Metal Partitioning and Toxicity in Sewage Sludge

Carlson-Ekvall, C. E. A.; Morrison, Gregory M.

doi:10.1080/09593331808616564

Cited by 7 publications

(3 citation statements)

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“…[33] A primary restriction on the use of SS as a soil improver in agriculture is their content of heavy metals. [36,37] There are numerous scientific studies that show the toxic effect for soil microorganisms (activity and microbial community) after the application of SS to the soil, mainly due to the toxic effect of heavy metals present in the chemical composition of the SS. [38][39][40][41] There are currently diverse interpretations that try to explain the negative interactions between heavy metals and the soil biochemical properties.…”

Section: Discussionmentioning

confidence: 99%

Obtaining edaphic biostimulants/biofertilizers from different sewage sludges. Effects on soil biological properties

Rodríguez-Morgado

Gómez

Parrado

et al. 2015

Environmental Technology

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We studied the influence of six edaphic biostimulants/biofertilizers (BSs) manufactured by the pH-stat method from different sewage sludge (SS): SS1 (an anaerobic mature sludge, one year old), SS2 (an aerobic young sludge, without maturation) and SS3 (an aerobic mature sludge, four months old), not previously autoclaved (A) and autoclaved (B), by analysing their effects on soil biological properties. Soil enzymatic activities were measured at 1, 3, 5, 7, 15, 30 and 60 days of the incubation period, whereas the 16S rDNA-DGGE profiles were determined at 0, 5 and 60 days. The enzymatic activities were significantly stimulated. The highest stimulation was found in the B2 treatment followed by B3, A2, A3, B1 and A1 treatments. Increasing the number of lower molecular weight proteins in the BS enhances the stimulation of soil enzymatic activities. The application of BS caused at 5 days of the incubation period temporal variations in the soil bacterial community structure.

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Section: Discussionmentioning

confidence: 99%

Obtaining edaphic biostimulants/biofertilizers from different sewage sludges. Effects on soil biological properties

Rodríguez-Morgado

Gómez

Parrado

et al. 2015

Environmental Technology

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“…The metal species measured are defined as electrochemically available. 31,32 For the passive sampler the chelating disk was eluted with 25 ml (9 1 8 1 8 ml) 3 M HNO 3 and diluted to give a final acid concentration of 0.24 M. Passive samplers and filtered water samples (as 0.24 M HNO 3 ) were analysed by inductively coupled plasma mass spectrometry (ICP-MS) in a PerkinElmer Sciex Elan 6000 and corrected for molecular ion interferences.…”

Section: Discussionmentioning

confidence: 99%

“…It is known that the dissolved speciation of Zn and Cu are different in stormwater 35 with Zn mainly in an ionic form and Cu bound as dissolved and colloidal organic complexes. The detention pond is designed to remove solids, although changes in sediment-colloid-dissolved partitioning 32 might have been expected. The passive samplers were exposed for weekly durations in parallel with conventional stormwater composite bottle samplers triggered for both time-dependent and flow-weighted sample capture.…”

Section: Time-dependent Sampling With Passive Samplermentioning

confidence: 99%

Performance of an in situ passive sampling system for metals in stormwater

Blom

Morrison

Kingston

et al. 2002

J. Environ. Monitor.

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A passive sampler has been developed and is demonstrated in situ for urban runoff. The passive sampler is compared to conventional composite (time-dependent and flow-weighted) bottle sampling during and between storm events. The sampling was carried out at established stormwater stations; before and after a stormwater detention pond. In situ deployment of the passive sampler provides the metal concentrations, corresponding to the electrochemically available fraction of total metal, for time-dependent samples collected in parallel. The sampler provides improved accuracy compared to bottle sampling because contamination during sample transport and handling is minimised. Laboratory handling is reduced by direct analysis of the accumulated metals on the receiving membrane by laser ablation inductively coupled plasma mass spectrometry. Passive sampling also solves the problem of metal speciation change during transport to the laboratory, which is a potential problem for bottle samples. The low cost and convenience of the passive sampler and subsequent analysis should allow significantly more extensive spatial and temporal monitoring of metals in the aquatic environment than has previously been possible.

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Heavy metals, PCDD/F and PCB in sewage sludge samples from two wastewater treatment facilities in Rio de Janeiro State, Brazil

Pereira

Kuch

2005

Chemosphere

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Metal Partitioning and Toxicity in Sewage Sludge

Cited by 7 publications

References 0 publications

Obtaining edaphic biostimulants/biofertilizers from different sewage sludges. Effects on soil biological properties

Obtaining edaphic biostimulants/biofertilizers from different sewage sludges. Effects on soil biological properties

Performance of an in situ passive sampling system for metals in stormwater

Heavy metals, PCDD/F and PCB in sewage sludge samples from two wastewater treatment facilities in Rio de Janeiro State, Brazil

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