{"id":59976,"date":"2024-01-16T13:36:10","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"https:\/\/minipress.ru\/katalog\/?p=59976"},"modified":"2024-03-19T13:28:04","modified_gmt":"2024-03-19T10:28:04","slug":"combining-spray-drying-and-freeze-drying","status":"publish","type":"post","link":"https:\/\/minipress.ru\/farmaceutico-equipos\/drying-of-bulk-materials-in-a-fluidized-bed\/combining-spray-drying-and-freeze-drying\/","title":{"rendered":"Combining spray drying and freeze drying"},"content":{"rendered":"
[vc_row][vc_column][vc_column_text]<\/span>\r\n\r\nA<\/span> significant<\/span> role<\/span> in<\/span> improving<\/span> heat<\/span> and<\/span> mass<\/span> transfer<\/span> is<\/span> played<\/span> by<\/span> the<\/span> evaporation<\/span> surface<\/span> and<\/span> the<\/span> thickness<\/span> of<\/span> the<\/span> frozen<\/span> material<\/span> layer.<\/span> An<\/span> increase<\/span> in<\/span> the<\/span> evaporation<\/span> surface<\/span> is<\/span> achieved<\/span> by<\/span> increasing<\/span> the<\/span> dispersion<\/span> and<\/span> specific<\/span> surface<\/span> area<\/span> of<\/span> the<\/span> material.<\/span> This<\/span> can<\/span> be<\/span> done<\/span> by<\/span> spraying<\/span> and<\/span> additional<\/span> grinding<\/span> of<\/span> the<\/span> frozen<\/span> product,<\/span> which<\/span> makes<\/span> it<\/span> possible<\/span> to<\/span> obtain<\/span> a<\/span> product<\/span> of<\/span> high<\/span> dispersion.<\/span> According<\/span> to<\/span> preliminary<\/span> estimates,<\/span> the<\/span> cost<\/span> of<\/span> removing<\/span> 1<\/span> kg<\/span> of<\/span> moisture<\/span> by<\/span> spray<\/span> drying<\/span> is<\/span> 6<\/span> times<\/span> less<\/span> than<\/span> sublimation.<\/span> At<\/span> the<\/span> same<\/span> time,<\/span> transportation<\/span> costs<\/span> are<\/span> significantly<\/span> lower,<\/span> and<\/span> the<\/span> condition<\/span> of<\/span> the<\/span> products<\/span> is<\/span> stable<\/span> during<\/span> long-term<\/span> storage.<\/span> However,<\/span> as<\/span> the<\/span> study<\/span> showed,<\/span> the<\/span> use<\/span> of<\/span> spray<\/span> drying<\/span> is<\/span> possible<\/span> only<\/span> for<\/span> microorganisms<\/span> that<\/span> can<\/span> withstand<\/span> high<\/span> temperatures.<\/span>\r\n\r\n[\/vc_column_text][\/vc_column][\/vc_row]<\/span><\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"
[vc_row][vc_column][vc_column_text] A significant role in improving heat and mass transfer is played by the evaporation surface and the thickness of the frozen material layer. An increase in the evaporation surface is achieved by increasing the dispersion and specific surface area of the material. This can be done by spraying and additional grinding of the frozen…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2244],"tags":[2380,2381,263,43,2378,2374,2373,40,2377,2370,2372,2379,2376,2375,2371,2286,2290,2289,2287],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":".. Autor Roman Tsibulsky","author_link":"https:\/\/minipress.ru\/farmaceutico-equipos\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":"DRYING OF BULK MATERIALS IN A FLUIDIZED BED<\/a>","rttpg_excerpt":"[vc_row][vc_column][vc_column_text] A significant role in improving heat and mass transfer is played by the evaporation surface and the thickness of the frozen material layer. An increase in the evaporation surface is achieved by increasing the dispersion and specific surface area of the material. This can be done by spraying and additional grinding of the frozen...","_links":{"self":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/posts\/59976"}],"collection":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/comments?post=59976"}],"version-history":[{"count":0,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/posts\/59976\/revisions"}],"wp:attachment":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/media?parent=59976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/categories?post=59976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/tags?post=59976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}