Hollow fiber ceramic membrane production method
A ceramic membrane and fiber technology is applied in the field of preparation of in-situ composite carbon-toughened YSZ hollow fiber ceramic membranes, which can solve the problems of unsatisfactory fracture toughness, high production cost, complicated and tedious processes, and achieves good adsorption effect and avoids high temperature. Sintering, the effect of reducing production costs
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[0020] Example 1:
[0021] 3YSZ is selected and the hollow fiber ceramic membrane module prepared by the preparation method proposed by the present invention is tested for the cross-flow filtration effect. Unfiltered raw water is added to the membrane module, and the water permeated from the outer wall of the membrane module is subjected to E. coli The removal rate, chloride ion removal rate, and lead ion removal rate are analyzed and tested, and the removal rate of Escherichia coli> 99.99%; residual chloride ion removal rate in water> 99.9%, lead ion removal rate> 99.9%.
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[0022] Example 2:
[0023] 3YSZ is selected and the hollow fiber ceramic membrane module prepared by the preparation method proposed by the present invention is subjected to external flame external combustion treatment to obtain a hollow fiber membrane with a C / YSZ double-layer structure ratio of 1:1, and its porosity is measured And water flow, it is found that the open porosity can reach 46.8%, and the water flow is 4.18m 3 / (m 2 .h.bar).
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[0024] Example 3:
[0025] 5YSZ is selected and the hollow fiber ceramic membrane module prepared by the preparation method of the present invention is tested for the cross-flow filtration effect, the unfiltered raw water is added to the membrane module, and the water permeated from the outer wall of the membrane module is subjected to E. coli The removal rate, chloride ion removal rate, and lead ion removal rate are analyzed and tested, and the removal rate of Escherichia coli> 99.00%; residual chloride ion removal rate in water> 99.0%, lead ion removal rate> 99.0%.
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