Results 31 to 40 of about 471,955 (343)

A large-scale wastewater treatment plant operation experience and process control analysis in Zhengzhou

Gongye shui chuli
Stable operation of wastewater plants under overload has been a hot spot of concern for researchers，and efficient nitrogen and phosphorus removal is a difficult point in the process of stable operation.
WANG Ronghong, FAN Xiaolong, MAO Di, YI Haiming, WANG Ning, MA Yuanyuan, ZHANG Dewei   +6 more
doaj   +1 more source

A 2006 Survey of Drinking Water Microbial Quality in Rural Areas in IRAN (Limitations, Challenges, and Opportunities) [PDF]

آب و فاضلاب, 2008
In the first quarter of the year 2007, the number of rural laboratories had grown from 90 units in the year 2003 to 166 units, showing a 87.93% growth while the quality parameters in the years 2004 and 2006 increased from 90.13 to 91.43% for residual ...
Majid Ghannadi, Mohammad Reza Mohebbi
doaj  

Effect of the presence of Actinomycetes in the activated sludge on the quality of the treated wastewater

E3S Web of Conferences, 2017
The aim of the study was to determine the effect of the Actinomycetes proliferation in the activated sludge on the quality of the treated wastewater and the sewage receiver. The river which is the sewage receiver flows near the wastewater treatment plant.
Bezak-Mazur Elżbieta, Stoińska Renata, Rajca Jolanta, Łatasiewicz Beata   +3 more
doaj   +1 more source

Challenges in realising the potential of wastewater-based epidemiology to quantitatively monitor and predict the spread of disease

Journal of Water and Health, 2022
Researchers around the world have demonstrated correlations between measurements of SARS-CoV-2 RNA in wastewater (WW) and case rates of COVID-19 derived from direct testing of individuals. This has raised concerns that wastewater-based epidemiology (WBE)
Julian Faraway, James Boxall-Clasby, Edward J. Feil, Marjorie J. Gibbon, Oliver Hatfield, Barbara Kasprzyk-Hordern, Theresa Smith   +6 more
doaj   +1 more source

Sustainable risk management of emerging contaminants in municipal wastewaters [PDF]

, 2009
This article is available open access through the publisher’s website at the link below. Copyright @ 2009 The Royal Society.The presence of emerging contaminants in municipal wastewaters, particularly endocrine-disrupting compounds such as oestrogenic ...
Bennett E. R., Birkett J. W., de Voogt P., Ebinghaus R., European Environment Agency, Groombridge B., Hollert H., International Programme on Chemical Safety., Laturnus F., Petrovic M., Risks and Policy Analysts Ltd., Sheahan D. A.   +11 more
core   +1 more source

UTILISATION OF SEWAGE. [PDF]

The Lancet, 1870
n ...
openaire   +2 more sources

Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography / mass spectrometry [PDF]

, 2005
An analytical method for the simultaneous determination of nine free and conjugated steroid estrogens was developed with application to environmental aqueous matrices.
Bean KA, Belfroid AC, Berg FD, Bowers LD, Bowers Sanaullah LD, Choi BK, Croley TR, Desbrow C, Diaz-Cruz MS, Dray J, D’Ascenzo G, Fotsis T, Fotsis T, Gangl ET, Gentilli A, Gomes RL, Gomes RL, Gomes RL, Hogenboom AC, Huang C-H, Huang C-H, Isobe T, Ito S, Jason W. Birkett, John N. Lester, Kanda R, King R, Kuch HM, Liang HR, Mallet CR, Mark D. Scrimshaw, Mouatassim–Souali A, Rachel L. Gomes, Ranney RE, Rodgers–Gray TP, Snyder SA, Steen R, Steimer T, Tabak HH, Tang PW, Ternes TA, Ternes TA, Thomas KV, Zhang H   +43 more
core   +1 more source

Nitrogen isotopes of Eichhornia crassipes (water hyacinth) confirm sewage as leading source of pollution in Hartbeespoort Reservoir, South Africa

South African Journal of Science, 2022
Nitrogen (N) isotopes of aquatic organisms offer a way of differentiating sources of dissolved nitrate species in water. Water quality in the Hartbeespoort Reservoir has been a problem for many decades, causing excessive growth of algae and water ...
Ryno Germishuys, Roger Diamond
doaj   +1 more source

Standards for the Dimensioning and Assessment of Reliable Operations of Area Drainage Systems under Conditions of Climate Change

Technical Transactions, 2018
Contemporary area drainage dimensioning standards are presented in this paper. Hazards for drainage systems arising from climate changes are discussed and trends of changes in the precipitation structure are presented using the example of data obtained ...
Kotowski Andrzej, Nowakowska Monika
doaj   +1 more source

Theoretical basis of administrative development aligned with upstream documents in Iran [PDF]

فرایند مدیریت و توسعه, 2022
Purpose: The present research, intends to formulate and propose a theoretical basis of administrative development for the Seventh Development Plan, along with the upstream documents.
Ramin Rahnavard
doaj