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Thematische Bibliographien / Sewage sludge / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Sewage sludge“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 25. Juli 2025

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1

Aira, Manuel, Ana Gómez-Roel, and Jorge Domínguez. "Earthworms Significantly Alter the Composition, Diversity, Abundance and Pathogen Load of Fungal Communities in Sewage Sludge from Different Urban Wastewater Treatment Plants." Pathogens 14, no. 5 (2025): 409. https://doi.org/10.3390/pathogens14050409.

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Management of sewage sludge is of ongoing concern because this waste product is generated continuously and contains high levels of harmful constituents. Among these constituents, fungal pathogens are of increasing concern. Vermicomposting can reduce the amounts of bacterial pathogens in sewage sludge; however, information about the effects of earthworms on fungal pathogens is limited or non-existent. We therefore aimed to determine whether vermicomposting can control fungal pathogens present in sewage sludge. Using next-generation sequencing techniques, we characterized fungal communities in s

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Tiwari, Soni, Prabhash Kumar Pandey, Ranjan Singh, et al. "Detoxification of Sewage Sludge by Natural Attenuation and its Application as a Fertilizer-A Review." International Journal of Current Microbiology and Applied Sciences 12, no. 4 (2023): 71–85. http://dx.doi.org/10.20546/ijcmas.2023.1204.008.

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Sewage sludge generated from the waste-water treatment systems can play an essential role as fertilizers in the agriculture system. Sewage sludges have hazardous toxic materials; therefore, their application is minimal. Proper dumping of sludge produced via waste-water treatment plants (WWTP) has been categorized as severe ecological trouble and a feasible option to be used in farming formerly sewage sludge is affluent in natural substance and nutrients. On the other hand, sewage sludge contains various toxic agents therefore special attention is required for its application in farming to evad

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da Silva, Paulo Henrique Müller, Fabio Poggiani, and Jean Paul Laclau. "Applying Sewage Sludge toEucalyptus grandisPlantations: Effects on Biomass Production and Nutrient Cycling through Litterfall." Applied and Environmental Soil Science 2011 (2011): 1–11. http://dx.doi.org/10.1155/2011/710614.

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In most Brazilian cities sewage sludge is dumped into sanitary landfills, even though its use in forest plantations as a fertilizer and soil conditioner might be an interesting option. Sewage sludge applications might reduce the amounts of mineral fertilizers needed to sustain the productivity on infertile tropical soils. However, sewage sludge must be applied with care to crops to avoid soil and water pollution. The aim of our study was to assess the effects of dry and wet sewage sludges on the growth and nutrient cycling ofEucalyptus grandisplantations established on the most common soil typ

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Facchini, Francesco, Giovanni Mummolo, and Micaela Vitti. "Scenario Analysis for Selecting Sewage Sludge-to-Energy/Matter Recovery Processes." Energies 14, no. 2 (2021): 276. http://dx.doi.org/10.3390/en14020276.

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The sewage sludges are the byproducts of the wastewater treatment. The new perspective of the wastewater value chain points to a sustainable circular economy approach, where the residual solid material produced by sewage sludge treatments is a resource rather than a waste. A sewage sludge treatment system consists of five main phases; each of them can be performed by different alternative processes. Each process is characterized by its capability to recover energy and/or matter. In this paper, a state of the art of the sludge-to-energy and sludge-to-matter treatments is provided. Then, a scena

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Arrobas, Margarida, Ramily Meneses, Andressa Gribler Gusmão, Julieta Moreira da Silva, Carlos Manuel Correia, and Manuel Ângelo Rodrigues. "Nitrogen-Rich Sewage Sludge Mineralized Quickly, Improving Lettuce Nutrition and Yield, with Reduced Risk of Heavy Metal Contamination of Soil and Plant Tissues." Agronomy 14, no. 5 (2024): 924. http://dx.doi.org/10.3390/agronomy14050924.

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Sewage sludge should primarily find use in agriculture, reducing the quantity directed towards alternative disposal methods like incineration or deposition in municipal landfills. This study evaluated the agronomic value and the risk of soil and plant tissue contamination with heavy metals in sewage sludge obtained from two wastewater treatment plants (WWTP). The experiment was arranged as a 2 × 5 factorial (two sewage sludges, five sanitation treatments), involving lettuce cultivation in pots over two growing cycles. The two sewage sludges were sourced from the WWTPs of Gelfa and Viana do Cas

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Cheng, H. F., S. Y. Chen, and J. G. Lin. "Hazardous organic matters in municipal sewage sludge in Taiwan." Water Science and Technology 44, no. 10 (2001): 65–70. http://dx.doi.org/10.2166/wst.2001.0582.

