The performance investigation of a temperature cascaded cogeneration system equipped with adsorption desalination unit

Aung Myat, Thu Kyaw, Young Deuk Kim, Ng Kim Choon

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents the performance investigation of a temperature cascaded cogeneration plant, shortly in TCCP, equipped with an efficient waste heat recovery system. The TCCP or cogeneration system produces four types of useful energy namely (i) electricity, (ii) steam, (iii) cooling, and (iv) dehumidification and distilled water by utilizing single energy source. The TCCP comprises a Capstone C30 micro-turbine that generates nominal capacity of 26 kW of electricity, a compact and efficient waste heat recovery system and a host of waste heatactivated devices namely (i) a steam generator, (ii) an absorption chiller, (iii) an adsorption desalination system, and (iv) a multi-bed desiccant dehumidifier. The analysis is performed under different operation conditions such as heat source temperatures, flow rates of heat transfer fluids and chilled water inlet temperatures. The only single heat source for TCCP is obtained from exhaust gas of micro-turbine and it is channeled to a series of waste heat recovery heat exchangers to steam and hot water at different temperatures. Hot water produced by such a compact heat exchangers is the driving heat source to produce steam of 15 kg/h, cooling of 2 Rton, dehumidification of 2 Rton, and distilled water of 0.7 m3/day. A set of experiments, both part load and full load, of micro-turbine is conducted to examine the electricity generation and the exhaust gas temperature. It is observed that energy utilization factor could achieve as high as 70% while fuel energy saving ratio is found to be 28%.

Original languageEnglish
Pages (from-to)1900-1907
Number of pages8
JournalDesalination and Water Treatment
Volume51
Issue number7-9
DOIs
Publication statusPublished - Jan 1 2013

Fingerprint

cogeneration
Desalination
desalination
adsorption
Adsorption
Waste heat utilization
heat source
turbine
Turbines
Steam
Electricity
Water
Exhaust gases
temperature
Heat exchangers
electricity
Temperature
Cooling
cooling
Cogeneration plants

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Ocean Engineering
  • Pollution

Cite this

The performance investigation of a temperature cascaded cogeneration system equipped with adsorption desalination unit. / Myat, Aung; Kyaw, Thu; Kim, Young Deuk; Choon, Ng Kim.

In: Desalination and Water Treatment, Vol. 51, No. 7-9, 01.01.2013, p. 1900-1907.

Research output: Contribution to journalArticle

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