Results 21 to 30 of about 2,377,888 (309)

The enhanced catalytic activity of Cu/SAPO-34 by ion exchange method for selective catalytic reduction of nitric oxide

Materials Research Express, 2021
The Cu/SAPO-34 catalysts were prepared via the ion exchange process for achieving improved catalytic activity. Effects of various parameters including copper ions sources, copper ions loadings and ion exchange temperature on catalyst performance of the ...
Dapeng Wang, Zhaokun Li, Chengwen Song
doaj   +1 more source

Mechanical-structural investigation of chemical strengthening aluminosilicate glass through introducing phosphorus pentoxide

Frontiers in Materials, 2016
Chemical strengthening of aluminosilicate glasses through K+-Na+ ion exchange has attracted tremendous attentions because of the accelerating demand for high strength and damage resistance glasses. However, a paramount challenge still exists to fabricate
Huidan Zeng, Ling Wang, Feng Ye, Bin Yang, Jianding Chen, Guorong Chen, Luyi Sun   +6 more
doaj   +1 more source

Removal of Heavy Metal Particles by LTJ, ANA, SVR, BEC and MER zeolites particles: A Molecular Dynamics Simulation Study [PDF]

Journal of Particle Science and Technology, 2015
In present study, molecular dynamics simulation of Cadmium (II), Lead (II) and Copper (II) removal from aqueous electrolyte solutions using the ion-exchange process with the zeolite particles was done.
Mohsen Mehdipour Ghazi, Milad Mohammadi, Hamid Modarres   +2 more
doaj   +1 more source

Study of the Electrical Conductivity of Ion-Exchange Resins and Membranes in Equilibrium Solutions of Inorganic Electrolytes

Membranes, 2022
The study of the electrical conductivity of ion-exchange membranes in equilibrium electrolyte solutions is of great importance for the theory of membrane processes, in particular for practical electrodialysis.
Oleksandr Petrov, Natalia Iwaszczuk, Irina Bejanidze, Tina Kharebava, Volodymyr Pohrebennyk, Nato Didmanidze, Nunu Nakashidze   +6 more
doaj   +1 more source

Amberlite IRC-718 ion chelating resin extraction of hazardous metal Cr (VI) from aqueous solutions: equilibrium and theoretical modeling

Water Science and Technology, 2021
Under varied conditions, the IRC 718 ion-exchange resin is used to extract chromium (VI) ions from aqueous solutions. On chromium (VI) removal effectiveness, the effects of adsorption dosage, contact time, beginning metal concentration, and pH were ...
Abdelhamid Addala, Moussa Boudiaf, Maria Elektorowicz, Embarek Bentouhami, Yacine Bengeurba   +4 more
doaj   +1 more source

Charge-Exchange Collision Dynamics and Ion Engine Grid Geometry Optimization [PDF]

, 2007
The development of a new three-dimensional model for determining the absolute energy distribution of ions at points corresponding to spacecraft surfaces to the side of an ion engine is presented.
Morris, Bradford S.
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Ion-exchange Resin Catalyzed Esterification of Lactic Acid with Isopropanol: a Kinetic Study [PDF]

, 2011
The kinetic behavior of esterification of lactic acid with isopropanol over an acidic cation exchange resin, Amberlyst 15, was studied under isothermal condition. Isopropyl lactate synthesized in this reaction is an important pharmaceutical intermediate.
Wanchoo , Ravinder Kumar, Thakur, Sakshi, Mamta Sharma, Sharma, Mamta, Sakshi Thakur, Ravinder K. Wanchoo, Amrit Pal Toor, Toor, Amrit Pal   +7 more
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Removal of Boron and Arsenic from Geothermal Water in Kyushu Island, Japan, by Using Selective Ion Exchange Resins

, 2011
Batch and column mode tests were carried out to evaluate the efficiency of boron and arsenic removal from geothermal water in Kyushu Island, Japan by an ion exchange method. The geothermal water contained 34.0 mg-B/L and 3.23 mg-As/L.
S. Nishihama, Yuksel, U., Yoshizuka, K., KABAY, NALAN, K. Yoshizuka, Koseoglu, Pelin, N. Kabay, U. Yuksel, Nishihama, S., Kabay, N., P. Koseoglu, Koseoglu, P.   +11 more
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The Li + , Na + and K + ion exchange reaction process on the surface of mixed oxide SiO 2 /TiO 2 /Sb 2 O 5 surface prepared by the Sol-Gel processing method

Eclética Química, 2018
The porous mixed oxide SiO 2 /TiO 2 /Sb 2 O 5 obtained by the sol-gel processing method presented a good ion exchange property and a high exchange capacity towards the Li + , Na + and K + ions.
C. U. Ferreira, J. E. Gonçalves, Y. V. Kholin, Y. Gushikem   +3 more
doaj   +1 more source

Ion exchange chromatography – basic principles and application [PDF]

, 2011
Ion-Exchange Chromatography (IEC) allows for the separation of ionizable molecules on the basis of differences in charge properties. Its large sample-handling capacity, broad applicability (particularly to proteins and enzymes), moderate cost, powerful ...
Dowling, Oonagh, Cummins, Phil, O'Connor, Brendan, O\u27Connor, Brendan   +3 more
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