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High-permeability porous ceramic membrane and preparation method thereof

A porous ceramic membrane and high-permeability technology, applied in the field of ceramic materials, can solve the problems of limited application range and reduced membrane strength, and achieve the effects of rapid prototyping, reduced raw material costs, and simple preparation process

Inactive Publication Date: 2014-01-01
崔劲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 201210462221.1 discloses a nanoporous ceramic membrane and its preparation method. The halloysite / polymer composite fiber is prepared by electrospinning. This method improves the permeation flux through high porosity, but reduces the membrane The strength of the layer limits its range of application

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0015] A high-permeability porous ceramic membrane, the parts by weight of each component are:

[0016] 60 parts of kaolin, 20 parts of potassium feldspar, 8 parts of alumina, 8 parts of calcium carbonate, 1 part of polyammonium methacrylate, and 3 parts of polyethyleneimine.

[0017] Its preparation method comprises the following steps:

[0018] Weigh the above materials according to the stated ratio, mix and stir evenly, melt in a high-temperature frit furnace at 1350°C for 1.5h, and then carry out microwave sintering at a temperature of 1500°C and a heating rate of about 25°C / min. Keep it warm for 25 minutes at the forming temperature, and quench the molten liquid with cold water to obtain a high-permeability porous ceramic membrane.

Embodiment 2

[0020] A high-permeability porous ceramic membrane, the parts by weight of each component are:

[0021] 55 parts of kaolin, 25 parts of potassium feldspar, 8 parts of alumina, 8 parts of calcium carbonate, 1 part of polyammonium methacrylate, and 3 parts of polyethyleneimine.

[0022] Its preparation method comprises the following steps:

[0023] Weigh the above materials according to the stated ratio, mix and stir evenly, melt in a high-temperature frit furnace at 1300°C for 1.5h, and then carry out microwave sintering at a temperature of 1500°C and a heating rate of about 20°C / min. Keep it warm for 25 minutes at the forming temperature, and quench the molten liquid with cold water to obtain a high-permeability porous ceramic membrane.

Embodiment 3

[0025] A high-permeability porous ceramic membrane, the parts by weight of each component are:

[0026] 55 parts of kaolin, 25 parts of potassium feldspar, 6 parts of alumina, 8 parts of calcium carbonate, 3 parts of polyammonium methacrylate, and 3 parts of polyethyleneimine.

[0027] Its preparation method comprises the following steps:

[0028] Weigh the above materials according to the stated ratio, mix and stir evenly, melt in a high-temperature frit furnace at 1330°C for 1.5h, and then carry out microwave sintering at a temperature of 1450°C and a heating rate of about 20°C / min. Keep it warm for 15 minutes at the formation temperature, and quench the molten liquid with cold water to obtain a high-permeability porous ceramic membrane.

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PUM

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Abstract

The invention relates to a high-permeability porous ceramic membrane and a preparation method thereof, and belongs to the technical field of production of ceramic materials. The ceramic membrane comprises components in parts by weight as follows: 55-60 parts of kaolin, 20-25 parts of potassium feldspar, 5-8 parts of aluminum oxide, 5-8 parts of calcium carbonate, 1-3 parts of ammonium polymethacrylate and 1-3 parts of polyethyleneimine. The preparation method comprises the steps as follows: the components are weighed according to the proportion, uniformly mixed and stirred, melted in a frit furnace at the high temperature of 1,300 DEG C-1,350 DEG C, and then subjected to microwave sintering at the temperature ranging from 1,450 DEG C to 1,500 DEG C at the heating rate ranging from 20 DEG C / min to 25 DEG C / min, finally, heat preservation is performed at the high sintering temperature for 15-20 minutes, a melted liquid is quenched by cold water, and the high-permeability porous ceramic membrane is obtained. The ceramic membrane has good separation performance, reasonable price, high strength and wide application range.

Description

technical field [0001] The invention relates to a ceramic membrane, in particular to a high-permeability porous ceramic membrane and a preparation method thereof, belonging to the technical field of ceramic materials. Background technique [0002] Membrane technology is a new type of high-efficiency separation technology. With its energy-saving and environment-friendly features, it has become one of the common supporting technologies to solve major problems such as global energy, environment, and water resources. Porous ceramic membrane, with its excellent material stability, has been widely used in many fields of process industries such as petroleum and chemical industry, medicine, metallurgy, etc. It has become one of the fastest-growing and most promising membrane materials in the membrane field. [0003] The separation performance of porous ceramic membranes is closely related to the pore size and distribution, porosity, pore shape and other microstructures of the materi...

Claims

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Application Information

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IPC IPC(8): C04B38/00C04B33/18C04B33/32
Inventor 陈春水
Owner 崔劲
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