Results 31 to 40 of about 106,219 (235)

A study on the adsorption of Direct Red 81 on pre-treated cotton fabric [PDF]

open access: yesActa Periodica Technologica
This paper describes modeling of the dyeing process of pretreated cotton fabric. The cotton fabric is scoured, bleached, and then dyed in a solution of inorganic electrolyte and direct dye Direct Red 81.
Nikodijević Milena M.
doaj   +1 more source

Activated biochars used as adsorbents for dyes removal [PDF]

open access: yes, 2018
Adsorption represents one of the most interesting technique for the removal of pollutants from wastewaters. Activated carbons show the best performances on this kind of processes but their high production costs limit their applications. In this context a
De Caprariis, Benedetta   +3 more
core   +1 more source

In silico simulation of blood glucose-insulin dynamics using MATLAB-Simulink [PDF]

open access: yes, 2020
Diabetes mellitus (DM) is a major public health concern in Malaysia and it continuously increases over years. Based on International Diabetes Federation, there are rising numbers of people having diabetes with 3.6 million people in Malaysia and 463 ...
Abdul Malik, Muhammad Iqbal   +2 more
core  

Affixoidhungrig? Skitbra! Comparing Affixoids in German and Swedish [PDF]

open access: yes, 2006
In this article we offer a comparative survey of word-forming elements in German and Swedish known as “affixoids”. A highly controversial topic in German linguistics, the notion of “affixoid” does remain useful given the position of the elements in ...
Ascoop, Kristin, Leuschner, Torsten
core   +1 more source

Insight into synergistic corrosion inhibition of thiourea and ZnCl2 on mild steel: Experimental and theoretical Approaches [PDF]

open access: yesJournal of Chemistry Letters
Inhibition is the commonest device used to lessen metals and alloys corrosion, especially in acidic media. The synergistic effect of ZnCl2 on the corrosion inhibition efficiency of thiourea on mild steel, in 0.5 M sulfuric acid solution, has been ...
Terngu Uzah, Idongesit Mbonu
doaj   +1 more source

Adsorption of Zinc Oxide Nanoparticles onto Esterified Carbonize Sago Hampas: Kinetic and Equilibrium Studies

open access: yesIranian Journal of Materials Science and Engineering, 2020
Sago hampas was chemically modified through esterification process to adsorb both laboratory and commercial synthesized ZnO nanoparticles from water in a batch adsorption studies.
E. K. Droepenu   +3 more
doaj  

Freundlich Isotherm: An Adsorption Model Complete Framework

open access: yesApplied Sciences, 2021
The absolute majority of modern studies dealing with the interpretation of experimental data on the basis of the Freundlich isotherm ignore the fact that the data obtained for regions of low and moderate adsorbate concentration/pressure can be ...
Michael Vigdorowitsch   +3 more
doaj   +1 more source

Dissolved humic substances supplied as potential enhancers of Cu, Cd, and Pb adsorption by two different mangrove sediments [PDF]

open access: yes, 2018
Purpose The external supply of humic substances has been recently suggested for the remediation of metal-polluted sediments; however, little is known about how to supply them and their effects on metal mobility.
Barros Dobbss, Leonardo   +4 more
core   +1 more source

Removal of mercury (II) from aqueous solution by using rice residues [PDF]

open access: yes, 2013
Sorption potential of rice residues for Hg(II) removal from aqueous solution was investigated. Rice husk (RH) and rice straw (RS) were selected and treated with sodium hydroxide (NaOH).
Johari, K.   +3 more
core   +1 more source

Neodymium recovery by chitosan/iron(III) hydroxide [ChiFer(III)] sorbent material: Batch and column systems [PDF]

open access: yes, 2018
A low cost composite material was synthesized for neodymium recovery from dilute aqueous solutions. The in-situ production of the composite containing chitosan and iron(III) hydroxide (ChiFer(III)) was improved and the results were compared with raw ...
Demey Cedeño, Hary   +5 more
core   +3 more sources

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