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US08377838B2 Method for production of DDR type zeolite membrane 有权
生产DDR型沸石膜的方法

Method for production of DDR type zeolite membrane
摘要:
A method is provided for producing a DDR type zeolite membrane, including a membrane formation step of immersing a porous substrate having a DDR type zeolite seed crystal adhered thereon, in a raw material solution containing 1-adamantaneamine, silica (SiO2) and water, and conducting a hydrothermal synthesis of DDR type zeolite to form a 1-adamantaneamine-containing DDR type zeolite membrane on the porous substrate to produce a precursor of DDR type zeolite membrane-containing body, and a burning step of heating the precursor at 400° C. or above and at 550° C. or below to burn and remove the 1-adamantaneamine contained in the DDR type zeolite membrane.
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