Diffuse sources of heavy metals entering an urban wastewater catchment

Rule, Krista L.; Comber, Sean; Ross, D.; Thornton, Arthur; Makropoulos, Christos; Rãutiu, R.

doi:10.1016/j.chemosphere.2005.07.052

Cited by 113 publications

(77 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As compared with heavy metal levels reported in literature for sludge collected from various WWTPs, our results (Table 1) are in good agreement with those found for Kavala by other authors [25,33], are comparable with findings for Kalamata [22], Komotini [23] and Crete [21] in Greece, for Spain [18,28,38], Poland [13,27] and Brasil [34,37], and are much lower than the values obtained for Greece at the largest WWTPs of Athens (Psyttalia and Metamorphosi) [33] and Thessaloniki [4], and also for China [35,36] and Thailand [7], probably due to the fact that the WWTPs in this study only receive domestic wastewater, while industrial wastes processed in other stations usually contain higher levels of heavy metals than residential wastes [39].…”

Section: Metal Levels In Greek Wwtps Sludgementioning

confidence: 42%

“…We hypothesize that the metals which present moderate to strong positive correlation have common origin, which could be a domestic-commercial mixed source. The information existing in the literature identified domestic inputs (tap water, food, detergents, personal care products, toilet, dissolution of internal parts of domestic appliances, plumbing) as the largest overall sources of Cu, Zn and Pb entering the urban WWTP system [1,5,6,39]. Estimates of Ni loadings from domestic sources are highly variable and this contribution may be similar to, or greater than, the commercial input [1].…”

Section: Temporal Variations Of Sludge Metal Contentsmentioning

confidence: 99%

See 1 more Smart Citation

Temporal variability of sewage sludge heavy metal content from Greek wastewater treatment plants

Spanos

Ene

Patronidou

et al. 2016

Ecological Chemistry and Engineering S

View full text Add to dashboard Cite

Abstract:The aim of this study was to evaluate the temporal variations of selected heavy metals level in anaerobic fermented and dewatered sewage sludge. Sewage sludge samples were collected in different seasons and years from three municipal wastewater treatment plants (WWTPs) located in Northern Greece, in Kavala (Kavala and Palio localities) and Drama (Drama locality) Prefectures. An investigation of the potential of sludge utilization in agriculture was performed, based on the comparison of average total heavy metal concentrations and of chromium species (hexavalent, trivalent) concentrations with the allowed values according to the Council Directive 86/278/EEC and Greek national legislation (Joint Cabinet Decision 80568/4225/91) guidelines. In this regard, all the investigated heavy metals (Cd, Cr, Cu, Ni, Pb, Zn, Hg) and chromium species Cr(VI) and Cr(III) have average concentrations (dry matter weight) well below the legislated thresholds for soil application, as following: 2.12 mg kg -1 Cd; 103.7 mg kg -1 Cr; 136.4 mg kg -1 Cu; < 0.2 mg kg -1 Hg; 29.1 mg kg -1 Ni; 62.0 mg kg -1 Pb; 1253.2 mg kg -1 Zn; 1.56 mg kg -1 Cr(VI) and 115.7 mg kg -1 Cr(III). Values of relative standard deviation (RSD) indicate a low or moderate temporal variability for domestic-related metals Zn (10.3-14.7%), Pb (27.9-44.5%) and Cu (33.5-34.2%), and high variability for the metals of mixed origin or predominantly resulted from commercial activities, such as Ni (42.4-50.7%), Cd (44.3-85.5%) and Cr (58.2-102.0%). For some elements the seasonal occurrence pattern is the same for Kavala and Palio sludge, as following: a) Cd and Cr: spring>summer>winter; b) Cu, Ni and Pb: winter>spring>summer. On average, in summer months (dry season) metal concentrations are lower than in spring and winter (wet seasons), with the exception of Zn. For Kavala and Palio the results demonstrate that the increased number of inhabitants (almost doubled) in summer time due to tourism does not influence the metal levels in sludge. Comparing the results obtained for similar spring-summerwinter sequences in 2007 and 2010/11 and for the spring season in 2007, 2008 and 2010, it can be noticed that, in general, the average heavy metal contents show an increasing tendency towards the last year. In all the measurement periods, the Palio sludge had the highest metal contents and Kavala sludge the lowest, leading to the conclusion that the WWTP operating process rather than population has a significant effect upon the heavy metal content of sludge. Cr(VI)/Cr(total) concentration ratios are higher for Kavala sludge in the majority of sampling campaigns, followed by Drama and Palio sludge. The metals which present moderate to strong positive correlation have common origin, which could be a domestic-commercial mixed source.

