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Incorporation of dithiooxamide as a complexing agent into cellulose for the removal and pre-concentration of Cu(II) and Cd(II) ions from natural water samples
(2013-01-01)
The present study describes the incorporation of a complexing agent, dithiooxamide, into microcrystalline cellulose for use in the pre-concentration of Cu(II) and Cd(II) ions from aqueous samples. The FTIR spectrum of the ...
Natural superficial water storage and aquifer recharge assessment in Brazilian savanna wetland using unmanned aerial vehicle and geophysical survey
(2020-01-01)
Human pressure on the water resources provided by natural isolated wetlands has intensified in Brazil due to an increase in agricultural land equipped with irrigation. However, the amount of water stored in these areas and ...
Using water hyacinth (Eichhornia crassipes) biomass and humic substances to produce urea-based multi-coated slow release fertilizer
(2021-04-01)
Urea-based multi-coated slow release fertilizer was produced using water hyacinth, humic substances, and chitosan, with water rich in natural organic matter as a solvent. Elemental analysis showed that the nitrogen content ...
Thirsty Country: State, Water, and the ?War on Drought? in Chile in the 1960s
(UNIV ANDES, 2022)
Objective/Context: This paper studies the role of the Chilean state during the great drought of 1967-1969 as a mediator between human beings and nature. Institutional adaptations and the effort to improve the infrastructure ...
Energy and hydraulic efficiency in conventional water supply systems
(Elsevier B.V., 2014-02-01)
This paper presents the state-of-the-art approaches to energy (electricity) and hydraulic efficiency and conservation in conventional water supply systems, providing an overview of energy efficiency and conservation ...