نتایج جستجو برای: urban treated wastewater

تعداد نتایج: 659455  

2010
Guangtao Fu Christos Makropoulos David Butler

Guangtao Fu (corresponding author) David Butler Centre for Water Systems, School of Engineering, Computing and Mathematics, University of Exeter, North Park Road, Harrison Building, Exeter EX4 4QF, UK Tel.:+44 1392 264075; Fax:+44 1392 217965; E-mail: [email protected] Christos Makropoulos Department of Water Resources and Environmental Engineering, School of Civil Engineering, National Technic...

Journal: :environmental health engineering and management 0
naser samadi cellular and mulecular research center, faculty of medicine, urmia university of medical sciences, urmia, iran rahim aali department of environmental health engineering, faculty of nursing and health, urmia university of medical sciences, urmia, iran esrafil asgari department of environmental health engineering, faculty of nursing and health, urmia university of medical sciences, urmia, iran hamed mirhosaeini medical microobiology, department of environmental health engineering, faculty of health, arak university of medical sciences, arak, iran ali shahriari department of environmental health engineering, environmental health research center, golestan university of medical sciences, gorgan, iran farhad mahmoodi department of environmental engineering, ahvaz branch, islamic azad university, ahvaz, iran

background: aminoglycoside antibiotics are widely used in medical centers, particularly to treat infections. the resistance developed against these agents is a huge concern in health care. a number of researchers have reported that hospital and municipal wastewaters are among the most important dissemination sources of these agent into the environment. some, however, do not agree with this opin...

2017
Charmaine Ng Martin Tay Boonfei Tan Thai-Hoang Le Laurence Haller Hongjie Chen Tse H. Koh Timothy M. S. Barkham Karina Y.-H. Gin

The dissemination of antimicrobial resistance (AMR) is an escalating problem and a threat to public health. Comparative metagenomics was used to investigate the occurrence of antibiotic resistant genes (ARGs) in wastewater and urban surface water environments in Singapore. Hospital and municipal wastewater (n = 6) were found to have higher diversity and average abundance of ARGs (303 ARG subtyp...

Journal: :Experimental parasitology 2015
P Gyawali W Ahmed P Jagals J P S Sidhu S Toze

Hookworm infection contributes around 700 million infections worldwide especially in developing nations due to increased use of wastewater for crop production. The effective recovery of hookworm ova from wastewater matrices is difficult due to their low concentrations and heterogeneous distribution. In this study, we compared the recovery rates of (i) four rapid hookworm ova concentration metho...

Journal: :Linnaeus Eco-Tech 2017

Journal: :Environmental science & technology 2014
Xiaoqin Wu Jeremy L Conkle Frederick Ernst Jay Gan

Global water shortage is placing an unprecedented pressure on water supplies. Treated wastewater is a valuable water resource, but its reuse for agricultural irrigation faces a roadblock: the public concern over the potential accumulation of contaminants of emerging concern (CECs) into human diet. In the present study, we measured the levels of 19 commonly occurring pharmaceutical and personal ...

2000
Diederik Rousseau Frederik Verdonck Ronald Carrette Chris Thoeye Jurgen Meirlaen Peter A. Vanrolleghem

In 1990, the private company Aquafin was founded and assigned with the task of the design, construction, operation and financing of the necessary infrastructure for sewage treatment. One of the challenges Aquafin is facing now is to upgrade the patrimonium of old municipal wastewater treatment plants (WWTPs). These plants need to be retrofitted towards strict phosphorus and nitrogen removal con...

Journal: :Tobacco control 2015
Sara Castiglioni Ivan Senta Andrea Borsotti Enrico Davoli Ettore Zuccato

OBJECTIVE We propose a novel approach for measuring tobacco use in a community through the chemical analysis of nicotine metabolites in urban wastewater. It offers frequent monitoring and 'real-time', 'evidence-based' estimates of tobacco consumption which may complement epidemiological surveillance systems normally repeated only every few years. METHODS Two urinary metabolites of nicotine, n...

2015
Abhilasha Singh Mathuriya

Toxic chemical nature of tannery wastewater makes it difficult to be treated by routine biological treatment processes. Microbes, already present in tannery wastewater can adapt to these conditions and degrade the organics in tannery wastewater. In the present contribution, three bacterial electrogenic strains, tolerant to tannery environment, were isolated from soil contaminated with tannery w...

Journal: :Water research 2011
Baiyang Chen Youngil Kim Paul Westerhoff

Dissolved organic nitrogen (DON) derived from wastewater effluent can participate in reactions that lead to formation of nitrogenous chlorination by-products, membrane fouling, eutrophication, and nitrification issues, so management of DON is important for both wastewater reuse applications and nutrient-sensitive watersheds that receive discharges from treated wastewater. This study documents D...

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