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Carbon dioxide acceptors

A technology of carbon dioxide and acceptors, applied in zirconia, inorganic chemistry, carbon compounds, etc., can solve problems such as sintering

Inactive Publication Date: 2008-05-21
NTNU TECH TRANSFER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the powder subsequently reacts in the solid state with lithium carbonate at high temperature with sintering problems

Method used

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  • Carbon dioxide acceptors
  • Carbon dioxide acceptors
  • Carbon dioxide acceptors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] SolA: 100 g of zirconyl nitrate hydrate dissolved in 1 liter of deionized water.

[0090] SolB: 100 g of lithium acetate dihydrate dissolved in 1 liter of deionized water.

[0091] The mixture was stirred overnight and stored in a sealed bottle.

Embodiment 2

[0093] The solution prepared in Example 1 was standardized by thermogravimetric analysis in order to calculate the ZrO per g of solution that can be obtained by its calcination 2 and Li 2 The amount of O. For this purpose, known quantities of each solution were placed in pre-dried alumina crucibles. The samples were calcined and the weight of the resulting oxide was measured. The alumina crucible was dried and calcined in a muffle furnace at 1000° C. for 12 hours. The heating and cooling rate was 200°C / h. The result obtained is: 3.03×10 -4 mol ZrO 2 / g solA and 5.02×10 -4 mol Li 2 O / g solB.

Embodiment 3

[0095] Mix appropriate amounts of solA and solB prepared in Example 1 to synthesize 10 g of Li 2 ZrO 3 (0.065 mol). According to the standardized results in Example 2, 215 g of solA (0.065 mol of ZrO 2 ) and 130g of solB (0.065mol of Li 2 O) Mix and stir overnight.

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Abstract

A process for the preparation of a nanoparticulate carbon dioxide acceptor, said acceptor being a mixed metal oxide comprising at least two metal ions X and Y, wherein said process comprises contacting in solution a precursor of an oxide of metal ion X and a precursor of an oxide of metal ion Y; drying said solution to form an amorphous solid; and calcining said amorphous solid to form said acceptor.

Description

technical field [0001] The present invention relates to a method for preparing a nanoparticle carbon dioxide acceptor, an acceptor prepared by the method, and the acceptor for capturing CO in various 2 Use in processes such as the structure of membranes formed from said nanoparticle material and regeneration of said receptors. Background technique [0002] Global warming is perhaps the greatest challenge facing humanity today. Currently, about 29 billion tons of CO are emitted annually due to human activities such as the burning of fossil fuels 2 released into the atmosphere. This number is expected to rise as countries such as China and India become more industrialized. [0003] Given the catastrophic climate-induced impact of carbon dioxide, most countries have signed up to the Kyoto Protocol aimed at reducing these emissions, and are now known to seek to remove CO from factory exhaust. 2 to minimize emissions to air. [0004] Scientists have engineered a way to remov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/06C01B31/20C01G25/02B01D53/00C01B32/50C01G
CPCY02C10/08Y02C10/04Y02C10/06Y02A50/20
Inventor 马格纳斯·伦宁埃丝特·奥乔亚-费尔南德斯托尔·格兰德陈德
Owner NTNU TECH TRANSFER
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