Results 41 to 50 of about 293,249 (323)

Zeolite Properties, Methods of Synthesis, and Selected Applications

Molecules
Zeolites, a group of minerals with unique properties, have been known for more than 250 years. However, it was the development of methods for hydrothermal synthesis of zeolites and their large-scale industrial applications (oil processing, agriculture ...
Natalia Kordala, M. Wyszkowski
semanticscholar   +1 more source

EXAFS Analysis of Size-Constrained Semiconducting Materials [PDF]

, 1990
Semiconducting materials such as CdSe, CdS, PbS and GaP are included in crystalline zeolite Y and mordenite and structurally flexible ethylene-methacrylic acid copolymer solid matrices.
Bein, Thomas, Herron, Norman, Mac Dougall, Jim E., Mahler, Walter, Möller, Karin, Stucky, Galen D.   +5 more
core   +1 more source

Reproducible scale-up of high-selectivity 80-cm-long NaA zeolite membranes via green gel-less conversion method for dehydration of ethanol

Materials & Design
Green scale-up of zeolite membranes is of profound significance from environmental protection perspectives. In this work, 80-cm-long NaA zeolite membranes with high selectivity and reproducibility were successfully manufactured on coarse macroporous ...
Tian Gui, Xiaowei Wu, Yuqin Li, Jianggui Tan, Xiaoyan Wang, Fei Zhang, Xiangshu Chen, Hidetoshi Kita   +7 more
doaj   +1 more source

Photocatalytic Activity and Kinetic Study of Methylene Blue Degradation using N-Doped TiO2 with Zeolite-NaY

CHEESA, 2021
Methylene blue is the most widely used dye in the industry and it is difficult to be degraded by the microorganism. This research aims to investigate the photocatalytic activity and effects of contact time on the photocatalytic degradation rate of ...
Indri Susanti, Rendy Muhamad Iqbal, Rahadian Abdul Rachman, Tri Agusta Pradana   +3 more
doaj   +1 more source

Diffusion and catalyst efficiency in hierarchical zeolite catalysts

National Science Review, 2020
The preparation of hierarchical zeolites with reduced diffusion limitation and enhanced catalyst efficiency has become a vital focus in the field of zeolites and porous materials chemistry within the past decades.
P. Peng, Xiong-hou Gao, Zifeng Yan, S. Mintova   +3 more
semanticscholar   +1 more source

PHOTODEGRADATION OF ALIZARIN S DYE USING TiO₂-ZEOLITE AND UV RADIATION

Indonesian Journal of Chemistry, 2010
An investigation of Alizarin S photodegradation using TiO2-zeolite and UV radiation was performed. TiO2-zeolite was prepared by dispersing oligocations of titanium into suspension of zeolite.
Karna Wijaya, Eko Sugiharto, Is Fatimah, Iqmal Tahir, Rudatiningsih Rudatiningsih   +4 more
doaj   +1 more source

Preparation of Alumina-Sphere-Supported Potassium Chabazite Zeolite Membrane with Excellent Potassium Extraction Performance at Room Temperature

Membranes, 2022
In this paper, a potassium chabazite (KCHA) zeolite membrane was prepared by coating KCHA zeolite on the surface of a porous alumina sphere. The performance of the KCHA zeolite membrane in extracting potassium from seawater and sea bittern at room ...
Jie Ouyang, Heng Wei, Jin Hou
doaj   +1 more source

Low Temperature Drying With Air Dehumidified by Zeolite for Food Products: Energy Efficiency Aspect Analysis [PDF]

, 2011
Developments in low temperature drying of food products are still an interesting issue; especially with respect to the energy efficiency. This research studies the energy efficiency that can be achieved by a dryer using air which is dehumidified by ...
Asselt, C.J., van, Bartels, P.V., Boxtel, A.J.B., van, Djaeni, M., Sanders, J.P.M., Straten, G., van   +5 more
core   +2 more sources

IMOBILISASI ZEOLIT BEKAS PENYERAP LIMBAH RAFINAT DARI PRODUKSI RADIOISOTOP MOLIBDENUM-99 DENGAN POLIMER [PDF]

, 2009
Rafinat waste that produced by Instalation of Radioisotop Production is contained uranium. The research of uranium sorption by zeolite Alumino Silico Phosphate (ASP) and selected of best waste loading for immobilisation of saturated zeolite uranium ...
Firda, Rayyen
core  

EXAFS study of nickel tetracarbonyl and nickel clusters in zeolite Y [PDF]

, 1986
Adsorption and thermal decomposition of Ni(CO)4 in the cage system of zeolite Y have been studied with EXAFS, electron microscopy and IR spectroscopy , Ni(CO)4 is adsorbed as an intact molecule in both cation - free zeolite Y and NaY. Symmetry changes
Bein, Thomas, McLain, S. J., Möller, Karin, Sayers, D. E., Stucky, Galen D., Woolery, G.   +5 more
core   +3 more sources