Novel technique for improving the water adsorption isotherms of metal-organic frameworks for performance enhancement of adsorption driven chillers

M. L. Palash, Israt Jahan, Tahmid Hasan Rupam, Sivasankaran Harish, Bidyut Baran Saha

Research output: Contribution to journalArticle

Abstract

Thermally driven adsorption-driven chillers (ADCs) is the emerging technology for reducing primary energy consumption and greenhouse gas emission by utilizing solar energy and waste heat from various sources. The key element of these ADCs is the adsorbent materials; the performance of the systems heavily depends upon the properties of the adsorbents. Metal-organic frameworks (MOFs) are becoming the most promising adsorbent for having a high surface area, tunability, and generating S-shaped isotherms while pairing with water. In this study, MOF aluminum fumarate was synthesized using a novel environmental-friendly route and doped with two different metallic ions (Co2+, Ni2+). Various material characterization experiments were completed to check structural integrity. Additionally, a comparative investigation of water adsorption at 30 °C and 60 °C were reported for commercial aluminum fumarate and three new synthesized samples. The investigation shows a significant improvement of water uptake in the lower relative pressure region (P/Po < 0.3) for all the synthesized and doped samples.

Original languageEnglish
Article number119313
JournalInorganica Chimica Acta
Volume501
DOIs
Publication statusPublished - Feb 1 2020

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adsorbents
Adsorption isotherms
Adsorbents
Fumarates
isotherms
Metals
Aluminum
Adsorption
adsorption
Water
augmentation
metals
water
aluminum
waste heat
Waste heat
greenhouses
solar energy
energy consumption
Structural integrity

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

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title = "Novel technique for improving the water adsorption isotherms of metal-organic frameworks for performance enhancement of adsorption driven chillers",
abstract = "Thermally driven adsorption-driven chillers (ADCs) is the emerging technology for reducing primary energy consumption and greenhouse gas emission by utilizing solar energy and waste heat from various sources. The key element of these ADCs is the adsorbent materials; the performance of the systems heavily depends upon the properties of the adsorbents. Metal-organic frameworks (MOFs) are becoming the most promising adsorbent for having a high surface area, tunability, and generating S-shaped isotherms while pairing with water. In this study, MOF aluminum fumarate was synthesized using a novel environmental-friendly route and doped with two different metallic ions (Co2+, Ni2+). Various material characterization experiments were completed to check structural integrity. Additionally, a comparative investigation of water adsorption at 30 °C and 60 °C were reported for commercial aluminum fumarate and three new synthesized samples. The investigation shows a significant improvement of water uptake in the lower relative pressure region (P/Po < 0.3) for all the synthesized and doped samples.",
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AU - Palash, M. L.

AU - Jahan, Israt

AU - Rupam, Tahmid Hasan

AU - Harish, Sivasankaran

AU - Saha, Bidyut Baran

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AB - Thermally driven adsorption-driven chillers (ADCs) is the emerging technology for reducing primary energy consumption and greenhouse gas emission by utilizing solar energy and waste heat from various sources. The key element of these ADCs is the adsorbent materials; the performance of the systems heavily depends upon the properties of the adsorbents. Metal-organic frameworks (MOFs) are becoming the most promising adsorbent for having a high surface area, tunability, and generating S-shaped isotherms while pairing with water. In this study, MOF aluminum fumarate was synthesized using a novel environmental-friendly route and doped with two different metallic ions (Co2+, Ni2+). Various material characterization experiments were completed to check structural integrity. Additionally, a comparative investigation of water adsorption at 30 °C and 60 °C were reported for commercial aluminum fumarate and three new synthesized samples. The investigation shows a significant improvement of water uptake in the lower relative pressure region (P/Po < 0.3) for all the synthesized and doped samples.

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