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 Posted: Fri 16:10, 17 Dec 2010 Post subject: ugg prezzo Membrane organic vapor recovery system |
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Membrane organic vapor recovery system in the Industry
100,000 t of linear low density polyethylene, in the production process,[link widoczny dla zalogowanych], the olefin by polymerization. Obtained polymer (powder), on which a large number of olefin monomer adsorption need to clean the purification of high purity nitrogen, and then sent for granulation, and therefore the emission gas purification tower contains a lot of olefins, the previous plant emission gas purification tower is to send the torch burning,[link widoczny dla zalogowanych], through the use of Dalian Institute of Chemical Physics of the membrane separation device treatment discharge gas, get gas and exhaust gas can infiltrate back to the first 2O Membrane Science and Technology, Volume back to the original system. Specific process shown in Figure 6 Figure 5 A step polymers for membrane separation of propylene / nitrogen separation and recovery of 96% & control Figure 6 for ethylene and butene monomer recovery of the membrane separation device 1. Imports of raw gas; 2 gas out []: 3 out of rJ permeate gas handling capacity of the device 100 / h, inlet air pressure of 0.6-0,8 MPa, permeate gas pressure was about 0.06MPa, operating temperature for a 3 ~ l0 ℃. By the device processing, ethylene and butene were concentrated 2 to 3 times. Recovery of about 68% of ethylene,[link widoczny dla zalogowanych], butene recovery of about 70%, the concentration of nitrogen gas is about 93% of the volume fraction of the economic benefits of recycling points _ Bu significant recovery of only the amount of butene on the annual value of 80 to 100 million 3 Conclusion application of technology and equipment from the above point of view, membrane separation technology for organic vapor recovery process is technically 'at J lines in the economic and social benefits is also very valuable,[link widoczny dla zalogowanych], how to promote the use of this technology widely , is the difficult task of membrane science and technology workers. Membrane technology and related disciplines with the development of this technology will penetrate into the broad industrial production, environmental protection, industry and other fields of technology development to go. References l1,[link widoczny dla zalogowanych], BakerRW, sfm1onsVLMembrane ~ ys. 'Lemsf. r Ⅵ recoveryfromairs1aTns [J]. Filtration World SeparaliOn. 1994f5): 231 ~ 235 [2JKenichiInoue, KalsumiIshli. Organicvaporg ~ eparationusingmembrane [J]. At beam technology blush, 1993.30 {1): 25 ~ 34l3lsushjOkamolo. VOCeIYtissionc. t11FO 【bymembranlJ]. Membrane, 1995,20 (1): l8 - 28.4] OhlroggeK, Volmileorganiccompoundoontro [mchnolog2, \TheEleventhPmnua 【Mea ~ [2. bran ~ Technology / SearalionsPlanningConference [c] Nwto are 1. Max-~ achusetts. 1993ApplicationsofmembraneseparationsystemsforVOCrecoveryXINGDanrnin, CAOYiming, LIHui, LJL 『Fuqiang (DalianInstituteofChemicalPhysics, ChineseAcademy\ManypracticalapplicationsinthisfieldaredescribedandcriticallydiscussedTheresultsfromVOCre-coveD \Keywords: vapororganiccomponent (VOC); recovery; membraneseparation
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