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Application of municipal sewage sludge to agricultural land has attracted significant attention in recent years because it conserves abundant nutrients and hydrocarbons that can be used as a soil amendment. The presence of hazardous organic matters (HOMs) in sewage sludge limits the feasibility of reuse of sewage sludge. The purpose of this study was to investigate the types and the concentrations of HOMs in municipal sewage sludge in Taiwan. An efficient SFE/GC/MS method was used to determine HOMs in sludge samples. The results indicated that di-(2-ethylhexyl) phthalate (DEHP) was persistentl

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Samson, K. A., and G. A. Ekama. "An assessment of sewage sludge stability with a specific oxygen utilization rate (SOUR) test method." Water Science and Technology 42, no. 9 (2000): 37–40. http://dx.doi.org/10.2166/wst.2000.0165.

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Sewage sludge treatment systems are intended to stabilize the sludge so that its disposal or reuse can be environmentally acceptable. However, stabilized sludges may still contain residual biodegradable organic matter that can be environmentally a nuisance. This paper presents a specific oxygen utilization rate [SOUR, mgO2/(gVSS·h)] batch reactor test method to quantify the residual biodegradable organic matter content of the treated (stabilized) sewage sludges. The results of the study, in which 37 SOUR batch tests were done on 10 different sewage sludges, show that the SOUR, when determined

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Rio, S., C. Faur-Brasquet, L. Le Coq, D. Lecomte, and P. Le Cloirec. "Preparation and characterization of activated carbon from sewage sludge: carbonization step." Water Science and Technology 49, no. 1 (2004): 139–46. http://dx.doi.org/10.2166/wst.2004.0041.

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Sewage sludges produced from wastewater treatment plants continue to create environmental problems in terms of volume and method of valorization. Thermal treatment of sewage sludge is considered as an attractive method in reducing sludge volume which at the same time produces reusable by-products. This paper deals with the first step of activated carbon production from sewage sludge, the carbonization step. Experiments are carried out on viscous liquid sludge and limed sludge by varying carbonization temperature and heating rate. The results show that carbonized residue properties are interest

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Meunier, N., R. D. Tyagi, and J. F. Blais. "Traitement acide pour la stabilisation des boues d'épuration." Canadian Journal of Civil Engineering 23, no. 1 (1996): 76–85. http://dx.doi.org/10.1139/l96-008.

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Chemical stabilization of sewage sludge is one of the most researched alternative to conventional biological digestion. The present research was therefore dedicated to studying a new acid treatment process for residual sludge from wastewater treatment, both industrial and municipal. This study demonstrated that sludge acidification (pH = 2.0–2.5) with sulphuric acid brings about a very rapid hydrolysis and mineralization of organic matter of the biomass that causes a significant reduction in sludge solids. This simple and efficient process of acidification for a partial digestion of different

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Chu, C. W., C. S. Poon, and R. Y. H. Cheung. "Characterization of raw sludge, chemically modified sludge and anaerobically digested sludge in Hong Kong." Water Science and Technology 38, no. 2 (1998): 25–32. http://dx.doi.org/10.2166/wst.1998.0095.

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Chemically Enhanced Primary Treatment (CEPT) or Chemically Assisted Primary Sedimentation (CAPS) is being employed at the new sewage work on Stonecutters Island as part of the Strategic Sewage Disposal Scheme (SSDS) in Hong Kong. CAPS involves the use of chemical coagulants (such as lime or ferric chloride) to induce coagulation or flocculation and let these finely-divided particles form large aggregates (floc) so that they can settle out within a reasonable period of time. In this study, five sludge samples collected from different sewage treatment plants in Hong Kong were physically and chem

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Hu, Mian Hao, and Ju Hong Yuan. "Heavy Metal Speciation of Sewage Sludge and its Phytotoxic Effects on the Germination of Three Plant Species." Advanced Materials Research 347-353 (October 2011): 1022–30. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1022.

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The environmental impact of sewage sludges depends on the availability and phytotoxicity of their heavy metal. The influence of representative sludges (industrial sludge and municipal sludge) on the availability of heavy metals, and their effects on seed germination were compared. The total heavy metal concentrations were below the maximum permitted for land applied waste and the differences among them were small. The DTPA-extracted metal concentrations were significant different. The sum of all the fractions in the slugdes was close to the total metal content as determined by extraction with

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Morera, M. T., J. C. Echeverría, and J. J. Garrido. "Mobility of heavy metals in soils amended with sewage sludge." Canadian Journal of Soil Science 81, no. 4 (2001): 405–14. http://dx.doi.org/10.4141/s00-043.

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Sewage sludges added to arable land can improve soil fertility and physical properties. However, the concentrations of heavy metals commonly found in sludges limits their application to soil. The purpose of this paper is to evaluate the mobility of heavy metals (Cd, Cu, Ni, Pb and Zn) in four soils amended with different rates (0, 80, 60 and 320 t ha–1) of anaerobically stabilized urban sewage sludge. Total metal content in the sewage sludge was Zn >> Cu > Pb > Ni >> Cd. Sludge, soils and sludge-soil mixtures were fractionated by the Tessier sequential extraction procedure. T

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Hiraishi, Akira, Yoko Ueda, and Junko Ishihara. "Quinone Profiling of Bacterial Communities in Natural and Synthetic Sewage Activated Sludge for Enhanced Phosphate Removal." Applied and Environmental Microbiology 64, no. 3 (1998): 992–98. http://dx.doi.org/10.1128/aem.64.3.992-998.1998.

