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Ewa Stanczyk-Mazanek, Longina Stepniak and Urszula Kepa
In this paper, we discuss the effect sewage sludge (SS) application has on the contamination of polycyclic aromatic hydrocarbons in fertilized soils and groundwater. Morver, the contents of these compounds in plant biomass was analyzed. For six months, c...
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Tommy Ender, Vicky Shettigondahalli Ekanthalu, Haniyeh Jalalipour, Jan Sprafke and Michael Nelles
Hydrothermal carbonization (HTC) has developed considerably over the last 15 years and offers a viable alternative for the utilization of municipal and industrial organic waste such as sewage sludge. However, the technology has yet to establish itself as...
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Yifeng Yang, Jingshuai Luan, Jing Nie, Xin Zhang, Jiong Du, Gang Zhao, Lei Dong, Yong Fan, He Cui and Yubo Li
In the past, due to improper sludge treatment technology and the absence of treatment standards, some municipal sludge was simply dewatered and then sent to landfills, occupying a significant amount of land and posing a serious threat of secondary pollut...
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Anita Zapalowska, Andrzej Skwiercz, Czeslaw Puchalski and Tadeusz Malewski
Vermicomposting stands as a sustainable and environmentally friendly waste management practice, leveraging the metabolic prowess of earthworms to facilitate the decomposition of organic matter into nutrient-rich compost. The aim of this experiment was to...
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Jianguang Wang, Zhirong Sun and Jun Li
Excess sludge fermentation is a commonly employed method for carbon sources in wastewater treatment plants, but its use as a carbon source for chlorophenol removal has been relatively underexplored. In this study, a laboratory-scale sludge fermentation S...
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Shangye Chu, Xu Zeng, Hai Lin and Yuting Zhu
The performance of catalytic wet oxidation of excess activated sludge derived from pharmaceutical wastewater treatment over a Cu/?-Al2O3 catalyst was investigated. The experiments were performed with a stainless steel autoclave reactor by using the prepa...
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Giuseppe Campo, Barbara Ruffino, Arturo Reyes and Mariachiara Zanetti
The region of Antofagasta is the mining hearth of Chile. The water requirement of the local mining sector is 65% of the total water uses, with a water consumption of approx. 9 m3/s in the year 2020. That determines an important pressure onto freshwater, ...
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Bowei Zhang, Changsheng Zhao, Ting Liu and Xiaokai Wang
As the problem of eutrophication of water bodies and nitrate pollution of surface and groundwater is becoming more and more prominent, deep denitrification of wastewater can effectively reduce the amount of nitrate nitrogen (NO3--N) discharged into natur...
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Fantasse Azeddine, Parra Angarita Sergio, Léonard Angélique, Lakhal El Khadir, Idlimam Ali and Bougayr El Houssayne
Drinking water treatment generates a high amount of pasty by-product known as drinking water treatment sludge (DWTS). The chemical composition, microstructure and rheological behavior of DWTS are of utmost importance in the calculation, design, optimizat...
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Ámbar Cerda, Macarena González, Carolina Rodríguez, Jennyfer Serrano and Eduardo Leiva
The excessive deposition of ammonium (reactive nitrogen) in the environment has led to losses of biodiversity and the eutrophication of ecosystems. Anthropogenic sources contribute twice the natural rate of terrestrial reactive nitrogen and provide about...
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