Adsorption cycle “heat from cold” for upgrading the ambient heat

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Adsorption cycle “heat from cold” for upgrading the ambient heat : The testing a lab-scale prototype with the composite sorbent CaClBr/silica. / Tokarev, Mikhail M.; Gordeeva, Larisa G.; Grekova, Alexandra D. et al.

In: Applied Energy, Vol. 211, 01.02.2018, p. 136-145.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{a71f6e4bd8ed4930b7e96bd314ddc958,

title = "Adsorption cycle “heat from cold” for upgrading the ambient heat: The testing a lab-scale prototype with the composite sorbent CaClBr/silica",

abstract = "Adsorptive transformation of heat is an emerging technology that is especially promising for low-temperature heat sources. Recently, an adsorption cycle (the so-called “Heat from Cold” or HeCol) has been suggested for upgrading the ambient heat in cold countries. This paper addresses the selection of composite sorbents of methanol specialized for this cycle and the study of their sorption properties. First, we analyzed which adsorbent is optimal for the HeCol cycle and how its properties depend on the HeCol cycle boundary temperatures. Then, three composite sorbents, based on CaCl2, CaBr2 and their mixture confined inside the silica gel mesopores, were prepared and their sorption equilibrium with methanol was analyzed keeping in mind the HeCol cycles with various boundary temperatures. It was shown, that these composite sorbents exchange up to 0.48 g of methanol per 1 g of the composite that far exceeds this value for common activated carbons. Finally, a first lab-scale HeCol prototype was built and tested with one of the studied sorbents, namely CaClBr/SiO2, to evaluate the feasibility of the cycle.",

keywords = "Adsorptive heat transformers, Composites “calcium halides/silica”, Heat upgrading, Methanol, Sorption, STORAGE, COOLING SYSTEMS, METHANOL, PERFORMANCE, Composites {"}calcium halides/silica{"}, AIR-CONDITIONING SYSTEMS, POROUS MATRIX, CLIMATE CONTROL, CHILLER, CALCIUM-CHLORIDE, SORPTION EQUILIBRIUM",

author = "Tokarev, {Mikhail M.} and Gordeeva, {Larisa G.} and Grekova, {Alexandra D.} and Aristov, {Yuri I.}",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",

year = "2018",

month = feb,

day = "1",

doi = "10.1016/j.apenergy.2017.11.015",

language = "English",

volume = "211",

pages = "136--145",

journal = "Applied Energy",

issn = "0306-2619",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Adsorption cycle “heat from cold” for upgrading the ambient heat

T2 - The testing a lab-scale prototype with the composite sorbent CaClBr/silica

AU - Tokarev, Mikhail M.

AU - Gordeeva, Larisa G.

AU - Grekova, Alexandra D.

AU - Aristov, Yuri I.

PY - 2018/2/1

Y1 - 2018/2/1

N2 - Adsorptive transformation of heat is an emerging technology that is especially promising for low-temperature heat sources. Recently, an adsorption cycle (the so-called “Heat from Cold” or HeCol) has been suggested for upgrading the ambient heat in cold countries. This paper addresses the selection of composite sorbents of methanol specialized for this cycle and the study of their sorption properties. First, we analyzed which adsorbent is optimal for the HeCol cycle and how its properties depend on the HeCol cycle boundary temperatures. Then, three composite sorbents, based on CaCl2, CaBr2 and their mixture confined inside the silica gel mesopores, were prepared and their sorption equilibrium with methanol was analyzed keeping in mind the HeCol cycles with various boundary temperatures. It was shown, that these composite sorbents exchange up to 0.48 g of methanol per 1 g of the composite that far exceeds this value for common activated carbons. Finally, a first lab-scale HeCol prototype was built and tested with one of the studied sorbents, namely CaClBr/SiO2, to evaluate the feasibility of the cycle.

AB - Adsorptive transformation of heat is an emerging technology that is especially promising for low-temperature heat sources. Recently, an adsorption cycle (the so-called “Heat from Cold” or HeCol) has been suggested for upgrading the ambient heat in cold countries. This paper addresses the selection of composite sorbents of methanol specialized for this cycle and the study of their sorption properties. First, we analyzed which adsorbent is optimal for the HeCol cycle and how its properties depend on the HeCol cycle boundary temperatures. Then, three composite sorbents, based on CaCl2, CaBr2 and their mixture confined inside the silica gel mesopores, were prepared and their sorption equilibrium with methanol was analyzed keeping in mind the HeCol cycles with various boundary temperatures. It was shown, that these composite sorbents exchange up to 0.48 g of methanol per 1 g of the composite that far exceeds this value for common activated carbons. Finally, a first lab-scale HeCol prototype was built and tested with one of the studied sorbents, namely CaClBr/SiO2, to evaluate the feasibility of the cycle.

KW - Adsorptive heat transformers

KW - Composites “calcium halides/silica”

KW - Heat upgrading

KW - Methanol

KW - Sorption

KW - STORAGE

KW - COOLING SYSTEMS

KW - METHANOL

KW - PERFORMANCE

KW - Composites "calcium halides/silica"

KW - AIR-CONDITIONING SYSTEMS

KW - POROUS MATRIX

KW - CLIMATE CONTROL

KW - CHILLER

KW - CALCIUM-CHLORIDE

KW - SORPTION EQUILIBRIUM

UR - http://www.scopus.com/inward/record.url?scp=85034094066&partnerID=8YFLogxK

U2 - 10.1016/j.apenergy.2017.11.015

DO - 10.1016/j.apenergy.2017.11.015

M3 - Article

AN - SCOPUS:85034094066

VL - 211

SP - 136

EP - 145

JO - Applied Energy

JF - Applied Energy

SN - 0306-2619

ER -

ID: 9160360

Adsorption cycle “heat from cold” for upgrading the ambient heat: The testing a lab-scale prototype with the composite sorbent CaClBr/silica

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