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Method for sealing carbon dioxide in inorganic solid waste ceramsite mineralized concrete

A technology of inorganic solids and carbon dioxide, applied in the direction of solid waste management, sustainable waste treatment, climate sustainability, etc., can solve problems such as difficult control, cracking, high concrete influence factors, etc.

Active Publication Date: 2022-05-03
BEIJING FAIRVIEW NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is to provide a method for sequestering carbon dioxide in inorganic solid waste ceramsite mineralized concrete, which overcomes the high cost of carbon dioxide adsorption, analysis, and sequestration in the prior art and the fact that there are many influencing factors in the existing use of carbon dioxide to maintain concrete, which is not easy to control , It is easy to cause large-area cracking and other unqualified concrete blocks

Method used

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  • Method for sealing carbon dioxide in inorganic solid waste ceramsite mineralized concrete
  • Method for sealing carbon dioxide in inorganic solid waste ceramsite mineralized concrete
  • Method for sealing carbon dioxide in inorganic solid waste ceramsite mineralized concrete

Examples

Experimental program
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Effect test

Embodiment 1

[0087] 1. Preparation of fly ash ceramsite filter ball

[0088] Measure various raw materials according to the proportioning in Table 4, use Raymond mill to carry out ultrafine powder to the material, grind

[0089] Add the water of 210.5kg and the cetyltrimethylammonium bromide of 50kg respectively in the process, grind the fine powder through 15um sieve, then add the mixed water of remaining 50kg cetyltrimethylammonium bromide and 210.5kg After uniformity, add foaming agent to form balls. After aging the raw material of the filter balls, put them at room temperature for 2 hours, then move them into the drying room, heat and dry them at 120°C for 3 hours, and then cool them naturally for 0.5 hours to obtain a particle size of 1- 4mm fly ash ceramsite filter ball.

[0090] Table 4. Raw material formula of fly ash ceramsite filter ball

[0091]

[0092] 2. Preparation of aminated ceramsite filter ball

[0093] Tetramethylammonium glycine ([N1111][Gly]) 1250kg dissolved in...

Embodiment 2

[0104] 1. Preparation of fly ash ceramsite filter ball

[0105] Measure various raw materials according to the ratio in Table 7, adopt Raymond mill to carry out ultrafine powder to the material, add 210.5kg of water and 50kg of tetradecyltrimethylammonium bromide respectively in the grinding process, and grind the powder 15um sieve, then add the remaining 50kg of tetradecyltrimethylammonium bromide and 210.5kg of water and mix well, then add foaming agent to form a ball, the raw material of the filter ball is aged, that is, placed at room temperature for 2h, and then moved into In a drying room, heat and dry at 120°C for 3 hours, and then cool naturally for 0.5 hours to obtain ceramsite filter balls with a particle size of 3mm.

[0106] Table 7. Raw material formula of fly ash ceramsite filter ball

[0107]

[0108] 2. Preparation of aminated ceramsite filter ball

[0109] React 1L (2mol) of amino acid waste liquid produced by industrial amino acid production with 2mol of...

Embodiment 3

[0120] 1. Preparation of fly ash ceramsite filter ball

[0121] Measure various raw materials according to the ratio in Table 10, measure various inorganic materials and use Raymond mill to make ultrafine powder of materials, add 210.5kg of water, 25kg of cetyltrimethylammonium bromide and 25kg of dodecyl dimethyl benzyl ammonium chloride, grind fine powder through a 15um sieve, then add the remaining 25kg of cetyl trimethyl ammonium bromide, 25kg of dodecyl dimethyl benzyl ammonium chloride After mixing with 210.5kg of water, foaming agent is added to form balls. The filter ball raw material is aged, that is, placed at room temperature for 2 hours, then moved into a drying room, heated and dried at 120°C for 3 hours, and then naturally cooled for 0.5 hours. A ceramsite filter ball with a particle size of 1-4mm is prepared.

[0122] Table 10. Raw material formula of fly ash ceramsite filter ball

[0123]

[0124] 2. Preparation of aminated ceramsite filter ball

[0125] ...

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Abstract

The invention relates to a method for sealing carbon dioxide by inorganic solid waste ceramsite mineralized concrete, which comprises the following steps: preparing inorganic solid waste ceramsite filter balls; preparing an aminated ceramsite filter ball; after the aminated ceramsite filter ball fully absorbs carbon dioxide, a filter ball adsorbing saturated carbon dioxide is obtained; and uniformly mixing and stirring the saturated carbon dioxide adsorption filter balls and cement mortar concrete to prepare a mineralized lightweight concrete test piece. Inorganic solid waste ceramsite filter balls are treated by an amino acid salt solution and / or amino ionic liquid, then are introduced into a high-concentration CO2 environment such as factory chimney gas and the like to adsorb saturated CO2, and then are directly added into concrete as an additive; and the escaped CO2 rapidly mineralizes and maintains the cementing material and is converted into the main component calcium carbonate of the concrete, and the CO2 is converted and sealed.

Description

technical field [0001] The invention relates to a method for sequestering carbon dioxide by inorganic solid waste ceramsite mineralized concrete, and belongs to the field of carbon dioxide absorption and sequestration methods. Background technique [0002] Negative carbon is the real solution to global climate change, not only to eliminate all CO produced in production and life 2 , it also needs to consume a large amount of existing CO 2 , It is necessary to convert and store carbon dioxide to avoid leakage and secondary escape of carbon dioxide. The key to realizing negative carbon industry and negative carbon economy lies in systematic technological innovation. Establish a carbon-negative large-scale, industrialized and commercialized industrial economy consisting of three parts: "carbon absorption", "carbon emission reduction" and "carbon utilization". At present, the global carbon removal technology has been analyzed through the whole life cycle, and it can hardly mee...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B18/02C04B22/06C04B20/10
CPCC04B28/00C04B18/021C04B22/06C04B20/1022C04B2201/50C04B2201/20C04B18/16C04B22/002C04B20/0048C04B2103/302Y02W30/91
Inventor 苏斌苏文锦苏文雯
Owner BEIJING FAIRVIEW NEW TECH CO LTD
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