Results 121 to 130 of about 359,567 (223)

Aplicabilidade de georecursos portugueses na área da hidrologia médica [PDF]

open access: yes, 2011
Doutoramento em GeociênciasIn Portugal, there is an old tradition in using clayey materials for therapeutic purposes. They are applied in pelotherapy, at several beaches of the Atlantic coast in the form of clay-sea water mixtures (peloids) to treat ...
Rebelo, Mariana da Silva
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Post-permeation stability of modified bentonite suspensions under increasing hydraulic gradients [PDF]

open access: yes, 2013
textSlurry wall is a geotechnical engineering application to control the migration of contaminants by retarding groundwater flow. Sand-bentonite slurry walls are commonly used as levees and containment liners.
El-Khattab, May Mohammad
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Regeneração de argilas clarificantes da indústria de refino de óleos vegetais [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia QuímicaAs argilas bentoníticas são utilizadas amplamente na indústria em diversas aplicações, devido às suas propriedades como ...
Garofalo, Marcelo Neves
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Hydrothermal synthesis of TiO2-WO3-bentonite composites: Conventional versus ultrasonic pretreatments and their adsorption of methylene blue

open access: yes, 2015
TiO2–WO3–bentonite composites were synthesized via a hydrothermal route with and without an ultrasonic pretreatment, and their effects on the adsorption properties of the methylene blue (MB) dye were explored.
Zhu, Ying   +5 more
core   +1 more source

Study on the activation of saudi natural bentonite, part II: charaterization of the produces active clay and its test as an absorbing agent

open access: yes, 2000
The active clay (Saudi-bentonite) produced by the acid activation of Saudi natural clay was characterized with respect to chemical composition and physical properties. The obtained results were compared with commercial active clay being used in bleaching
Al-Tawil, Y. A.   +2 more
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A New Method for Estimating the Moisture Content and Flexibility of Polymerised Bentonite Clay Mat [PDF]

open access: yes, 2017
This paper presents a scientific development to address the current absence of a convenient technique to identify the ductile to brittle transition of bentonite clay mats. The instrumented indentation and 3-point bending tests were performed on different
Wijeyesekera, D.Chitral   +2 more
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