A kind of zeolite membrane and preparation method thereof
A zeolite membrane and a zeolite technology, which are applied in the field of membrane separation, can solve problems such as difficulty in zeolite regeneration for separation of zeolite and water, and achieve the effects of simple preparation method, good water permeability and high zeolite loading capacity.
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Embodiment 1
[0028] The present embodiment provides a kind of preparation method of zeolite membrane, specifically as follows:
[0029] Add 10 g of N-methylpyrrolidone solution of polyvinylidene fluoride with a mass concentration of 6% dropwise into 10 g of natural clinoptilolite, grind and stir thoroughly, then scrape-coat it on a non-woven fabric with a thickness of 0.5 μm, and dry After drying, the zeolite membrane can be prepared. The actual picture of the prepared zeolite membrane is shown in figure 1 shown.
Embodiment 2
[0031] The present embodiment provides a kind of preparation method of zeolite membrane, specifically as follows:
[0032] Add 10 g of N-methylpyrrolidone solution of polyvinylidene fluoride with a mass concentration of 8% dropwise to 10 g of natural clinoptilolite, grind and stir thoroughly, and scrape-coat it on a non-woven fabric with a thickness of 0.7 μm. After drying, the zeolite membrane can be prepared.
Embodiment 3
[0034] The present embodiment provides a kind of preparation method of zeolite membrane, specifically as follows:
[0035] Add 15g of N-methylpyrrolidone solution of polyvinylidene fluoride with a mass concentration of 10% dropwise to 10g of artificial zeolite, grind and stir thoroughly, then scrape-coat it on a non-woven fabric with a thickness of 0.9μm, and dry it The zeolite membrane can be prepared.
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