show abstract

Section: Metal Levels In Greek Wwtps Sludgementioning

confidence: 42%

Section: Temporal Variations Of Sludge Metal Contentsmentioning

confidence: 99%

Temporal variability of sewage sludge heavy metal content from Greek wastewater treatment plants

Spanos

Ene

Patronidou

et al. 2016

Ecological Chemistry and Engineering S

View full text Add to dashboard Cite

show abstract

“…Even up to 90% of the total suspension is a mineral slurry in the form of sand, gravel and soil particles, which absorbs other impurities on its porous surface. Strict relations were found between the amount of suspension and the chemical and biochemical oxygen demand as well as the concentration of heavy metals [5,6]. The most commonly used devices for preclining rain watercourses include various types of separators, settling tanks, absorbent wells, sediment ponds, soil filters, etc.…”

Section: Issues Rainwatermentioning

confidence: 99%

Contamination content introduced with rain water to the rivers after they have been cleaned in separators of petroleum compounds

Łapiński

Wiater

2018

E3S Web Conf.

View full text Add to dashboard Cite

Abstract. The article presents the results of rainwater quality studies. The rainwater flowing from the surface of urbanized areas of the city of Białystok discharged into the river after they have been cleansed with separators petroleum compounds. Also discussed are issues related to with rain water and the problem to need develop them. Contaminated flushes from sealed surfaces such as street squares, sidewalks, parking lots, etc., during periods of rain or thawing, pose a serious threat to the natural environment. The work presents analyzes of such pollutants as general slurry, heavy metals, chlorides, BOD 5 , COD, etc., which once penetrate rainwater into Biała River. Five measurement and control points located in a typical urban drainage basin were selected for the study. The tests were taken in the spring of 2017 in two measuring series. The first series was taken during the long-term precipitation, while the second was after the almost one-month rain-free period, at the time of the first precipitation.

show abstract

“…Source analyses of Cu for isolated recipients or entire municipalities have been frequently published in the literature [1][2][3][4]. Fate models for Cu in lakes have been suggested by e.g., Lindström and Håkanson [5], Woodfine et al [6], Mackay et al [7] and Heijungs [8].…”

Section: Introductionmentioning

confidence: 99%

Sources and fates of heavy metals in complex, urban aquatic systems: modelling study based on Stockholm, Sweden

Malmström

Rolli

Cui

et al. 2009

WIT Transactions on Ecology and the Environment

View full text Add to dashboard Cite

Despite management of point sources, heavy metals today remain at an elevated level in the urban environment, with diffuse sources dominating the emissions. In order to manage these pollutants, it is necessary to understand the coupling between the urban sources of heavy metals and their monitored, environmental levels, for example in aquatic sediments. In this work, we suggest a simple approach to quantitatively model Cu from its urban sources through a complex aquatic system. We apply the proposed model to Stockholm, situated between Lake Mälaren and the archipelago of the Baltic sea, and discuss data availability along with conceptual difficulties. Using literature data, we show that Cu occurs at elevated levels in the aquatic sediment close to the centre of Stockholm, Sweden.

show abstract

Diffuse sources of heavy metals entering an urban wastewater catchment

Cited by 113 publications

References 8 publications

Temporal variability of sewage sludge heavy metal content from Greek wastewater treatment plants

Temporal variability of sewage sludge heavy metal content from Greek wastewater treatment plants

Contamination content introduced with rain water to the rivers after they have been cleaned in separators of petroleum compounds

Sources and fates of heavy metals in complex, urban aquatic systems: modelling study based on Stockholm, Sweden

Contact Info

Product

Resources

About