A kind of impregnated ceramic particles

A technology of ceramic particles and particles, which is applied in the field of impregnated ceramic particles, can solve the problems of only focusing on interception and separation, high requirements for roasting equipment, and expensive alumina, and achieve the effects of high cost performance, lower sintering temperature, and increased use safety

Active Publication Date: 2015-10-21
浙江创魏新材股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most of the commercialized ceramic substrates at home and abroad are alumina porous ceramic substrates. However, alumina is expensive, and the sintering temperature is high, requiring high roasting equipment, high energy consumption, and high preparation costs.
[0003] At the same time, the research on the existing ceramic matrix only focuses on the interception and separation, and its separation performance mainly depends on the particle size and pore size.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] (1) 60 parts of diatomaceous earth, 30 parts of purple sand, 15 parts of wheat starch, 1.7 parts of A1C1 3 and FeCl 3 The mixed solution was mixed evenly with 32 parts of ultrapure water, and then molded into round particles with a diameter of 0.5 mm by a molding machine.

[0014] (2) The particles obtained in step (1) were air-dried at room temperature, then dried at 110°C for 24 hours, taken out, calcined at 650°C for 1.5 hours, and then naturally cooled to room temperature to obtain the impregnated ceramic particles. The inner pore diameter diffusion rate of the ceramic particles is 7.95*10 -2 mg / g·h 0.5 .

Embodiment 2

[0016] (1) 50 parts of diatomaceous earth, 25 parts of purple sand, 20 parts of wheat starch, 2 parts of A1C1 3 and FeCl 3 The mixed solution was mixed evenly with 29 parts of ultrapure water, and then molded into round particles with a diameter of 1 mm by a molding machine.

[0017] (2) The particles obtained in step (1) were air-dried at room temperature, then dried at 110°C for 24 hours, taken out, calcined at 700°C for 1 hour, and then naturally cooled to room temperature to obtain the impregnated ceramic particles. The inner pore diameter diffusion rate of the ceramic particles is 8.23*10 -2 mg / g·h 0.5 .

Embodiment 3

[0019] (1) 60 parts of diatomaceous earth, 20 parts of purple sand, 30 parts of wheat starch, 3 parts of A1C1 3 and FeCl 3 The mixed solution was uniformly mixed with 40 parts of ultrapure water, and then molded into round particles with a diameter of 1 mm by a molding machine.

[0020] (2) The particles obtained in step (1) were air-dried at room temperature, then dried at 110°C for 24 hours, taken out, calcined at 700°C for 1 hour, and then naturally cooled to room temperature to obtain the impregnated ceramic particles. The inner pore diameter diffusion rate of the ceramic particles is 8.05*10 -2 mg / g·h 0.5 .

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Abstract

The invention discloses impregnated ceramic granules. The impregnated ceramic granules contain the raw materials in parts by weight: 40-60 parts of diatomite, 20-30 parts of purple sand, 15-30 parts of wheat starch and 1.7-3.5 parts of AlC13 and FeCl3 mixed solution. According to the impregnated ceramic granules, common cheap raw materials are adopted and are modified by adding iron ions, so that the sintering temperature is lowered, the economic cost is low, and the cost performance is high; aluminum ions are not used any more, so that the safety in use is improved; obtained adsorption ceramics are high in adsorption efficiency, and the regeneration treatment is simple after the adsorption ceramics are applied to pollutant adsorption.

Description

technical field [0001] The present invention relates to impregnated ceramic particles. Background technique [0002] Ceramic substrates have been widely used in the field of adsorption due to their advantages of high temperature and high pressure resistance, acid and alkali resistance, high mechanical strength, and long-term stable separation operation. At present, most of the commercialized ceramic substrates at home and abroad are alumina porous ceramic substrates. However, alumina is expensive, and the sintering temperature is high, requiring high firing equipment, high energy consumption, and high preparation costs. [0003] At the same time, the existing research on ceramic substrates only focuses on the interception and separation, and its separation performance mainly depends on the particle size and pore size. Contents of the invention [0004] In order to solve the above problems, the present invention discloses an infiltrated ceramic granule, which comprises the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/85
Inventor 苏建丽
Owner 浙江创魏新材股份有限公司
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