Forsterite-based foamed ceramic for carbon sequestration and preparation method of forsterite-based foamed ceramic

A technology based on olivine and foamed ceramics, which is applied in the fields of ceramic products, applications, household appliances, etc., can solve the problem of achieving a balance in structural strength, and achieve the effects of improving structural strength, increasing mechanical properties, and increasing reuse rate

Pending Publication Date: 2022-06-24
武汉理碳环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the present invention provides a forsterite-based foam ceramic for carbon sequestration and a preparation method thereof, which solves the problems of the forsterite-based foam for carbon neutralization in the prior art. It is difficult for ceramics to achieve a balance between carbon dioxide absorption efficiency and its own structural strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A forsterite-based foam ceramic for carbon sequestration and a preparation method thereof, comprising the following steps:

[0044] S1, 100 parts of forsterite powder, 2 parts of kaolin powder, 3 parts of potassium feldspar powder, 4 parts of potassium oxide powder and 6 parts of boron oxide powder are uniformly mixed for 0.5h to obtain the main ingredient, while the carboxymethyl 8wt% of the main ingredient is mixed Cellulose, 2wt% sodium dodecylbenzene sulfonate and 70wt% deionized water are mixed into an additive solution; the additive solution is poured into the main material and mixed for 2 hours to obtain a ceramic slurry;

[0045] S2. Immerse the polyurethane foam template into the ceramic slurry in step S1, take out and squeeze the excess slurry; and then dry the template at 65°C for 8 hours to obtain a ceramic green body;

[0046] S3, heating the ceramic body obtained in step S2 to 700° C. under an air atmosphere at 10° C. / min for 4 hours to obtain a ceramic pr...

Embodiment 2

[0051] A forsterite-based foam ceramic for carbon sequestration and a preparation method thereof, comprising the following steps:

[0052] S1, 100 parts of forsterite powder, 3 parts of bauxite powder, 5 parts of albite powder, 2 parts of potassium oxide powder and 4 parts of sodium oxide powder are uniformly mixed for 0.5h to obtain the main ingredient, while the carboxymethyl methacrylate that accounts for 6wt% of the main ingredient is mixed Base cellulose, 3wt% of sodium dodecylbenzenesulfonate and 85wt% of deionized water are mixed into an additive solution; the additive solution is poured into the main material and mixed for 2 hours to obtain a ceramic slurry;

[0053] S2. Immerse the polyurethane foam template into the ceramic slurry in step S1, take out and squeeze the excess slurry; and then dry the template at 70° C. for 6 hours to obtain a ceramic green body;

[0054] S3, heating the ceramic body obtained in step S2 to 850° C. under an air atmosphere at 15° C. / min f...

Embodiment 3

[0059] A forsterite-based foam ceramic for carbon sequestration and a preparation method thereof, comprising the following steps:

[0060] S1, 100 parts of forsterite powder, 1 part of dolomite, 9 parts of kaolin powder and 5 parts of boron oxide powder are uniformly mixed for 0.5h to obtain the main material, and at the same time, 4wt% of carboxymethyl cellulose, 1.5wt% of Sodium dodecyl benzene sulfonate and 78wt% deionized water are mixed into an additive solution; the additive solution is poured into the main material and mixed for 2 hours to obtain a ceramic slurry;

[0061] S2. Immerse the polyurethane foam template into the ceramic slurry in step S1, take out and squeeze the excess slurry; and then dry the template at 75° C. for 8 hours to obtain a ceramic green body;

[0062] S3, heating the ceramic body obtained in step S2 to 900° C. under an air atmosphere at 20° C. / min for 2 hours to obtain a ceramic pre-sintered body.

[0063] S4, uniformly mixing 28 parts of sili...

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Abstract

The invention provides forsterite-based foamed ceramic for carbon sequestration, the forsterite-based foamed ceramic for carbon sequestration comprises main materials and additives, the main materials comprise forsterite, natural minerals and a conditioning agent, and the additives comprise cellulose and a surfactant; the invention also provides a preparation method of the forsterite-based foamed ceramic for carbon sequestration. Through cooperation of an additive material and a modifier material and through soaking and heat treatment steps, a layer of crystal phase with higher strength is attached to the surface of the hollow hole rib of the polyester foamed ceramic, so that the physical strength of the foamed plastic is improved, and combination of high carbon dioxide absorption efficiency and high structural strength is achieved; after absorbing carbon dioxide, the foamed ceramic can be widely applied to multiple fields such as building, metallurgy, aviation and medical treatment by virtue of high-strength mechanical properties, and the reutilization rate of the foamed ceramic material is improved.

Description

technical field [0001] The invention relates to the technical field of carbon dioxide sequestration, in particular to a forsterite-based foam ceramic for carbon sequestration and a preparation method thereof. Background technique [0002] With the continuous development of human industrial activities, the concentration of carbon dioxide in the atmosphere has gradually increased, leading to problems such as extreme weather, sea level rise, species extinction and ecosystem deterioration, which seriously threaten the future safety of human life. It is necessary to seek effective and low-cost carbon reduction solutions and actively promote carbon dioxide capture and storage (CCS) technology. Among them, carbon sequestration is the core of this technology, and is mainly divided into geological sequestration, marine sequestration and mineral sequestration technologies. In comparison, mineral sequestration technology has the characteristics of environmental protection, safety and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/06C04B35/20C04B35/622C04B35/63
CPCC04B38/067C04B35/20C04B35/622C04B35/6303C04B2235/3201C04B2235/321C04B2235/3217C04B2235/3409C04B2235/3472C04B2235/349C04B2235/6562C04B2235/6567C04B2235/96C04B38/0074C04B38/0054
Inventor 祝洪喜余超汪盛明祝道全胡莹董博魏建国程厚睿
Owner 武汉理碳环保科技有限公司
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