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a �sr r r w or recycle. Strain stripping is typically appropriatetomoslstn PD�ng apphcat:ons far the•Ftast�volStile organs r.. and then used for in-plant separation•whereas air are demonstrated by means of a worked determining the distrrbution of the,other or steam may be used lot end-of-pipe example.A BASK program suitable for components Separately.USLa0the simpli• treatment,depending on the volatility of desktop computers is provided for the fied design correlations for cimcentraled the organics and post-Irewments pro• case of adiabatic air Strinp-ng where the streams may result in encirs due to vided. In addition. air stripping is being usual simplified equations are less reli- thermal effects and deviations from increasingly used for the removal of able_ A comprehensive review of the vaPot-liquid equilibriumcorre:tat ioris.The trihalomethanes (THMs) and trichroro- theory of stripping and the development more rigorous design equations may. ethylene -(TCE) from drinking water of the design equations is also included. however,be used without difficulty pro. supplies. Although the manual is not intended as a vided the necessaryenthalpy py and equi- text,the reader may find the background librium constant data are available. Purpose material useful as a refresher course In The design ofancillarysyStemssuch as Thepurposeof this manual is to provide. stripping.We recommend that allusers and. other vapor handling within a single document,both data and scanthebackground seclions.particularly equipment is specifically not handled procedures for designing and costing with reference to the limitations on the Multiple towers and batch stripping are stripping systems for organics separation, procedures and data. alsonctlreated.Maintenanceandopera- _ A major objective was to develop and The p.ocessdesign isoriented towards tional problems ate not discussed, and summurinrsimplified and practical engi- sinpl.-component relatively dilute sys Controls.instru menial ion.and civil design neering procedures of study grade as gems.Other systemscan neven helessbe arenotcovered.Thatoseofthese items is ' curacy.The designs and costs obtained handled as well.For example,mullicom- nevertheless included•in the budget are suitaLle for eva!uating the feasibility Ponenlsystems can hesized bydesigning estimates. and viability of stripping relative to other control technologies and fcr checkiog • cndedfoial designs. They are not in tended for HarishM.Shullaand.Y.FdwinHicks aft wilhWater General Corp,-Wdltham,MA r detailed or definitive designs. 02154. Scope Kenneth A.postaiis the EPA Project Officer fsee below). • The design Procedures rover. rhe complete report.entitled"Process Design Manual/orStritping olOrgan;cs." !Order No.PR 84.232 628,-Cast•614.50,Subic.,to Changel will be av tiMble rr i + only lrar 1. Tray and packed towers National Technical Information Service 2. Air and steam stripping 5285 Porf RoyalRoad 3. Live and reboil steam Springl;eld VA 32151 4, Refluxed and non-refluxed steam rClcPtione.•703-487-4650 -% stripping The EPA Project Officer can be contacted ar 5, Isothermal and adiabatic operation Industrial EnvironmentalResearchLaboratory U.S.Environmental Protection Agency 6, Continuous operation Cincinnati.OH 45268 k+n 7. Ancillary equipment including heat exchangers i.. The design and cost procedures are =u s,GovtnuutaT Pnrart-.--G orrCt,tya,_7°3.4)es1731e summarized in a slepwise fashion to facifilato theirroutine use.Procedures for using the simplified analytical equations United States Center for Envi: m unentaf Research environmental Protection Information BULK RATE ASancy Cincinnati OH 45268 POSTAGE L FEES PAID EPA I•-ERMIT No.G-3s official Bus inass Penalty for Private Use$300 lti rl� I _