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Preparation method for lithium zirconium oxide type adsorbent

A zirconium oxide and adsorbent technology, which is applied in the field of preparation of lithium zirconium oxide adsorbent, can solve the problems of poor adsorption effect of the adsorbent, and achieve better adsorption effect, low cost and mild reaction conditions

Inactive Publication Date: 2014-11-19
PURESCI ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Purpose of the invention: the purpose of the present invention is to provide a preparation method of a lithium-zirconium oxide type adsorbent with good adsorption effect, to solve the problem of poor adsorption effect of the existing adsorbent

Method used

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Embodiment 1

[0015] Embodiment 1: the raw material that preparation method of the present invention adopts is: lithium sulfate 160g, zirconium dioxide 72g, ammonium chloride 27g, deionized water 1L, Na 2 CO 3 106g. The preparation method is as follows: (1) dissolving ammonium chloride in deionized water to prepare a complexing agent solution; (2) adding lithium sulfate and zirconium dioxide to the complexing agent solution, mixing them at 55° C. at 50 Stir at a speed of 1 / min for 2h; (3) After filtering the mixed system obtained in step (2), take the filter residue, which is washed with deionized water and dried to obtain lithium zirconium oxide, namely Li 2 ZrO 3 ; (4) the Li obtained in step (3) 2 ZrO 3 with Na 2 CO 3 After mixing, react at 600°C for 3 hours to obtain lithium zirconium oxide adsorbent.

Embodiment 2

[0016] Embodiment 2: The raw materials that the preparation method of the present invention adopts are: lithium simple substance 7g, lithium hydroxide 16g, zirconium dioxide 36g, zirconium sulfate 68g, ammonium sulfate 23g, deionized water 1L, K 2 CO 3 69g, MgCO 3 84g.

[0017] The preparation method is as follows: (1) dissolving ammonium sulfate in deionized water to prepare a complexing agent solution; (2) adding lithium element, lithium hydroxide, zirconium sulfate and zirconium dioxide into the complexing agent solution, mixing Stir at 65°C for 3 hours at a speed of 180 / min; (3) After filtering the mixed system obtained in step (2), take the filter residue, wash the filter residue with deionized water and dry it to obtain lithium zirconium oxide, namely Li 2 ZrO 3 ; (4) the Li obtained in step (3) 2 ZrO 3 with K 2 CO 3 , MgCO 3 After mixing, react at 1000°C for 11 hours to obtain lithium zirconium oxide adsorbent.

Embodiment 3

[0018] Embodiment 3: The raw materials that the preparation method of the present invention adopts are: lithium chloride 95g, zirconium oxychloride 120g, ammonium chloride 6g, ammonium oxalate 62g, deionized water 1L, MgCO 3 100g. Its preparation method is: (1) dissolving ammonium chloride and ammonium oxalate in deionized water to prepare a complexing agent solution; (2) adding lithium chloride and zirconium oxychloride to the complexing agent solution, mixing them at 60 Stirring at a speed of 180 / min for 2.5 h at °C; (3) After filtering the mixed system obtained in step (2), take the filter residue, wash the filter residue with deionized water and dry it to obtain lithium zirconium oxide, namely Li 2 ZrO 3 ; (4) the Li obtained in step (3) 2 ZrO 3 with MgCO 3 After mixing, react at 800°C for 8 hours to obtain lithium zirconium oxide adsorbent.

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Abstract

The invention discloses a preparation method for a lithium zirconium oxide type adsorbent. The preparation method comprises the following steps: a lithium source and a zirconium source react in a complexing agent solution to obtain Li2ZrO3 (lithium zirconate), and after the Li2ZrO3 is mixed with carbonate, the Li2ZrO3 and the carbonate react under the temperature of 600-1000 DEG C to obtain the lithium zirconium oxide type adsorbent. The preparation method disclosed by the invention has the advantages that raw materials are easy to obtain, the cost is low, reaction conditions are mild and reaction steps are fewer. Compared with the existing adsorbent, the adsorbing effect of the adsorbent prepared by the method disclosed by the invention is better.

Description

technical field [0001] The invention belongs to the field of adsorbents, and in particular relates to a preparation method of a lithium-zirconium oxide-type adsorbent. Background technique [0002] The development of modern industry has led to CO 2 massive emissions. while CO 2 As a major greenhouse gas, the increase of its concentration in the atmosphere will produce a serious greenhouse effect, leading to global climate anomalies, sea level rise and extreme weather, which will have a huge adverse impact on human survival and development. . Therefore, in industrial production and other production and life, there is an urgent need for some efficient adsorption and treatment of CO 2 products and technologies. Contents of the invention [0003] Purpose of the invention: The purpose of the present invention is to provide a preparation method of a lithium-zirconium oxide adsorbent with good adsorption effect, so as to solve the problem of poor adsorption effect of the exi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/06B01J20/30B01D53/02
Inventor 贾东新焦德华何玲丽
Owner PURESCI ENVIRONMENTAL TECH CO LTD
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