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- Multiple-effect_evaporator abstract "A multiple-effect evaporator, as defined in chemical engineering, is an apparatus for efficiently using the heat from steam to evaporate water. In a multiple-effect evaporator, water is boiled in a sequence of vessels, each held at a lower pressure than the last. Because the boiling temperature of water decreases as pressure decreases, the vapor boiled off in one vessel can be used to heat the next, and only the first vessel (at the highest pressure) requires an external source of heat. While in theory, evaporators may be built with an arbitrarily large number of stages, evaporators with more than four stages are rarely practical except in systems where the liquor is the desired product such as in chemical recovery systems where up to seven effects are used.The multiple-effect evaporator was invented by an African-American inventor and engineer Norbert Rillieux. Although he may have designed the apparatus during the 1820s and constructed a prototype in 1834, he did not build the first industrially practical evaporator until 1845. Originally designed for concentrating sugar in sugar cane juice, it has since become widely used in all industrial applications where large volumes of water must be evaporated, such as salt production and water desalination.Multiple effect evaporation commonly uses sensible heat in the condensate to preheat liquor to be flashed. In practice the design liquid flow paths can be somewhat complicated in order to extract the most recoverable heat and to obtain the highest evaporation rates from the equipment. Multiple-effect evaporation plants in sugar beet factories have up to eight effects. Six effect evaporators are common in the recovery of black liquor in the kraft process process for making wood pulp.".
- Multiple-effect_evaporator thumbnail Double_effect_evaporator.PNG?width=300.
- Multiple-effect_evaporator wikiPageID "1712357".
- Multiple-effect_evaporator wikiPageLength "2511".
- Multiple-effect_evaporator wikiPageOutDegree "15".
- Multiple-effect_evaporator wikiPageRevisionID "706227844".
- Multiple-effect_evaporator wikiPageWikiLink Category:Evaporators.
- Multiple-effect_evaporator wikiPageWikiLink Category:Industrial_equipment.
- Multiple-effect_evaporator wikiPageWikiLink Chemical_engineering.
- Multiple-effect_evaporator wikiPageWikiLink Desalination.
- Multiple-effect_evaporator wikiPageWikiLink Distillation.
- Multiple-effect_evaporator wikiPageWikiLink Evaporator_(marine).
- Multiple-effect_evaporator wikiPageWikiLink Kraft_process.
- Multiple-effect_evaporator wikiPageWikiLink Multi-stage_flash_distillation.
- Multiple-effect_evaporator wikiPageWikiLink Norbert_Rillieux.
- Multiple-effect_evaporator wikiPageWikiLink Salt.
- Multiple-effect_evaporator wikiPageWikiLink Steam.
- Multiple-effect_evaporator wikiPageWikiLink Sugar.
- Multiple-effect_evaporator wikiPageWikiLink Sugar_beet.
- Multiple-effect_evaporator wikiPageWikiLink Sugarcane.
- Multiple-effect_evaporator wikiPageWikiLink File:Double_effect_evaporator.PNG.
- Multiple-effect_evaporator wikiPageWikiLinkText "Multiple-effect evaporator".
- Multiple-effect_evaporator wikiPageWikiLinkText "multiple effect evaporator".
- Multiple-effect_evaporator wikiPageWikiLinkText "multiple-effect evaporator".
- Multiple-effect_evaporator wikiPageUsesTemplate Template:Engineering-stub.
- Multiple-effect_evaporator wikiPageUsesTemplate Template:Reflist.
- Multiple-effect_evaporator subject Category:Evaporators.
- Multiple-effect_evaporator subject Category:Industrial_equipment.
- Multiple-effect_evaporator hypernym Apparatus.
- Multiple-effect_evaporator type Discipline.
- Multiple-effect_evaporator comment "A multiple-effect evaporator, as defined in chemical engineering, is an apparatus for efficiently using the heat from steam to evaporate water. In a multiple-effect evaporator, water is boiled in a sequence of vessels, each held at a lower pressure than the last. Because the boiling temperature of water decreases as pressure decreases, the vapor boiled off in one vessel can be used to heat the next, and only the first vessel (at the highest pressure) requires an external source of heat.".
- Multiple-effect_evaporator label "Multiple-effect evaporator".
- Multiple-effect_evaporator sameAs Q6934868.
- Multiple-effect_evaporator sameAs Evaporador_de_efecto_múltiple.
- Multiple-effect_evaporator sameAs m.05qdct.
- Multiple-effect_evaporator sameAs Q6934868.
- Multiple-effect_evaporator wasDerivedFrom Multiple-effect_evaporator?oldid=706227844.
- Multiple-effect_evaporator depiction Double_effect_evaporator.PNG.
- Multiple-effect_evaporator isPrimaryTopicOf Multiple-effect_evaporator.