Results 41 to 50 of about 66,286 (300)

High-temperature catalyst supports and ceramic membranes: Metastability and particle packing [PDF]

, 1997
Parameters and/or processes responsible for the stability of catalyst supports and ceramic membranes are discussed. Two major parameters/processes were identified which are responsible for the stability of sol-gel derived nanostructured oxides at ...
Burggraaf, Anthonie J., Keizer, Klaas, Mizukami, Fujio, Nair, Jalajakumari, Nair, Padmakumar, Okubo, Tatsuya   +5 more
core   +2 more sources

Modeling Fixed Bed Membrane Reactors for Hydrogen Production through Steam Reforming Reactions: A Critical Analysis [PDF]

, 2018
Membrane reactors for hydrogen production have been extensively studied in the past years due to the interest in developing systems that are adequate for the decentralized production of high-purity hydrogen.
Annesini, Maria Cristina, Cerbelli, Stefano, Murmura, MARIA ANNA   +2 more
core   +1 more source

Advancing ceramic membrane technology in chemical industries applications by evaluating cost-effective materials, fabrication and surface modification methods

Hybrid Advances
Ceramic membranes have gained significant research interest owing to their exceptional properties, including high thermal stability, chemical stability, biological resistance, and remarkable durability.
Maddala Sree Kanth, S. Lakshmi Sandhya Rani, Vinoth Kumar Raja   +2 more
doaj   +1 more source

Propylene-Selective Thin Zeolitic Imidazolate Framework Membranes on Ceramic Tubes by Microwave Seeding and Solvothermal Secondary Growth

Crystals, 2018
Zeolitic imidazolate framework (ZIF-8) membranes have attracted tremendous interest for their high-resolution kinetic separation of propylene/propane mixtures. Current polycrystalline ZIF-8 membranes are supported mostly on planar ceramic substrates (e.g.
Jingze Sun, Chen Yu, Hae-Kwon Jeong
doaj   +1 more source

Study on pickling technology to control fouling of ceramic membrane treating secondary treated effluent

Water Science and Technology, 2022
The application of membrane technology in the field of water treatment was increasingly widespread, but membrane fouling still restricted its development, and the membrane needed to be chemically cleaned.
Fengchao Wang, Shoubin Zhang, Wenhai Jiao, Jingying Chen, Shikai Zhao, Guoqiang Ma, Guicai Liu   +6 more
doaj   +1 more source

The influence of tetraethoxysilane sol preparation on the electrospinning of silica nanofibers [PDF]

, 2015
The critical parameters determining the electrospinning of silica nanofibers starting from tetraethoxysilane sols are reported. By controlling the reaction conditions, the rheological properties of the sol allowed for electrospinning without needing the ...
De Buysser, Klaartje, De Clerck, Karen, De Roo, Jonathan, Geltmeyer, Jozefien, Martins, José, Van den Broeck, Freya   +5 more
core   +1 more source

Comparison of porosity assessment techniques for low-cost ceramic membranes

Boletín de la Sociedad Española de Cerámica y Vidrio, 2017
Several characterization methods were applied to low cost ceramic membranes developed for wastewater treatment in membrane bioreactors (MBRs) and/or tertiary treatments.
Maria-Magdalena Lorente-Ayza, Olga Pérez-Fernández, Raquel Alcalá, Enrique Sánchez, Sergio Mestre, Joaquin Coronas, Miguel Menéndez   +6 more
doaj   +1 more source

Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control

Advanced Engineering Materials, EarlyView.
This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian, Frédéric Demoly, Mohammad Lakhi, Bernard Rolfe, Mahdi Bodaghi   +4 more
wiley   +1 more source

A Concept of a Digital and Traceable Manufacturing Documentation Based on Formalized Process Description Applied on Composite Aircraft Moveable

Advanced Engineering Materials, EarlyView.
The documentation of component manufacture has become an essential part of today's production processes, especially for the analysis and optimization of production or component design with regard to structural performance, economic efficiency, and sustainability.
Björn Denker, Dominik Delisle, Christian Krombholz, Martin Rädel, Frank Dressel   +4 more
wiley   +1 more source

Formation and characterization of inorganic membranes from zeolite-silica microcomposites [PDF]

, 1988
Small crystals of zeolites (500-1000 nm) with two- and three-dimensional channel systems (faujasite and ZSM-5 structures) were embedded in amorphous thin films derived from TEOS hydrolyzed in alcoholic solution.
Barrer, Breck, Brinker, Jacobs, Janata, Seiyama, Ward   +6 more
core   +1 more source