Results 21 to 30 of about 487,952 (342)

Pollutant emissions from modern incinerators [PDF]

open access: yes, 2002
Presently, emissions of dioxins are mainly from incinerators, domestic and industrial coal combustion, and traffic. However, the major public concern and research effort are associated with the emissions of organic micropollutants from waste ...
Bachmann, R., Lima, R.
core   +1 more source

Study on Energy Efficiency Characteristics of Wet Flue Gas Desulfurization Tower

open access: yes发电技术, 2020
Aiming at the lack of energy efficiency law of wet flue gas desulfurization, this paper takes the wet flue gas desulfurization tower of a 150 MW unit which has been in ultra low emission standard as the research object.
Yajuan LENG, Rui HU, Lin CUI, Yong DONG
doaj   +1 more source

Environmental Photochemistry of Amino Acids, Peptides and Proteins

open access: yesCHIMIA, 2014
Amino acids, peptides and proteins are central building blocks of life and of key importance in the biogeochemistry of aquatic ecosystems. In sunlit surface waters, amino acid-based molecules at different levels of structural organization are ...
Rachel A. Lundeen   +3 more
doaj   +1 more source

Green composite aerogel based on citrus peel/chitosan/bentonite for sustainable removal Cu(II) from water matrices

open access: yesScientific Reports, 2023
Here, we propose a green and sustainable 3D porous aerogel based on citrus peel (CP), chitosan (CS), and bentonite (BT). This aerogel is prepared through a simple sol–gel and freeze-drying process and is designed for efficient capture of Cu(II) ions from
Jing Nie   +6 more
doaj   +1 more source

Assurance of guaranteed atmosphere air quality for a point emission source [PDF]

open access: yes, 2019
Purpose. To solve the task of assessing the components of the guaranteed atmosphere air quality PMPj, PMP depending the maximum pollutant concentrations for a point source of emissions at the stage of designing in various industries (mining ...
Demydenko, A   +3 more
core   +1 more source

Sea‐Ice Induced Southern Ocean Subsurface Warming and Surface Cooling in a Warming Climate

open access: yesAGU Advances, 2020
Much of the Southern Ocean surface south of 55° S cooled and freshened between at least the early 1980s and the early 2010s. Many processes have been proposed to explain the unexpected cooling, including increased winds or freshwater fluxes.
F. Alexander Haumann   +2 more
doaj   +1 more source

Biogenic silver nanoparticles-modified forward osmosis membranes with mitigated internal concentration polarization and enhanced antibacterial properties

open access: yesnpj Clean Water, 2022
Thin-film composite forward osmosis (TFC-FO) membranes show the potential to be applied in water treatment applications. However, the TFC-FO membrane performance was limited by internal concentration polarization (ICP) and membrane fouling. In this study,
Xing Wu   +4 more
doaj   +1 more source

Water-soluble and Water-dispersible Polymers Used in Commercial Agricultural Formulations: Inventory of Polymers and Perspective on their Environmental Fate

open access: yesCHIMIA, 2023
Agricultural formulations contain water-soluble and water-dispersible polymers (WSPs and WDPs) to increase the application efficiency of the active ingredients (e.g. pesticides and fertilizers).
Kevin Kleemann, Michael Sander
doaj   +1 more source

Spectral pollution

open access: yesIMA Journal of Numerical Analysis, 2004
We discuss the problems arising when computing eigenvalues of self-adjoint operators which lie in a gap between two parts of the essential spectrum. Spectral pollution, i.e. the apparent existence of eigenvalues in numerical computations, when no such eigenvalues actually exist, is commonplace in problems arising in applied mathematics.
Davies, E B, Plum, M
openaire   +3 more sources

Spatial and temporal pattern of benthic macroinvertebrate assemblages in two large Chinese freshwater lakes subjected to different degrees of eutrophication

open access: yesJournal of Freshwater Ecology, 2023
Freshwater lakes are subjected to increasing eutrophication and algal blooms worldwide, which have dramatically impacted the aquatic biodiversity. This situation is especially true in the Yangtze River Floodplain, China. However, few researches have been
Lei Ji   +11 more
doaj   +1 more source

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