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Worldwide Oil Prize, Desalination and Population Growth Correlation Study

Författare:
Redaktör:
  • Rolf Larsson (Associate professor)
Publiceringsår: 2009
Språk: Engelska
Sidor: 37-46
Publikation/Tidskrift/Serie: Journal of Water Management and Research (VATTEN)
Volym: 65
Nummer: 1
Dokumenttyp: Artikel

Sammanfattning

As a function of oil production and population increase for a large group of countries for the last 25 years. These
countries were selected for their large desalination production and Sweden presented as reference. Oil production
correlated well with investments in new desalination capacity. On a yearly basis, the correlation was about
78 %, but taking into account the time needed from investment decision to inauguration of new desalination
plants, the correlation increased. The world oil production two years prior inauguration correlated to 88 % with
new world desalination capacity during the entire study time.
The total population for the studied countries was compared to the world population. In 1950, about 69 %
of world population lived in the chosen countries, decreasing to 63 % in the year 2008 and according to population
prognosis continues to decrease to 56 % in the year 2050 with occupied area of about 52 %. The total
desalination capacities of these countries are slightly increased from 88 to 92 % in 1996 and 2008 respectively,
and decreased to 90 % at 2050.
Increased desalination capacity means increased energy demand. To a large extent, the energy costs are site
specific as are the costs of labour and capital, but the reported water price was about 2.5 US $/m3 desalinated
water until the 1980s, decreasing to roughly US $1.5/m3 in the early 1990s and to about $0.50/m3 in the late
2003.

Disputation

Nyckelord

  • Technology and Engineering
  • Population
  • Oil Production
  • Seawater Desalination and Capacity
  • Brine Discharge
  • Recovery Ratio
  • Salinity

Övriga

Published
Yes
  • ISSN: 0042-2886

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