Results 21 to 30 of about 579,701 (308)

Advanced catalytic oxidation coupled to biological systems to treat pesticide-contaminated water: A review on technological trends and future challenges

open access: yesWater Science and Technology, 2022
This article had the one and only objective of consolidating the couplings of advanced oxidation processes and biological systems in the decontamination of wastewater with pesticide content reported in the Scopus and Web of Science databases, through a ...
Joseph Soto-Verjel   +2 more
doaj   +1 more source

Performance of Copper as a Catalyst for Fenton-like Processes in Highly Saline Solutions

open access: yesMolecules
The catalytic performance of copper in Fenton-like processes was investigated under conditions of elevated chloride concentrations. Model solutions were prepared containing four target pollutants (50 mg/L each), Cu (II) at 50 mg/L, and a stoichiometric ...
Xavier Orts   +4 more
doaj   +1 more source

Processos avançados de oxidação de compostos fenólicos em efluentes industriais Advanced Oxidation Process of phenolic compounds in industrial wasterwater

open access: yesQuímica Nova, 2008
In an effort to minimize the impact on the environment, removal of pollutants, such as phenolic compounds, from the industrial wastewater has great importance nowadays because of the high toxicity and low biodegradability of these compounds.
Jaildes Marques Britto   +1 more
doaj   +1 more source

Advanced burner-rig test for oxidation-corrosion resistance evaluation of MCrAlY/superalloys systems [PDF]

open access: yes, 2006
Protective coatings are used on gas turbine components to enable them to survive in engine-operating conditions. This study presents a recently developed cyclic burner-rig test that is used to simulate helicopter engine conditions and to assess the ...
Andrieu, Eric   +3 more
core   +3 more sources

Norfloxacin removal by ultraviolet-activated sodium percarbonate and sodium hypochlorite: process optimization and anion effect

open access: yesWater Science and Technology, 2023
The efficiency of UV-activated sodium percarbonate (SPC) and sodium hypochlorite (SHC) in Norfloxacin (Norf) removal from an aqueous solution was assessed.
Senem Yazici Guvenc   +4 more
doaj   +1 more source

The chemistry of ultrasonic degradation of organic compounds [PDF]

open access: yes, 2011
The destruction of toxic organic molecules using advanced oxidation processes (AOPs) is a potent tool for pollution control and environmental protection.
Bremner, David H.   +2 more
core   +3 more sources

Efficient Degradation of Acesulfame by Ozone/Peroxymonosulfate Advanced Oxidation Process

open access: yesMolecules, 2019
Artificial sweeteners (ASWs), a class of emerging contaminants with good water solubility, have attracted much attention recently because of their wide use and negative impact on the aquatic environment and drinking water.
Yu Shao   +3 more
doaj   +1 more source

Advanced Fenton processing of aqueous phenol solutions:a continuous system study including sonication effects [PDF]

open access: yes, 2008
Our previous report based on a batch reactor system for the Advanced Fenton Process (AFP) showed that pH, hydrogen peroxide and the organic substances treated are among the most important factors affecting the oxidation efficiency.
Bremner, D. H.   +3 more
core   +3 more sources

A Review of Treatment Techniques for Short-Chain Perfluoroalkyl Substances

open access: yesApplied Sciences, 2022
In recent years, an increasing amount of short-chain perfluoroalkyl substance (PFAS) alternatives has been used in industrial and commercial products. However, short-chain PFASs remain persistent, potentially toxic, and extremely mobile, posing potential
Yang Liu   +7 more
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

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