IR spectra of clay minerals

J Madejová, WP Gates, S Petit - Developments in clay science, 2017 - Elsevier
This chapter presents typical mid-IR (MIR) and near-IR (NIR) spectra of different clay mineral
families and discusses how basic information on crystal chemistry can be derived. MIR …

Polysomatic aspects of microporous minerals–heterophyllosilicates, palysepioles and rhodesite-related structures

G Ferraris, A Gula - Reviews in mineralogy and …, 2005 - pubs.geoscienceworld.org
Several structural families reported in this book can be described by using concepts of
modular crystallography (Thompson 1978; Veblen 1991; Merlino 1997; Ferraris et al. 2004) …

Calcium-modified granular attapulgite removed phosphorus from synthetic wastewater containing low-strength phosphorus

N Lv, X Li, X Qi, Y Ren - Chemosphere, 2022 - Elsevier
Traditional biological processes combined with chemical precipitation methods can
effectively reduce phosphate concentration in wastewater. However, discharge standards …

FTIR spectroscopy study of the structure changes of palygorskite under heating

W Yan, D Liu, D Tan, P Yuan, M Chen - Spectrochimica acta part A …, 2012 - Elsevier
Progressive heat treatment was applied to palygorskite, and the changes of the position and
intensity of its infrared vibrations, particularly those in the low wavenumber region, were …

A comparative study about adsorption of natural palygorskite for methylene blue

Y Zhang, W Wang, J Zhang, P Liu, A Wang - Chemical Engineering Journal, 2015 - Elsevier
Various methods including acid treatment, heat treatment and surface modification have
been used to improve the adsorption properties of natural palygorskite. However, the …

Highly-effective phosphate removal from aqueous solutions by calcined nano-porous palygorskite matrix with embedded lanthanum hydroxide

L Kong, Y Tian, N Li, Y Liu, J Zhang, J Zhang… - Applied Clay Science, 2018 - Elsevier
Efficient phosphate removal from wastewater is critical for the safety of natural water bodies
against eutrophication and for the replenishment of unrenewable phosphorus resources. In …

FTIR spectroscopic study of palygorskite: influence of the composition of the octahedral sheet

M Suárez, E Garcia-Romero - Applied Clay Science, 2006 - Elsevier
The influence of chemical composition to position and intensity of the absorption bands
observed in the FTIR spectra of palygorskite has been studied by a detailed comparative …

Characterization of La–Mg-modified palygorskite and its adsorption of phosphate

C Zhang, X Wang, X Wang, B Liu - Journal of Environmental Chemical …, 2022 - Elsevier
To further improve the adsorption capacity of palygorskite, this study first prepared
lanthanum–magnesium (La–Mg)-modified palygorskite (LMPA) via co-precipitation and heat …

Synthesis, characterization of palygorskite supported zero-valent iron and its application for methylene blue adsorption

RL Frost, Y Xi, H He - Journal of colloid and interface science, 2010 - Elsevier
In this work, natural palygorskite impregnated with zero-valent iron (ZVI) was prepared and
characterized. The combination of ZVI particles on surface of fibrous palygorskite can help to …

Sustainable lanthanum-attapulgite/alginate hydrogels with enhanced mechanical strength for selective phosphate scavenging

S Liu, F Fan, Z Ni, J Liu, S Wang - Journal of Cleaner Production, 2023 - Elsevier
Attapulgite has rarely been used in lanthanum-based alginate hydrogel development for
phosphate elimination. The associated research gaps regarding green fabrication, eco …