Results 21 to 30 of about 186 (97)

Evaluating the Removal of the Antibiotic Cephalexin from Aqueous Solutions Using an Adsorbent Obtained from Palm Oil Fiber [PDF]

open access: yesMolecules, 2021
This study aimed to understand the adsorption process of cephalexin (CPX) from aqueous solution by a biochar produced from the fiber residue of palm oil.
Nancy Acelas   +3 more
doaj   +2 more sources

Methods for degrading dicloxacillin in water using inorganic peroxides and their combination with UVC- experimental and theoretical aspects [PDF]

open access: yesMethodsX
Antibiotics are currently recognized as environmental pollutants. In this work, the methods involved in the degradation of a β-lactam antibiotic (i.e., DXC) by treatments based on inorganic peroxides and UVC (e.g., UVC alone, UV-C/H2O2, UVC ...
Fidel Granda-Ramírez   +4 more
doaj   +2 more sources

Contrasting Sonodegradation and Anodic Oxidation of Sulfonamides in Water: Degradation Routes, Matrix Effects, and Theoretical Study [PDF]

open access: yesMolecules
Mid-high-frequency ultrasound (375 kHz) and anodic oxidation at low current intensity (
Efraím A. Serna-Galvis   +1 more
doaj   +2 more sources

Dataset on application of electrochemical and photochemical processes for sulfacetamide antibiotic elimination in water [PDF]

open access: yesData in Brief, 2020
Sulfonamide-class antibiotics are recognized as water pollutants, which have negative environmental impacts. A strategy to deal with sulfonamides is throughout the application of oxidation processes. This work presents the treatment of the sulfacetamide (
Gina Hincapié-Mejía   +4 more
doaj   +2 more sources

Interconversion and Removal of Inorganic Nitrogen Compounds via UV Irradiation

open access: yesChemEngineering, 2023
Dissolved inorganic nitrogen (DIN) species are key components of the nitrogen cycle and are the main nitrogen pollutants in groundwater. This study investigated the interconversion and removal of the principal DIN compounds (NO3−, NO2− and NH4+) via UV ...
Alejandro M. Senn, Natalia Quici
doaj   +1 more source

2,5-Dimethylfuran Production by Catalytic Hydrogenation of 5-Hydroxymethylfurfural Using Ni Supported on Al2O3-TiO2-ZrO2 Prepared by Sol-Gel Method: The Effect of Hydrogen Donors

open access: yesMolecules, 2022
5-Hydroxymethylfurfural (5-HMF) has been described as one of the 12 key platform molecules derived from biomass by the US Department of Energy, and its hydrogenation reaction produces versatile liquid biofuels such as 2,5-dimethylfuran (2,5-DMF ...
Jorge Cortez-Elizalde   +13 more
doaj   +1 more source

Más allá del cumplimiento: la justicia como un objetivo de la fiscalización y sanción ambiental

open access: yesRevista Derecho del Estado, 2023
A través del análisis de un instrumento del derecho sancionatorio ambiental de Estados Unidos, los Supplemental Environmental Projects(SEP), se plantea que la incorporación de reglas y criterios de justicia ambiental en el diseño regulatorio de las ...
Dominique Hervé Espejo
doaj   +1 more source

New glass frogs distribution data (Amphibia: Centrolenidae) in eastern Ecuador, with comments on the diversity in the region

open access: yesACI Avances en Ciencias e Ingenierías, 2010
We present new information on the latitudinal and altitudinal distribution of five species of recently-described or poorly-known glassfrogs from eastern Ecuador. We include novel data on its body size and natural history. Information on the diversity and
Mario H. Yánez-Muñoz   +6 more
doaj   +1 more source

Urea assisted synthesis of TiO2–CeO2 composites for photocatalytic acetaminophen degradation via simplex-centroid mixture design

open access: yesResults in Engineering, 2022
We studied the effect of urea on TiO2–CeO2 and paracetamol photodegradation. The contribution of TiO2, CeO2, and urea was analyzed by simplex-centroid mixture. Solid-state combustion at 500 °C was the method of synthesis.
Ángel Emilio García-Domínguez   +8 more
doaj   +1 more source

Biochar de biomasa residual de eucalipto (Eucalyptus globulus) mediante dos métodos de pirólisis

open access: yesManglar, 2020
El presente estudio se basa en la determinación de procedimientos adecuados para los procesos de transformación de la materia orgánica por acción de operaciones de pirolisis rápida y lenta.
Sergio Iglesias Abad   +3 more
doaj   +1 more source

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