A Demonstration of High Temperature MED-TVC Desalination Technology in the Gulf Area
American Journal of Chemical Engineering
Volume 7, Issue 2, March 2019, Pages: 57-64
Received: Apr. 14, 2019;
Accepted: May 23, 2019;
Published: Jun. 19, 2019
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Younggeun Lee, Corporate R&D Institute, Doosan Heavy Industries & Construction Co., Ltd., Yongin-si, South Korea
Osman Ahmed Hamed, Desalination Technologies Research Institute (DTRI), SWCC, Al Jubail, Saudi Arabia
Amr Mohammad Mahmoud, Desalination Technologies Research Institute (DTRI), SWCC, Al Jubail, Saudi Arabia
Khalid Bamardouf, Desalination Technologies Research Institute (DTRI), SWCC, Al Jubail, Saudi Arabia
Sultan Ahmed, Doosan Water R&D Center, Al Khobar, Saudi Arabia
Byungsung Park, Desalination Technologies Research Institute (DTRI), SWCC, Al Jubail, Saudi Arabia
Abdulaziz Suliman Al-Jamhan, Desalination Technologies Research Institute (DTRI), SWCC, Al Jubail, Saudi Arabia
This work focuses on a multiple effect desalination system with thermal vapor compressor (MED-TVC) operating at a top brine temperature (TBT) of 85°C which is significantly above the common operation temperatures of conventional MED-TVC systems, limited to a range below 70°C mainly due to scale risk. Such increase in TBT would enhance the production and system economics. A pilot plant installed at the Desalination Technologies Research Institute (DTRI) of the Saline Water Conversion Corporation (SWCC) in Jubail, Saudi Arabia was operated at the TBT of 85°C over a 5-month test period. Visual inspection of tube bundles after the test, in conjunction with chemical scale analysis showed that scaling was limited to a soft thin film scale, which was easily removed by flushing with water, which confirmed a low fouling potential analyzed from operation data. Techno-economic analysis of the MED-TVC system operating at a TBT of 85°C, indicated up to 34% reduction in steam consumption and up to 16% reduction in the levelized cost of water (LCOW), when compared with a MED-TVC unit operating at a conventional TBT of 65°C. Accordingly, the high temperature MED-TVC systems operating at a TBT of 85°C can be considered as a financially competitive and technologically reliable desalination option for the Gulf area which has challenging seawater characteristics.
Osman Ahmed Hamed,
Amr Mohammad Mahmoud,
Abdulaziz Suliman Al-Jamhan,
A Demonstration of High Temperature MED-TVC Desalination Technology in the Gulf Area, American Journal of Chemical Engineering.
Vol. 7, No. 2,
2019, pp. 57-64.
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