Porous supports for conducting ceramic membranes
Source abstract
Abstract
We describe glass-ceramic materials produced using several kaolins for the fabrication of inert porous supports by a casting process. Optimizing the slurry composition and preparing quality slurries, we obtained a support material which had an open porosity of ≃34% after firing at 1380°C. Modification of the support material fired at 850–950°C through leaching, impregnation, and treatment with oxide sols insures effective control over its sintering shrinkage curve, which enables a reduction in the shrinkage mismatch between the support and ceramic layers to an acceptable level. To improve the chemical compatibility between the support material and ceramics, we formulated a number of effective solutions within the proposed approach.
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Research context
OpenAlex topics: Innovations in Concrete and Construction Materials · Recycling and utilization of industrial and municipal waste in materials production · Advanced ceramic materials synthesis
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References (13)
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