Search Results - "Vollertsen, J. J."
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Every breath you take: High concentration of breathable microplastics in indoor environments
Published in Chemosphere (Oxford) (01-08-2024)“…The widespread presence of microplastics (MPs) in the air and their potential impact on human health underscore the pressing need to develop robust methods for…”
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Journal Article -
2
It matters how we measure - Quantification of microplastics in drinking water by μFTIR and μRaman
Published in Heliyon (01-09-2023)“…The water treatment for microplastics (MP) at a Danish groundwater-based waterworks was assessed by Fourier-Transform IR micro-spectroscopy (μFTIR) (nominal…”
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Journal Article -
3
Towards a better understanding of sewer exfiltration
Published in Water research (Oxford) (01-05-2008)“…This paper gives a full review of the importance of sewer leakage, which has received increased attention throughout the last decades. Despite the intensive…”
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Journal Article -
4
Sulfide–iron interactions in domestic wastewater from a gravity sewer
Published in Water research (Oxford) (01-07-2005)“…Interactions between iron and sulfide in domestic wastewater from a gravity sewer were investigated with particular emphasis on redox cycling of iron and iron…”
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Journal Article -
5
Heavy metals, PAHs and toxicity in stormwater wet detention ponds
Published in Water science and technology (01-01-2011)“…Concentrations of 6 different heavy metals and total polycyclic aromatic hydrocarbons (PAHs) were determined in stormwater runoff and in the pond water of two…”
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6
Anoxic sulfide oxidation in wastewater of sewer networks
Published in Water Science & Technology (01-01-2005)“…Investigations on anoxic sulfide oxidation in wastewater under sewer conditions are presented. Batch tests were designed and conducted to study both chemical…”
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Conference Proceeding Journal Article -
7
Kinetics of aerobic oxidation of volatile sulfur compounds in wastewater and biofilm from sewers
Published in Water science and technology (01-01-2013)“…Laboratory experiments were conducted to investigate the kinetics of aerobic chemical and biological oxidation of selected odorous volatile sulfur compounds…”
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Journal Article -
8
A sewer process model as planning and management tool--hydrogen sulfide simulation at catchment scale
Published in Water science and technology (01-01-2011)“…The collection system of a major city at the Persian Gulf was simulated for bulk water hydrogen sulfide and the release of sewer gas to the urban atmosphere…”
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Journal Article -
9
Hydrolysis and fermentation of activated sludge to enhance biological phosphorus removal
Published in Water Science & Technology (01-01-2006)“…The conventional mainstream enhanced biological phosphorus removal (EBPR) process depends on the quality of the raw incoming wastewater. An alternative…”
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Journal Article Conference Proceeding -
10
A method for on-line measurement of wastewater organic substrate oxidation level during aerobic heterotrophic respiration
Published in Water science and technology (01-01-2013)“…A method for on-line measurement of the organic carbon oxidation level (OXC) during aerobic heterotrophic respiration in domestic wastewater was developed and…”
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Journal Article -
11
Exfiltration from gravity sewers: a pilot scale study
Published in Water science and technology (01-01-2003)“…Pilot-scale experiments were conducted on exfiltration of wastewater from gravity sewers. The effect of storm events, flushing of pipes and alternating…”
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Journal Article -
12
Sewer exfiltration and the colmation layer
Published in Water science and technology (01-01-2009)“…Sewer rig studies demonstrate a rapid exponential decline in exfiltration rates from gaps and joints to establish an ultimate steady-state equilibrium varying…”
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Journal Article -
13
Introducing the emission process of hydrogen sulfide to a sewer process model (WATS)
Published in Water Science & Technology (01-01-2003)“…Emission of hydrogen sulfide in sewer networks results in odor, health and corrosion problems. These problems generally occur when wastewater is transported…”
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Journal Article Conference Proceeding -
14
The sewer as a bioreactor: a dry weather approach
Published in Water science and technology (01-01-2002)“…The sewer is a reactor for chemical and microbial transformations of wastewater. These in-sewer processes affect the quality of the wastewater and thereby the…”
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Conference Proceeding Journal Article -
15
Hydrogen sulfide emission in sewer networks: a two-phase modeling approach to the sulfur cycle
Published in Water Science & Technology (01-01-2004)“…Wherever transport of anaerobic wastewater occurs, potential problems associated with hydrogen sulfide in relation to odor nuisance, health risk and corrosion…”
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Journal Article Conference Proceeding -
16
Biodegradability of wastewater: a method for COD-fractionation
Published in Water science and technology (01-01-2002)“…Characterization of wastewater for simulation of in-sewer transformations can be carried out by interpretation of oxygen uptake rate measurements in…”
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Conference Proceeding Journal Article -
17
Sustainable management of leakage from wastewater pipelines
Published in Water Science & Technology (01-01-2005)“…Wastewater pipeline leakage is an emerging concern in Europe, especially with regards to the potential effect of leaking effluent on groundwater contamination…”
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Journal Article Conference Proceeding -
18
A process and model concept for microbial wastewater transformations in gravity sewers
Published in Water science and technology (01-01-1998)“…A fundamental and conceptual description of the microbial system in sewers in terms of wastewater organic matter transformations is presented. The description…”
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Journal Article -
19
Chemical sulfide oxidation of wastewater--effects of pH and temperature
Published in Water Science & Technology (01-01-2004)“…In this study, the kinetics and stoichiometry of chemical sulfide oxidation of wastewater from sewer networks were investigated. Based on experiments, it was…”
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Journal Article Conference Proceeding -
20
Survival of hydrogen sulfide oxidizing bacteria on corroded concrete surfaces of sewer systems
Published in Water science and technology (01-01-2008)“…The activity of hydrogen sulfide oxidizing bacteria within corroded concrete from a sewer manhole was investigated. The bacteria were exposed to hydrogen…”
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Journal Article