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ABSTRACT Respiratory quinones were used as biomarkers to study bacterial community structures in activated sludge reactors used for enhanced biological phosphate removal (EBPR). We compared the quinone profiles of EBPR sludges and standard sludges, of natural sewage and synthetic sewage, and of plant scale and laboratory scale systems. Ubiquinone (Q) and menaquinone (MK) components were detected in all sludges tested at molar MK/Q ratios of 0.455 to 0.981. The differences in MK/Q ratios were much larger when we compared different wastewater sludges (i.e., raw sewage and synthetic sewage) than

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Dokulilová, Tereza, Tomáš Vítěz, Jan Chovanec, Robert Rouš, Monika Vítězová, and Ivan Kushkevych. "Primary and Activated Sludge Biogas Production: Effect of Temperature." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 66, no. 1 (2018): 23–28. http://dx.doi.org/10.11118/actaun201866010023.

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Sewage sludge management is a problem of growing importance. Anaerobic sewage sludge stabilization is commonly used technology, where organic matter contained in primary and activated sewage sludge is converted into biogas, so both, pollution control and energy recovery can be achieved. The paper deals with the effect of process temperature (36 °C, 42 °C and 50 °C) on biogas production and quality during anaerobic stabilization of primary and activated sewage sludge generated during purifying process in low‑loaded activated sludge process. Primary and activated sewage sludge samples were taken

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Zere Taskin, Sinem, and Ugur Bilgili. "Using Sewage Sludge as Alternative Fertilizer: Effects on Turf Performance of Perennial Ryegrass." Sustainability 15, no. 18 (2023): 13597. http://dx.doi.org/10.3390/su151813597.

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Two years of research were carried out to evaluate the effects of various sewage sludge and nitrogen doses on the turf performance of perennial ryegrass (Lolium perenne L.) under Mediterranean-type climatic conditions. Four nitrogen sources (NS) [NS1: ammonium nitrate (26%), NS2: Bursa City’s wastewater treatment plant’s waste, NS3: biogas production plant reactor waste, and NS4: food processing and canning factory’s sludge waste] were used in the research. Four different nitrogen doses (0.0, 2.0, 4.0, and 6.0 g m−2) were applied. The sewage sludges were analyzed before the start of the resear

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Stürmer, Bernhard, and Melanie Waltner. "Best Available Technology for P-Recycling from Sewage Sludge—An Overview of Sewage Sludge Composting in Austria." Recycling 6, no. 4 (2021): 82. http://dx.doi.org/10.3390/recycling6040082.

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In order to close the phosphorus cycle in the long term, efficient recycling processes are necessary to ensure that this critical nutrient can be returned to arable land. Sewage sludge recycling is of particular importance due to the relatively high phosphorus content of sewage sludge. In this article, the current recycling paths of Austrian sewage sludge are highlighted, focusing on the advantages and limitations of sewage sludge composting. In addition to nutrient contents, pollutant loads were also analyzed in order to also discuss the limitations of this recycling pathway. Therefore, data

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Ostojski, Arkadiusz. "Elementary analysis and energetic potential of the municipal sewage sludges from the Gdańsk and Kościerzyna WWTPs." E3S Web of Conferences 26 (2018): 00004. http://dx.doi.org/10.1051/e3sconf/20182600004.

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This paper aims to present municipal sewage sludge (MSS) elementary analysis and energetic potential based on measurement of heat of combustion (higher heating value HHV) and calculation of calorific values (lower heating value LHV). The analysis takes into the consideration water content in sewage sludge, at different utilization stages, in wastewater treatment plants in Gdańsk Wschód and Kościerzyna – Pomeranian Voivodeship. The study yielded the following results (in % dry matter): ash 19÷31 %, C - 31÷36 %, H - 5÷6 %, N - 4÷6 %, O - 28÷32 %, S – 1 %. Calorific value of stabilized sludges in

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Balík, J., P. Tlustoš, J. Száková, D. Pavlíková, and J. Černý. "The accumulation of zinc in oat grown in soils treated by incubated sewage sludge with peat and straw." Plant, Soil and Environment 48, No. 12 (2011): 548–55. http://dx.doi.org/10.17221/4411-pse.

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The effect of addition of treated sewage sludge on the accumulation of Zn in plants was tested in pot experiment. The additions of eight months preincubated sewage sludge at temperature of 20&deg;C under aerobic and anaerobic conditions with addition of peat and straw were tested. Two different combinations were designed: first consisted of 50% sludge + 35% peat and 15% straw, and second was made of 50% sludge + 5% peat and 45% straw (expressed as dry matter). Three different soils Chernozems, Luvisols, and Fluvisols and three sludges were tested in the experiment. Oat (cv. Pan) was plante

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Ahmed, M. Feroze, and Tanvir Ahmed. "Characterization of sewage sludge particles influencing dewaterability." Journal of Bangladesh Academy of Sciences 48, no. 2 (2024): 171–84. https://doi.org/10.3329/jbas.v48i2.72132.

