Strippen von Kohlenwasserstoffen aus Grundwasser in Füllkörper‐Kolonnen

Maier, Karlheinz; Geipel, W.

doi:10.1002/cite.330630315

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Influence Of Operating Conditions On Removal Efficiency1

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1995

2002

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“…3 shows HTUoL data of perchloroethene, trichloroethene, 1 ,2-dichloroethane and 1,1,2-trichloroethane measured in a technical scale stripper (D = 1 m) with 50-mm Hiflow-rings, a constant water flow rate (B = 51 m3/m2h) and various air flow rates (VG/VL = 10 -100) plotted against the air-to-water ratio V,/ VL. These data confirm the extreme increase in HTUoL with decreasing air flow rates suggested by Maier and Geipel [28]. For decreasing Henry coefficients of CHC this effect is intensified.…”

Section: Influence Of Operating Conditions On Removal Efficiencysupporting

confidence: 87%

Air stripping – a method for treatment of wastewater

Kutzer

Wintrich²,

Mersmann

1995

Chem Eng & Technol

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During recent years the air stripping process has been increasingly applied to the cleaning of water contaminated by volatile organic compounds (VOC). The present contribution compares various methods of treating VOC-contaminated water, with a special focus on removal efficiency and economic aspects. In particular, air stripping, a universally used cleaning method, is described in greater detail. Design and operational aspects are worked out for packed stripping towers for the special case of water contaminated with Chlorinated hydrocarbons. Experimental results substantiate predictions of various operating conditions, packing types and scale-up effects.

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Section: Influence Of Operating Conditions On Removal Efficiencysupporting

confidence: 87%