Patent
Process for the production of porous, permeable mineral membranes
TLDR
In this article, a process for the production of porous, permeable, mineral membranes is described, where a thin layer of at least one mineral compound chosen from among the simple or mixed metal oxides, except aluminum oxide and mixed aluminium oxides and mixtures thereof, is formed by the continuous application of energy to the reaction medium.Abstract:
The invention relates to a process for the production of porous, permeable, mineral membranes According to this process, on a porous, permeable substrate is formed a thin layer of at least one mineral compound chosen from among the simple or mixed metal oxides, except aluminum oxide and mixed aluminium oxides, simple or mixed metal hydroxides, except aluminium hydroxide and mixed aluminium hydroxides and mixtures thereof on the basis of a suspension in a liquid of colloidal or non-colloidal particles, said compound or a precursor thereof having particle sizes below 10 μm The suspension is kept in the finely divided state by the continuous application of energy to the reaction medium The thus obtained membrane is dried and then annealed at a temperature between 400° and 1100° C The use of a suspension of ultrafine colloidal or non-colloidal particles makes it possible to obviate the compression stage and obtain microporous layers with very small pore radiiread more
Citations
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Patent
Pyrogens separations by ceramic ultrafiltration
TL;DR: In this paper, the method of separating pyrogens includes passing a pyrogen-containing liquid through a zirconium oxide membrane on a ceramic support, and the membrane on ceramic support preferably includes a porous sintered ZIRconium Oxide membrane on alpha-alumina support.
Patent
Method of forming a porous inorganic membrane on a porous support using a reactive inorganic binder
TL;DR: In this article, a method of forming a porous inorganic membrane on a support by applying a coating of a mixture of refractory particles and a thermally reactive inorganic binder to the support was proposed.
Patent
Subnanoscale composite, N2-permselective membrane for the separation of volatile organic compounds
Roland A. Levy,Emmanuel S. Ramos +1 more
TL;DR: In this paper, a composite membrane is disclosed which operates as a filter for liquids, solids and gases and combinations thereof, having high permeability for the nitrogen passing therethrough, and high selectivity for matter retained thereby, e.g., volatile organic compounds, so that the N 2 /VOC selectivity is at least about 50/1 or greater.
Patent
Micro and ultrafilters with controlled pore sizes and pore size distribution and method for making
TL;DR: In this article, a micro/ultra-filtering element and a method for making a filter element are provided, which comprises a multi-level support having a filtering membrane layer formed thereon comprising sintered particles of uniform diameter.
Patent
Process for the production of porous membranes
TL;DR: In this paper, a filter membrane consisting of a metal substrate having a filtering layer thereon comprising sintered ultra-fine particles of metal or ceramic compounds is described. And a process for making the filter membrane is provided.
References
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Patent
Method of depositing a high surface area alumina film on a relatively low surface area support
TL;DR: A relatively low surface area honeycomb-type ceramic support is impregnated with an alumina sol containing as a soluble plasticizer at least about 5 wt. percent of a polyethylene glycol having an average molecular weight from about 200 to about 3000 as mentioned in this paper.
Patent
Process for the production of a dry inorganic ultrafiltration membrane and membrane produced by such a method
Anthony Cacciola,Pak Sand Leung +1 more
TL;DR: In this article, a coating is applied to a microporous support in the presence of a volatile liquid capable of drawing the coating into the support and of desolvating the coating.
Patent
Filter of inorganic material prepn.
TL;DR: In this article, a homogeneous mixt of an inorganic powder with an organic binder and a mineral additive is applied on a perforated support of the required mechanical strength, where holes in the support have areas greater than those of the filter being prepd.
Patent
Support for dynamic membrane
TL;DR: In this paper, a ZrO2 filter aid is applied to the substrate of a desalination system to construct a support for dynamic hyperfiltration membranes, followed by drying and firing the resulting composite.
Patent
Ceramic coated porous metal structure and process therefor
Farrier E G,Raymond John Elbert +1 more
TL;DR: A porous metal structure, and process therefor, having a thin coating of a ceramic material deposited on its surface and on the internal walls of all accessible pores which substantially improves the oxidation resistant characteristics of the structure while effecitvely maintaining its mechanical properties.