Life-cycle cost analysis of adsorption cycles for desalination

Thu Kyaw, A. Chakraborty, Bidyut Baran Saha, Won Gee Chun, K. C. Ng

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

This paper presents the thermo-economic analysis of the adsorption desalination (AD) cycle that is driven by low-temperature waste heat from exhaust of industrial processes or renewable sources. The AD cycle uses an adsorbent such as the silica gel to desalt the sea or brackish water. Based on an experimental prototype AD plant, the life-cycle cost analysis of AD plants of assorted water production capacities has been simulated and these predictions are translated into unit cost of water production. Our results show that the specific energy consumption of the AD cycle is 1.38 kWh/m3 which is the lowest ever reported. For a plant capacity of 1000 m3/d, the AD cycle offers a unit cost of $0.457/m3 as compared to more than $0.9 for the average RO plants. Besides being cost-effective, the AD cycle is also environment-friendly as it emits less CO2 emission per m3 generated, typically 85% less, by comparison to an RO process.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalDesalination and Water Treatment
Volume20
Issue number1-3
DOIs
Publication statusPublished - Jan 1 2010

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cost analysis
Desalination
desalination
Life cycle
life cycle
adsorption
Adsorption
Costs
cost
Water
Waste heat
Economic analysis
Silica gel
economic analysis
brackish water
Adsorbents
Energy utilization
gel
silica
seawater

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Ocean Engineering
  • Pollution

Cite this

Life-cycle cost analysis of adsorption cycles for desalination. / Kyaw, Thu; Chakraborty, A.; Saha, Bidyut Baran; Chun, Won Gee; Ng, K. C.

In: Desalination and Water Treatment, Vol. 20, No. 1-3, 01.01.2010, p. 1-10.

Research output: Contribution to journalArticle

Kyaw, Thu ; Chakraborty, A. ; Saha, Bidyut Baran ; Chun, Won Gee ; Ng, K. C. / Life-cycle cost analysis of adsorption cycles for desalination. In: Desalination and Water Treatment. 2010 ; Vol. 20, No. 1-3. pp. 1-10.
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