Results 101 to 110 of about 3,433 (213)

Arcillas fibrosas anómalas en encostramientos y sedimentos superficiales: características y génesis (Esquivias, Cuenca de Madrid)

Boletín de la Sociedad Española de Cerámica y Vidrio, 2003
Mineralogy, chemical composition and textures of silcretes, calcretes/palustrine limestones and argillaceous beds are studied to consider the features and the genesis of fibrous-clay minerals.
Bustillo, M. A., García Romero, E.
doaj  

Exploration of cephalexin adsorption mechanisms onto bauxite and palygorskite and regeneration of spent adsorbents with cold plasma bubbling

Applied Water Science
The aim of the present study was the direct comparison of two popular minerals, bauxite and palygorskite, as adsorbents for the removal of cephalexin (CPX) from aqueous solutions and the regeneration of the spent adsorbents through cold atmospheric ...
S. Giannoulia, A. G. Tekerlekopoulou, C. A. Aggelopoulos   +2 more
doaj   +1 more source

Origin of Palygorskite in Some Soils of Arabian Peninsula

, 1984
Examination of soil clays from Saudi Arabia and the People's Republic of the South Yemen by X-ray diffraction, DTA and electron microscopy has shown the widespread occurrence of palygorskite.
A.S. Al-Mashhady, R. C. Mackenzie, H. J. Wilson   +2 more
core  

Sepiolite-palygorskite: A continuous polysomatic series

, 2013
Received 21 March 2013 / Revised 28 August 2013 / Published 01 October 2013. © Copyright 2014 Elsevier B.V., All rights reserved.A compositional gap between sepiolite and palygorskite has long been accepted even though they have similar structures, but ...
Súarez Barrios, Mercedes, García Romero, Emilia   +1 more
core   +1 more source

Palygorskite: Crystallochemistry by Spectroscopy

, 2009
Εργο Παροχής Ερευνητικών ...
Chryssikos, Georgios D., Gionis, Vassilis   +1 more
openaire   +1 more source

XRF and nitrogen adsorption studies of acid-activated palygorskite

, 2010
The effects of acid activation on the chemical composition, surface area and pore structure of palygorskite from Xuyi (Jiangsu, P.R. China) were investigated systematically using X-ray fluorescence (XRF) and BET techniques.
Qin Wang, Hao Chen, Junping Zhang, Aiqin Wang   +3 more
core   +1 more source

Distribution of Palygorskite in Sediments and Soils of Eastern Saudi Arabia.

, 1985
Rock samples representing different soil parent materials from the Jurassic, Cretaceous and Tertiary periods in eastern Saudi Arabia were investigated for their mineralogical and chemical properties.
A. S. Al-Mashhady, H. Shadfan
core  

Preparation and characterization of biochar-iron oxide-palygorskite composites for uranium(VI) removal from aqueous solutions

Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry
This paper details the synthesis of palygorskite/biochar/iron oxide composites and their utilization for the remediation of water solutions contaminated with uranium(VI).
Ihor Pylypenko, Iryna Kovalchuk, Mykola Tsyba, Yurii Lytvynenko, Oleksandr Shyrokov   +4 more
doaj   +1 more source

Palygorskite from Tertiary Formations of Eastern Saudi Arabia.

, 1985
The occurrence of palygorskite in some Tertiary sediments in eastern Saudi Arabia was studied. Mineralogical analyses were made of samples from two sections several meters thick from the Umm er Radhuma and Dammam Formations of Paleocene and Eocene ...
E. Shadfan, A. A. Hussen, A. S. Al-Mashhady, J. B. Dixon   +3 more
core  

Formation of sepiolite-palygorskite and related minerals from solution

, 2002
Most of the world's sepiolite-palygorskite precipitates in lacustrine and perimarine environments. Although these minerals can transform from precursor minerals, the most common formation mechanism involves crystallization from solution.
Birsoy, R
core   +1 more source