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This study presents an investigation into the fundamental characteristics of sludge particles that influence the dewaterability of sewage sludge. Dewatering of sewage sludge is required for the reduction of sludge volume, sludge treatment, and safe disposal of sludges having very high pollution potentials. Particle characteristics important for dewatering, like particle size distribution, particle density, bound water content, surface charge, protein, and polysaccharide content of activated and digested sludges, were determined. Without a suitable method for analyzing the total range of partic

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Wang, Jie, Yan Li Yi, Feng De Tang, et al. "Effects of Composted Sewage Sludge on the Enzyme Activities in the Aeolian Sandy Soil." Advanced Materials Research 518-523 (May 2012): 3341–44. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.3341.

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A field experiment was conducted to investigate the effects of composted sewage sludge’s application on the dynamics change of enzyme activities in aeolian sandy soil. The composted sewage sludge was applied to the soil at 0,2,5,10,15,20 and 25 t·ha-1 respectively. The effects of various sewage sludge dosages on the soil’s enzyme activities were evaluated by measuring urease,sucrase,neutral phosphatase and catalase at different time intervals of 15,50,80,110 and 150 days after the addition of sewage sludge to the soil.The results showed that the urease,sucrase,neutral phosphatase and catalase

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Iticescu, Catalina, Puiu-Lucian Georgescu, Maxim Arseni, et al. "Optimal Solutions for the Use of Sewage Sludge on Agricultural Lands." Water 13, no. 5 (2021): 585. http://dx.doi.org/10.3390/w13050585.

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The use of sewage sludge in agriculture decreases the pressure on landfills. In Romania, massive investments have been made in wastewater treatment stations, which have resulted in the accumulation of important quantities of sewage sludge. The presence of these sewage sludges coincides with large areas of degraded agricultural land. The aim of the present article is to identify the best technological combinations meant to solve these problems simultaneously. Adapting the quality and parameters of the sludge to the specificity of the land solves the possible compatibility problems, thus reducin

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Winter, P., and S. C. Duckham. "Analaysis of volatile odour compounds in digested sewage sludge and aged sewage sludge cake." Water Science and Technology 41, no. 6 (2000): 73–80. http://dx.doi.org/10.2166/wst.2000.0095.

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A number of malodorous compounds were identified in digested sludge and the corresponding sludge cakes. The major components included a number of sulfides. The levels of these compounds were monitored in order to investigate the influence of the sludge treatment process and length of cake storage on the malodour of treated sewage sludge. Two sewage treatment works (STWs) were surveyed. One of the works (Site B) produced very malodorous sludge cake, whilst the other produced a much less odorous cake (Site A). The analysis consisted of purge and trap sampling of liquefied samples followed by gas

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Dregulo, A. M. "A STUDY OF HEAVY METAL COMPOSITIONS AND PHOSPHATES IN POLYMER SUBSTANCES OF THE ACTIVATED SLUDGE BIOMASS." Water and Ecology 25, no. 3 (2020): 8–13. http://dx.doi.org/10.23968/2305-3488.2020.25.3.8-13.

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Introduction. Heavy metals discharged with wastewater can lead to a toxic effect on the microbiocenosis of activated sludge and significantly decrease the degree of wastewater treatment, which dictates the need for a more detailed study and search for ways to detoxify activated sludge at the recycling stage and, at the same time, solve the problems of the neutralization of sewage sludge for safe soil disposal. To ensure the adequacy of the approach to the choice of the methodology for the neutralization of sludge, including sewage sludge, it is necessary to perform compositional analysis of th

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Stoll, U., and K. Parameswaran. "Treatment and disposal of domestic sewage sludge and nightsoil sludge for Bangkok." Water Science and Technology 34, no. 11 (1996): 209–17. http://dx.doi.org/10.2166/wst.1996.0282.

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In the recent past, treatment and disposal of sewage sludge has become an expensive and environmentally sensitive problem in western countries. It is becoming a growing problem worldwide with its focus on the megacities in the newly developed countries, since sludge production will continue to increase as new sewage treatment plants are built and environmental quality standards become more stringent. With some traditional disposal routes coming under pressure, the challenge facing the wastewater treatment authorities is to find cost-effective and environmentally sound solutions whilst respondi

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Cheng, H. F., S. Y. Chen, and J. G. Lin. "Biodegradation of di-(2-ethylhexyl) phthalate in sewage sludge." Water Science and Technology 41, no. 12 (2000): 1–6. http://dx.doi.org/10.2166/wst.2000.0227.

