Results 21 to 30 of about 4,460,103 (325)

Preparation of zeolite ZSM-5 membranes [PDF]

open access: yes, 1997
NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document. Zeolite ZSM-5 membranes were prepared on porous [...] disks by in-situ crystallization using a clear solution of optimized composition [.
Yan, Yushan
core   +1 more source

THE EFFECT OF TYPE ZEOLITE ON THE GAS TRANSPORT PROPERTIES OF POLYIMIDE-BASED MIXED MATRIX MEMBRANES [PDF]

open access: yes, 2008
The permeation rates of O2, N2, CO2 and CH4 has been studied for polyimide-polyethersulfone (PI/PES) blends-zeolite mixed matrix membranes synthesized in our laboratory.
Ismail, Ahmad Fauzi   +3 more
core   +2 more sources

A comparative study of natural zeolite and synthetic zeolite as an additive in warm asphalt mixes

open access: yesMateriales de Construccion, 2013
Zeolite can be used as an ingredient in warm bituminous mixes to reduce manufacturing temperatures. The zeolite for this purpose is usually synthetic, but natural zeolite can also be used.
A. Alonso   +4 more
doaj   +1 more source

Hellenic Natural Zeolite as a Replacement of Sand in Mortar: Mineralogy Monitoring and Evaluation of Its Influence on Mechanical Properties

open access: yesGeosciences, 2012
HEU-type zeolite-rich volcaniclastic tuff (Hellenic natural zeolite) is used as a raw material for the production of lighter mortars. The addition of natural zeolite in mortar mixtures of sand and Portland cement leads to a decrease of up to 18.35% unit ...
Costas Sikalidis   +4 more
doaj   +1 more source

Zeolite-Modified Fischer-Tropsch Synthesis [PDF]

open access: yes, 2011
The improvement of the gasoline selectivity and quality with the addition of HZSM-5 to the Fe-FT process is evident from literature. The catalytic performance of the combined Fe-FT/HZSM-5 system has been observed to decline with time-on-stream ...
Shah, Rashed
core   +1 more source

Synthesis of Zeolite Pellets From Natural Zeolite and Starch as Adsorbent For Fuel Grade Bioethanol Production [PDF]

open access: yes, 2012
Bioethanol is one of the alternative energy that needs to be kept under review, in terms of raw material sources, the fermentation and purification processes. In terms of purification process in order to standardize to be fuel grade, It is how to get dry
Anwar , Ma’ruf,, Neni , Damajanti
core   +1 more source

PENGARUH PENGGUNAAN ZEOLIT ALAM SEBAGAI FILLER PADA CAMPURAN AC-BC DITINJAU DARI NILAI VITM

open access: yesSiklus: Jurnal Teknik Sipil, 2018
Indonesia has a wealth of natural resources is high, including mineral resources into pavement materials. Utilization of natural resources such as raw materials pavement still has not been developed, especially to overcome the problems related to ...
alfian saleh
doaj   +1 more source

Potassium Recovery from Potassium Solution and Seawater Using Different Adsorbents

open access: yesApplied Sciences, 2021
The potassium (K) sorption characteristics with three adsorbents, natural zeolite, ammonium acetate-treated zeolite, and manganese nodule, were studied and compared to see the potential use of manganese nodule as an alternative K adsorbent.
Sora Shin   +4 more
doaj   +1 more source

Hydration process and compressive strength of cement pastes containing natural zeolite [PDF]

open access: yesGrađevinski Materijali i Konstrukcije, 2016
This paper presents the results of the study examining the effect of natural zeolite from Igroš, Serbia, on the hydration and compressive strength of Portland cement based pastes, in which a part of cement has been replaced by natural zeolite.
Radeka Miroslava   +4 more
doaj   +1 more source

Production and Characterization of Zeolite Membrane [PDF]

open access: yes, 2012
The use of bioethanol as an alternative fuel with a purity of more than 99.5% wt has prompted research on bioethanol purification. One of the promising methods used for bioethanol purification is pervaporation membrane.
Heny , Kusumayanti   +5 more
core   +1 more source

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