and environmental benefits. Since system stability is of existential importance for the operation of wastewater treatment plants, thorough testing of potential co-substrates and their effects on the respective community and system performance is crucial for understanding and utilizing Co-AD to its best capacity. Food waste (FW) and canola lecithin (CL) were tested in mesophilic, lab-scale, semi-continuous reactors over a duration of 120 days with stepwise increased substrate addition. Key performance indicators (biogas, total/volatile solids, fatty acids) were monitored and combined with 16S-rRNA amplicon sequencing to assess the impact of co-substrate addition on reactor performance and microbial community composition (MCC). Additionally, the latter was then compared with natural shifts occurring in the wastewater treatment plant (WWTP, source) at the same time. An almost linear increase in biogas production with both co-substrates at an approximate 1:1 ratio with the organic loading rate (OLR) was observed. The MCCs in both experiments were mostly stable, but also prone to drift over time. The FW experiment MCC more closely resembled the original WWTP community and the observed shifts indicated high levels of functional redundancy. Exclusive to the CL co-substrate, a clear selection for a few operational taxonomic units (OTUs) was observed. There was little evidence for a persistent invasion and establishment of microorganisms from typical primary substrates into the stable resident community of the reactors, which is in line with earlier findings that suggested that the inoculum and history mostly define the MCC. However, external factors may still tip the scales in favor of a few r-strategists (e.g., Prolixibacter) in an environment that otherwise favors K-strategists, which may in fact also be recruited from the primary substrate (Trichococcus). In our study, specialization and diversity loss were also observed in response to the addition of the highly specialized CL, which in turn, may have adverse effects on the system's stability and reduced resilience and recovery.

Dataset Information

Survey data of sewage sludge treatment and disposal routes originated from activated sludge water treatment in France.

Publications

Survey data of sewage sludge treatment and disposal routes originated from activated sludge water treatment in France.

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