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Di-(2-ethylhexyl) phthalate (DEHP) is widely used as a plasticizer in the production of polyvinyl chloride to impart flexibility to the product. Because of its mutagenicity and carcinogenicity, the presence of DEHP in sludge limits the application of sludge as a soil fertilizer. In this study, sludges were collected from three sewage treatment plants and thirteen wastewater treatment plants of different industries in Taiwan. A supercritical fluid extraction (SFE) was first established as an effective method for determining the concentration of DEHP in sludge. Laboratory-scale land-simulated ex

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Öden, Muhammed Kamil, İrfan Özer, and Bilgehan Yabgu Horasan. "Arıtma Çamurlarının Tarımsal Alanlarda Kullanım Örneklerinin Araştırılması." Turkish Journal of Agriculture - Food Science and Technology 7, no. 5 (2019): 743. http://dx.doi.org/10.24925/turjaf.v7i5.743-749.2400.

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Nowadays, due to some reasons, soil quality deteriorates, soil organic matter decreases, and plant growth is adversely affected such as damaging agricultural practices, unconscious pesticide and fertilizer use. There is also treatment sludge among the methods that will contribute to the soil. Sewage sludge, the inevitable by-product of municipal and other wastewater treatment plant operations, is a key issue in many countries due to its increasing volume and the impacts associated with its disposal. This environmentally hazardous treatment sludge can be significantly reduced by anaerobic diges

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Basta, Nicholas T. "Sewage sludge." Field Crops Research 44, no. 1 (1995): 51–52. http://dx.doi.org/10.1016/0378-4290(95)90081-0.

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Hoffmann, Gaston, Daniel Schingnitz, and Bernd Bilitewski. "Comparing different methods of analysing sewage sludge, dewatered sewage sludge and sewage sludge ash." Desalination 250, no. 1 (2010): 399–403. http://dx.doi.org/10.1016/j.desal.2009.09.064.

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Bwapwa, Joseph K. "Overview on Bioconversion of Domestic Wastewater Sewage Sludge into Green Energy: Biogas and Hydrogen." International Journal of Environmental Science and Development 12, no. 8 (2021): 232–41. http://dx.doi.org/10.18178/ijesd.2021.12.8.1345.

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Municipal wastewater treatment plants generate large amounts of sludge after a set of unit processes. The sewage sludge is an important resource for energy production because of its high level of biodegradability. Sewage sludges are generally made of non-toxic and biodegradable organic compounds mixed with a small fraction of non-toxic and toxic inorganic compounds having a very low biodegradability. The large fraction of biodegradable matter constitutes a pool for green/clean energy to be used for industrial and domestic applications. The generated energy can also be used in the wastewater tr

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Gouvea, Glaucia De Mello Cunha, Victor Ventura de Souza, Glaucio De Mello Cunha, and Tatiana Da Silva Souza. "Effects of sewage sludge on the growth of coffea arabica seedlings and cell cycle of Allium cepa." Holos Environment 19, no. 4 (2019): 657. http://dx.doi.org/10.14295/holos.v19i4.12357.

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Sewage sludge can contain toxic compounds and pathogens therefore it agronomic use must occur in a safer way to the population and environment. The objective of this study was to investigate the effects of substrates containing different proportions of sanitized sewage sludge in the growth of Coffea Arabica seedlings and to verify the cytogenotoxic potential of these substrates using the analysis of Allium cepa cell cycle. The substrate with the lowest proportion of sewage sludge (15%) was the one that obtained the greatest growth performance and did not present cytogenotoxic activity. Substra

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Malczewska, Beata, Bartosz Jawecki, and Sławomir Woźniak. "Zalety i wady kompostowania osadów ściekowych w porównaniu z termicznym ich spalaniem – studium przypadku." Przegląd Naukowy Inżynieria i Kształtowanie Środowiska 26, no. 1 (2017): 125–35. http://dx.doi.org/10.22630/pniks.2017.26.1.11.

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New challenges for the territorial government in the field of urban sewage sludge oblige to limit it storage. Sewage sludge management is one of the most difficult environmental and economic problems. Therefore, it is important to choose the right technology for the sewage sludge disposal. The purpose of this article is an evaluation of applied disposal methods on sewage treatment sludge plant and comparison of this method (sewage sludge composting) with thermal transformation of sewage sludge. Study confi rms that, in the present case, the composting of sewage sludge is the most advantageous

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Lopes, Bruna C., Raíssa S. Figueiredo, Juliana C. Araújo, and Antonio T. Matos. "Bacterial community dynamics in tropical soil after sewage sludge amendment." Water Science and Technology 82, no. 12 (2020): 2937–47. http://dx.doi.org/10.2166/wst.2020.523.

