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Mostrando ítems 31-40 de 61
Destoning the moatize coal seam, Mozambique, by Dry Jigging
(Corporación Universidad de la Costa, 2020-08-31)
This paper proposes pre-beneficiation studies by air jigs of the coal layers from a Moatize coal deposit. Pre-beneficiation, also called destoning, removes tailings before the beneficiation plant. The air jigs operate in ...
A review on the environmental impact of phosphogypsum and potential health impacts through the release of nanoparticles
(Corporación Universidad de la Costa, 2021-07-09)
Many industrial by-products have been disposed along coastlines, generating profound marine changes. Phosphogypsum (PG) is a solid by-product generated in the production of phosphoric acid (PA) using conventional synthesis ...
Nanomineralogy of mortars and ceramics from the Forum of Caesar and Nerva (Rome, Italy): the protagonist of black crusts produced on historic buildings
(Corporación Universidad de la Costa, 2021)
The recent focus of the impacts of atmospheric pollution on effective conservation methods for historic structures of great cultural heritage has been shown to be of critical importance for preservation. This work focuses ...
Preparation of activated carbon from the residues of the mushroom (Agaricus bisporus) production chain for the adsorption of the 2,4-dichlorophenoxyacetic herbicide
(Corporación Universidad de la Costa, 2021)
The production of the edible mushroom Agaricus bisporus occurs on a world scale, where tons are constantly produced. At the same time, this production generates a large amount of waste that needs to be adequately conditioned. ...
Adsorbents for glyphosate removal in contaminated waters: a review
(2020-10-26)
Glyphosate is an herbicide used to control weeds and optimize agricultural production. However, since glyphosate is an emerging pollutant claimed to be potentially carcinogenic, glyphosate pollution of soils and water is ...
Evaluation of factors influencing road dust loadings in a Latin American urban center
(Corporación Universidad de la Costa, 2021)
Vehicle non-exhaust emissions are a major component of particle matter, including the direct wear of tires, brakes, road, and the resuspension of deposited particles. It is suggested that resuspended PM (RPM) emissions can ...
The impact of air pollution on the rate of degradation of the fortress of Florianópolis Island, Brazil
(Universidad de la Costa, 2020)
The study of the prevalence of agglomerated nanoparticles (ANPs) containing potentially hazardous elements (PHEs) in the atmosphere is an emerging field of research. As such, the development of effective analytical procedures ...
Identification of hazardous nanoparticles present in the Caribbean Sea for the allocation of future preservation projects
(Corporación Universidad de la Costa, 2021)
The deposition of remaining nanoparticles in the Caribbean Sea generates the formation of potentially dangerous elements, which influence at the imbalance of ecosystems. The detection of nanoparticles is not simple and the ...
Environmental aspects of the depreciation of the culturally significant Wall of Cartagena de Indias – Colombia
(Corporación Universidad de la Costa, 2021-02)
Among the diverse archeological relics of the past, the Cartagena de Indias Wall is one of the greatest representations of European cultural architecture in South America. To assess the implication of contamination on the ...
Release kinetics of multi-nutrients from volcanic rock mining by-products: evidences for their use as a soil remineralizer
(Corporación Universidad de la Costa, 2021-01-10)
Great quantities of stone by-products are stored alongside different exploiting mines in south Brazil, which are becoming an unsustainable environmental issue. Powder materials of andesite and dacite rocks were obtained ...