稀硫酸浓缩工艺及设备选型（Process and equipment selection of dilute sulphuric acid concentration）.docVIP

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稀硫酸浓缩工艺及设备选型（Process and equipment selection of dilute sulphuric acid concentration）.doc

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稀硫酸浓缩工艺及设备选型（Process and equipment selection of dilute sulphuric acid concentration）

稀硫酸浓缩工艺及设备选型（Process and equipment selection of dilute sulphuric acid concentration） This paper contributed by dengfei7. Pdf document may at the WAP end of the browsing experience poor. Suggest you select TXT, or download the source file to the machine view. Ninth Chen Yongbing: dilute sulphuric acid concentration process and equipment selection - 3 - 2 Dilute sulfuric acid concentration technology and equipment selection A (Tong Luolan Graphite Equipment Co Ltd, Su Nantong Nanjiang 261) 201 Abstract: This paper introduces vacuum falling film concentrating dilute sulfuric acid absorption process, introduces the equipment performance and equipment selection calculation basis. Keywords: round hole film evaporator to corrosion; heat exchanger; double spray tower; gas-liquid separation; enrichment CLC number: Q1.6T1115 document code: B article number: 08 - 2X (080100120) 9 - 0203 - 03 CocnrtnTehooyadEqimetSlcinoltufrcAcdnetaicnlgnupneetfDieSliioouu CHENog - bnYn - Ig (atnulrpiqinatr, atg20, HN) NnogLoaGahtEuptcyNno26CianemeFon11 AbtatItdcdtecnettntcnlgftedltufrcaiyvcuadflnlsrc:nruehocnriehooyoieslicdbaumnalgfmoaohuuii Eaoain, noueheeupnefrneadtecluainfreimetslcin, vprtoitdcdtqimetpromacnhacltoqupneetroo Kerscldclkgahtflnlvpmtr.iic0aatorsnhacagr; ywod:yiraborpilgfmea0osbdrtnlnirietxhnesnlceaiieicooe Srytwegs lqieaain; oertpaor; Aiudsprtocncntae 1 Introduction Sulfuric acid is a colorless and odorless oily liquid, the mass fraction of HS is 93 in concentrated sulfuric acid used, density of 18O 8%.4 GC / m. Sulfuric acid is a high boiling point difficult volatile acid, soluble in water. Sulfuric acid is one of the important basic chemical industry products, not only it Slot (Figure 1. 3) such as equipment selection 31 evaporator. According to the annual It acid (0) million into the 6%, raw materials (sulfur acid) concentration of 3% tons of finished products, raw material consumption of acid acid 2, water 1. 0 per t steam t Is the raw material for many chemical products, w