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Heat Recovery from Sulphuric Acid Plants for Seawater Desalination by Andrea Lovato; Carlos Legorreta; Eva Andersson is a Environmental Science article available to read on EtoBox.

What is Heat Recovery from Sulphuric Acid Plants for Seawater Desalination about?

It is a well known fact that sulphuric acid production is a highly exothermic process. In that sense, combined with the increased energy cost, surprisingly little heat is recovered from the process. Most often the heat is just cooled offby means of seawater or in air coolers. When recovering heat from the absorption and drying tower coolers, only minor changes to the process are needed. With plate heat exchangers (PHEs), the heat in the sulphuric acid can be recovered with negligible temperature losses and minimum space requirements. The PHE can take crossing temperature programs, temperature pinches of less than 5°C and still having k-values of about 2500 kW/(°C'm2). The heat recovered can be used for district heating of cities, boiler feed water preheating or as heating media in connected processes or adjacent plants. A very interesting use of this heat is for the production of fresh water by desalination of sea or brackish water, when the sulphuric acid plants are situated close to the coast such as several installations in Middle East and Northern African connlries. The thermal duties in the acid coolers are very well adapted for heat recovery in combination with production of

Who reads Heat Recovery from Sulphuric Acid Plants for Seawater Desalination?

Author

Andrea Lovato; Carlos Legorreta; Eva Andersson

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0011-9164)

Published

2001

Language

EN

Field

Environmental Science (Physical Sciences)