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Abstract Although the widespread use of sewage sludge in developing countries is common, little is known about how sludge disposal can affect the microbial composition and diversity of tropical soils. We evaluated the effects of the sewage sludges of two types of anaerobic digestors differing, by the biological treatment they have undergone (uplow anaerobic sludge blanket and activated sludge digester), and two different disposal methods (surface and incorporated) on tropical soils. Samples were taken from topsoil (0–10 cm) and analyzed by amplifying the 16S rRNA genes to study the microbial c

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Netzer, Corinna, and Terese Løvås. "Chemical Model for Thermal Treatment of Sewage Sludge." ChemEngineering 6, no. 1 (2022): 16. http://dx.doi.org/10.3390/chemengineering6010016.

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Sewage sludge is here studied as a valuable source for processing or energy conversation thanks to its high nutrition and energy content. However, various origins of the wastewater, different water cleaning technologies, and seasonal and regional dependencies lead to the high variability of the sewage sludge properties. In thermal treatment units, that is, incineration, gasification and pyrolysis, sewage sludge serves as feedstock or fuel, hence a proper characterization and a mathematical description of the sewage sludge are required to estimate product streams and to formulate numerical simu

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Yasuda, Yasuhiro. "Sewage Sludge Utilization Technology in Tokyo." Water Science and Technology 23, no. 10-12 (1991): 1743–52. http://dx.doi.org/10.2166/wst.1991.0629.

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With increasing sewage sludge produced in Tokyo, it has become difficult to acquire land for sewage sludge disposal. To solve this problem, efforts have been made to develop sewage sludge utilization technologies. Five technologies have already been developed; conversion of sewage sludge to compost, conversion of sewage sludge to fuel, producing artificial lightweight aggregate from ashes, press burning of incineration ashes, and conversion of sewage sludge to melted slag. The present paper describes these utilization technologies.

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Pereira, Alex Borges, Antonio José Vinha Zanuncio, Amélia Guimarães Carvalho, et al. "Sustainable Solid Biofuel Production: Transforming Sewage Sludge and Pinus sp. Sawdust into Resources for the Circular Economy." Sustainability 16, no. 11 (2024): 4554. http://dx.doi.org/10.3390/su16114554.

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The lack of adequate sanitation in Brazil overloads the health system and causes deaths. The utilization of sewage sludge hinders advancements in water treatment. This study aimed to assess the feasibility of producing briquettes by blending sewage sludge with Pinus sp. sawdust. The sewage sludge was sourced from a water treatment facility, while the Pinus sp. sawdust was obtained from a sawmill. Elemental analysis, proximate analysis, and calorific value were evaluated for both biomasses. Briquettes were manufactured using a hydraulic press, varying the proportion of sewage sludge from 0% to

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Zhu, Puli, Xiaoyun Li, Jing Feng, et al. "Short-Chain Fatty Acids Production from Anaerobic Fermentation of Sewage Sludge: The Effect of Higher Levels Polyaluminium Chloride." International Journal of Environmental Research and Public Health 19, no. 5 (2022): 2806. http://dx.doi.org/10.3390/ijerph19052806.

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With the annual increase in the sludge production in China’s sewage treatment plants, the problem of sewage sludge treatment and disposal is becoming more and more serious. Anaerobic fermentation can convert complex organic matter in sewage sludge into short-chain fatty acid, hydrogen, methane and other resources and is an effective method for sewage sludge treatment and disposal. At the same time, sewage sludge often contains flocculants, which will inevitably affect the effect of anaerobic fermentation. As a high-performance flocculant, polyaluminum chloride (PAC) is widely used in wastewate

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Seghezzo, L., C. M. Cuevas, A. P. Trupiano, et al. "Stability and activity of anaerobic sludge from UASB reactors treating sewage in subtropical regions." Water Science and Technology 54, no. 2 (2006): 223–29. http://dx.doi.org/10.2166/wst.2006.509.

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The production of small amounts of well-stabilized biological sludge is one of the main advantages of upflow anaerobic sludge bed (UASB) reactors over aerobic wastewater treatment systems. In this work, sludge produced in three pilot-scale UASB reactors used to treat sewage under subtropical conditions was assessed for both stability and specific methanogenic activity. Stability of primary sludge from settling tanks and digested sludge from conventional sludge digesters was also measured for comparison purposes. Kinetic parameters like the hydrolysis rate constant and the decay rate constant w

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Tatarus, Alina, Diana Puiu, Roxana Scutariu, Marius Simion, Marcela Antoaneta Niculescu, and Toma Galaon. "PCB congeners occurrence in sewage sludge from municipal wastewater treatment plants in Romania." SIMI 2019, SIMI 2019 (September 20, 2019): 310–17. http://dx.doi.org/10.21698/simi.2019.fp39.

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Sewage sludges originating from waste water treatment plants (WWTP) act as a sink for various contaminants including polychlorinated biphenyls (PCBs). The fate of organochlorine compounds in sewage sludge is shaped by their physical-chemical properties and by environmental conditions. The high persistence of polychlorobiphenyls (PCBs) in sewage sludge is given by an extremely reduced degradation rate which varies from months to years (the half-life of PCB 28 is 10.9 years, and PCB 52, 11.2 years). Due to their increased hydrophobicity, these carcinogenic compounds can be easily uptake by plant

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Przydatek, Grzegorz, and Aldona Katarzyna Wota. "Analysis of the comprehensive management of sewage sludge in Poland." Journal of Material Cycles and Waste Management 22, no. 1 (2019): 80–88. http://dx.doi.org/10.1007/s10163-019-00937-y.

