Results 91 to 100 of about 40,209 (212)

Isotherms describing physical adsorption of Cr(VI) from aqueous solution using various agricultural wastes as adsorbents

open access: yesCogent Engineering, 2016
Various agricultural wastes such as peels of pea (Pisum sativum) pod, tea (Camellia sinensis), and ginger (Zingiber officinale) and banana (Musa lacatan) waste were used to adsorb Cr(VI) from the aqueous solutions.
Pushpendra Kumar Sharma   +2 more
doaj   +1 more source

Utilização de modelos físico-químicos de adsorção no estudo do comportamento do cobre em solos argilosos

open access: yesQuímica Nova, 2001
It was evaluated the applicability of Langmuir, Freundlich and Temkin models to copper adsorption in three classes of soils. Fractions of each soil were added to test tubes containing growing concentrations of the metal in solution. The tubes were shaken
Sodré Fernando Fabriz   +2 more
doaj  

COCONUT BAGASSE TREATED BY THIOUREA/AMONIUM SOLUTION FOR CADMIUM REMOVAL: KINETIC AND ADSORPTION EQUILIBRIUM

open access: yesBioResources, 2012
Coconut bagasse, an agricultural solid waste was used as biosorbent for the removal of cadmium after modification with thiourea. The adsorption of Cd2+ was studied at pH 5.5.
Vicente Oliveira Sousa Neto,   +7 more
doaj  

A calculational approach to electron impact excitation of ions in hot solar plasmas [PDF]

open access: yes
The cross section requirements are presented for studying UV and X-ray emission spectra associated with active and flare-produced plasmas in the sun's corona.
Temkin, A.
core   +1 more source

Adsorption Kinetic and Thermodynamic Study of Congo Red Dye on Synthetic Zeolite and Modified Synthetic Zeolite

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
   Linde Type-A (LTA) zeolite was modified by adding  lead sulfide into cavities of zeolite. The zeolite and zeolite –pbs  were characterized by FTIR, XRD, AFM and SEM.
Ahmed M. Abbas   +2 more
doaj  

A Conversation on the Joaquín Torres-García Catalogue Raisonné

open access: yesPanorama, 2023
Susanna V. Temkin, Cecilia de Torres
doaj   +1 more source

Home - About - Disclaimer - Privacy