Phase Change Material‐Containing Mesoporous Zeolite Composite for Adsorption Heat Recovery,Advanced Materials Interfaces

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Phase Change Material‐Containing Mesoporous Zeolite Composite for Adsorption Heat Recovery
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-09-06 , DOI: 10.1002/admi.202001085
Jihye Choi ₁ , Valentin Valtchev ₂ , Takahiko Moteki ₁ , Masaru Ogura ₁

Affiliation

A mesoporous zeolite is proposed as a phase change material (PCM) carrier. Owing to its physicochemical properties, the PCM‐containing adsorbent has dual functions, namely simultaneous adsorption, and heat storage. In this study, the mesoporous chabazite‐type zeolite SSZ‐13, is prepared under various conditions to obtain optimized mesoporous SSZ‐13 (MSSZ‐13) as a PCM‐containing adsorbent. The PCM is then successfully introduced in the created mesopore space through vapor phase synthesis, and the micropores could be utilized as an adsorption field. The efficiency of the as‐prepared PCM‐containing MSSZ‐13 is evaluated by a dehumidification process. The afforded experimental results show suppressed bed temperature ramping, owing to the recovery of the heat generated upon H₂O adsorption through the PCM. Moreover, the relative amount of adsorbed water increases at the initial period of time‐on‐stream of the contacting humid fluid.

中文翻译：

用于吸附热回收的含相变材料的介孔沸石复合材料

提出了一种介孔沸石作为相变材料（PCM）载体。由于其理化特性，含PCM的吸附剂具有双重功能，即同时吸附和蓄热。在本研究中，介孔菱沸石型沸石SSZ-13是在各种条件下制备的，以获得优化的介孔SSZ-13（MSSZ-13）作为含PCM的吸附剂。然后，通过气相合成将PCM成功地引入到产生的中孔空间中，并且微孔可以用作吸附场。通过除湿过程评估所制备的含PCM的MSSZ-13的效率。所提供的实验结果表明，由于回收了H ₂产生的热量，抑制了床温的升高O通过PCM吸附。此外，在接触湿润流体的初期，吸附水的相对量会增加。

更新日期：2020-09-06

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