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Abstract The methods of sewage sludge management in Poland have largely been determined by the legal requirements related to the Poland’s membership in the European Union. Since 1st January 2016, sewage sludge landfilling is prohibited. It must be emphasised that legal changes regarding wastewater management, along with the systematic increase in the volume of produced sludge, entail the necessity to change the existing method of sewage sludge management. This paper contains an analysis of solutions for management of sewage sludge produced in Poland over the period of 8 years. The goal of the

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Abbas, Ahmed Mahmoud, Sameh K. Abd-Elmabod, Soad M. El-Ashry, Wagdi Saber Soliman, Noha El-Tayeh, and Jesus M. Castillo. "Capability of the Invasive Tree Prosopis glandulosa Torr. to Remediate Soil Treated with Sewage Sludge." Sustainability 11, no. 9 (2019): 2711. http://dx.doi.org/10.3390/su11092711.

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Sewage sludge improves agricultural soil and plant growth, but there are hazards associated with its use, including high metal(loid) contents. An experimental study was conducted under greenhouse conditions to examine the effects of sewage sludge on growth of the invasive tree Prosopis glandulosa, as well as to determine its phytoremediation capacity. Plants were established and grown for seven months along a gradient of sewage sludge content. Plant traits, soil properties, and plant and soil concentrations of N, P, K, Cd, Pb, Cu, Ni, Zn, Cr, Co, As, and Fe were recorded. The addition of sewag

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Evers, P., F. Schmitt, D. R. Albrecht, and N. Jardin. "The Ruhrverband sewage sludge disposal concept in the conflict between European and German standards and regulations." Water Science and Technology 52, no. 10-11 (2005): 247–53. http://dx.doi.org/10.2166/wst.2005.0700.

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The Ruhrverband, acting as a water association responsible for integrated water resources management within the entire natural river basin of the Ruhr, operates a network of 83 wastewater treatment plants (WWTPs) and connected sludge disposal facilities. According to German regulations, the disposal of sewage sludge containing more than 5% of organic dry solids will be prohibited as of 1 June 2005. In Germany, the only future alternative to incineration will be the agricultural utilization of sludge. However, this way of sludge disposal is presently the subject of critical discussions in Germa

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Hawrylik, Eliza, and Andrzej Butarewicz. "Toxicity assessment of sewage sludge from municipal sewage treatment plants." Ekonomia i Środowisko - Economics and Environment 82, no. 3 (2022): 257–68. http://dx.doi.org/10.34659/eis.2022.82.3.491.

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The aim of this study was to assess the toxicity of sewage sludge from the municipal sewage treatment plant in Bialystok. Raw sewage, sewage sludge from the primary settling tank, activated sludge, sludge before the fermentation chamber, recirculated sludge and sewage sludge after fermentation and dehydration on press were tested. The Microtox Model 500 kit using Aliivibrio fischeri luminescent bacteria was used for the toxicity analyzes. The EC50 index (indicating the concentration of toxic substances resulting in a 50% reduction in the intensity of luminescence of the bacterial strains used)

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Abu-Kaddourah, Z., A. Idris, M. J. Noor, and F. R. Ahmadun. "Effects of high temperature melting on the porosity and microstructure of slags from domestic sewage sludge." Water Science and Technology 41, no. 8 (2000): 99–105. http://dx.doi.org/10.2166/wst.2000.0148.

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Sewage treatment plant sludges continue to pose great problems in terms of volume, odour and method of disposal. Thermal treatment of sewage sludge is considered as an attractive method in reducing sludge volume, which at the same time produces reusable by-products. Studies on high temperature melting of sewage sludge, above 1200°C, show promising results where by stable and inert by-products are produced. This paper presents a part of a big project on thermal treatment of sewage sludge, carried out in University of Putra Malaysia, this part highlights the changes in the microstructure of dome

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Dai, Liang, Biao Lin Peng, Bi Gui Wei, and Gui Ma. "Effects of Land Application of Municipal Sewage Sludge on Growth, Physiology and Accumulation of Heavy Metals in Wheat (Triticum aestivum L.)." Advanced Materials Research 878 (January 2014): 647–56. http://dx.doi.org/10.4028/www.scientific.net/amr.878.647.

