Dual stimuli-responsive phase transition of an ionic liquid/water mixture

2011 ◽  
Vol 47 (16) ◽  
pp. 4772 ◽  
Author(s):  
Yuki Kohno ◽  
Hiroki Arai ◽  
Hiroyuki Ohno
Keyword(s):  
Phase Transition ◽  
Ionic Liquid ◽  
Liquid Water ◽  
Water Mixture ◽  
Stimuli Responsive

ChemInform Abstract: Ionic Liquid/Water Mixture Promoted Organic Transformations

ChemInform ◽  
2015 ◽  
Vol 46 (32) ◽  
pp. no-no
Author(s):  
Pedavenkatagari Narayana Reddy ◽  
Pannala Padmaja ◽  
Basireddy V. Subba Reddy ◽  
Gundla Rambabu
Keyword(s):  
Ionic Liquid ◽  
Liquid Water ◽  
Water Mixture ◽  
Organic Transformations

Is seven the minimum number of water molecules per ion pair for assured biological activity in ionic liquid–water mixtures?

2015 ◽  
Vol 17 (22) ◽  
pp. 14454-14460 ◽  
Author(s):  
Hiroyuki Ohno ◽  
Kyoko Fujita ◽  
Yuki Kohno
Keyword(s):  
Phase Transition ◽  
Ionic Liquid ◽  
Biological Activity ◽  
Water Molecule ◽  
Liquid Water ◽  
Ion Pair ◽  
Water Molecules ◽  
Minimum Number ◽  
Transition Behaviour

The biological activity and phase transition behaviour of IL–water mixtures, called hydrated ILs, were found to change non-linearly at a water molecule to ion pair ratio of around 7 : 1.

Enhanced Cu (II) Adsorption from Aqueous Solutions by Sawdust (Quercus mongolica) Pretreated by Ionic Liquid-Water Mixture

2013 ◽  
Vol 750-752 ◽  
pp. 1354-1357
Author(s):  
Ning Ning Ma ◽  
Peng Wei ◽  
Li Gang Wei ◽  
Ying Chong Ma ◽  
Kun Lan Li ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Aqueous Solutions ◽  
Sodium Hydroxide ◽  
Adsorption Capacity ◽  
Liquid Water ◽  
Water Mixture ◽  
Quercus Mongolica ◽  
Initial Ph ◽  
Conventional Methods

This work investigated the feasibility of Quercus mongolica sawdust pretreated by an ionic liquid-water mixture as a biosorbent for Cu (II) removal from aqueous solutions. Maximum Cu (II) biosorption of 32.6 mg/g is obtained at initial pH 4.3 using sawdust pretreated by a 1-butyl-3-methylimidazolium chloride ([C4miCl)-water mixture (IL content 60%) at 90oC, which is higher than that of unpretreated sawdust (23.0 mg/g, initial pH 6.1). The proposed method is effective in enhancing adsorption capacity of the biomass in comparison to the conventional methods using sulfur acid or sodium hydroxide solutions.

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