By Nikolay Voutchkov
Released with the Water surroundings Federation and WateReuse organization, it is a complete, one-volume engineering reference on desalination.
"Desalination Engineering making plans layout and Operation" covers all features of desalination venture implementation--including making plans and price estimating, layout, and kit choice. After an summary of all key modern desalination applied sciences, the ebook specializes in opposite osmosis membrane desalination, which at the present is the main broadly utilized expertise for creation of clean consuming water from hugely saline water sources.
Offers theoretical ideas of desalination and their useful applicationPresents a step by step process for choice, layout, and value estimating of key desalination plant remedy componentsContains examples in every one bankruptcy illustrating a number of applied sciences and their implementationsExplains tips to troubleshoot regular desalination plant operational demanding situations and function desalination crops extra successfully
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Additional info for Desalination Engineering - Planning and Design
This “brine recycle” feature has been adopted in practically all of the most recent MSF facility designs and allows significant improvement of the overall cost competitiveness of MSF installations. Each flash stage typically produces approximately 1 percent of the total volume of the desalination plant’s condensate. , the volume of distillate expressed as a percentage of the total volume of processed source water) is typically 19 to 28 percent. For comparison, RO seawater desalination plants have a recovery of 40 to 45 percent.
This feed water sprayed on the tube bundles boils, and the generated vapor passes through mist eliminators, which collect brine droplets from the vapor. The feed water that turned into vapor in the first stage (effect) is introduced into the heat exchanger tubes of the next effect. Because the next effect is maintained at slightly lower pressure, although the vapor is slightly cooler, it still condenses into freshwater at this lower temperature. This process of reducing the ambient pressure in each successive stage allows the feed water to undergo multiple successive boilings without the introduction of new heat.
It is expressed in nephelometric turbidity units (NTU). 0 NTU. ) can cause significant turbidity increases and variations. 05 NTU causes very low particulate fouling. 0 NTU, although this level is relatively high in practical terms. 1 NTU is desirable. Although turbidity is a good measure of the overall content of particulates in the source water, on its own it is not an adequate parameter to characterize water’s potential for particulate or other fouling. Turbidity measurement does not provide information regarding the type and size of particles in the source water and does not measure the content of dissolved organic and inorganic foulants.