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The application of sewage sludge on agricultural soils is a promising technical solution. Pot experiments were performed to study the effect of sewage sludge application on growth, physiology and accumulation of heavy metals in three kinds of wheat. The experimental results showed soil pH decreased significantly with the increase of the application of sewage sludge. The contents of Cu, Zn and Pb in the mixed soil did not exceed the Environmental quality standards for soils in China for Grade II (GB-1518-1995).Wheat obtained good growth activities after the application of sewage sludge, however

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Kodom, Piyabalo, Antonio J. Aragón-Barroso, Edem K. Koledzi, Kwamivi Segbeaya, Jesús González-López, and Francisco Osorio. "Microwave Treatment of Three Different Types of Sewage Sludge Based on Their Solar Drying Exposure Time: Effect on Microorganisms, Water Content and Agronomic Aspects." Water 16, no. 2 (2024): 321. http://dx.doi.org/10.3390/w16020321.

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This study aimed to treat sewage sludge through microwave irradiation at a laboratory scale. The objective was to investigate the effect of microwave irradiation on microorganisms, water content, organic matter, and agronomic nutrients present in sewage sludge. Three types of sewage sludges obtained from a full-scale wastewater treatment plant were considered: Sludge A (raw sludge), Sludge B (subjected to 15 days of solar exposure, achieving 48% dryness), and Sludge C (exposed to solar conditions and left open to the air for 23 months, reaching 94% dryness). These diverse sludges were exposed

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Kumar, V. Chopra A.K. and Kumar A. "A review on sewage sludge (Biosolids) a resource for sustainable agriculture." Archives of Agriculture and Environmental Science 2, no. 4 (2017): 340–47. https://doi.org/10.26832/24566632.2017.020417.

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Sewage sludge (Biosolids) generation is fastly increasing resulting from the regular increase of population, urban planning and industrial developments worldwide. The sludge needs to be adequately treated and environmentally managed to reduce the negative impacts of its application or disposal. The present review deals with the different applications of sewage sludge for sustainable agriculture. The scattered literature is harnessed to critically review the uses of biosolids to promote sustainable practices focusing on the productive uses of sewage sludge or biosolids. Biosolids or sewage slud

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Hsiao, P. C., and S. L. Lo. "Extractability and fractionation of heavy metals in chemically treated sewage sludges." Water Science and Technology 44, no. 10 (2001): 91–94. http://dx.doi.org/10.2166/wst.2001.0590.

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Four chemically treated sludges, lime-treated (LS), lime/sodium silicate-treated (LSS), cement-treated (CS), and cement/sodium silicate-treated (CSS) were produced form the chemical treatment of aerobic digested sewage sludge cake, using lime, cement, and sodium silicate as additives. Ex tractability and fractionation of the heavy metals (Cu, Pb, Cr, and Zn) in these products and untreated sludge (S) were investigated using sequential extraction, single extraction, and 13C cross-polarization magic angle spinning nuclear magnetic resonance analysis (13C-NMR). These approaches revealed that chem

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Gamache, M., J. F. Blais, R. D. Tyagi, and N. Meunier. "Microflore hétérotrophe impliquée dans le procédé simultané de biolixiviation des métaux et de digestion des boues d'épuration." Canadian Journal of Civil Engineering 28, no. 1 (2001): 158–74. http://dx.doi.org/10.1139/l00-110.

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Until now, some microbiological studies have made it possible to highlight the role and identification of certain chimiolithotroph microorganisms directly involved in the simultaneous sewage sludge digestion and metal leaching (SSDML process). Moreover, some other studies have established the performance of the SSDML process for the destruction of pathogens. However, until now no study has been carried out to define the equilibrium of the heterotrophic microbial populations during the sludge acidification occurring during the operation of the SSDML process. Hence, the SSDML process was studied

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Khan, S. J., and J. E. Ongerth. "Estimation of pharmaceutical residues in primary and secondary sewage sludge based on quantities of use and fugacity modelling." Water Science and Technology 46, no. 3 (2002): 105–13. http://dx.doi.org/10.2166/wst.2002.0065.

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A general procedure was developed for estimating the concentrations of pharmaceutical residues in fresh primary and secondary sewage sludge. Prescribed quantities coupled with information on the various excretion ratios of 20 pharmaceuticals and 2 of their metabolites enabled prediction of the overall rates of excretion into Australian sewage. Fugacity modelling was applied to predict concentrations of these residues in fresh primary and secondary sludge. Predicted concentrations ranged from 10−3 - 884 μg/L in primary sludge and 10-4 - 36 μg/L in secondary sludge. Overall rates of removal to s

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Tsybina, Anna, Christoph Wünsch, Irina Glushankova, and Anna Arduanova. "Development and Substantiation of Approaches to the Management of Sewage Sludge of Different Storage Periods." Energies 16, no. 15 (2023): 5698. http://dx.doi.org/10.3390/en16155698.

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A widespread method of sewage sludge disposal is still simple storage in sludge lagoons. Subsequent thermal utilization is hardly possible because sludge properties change over time and energy content is reduced. Use as a soil conditioner in agriculture or landscaping is usually not possible due to high heavy metal contents. This paper describes a method in which a 10-year-old accumulated sewage sludge can be utilized as technical soil by mixing it with pyrolized fresh sewage sludge. For this purpose, physicochemical and toxicological characteristics of sewage sludge of different storage perio

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