Results 31 to 40 of about 214,794 (176)
Hydraulic characteristics of the airlift pump [PDF]
Acta Scientiarum Polonorum. Formatio Circumiectus, 2018 Airlift pumps are the simplest devices used for lifting and transporting of liquid in water and wastewater systems. They constitute the subject of interest in numerous studies, focusing on their two-phase flow.
Sebastian Kujawiak +2 more
doaj +1 more source
Atmosphere, 2022 In this study, the ambient concentrations of volatile organic compounds (VOCs) were intensively measured from January 2012 to December 2016 using an evacuated canister and were analyzed using a gas chromatography/mass spectrophotometer (GC/MS) based on ...
Nattaporn Pinthong +3 more
doaj +1 more source
Urban Evolution: The Role of Water [PDF]
, 2015 The structure, function, and services of urban ecosystems evolve over time scales from seconds to centuries as Earth’s population grows, infrastructure ages, and sociopolitical values alter them.
Belt, Kenneth T. +6 more
core +3 more sources
Fecal contamination of drinking-water in low- and middle-income countries: a systematic review and meta-analysis [PDF]
, 2014 Background: access to safe drinking-water is a fundamental requirement for good health and is also a human right. Global access to safe drinking-water is monitored by WHO and UNICEF using as an indicator “use of an improved source,” which does not ...
Bain, R. +5 more
core +4 more sources
Adsorption Science & Technology, 2022 The removal of phenolic compounds from aqueous solutions using novel adsorption techniques becomes a key research item. Of those, nanoparticles in particular, the low-cost and the high-strength aluminum oxide nanoparticles showed promising results in ...
Safwat M. Safwat +3 more
doaj +1 more source
Recovery of Ammonium Sulfate Solution by Regeneration of Loaded Clinoptilolite
Nanomaterials, 2022 The zeolite clinoptilolite (CLI) is known to be a very good ion exchanger, as it consists of a three-dimensional structure formed of AlO4− and SiO4 tetrahedral, which are connected by a common oxygen atom.
Stephan Wasielewski +3 more
doaj +1 more source
The effects of modification for contact stabilization activated sludge on EBPR
HBRC Journal, 2015 Excessive phosphorus can cause eutrophication in water bodies and needs to be reduced in most wastewaters before being discharged into receiving waters.
Hamdy I. Ali +4 more
doaj +1 more source
Water infrastructure and social housing in Bogotá: an intersection between modern water management and social housing production [PDF]
, 2016 En la actualidad Bogotá afronta la presión de construir viviendas sociales en ecosistemas frágiles, áreas rurales o zonas propensas a las inundaciones, y al mismo tiempo proteger estas áreas para asegurar la capacidad de resiliencia del medio ambiente.
Rojas Bernal, Claudia Lucia
core +1 more source
Sustainable Environment Research, 2023 Particulate Chemical Oxygen Demand (COD) removal is one of the first and foremost steps in a wastewater treatment plant (WWTP). It is a highly essential step that supports subsequent biological steps to achieve discharge limits.
Behnam Askari Lasaki +2 more
doaj +1 more source