Buscar
Mostrando ítems 1-10 de 55865
Functionalization of kaolinite for removal of phosphate from urban sewage
(2021-01-01)
The PO43− widespread in urban sewages promotes eutrophication of water sources, with harmful effects to natural life and endanger human health. The removal of PO43− from urban sewage requires treatment at tertiary level, ...
Boron and sulfate removal using rice husk as filtration material in horizontal flow constructed wetlands microcosms
(North Carolina State University, 2019)
Constructed wetlands (CW) are being explored as an alternative treatment for boron removal. The efficiency of CW strongly depends on the substrate and plants used. A promising and inexpensive substrate is rice husk. This ...
A Quick, low-cost treatment method for secondary effluent nitrate removal through denitrification
(Mary Ann Liebert, 2004-07-29)
Tratamiento con aligner en ortodoncia
(Universidad Inca Garcilaso de la Vega, 2018-05-07)
Debido a los inconvenientes que presentan los tratamientos ortodónticos convencionales y al incremento de las expectativas estéticas de los pacientes. Ha surgido el uso de los aligners o alineadores para el tratamiento de ...
Aquatic macrophytes potential for the simultaneous removal of heavy metals (Buenos Aires, Argentina)
(Pergamon-Elsevier Science Ltd, 2004-11)
Heavy metal removal from water has been approached by using different technologies. Phytotechnologies, with an increasing development during the last two decades, involve using plants for metal removal. Three autochthonous ...