Results 121 to 130 of about 46,811 (265)

Oxidative Damage, Energy Imbalance, and Behavioral Disruptions in Girardia tigrina Exposed to Treated Sewage Effluents

Environmental Toxicology, EarlyView.
ABSTRACT This study assessed the ecotoxicological effects of treated sewage on the freshwater planarian Girardia tigrina, integrating biochemical, energetic, and behavioral biomarkers. Planarians were exposed for 48 h to different concentrations of treated sewage (12.5%, 25%, 50%, and 100%) and compared to controls using commercial water and water from
Renata M. P. Freitas, Pedro H. Carvalho, Daniela de Melo e Silva, Carlos Gravato   +3 more
wiley   +1 more source

Fecal Steroids as Tracers of Human Population and Waste Management Practices at the Ancient Maya City of Ucanal, Guatemala

Archaeometry, EarlyView.
ABSTRACT Geochemical data compiled from dried sediments from three water reservoirs at the ancient Maya city of Ucanal, Petén, Guatemala, reveal low to undetectable fecal biomarker concentrations. These low concentrations may be the result of the aerobic decay of sterols combined with well‐managed waste disposal practices.
Jean D. Tremblay, Peter M. J. Douglas, Christina T. Halperin, Yves Gélinas   +3 more
wiley   +1 more source

Removal of steroid estrogens in carbonaceous and nitrifying activated sludge processes [PDF]

, 2010
This is the post-print version of the final paper published in Chemosphere. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other
Chiu, TY, Yoong K.K. Koh, Scrimshaw, MD, Lester, JN, John N. Lester, Tze Y. Chiu, Mark D. Scrimshaw, John P. Bagnall, Cartmell, E, Ewan J. McAdam, Pollard, S, Simon Pollard, Bagnall, JP, McAdam, EJ, Elise Cartmell, Koh, YKK   +15 more
core   +1 more source

Characterization of sewage sludge generated in Rio de Janeiro, Brazil, and perspectives for agricultural recycling

Semina: Ciências Agrárias, 2017
Sanitary sewage collection and treatment is a serious environmental problem in Brazilian cities, as well as the destination of solid waste resulting from this process, i.e.
Alan Henrique Marques de Abreu, Paulo Sérgio dos Santos Leles, Jorge Makhlouta Alonso, Elton Luis da Silva Abel, Ricardo Rodrigues de Oliveira   +4 more
doaj   +1 more source

Clogmia albipunctata Larvae Influence the Odour Dynamics of Rotting Organic Matter

Entomologia Experimentalis et Applicata, EarlyView.
Drain flies live in organic waste. We investigated how drain fly larvae influence the unpleasant smells produced by sewage sludge and rotting nettle. Although the perception of these smells did not change significantly according to the public, chemical analyses showed that sewage sludge with drain fly larvae yielded a different composition of odors ...
Niels J. E. van Hof, Luuk Torn, Jan J. Wieringa, Aglaia M. Bouma   +3 more
wiley   +1 more source

Eusocial bee species are exposed to different toxic element profiles despite foraging within the same landscape

Ecological Entomology, EarlyView.
Bombus terrestris and Apis mellifera colonies sharing the same landscape (<50 m from each other) collected pollen with significantly different heavy metal concentrations. B. terrestris‐collected pollen contained 2–7× higher concentrations of arsenic, chromium, cobalt, lead and tin than A. mellifera‐collected pollen.
Sarah B. Scott, Nynke Blömer, Lynn V. Dicks   +2 more
wiley   +1 more source

Paddy straw–sewage sludge co-composting: a microbial solution for sustainable waste use

Academia Environmental Sciences and Sustainability
This study investigated the co-composting of paddy straw and sewage sludge under pit house conditions over two consecutive years (2018–19 and 2019–20) to assess the quality of the resulting compost.
Jagdish Parshad, Baljeet Singh Saharan, Monika Kayasth, Ajay Kumar, Rohtas Kumar   +4 more
doaj   +1 more source

THE ACTIVATED-SLUDGE METHOD OF SEWAGE PURIFICATION: AERATION OF SEWAGE IN THE PRESENCE OF ACTIVATED SLUDGE [PDF]

Journal of Industrial & Engineering Chemistry, 1916
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openaire   +1 more source

Moderate‐Temperature Hydrothermal Treatment Removes Detectable DNA and Antibiotic Resistance Genes From Municipal Sludge While Preserving Resource Value

Water and Environment Journal, EarlyView.
This graphical abstract shows the overall study design where dewatered wastewater sludge samples were collected and subjected to a range of HT temperatures. Measurement of nucleic acid concentration and antibiotic resistance gene profiles across temperatures showed that HT at moderate temperatures offers sustainable, scalable sludge sanitation and ARG ...
R. Sean Norman, Mirza Isanovic, Gabrielle Kartzmark, Nicole Berge   +3 more
wiley   +1 more source

Chemical and biological phosphorus removal in the activated sludge process

, 1980
Bibliography: leaves 86-88.This investigation set out to establish in what degree the phosphorus removal characteristics of the Modified Activated Sludge Process could be enhanced by the in-plant addition of iron salts.
Rabinowitz, Barry
core