The present work describes a silica gel + water adsorption-based desalination and chiller system, an emerging low cost process of integrating thermal desalination and cooling by utilizing low-grade heat. The cycle employs a combination of flash evaporation and thermal compression of steam in single/two stage to generate the dual effect. The current study aims at simulating a four-bed/stage adsorption system using energy and mass balance along with kinetics of adsorption. The performance of single- and two-stage adsorption systems is compared for ambient temperatures in the range of 25–45 °C and a constant heat source temperature of 85 °C.

References

References
1.
Sakoda
,
A.
, and
Suzuki
,
M.
,
1984
, “
Fundamental Study on Solar Powered Adsorption Cooling System
,”
J. Chem. Eng. Jpn.
,
17
(
1
), pp.
52
57
.
2.
Härkönen
,
M.
, and
Aittomäki
,
A.
,
1992
, “
Analytical Model for the Thermal Wave Adsorption Heat Pump Cycle
,”
Heat Recovery Syst. CHP
,
12
(
1
), pp.
73
80
.
3.
Sami
,
S. M.
, and
Tribes
,
C.
,
1996
, “
An Improved Model for Predicting the Dynamic Behavior of Adsorption Systems
,”
Appl. Therm. Eng.
,
16
(
2
), pp.
149
161
.
4.
Chua
,
H. T.
,
Ng
,
K. C.
,
Wang
,
W.
,
Yap
,
C.
, and
Wang
,
X. L.
,
2004
, “
Transient Modeling of a Two-Bed Silica Gel–Water Adsorption Chiller
,”
Int. J. Heat Mass Transfer
,
47
(
4
), pp.
659
669
.
5.
Chua
,
H. T.
,
Ng
,
K. C.
,
Malek
,
T.
,
Kashiwagi
,
T.
,
Akisawa
,
A.
, and
Saha
,
B. B.
,
1999
, “
Modeling the Performance of Two-Bed, Silica Gel-Water Adsorption Chillers
,”
Int. J. Refrig.
,
22
(
3
), pp.
194
204
.
6.
Qu
,
T. F.
,
Wang
,
R. Z.
, and
Wang
,
W.
,
2001
, “
Study on Heat and Mass Recovery in Adsorption Refrigeration Cycles
,”
Appl. Therm. Eng.
,
21
(
4
), pp.
439
452
.
7.
Saha
,
B. B.
,
Koyama
,
S.
,
Lee
,
J. B.
,
Kuwahara
,
K.
,
Alam
,
K. C. A.
,
Hamamoto
,
Y.
,
Akisawa
,
A.
, and
Kashiwagi
,
T.
,
2001
, “
Performance Evaluation of Low-Temperature Waste Heat Driven Multi-Bed Adsorber Chiller
,”
Int. J. Multiphase Flow
,
29
(
8
), pp.
1249
1263
.
8.
Miyazaki
,
T.
,
Akisawa
,
A.
,
Saha
,
B. B.
,
El-Sharkawy
,
I. I.
, and
Chakraborty
,
A.
,
2009
, “
A New Cycle Time Allocation for Enhancing the Performance of Two-Bed Adsorption Chillers
,”
Int. J. Refrig.
,
32
(
5
), pp.
846
863
.
9.
Chang
,
W. S.
,
Wang
,
C.-C.
, and
Shieh
,
C.-C.
,
2009
, “
Design and Performance of a Solar-Powered Heating and Cooling System Using Silica Gel/Water Adsorption Chiller
,”
Appl. Therm. Eng.
,
29
(
10
), pp.
2100
2105
.
10.
Thu
,
K.
,
Ng
,
K. C.
,
Saha
,
B. B.
,
Chakraborty
,
A.
, and
Koyama
,
S.
,
2009
, “
Operational Strategy of Adsorption Desalination System
,”
Int. J. Heat Mass Transfer
,
52
(
7–8
), pp.
1811
1816
.
11.
Thu
,
K.
,
Saha
,
B. B.
,
Chakraborty
,
A.
,
Chun
,
W. G.
, and
Ng
,
K. C.
,
2011
, “
Study on an Advanced Adsorption Desalination Cycle With Evaporator–Condenser Heat Recovery Circuit
,”
Int. J. Heat Mass Transfer
,
54
(
1–3
), pp.
43
51
.
12.
Thu
,
K.
,
Chakraborty
,
A.
,
Kim
,
Y.
,
Myat
,
A.
,
Saha
,
B. B.
, and
Ng
,
K. C.
,
2013
, “
Numerical Simulation and Performance Investigation of an Advanced Adsorption Desalination Cycle
,”
Desalination
,
308
, pp.
209
218
.
13.
Ng
,
K. C.
,
Thu
,
K.
,
Kim
,
Y.
,
Chakraborty
,
A.
, and
Amy
,
G.
,
2013
, “
Adsorption Desalination: An Emerging Low-Cost Thermal Desalination Method
,”
Desalination
,
308
, pp.
161
179
.
14.
Ng
,
K. C.
,
Thu
,
K.
,
Chakraborty
,
A.
,
Saha
,
B. B.
, and
Chun.
,
W. G.
,
2009
, “
Solar-Assisted Dual-Effect Adsorption Cycle for the Production of Cooling Effect and Potable Water
,”
Int. J. Low-Carbon Technol.
,
4
(
2
), pp.
61
67
.
15.
Saha
,
B. B.
,
Akisawa
,
A.
, and
Kashiwagi
,
T.
,
1997
, “
Silica Gel Water Advanced Adsorption Refrigeration Cycle
,”
Energy
,
22
(
4
), pp.
437
447
.
16.
Saha
,
B. B.
,
Akisawa
,
A.
, and
Kashiwagi
,
T.
,
2001
, “
Solar/Waste Heat Driven Two-Stage Adsorption Chiller: The Prototype
,”
Renewable Energy
,
23
(
1
), pp.
93
101
.
17.
Saha
,
B. B.
,
Koyama
,
S.
,
Kashiwagi
,
T.
,
Akisawa
,
A.
,
Ng
,
K. C.
, and
Chua
,
H. T.
,
2003
, “
Waste Heat Driven Dual-Mode, Multi-Stage, Multi-Bed Regenerative Adsorption System
,”
Int. J. Refrig.
,
26
(
7
), pp.
749
757
.
18.
Mitra
,
S.
,
Kumar
,
P.
,
Srinivasan
,
K.
, and
Dutta
,
P.
,
2014
, “
Simulation Study of a Two-Stage Adsorber System
,”
Appl. Therm. Eng.
,
72
(
2
), pp.
283
288
.
19.
Wang
,
X.
,
Zimmermann
,
W.
,
Ng
,
K. C.
,
Chakraboty
,
A.
, and
Keller
,
J. U.
,
2004
, “
Investigation on the Isotherm of Silica Gel + Water Systems TG and Volumetric Methods
,”
J. Therm. Anal. Calorim.
,
76
(
2
), pp.
659
669
.
20.
El-Sharkawy
,
I. I.
,
2011
, “
On Linear Driving Force Approximation for Adsorption Cooling Applications
,”
Int. J. Refrig.
,
34
(
3
), pp.
667
673
.
21.
Raymond
,
A.
, and
Garimella
,
S.
,
2011
, “
Intraparticle Mass Transfer in Adsorption Heat Pumps: Limitations of the Linear Driving Force Approximation
,”
ASME J. Heat Transfer
,
133
(
4
), p.
042001
.
You do not currently have access to this content.