Production of process water using integrated membrane processes

Karakulski, K., Gryta, M. and Sasim, M. Production of process water using integrated membrane processes Chemical Papers, Vol.60, No. 6, 2006, 416-421

Document type: ńĆl√°nok z ńćasopisu / Journal Article
Collection: Chemical papers  

Author(s) Karakulski, K.
Gryta, M.
Sasim, M.
Title Production of process water using integrated membrane processes
Journal name Chemical Papers
Publication date 2006
Year available 2006
Volume number 60
Issue number 6
ISSN 0366-6352
Start page 416
End page 421
Place of publication Poland
Publisher Versita
Collection year 2006
Language english
Subject 290000 Engineering and Technology
291100 Environmental Engineering
Abstract/Summary Application of ultrafiltration, nanofiltration, reverse osmosis, membrane distillation, and integrated membrane processes for the preparation of process water from natural water or industrial effluents was investigated. A two-stage reverse osmosis plant enabled almost complete removal of solutes from the feed water. High-purity water was prepared using the membrane distillation. However, during this process a rapid membrane fouling and permeate flux decline was observed when the tap water was used as a feed. The precipitation of deposit in the modules was limited by the separation of sparingly soluble salts from the feed water in the nanofiltration. The combined reverse osmosis‚ÄĒmembrane distillation process prevented the formation of salt deposits on the membranes employed for the membrane distillation. Ultrafiltration was found to be very effective removing trace amounts of oil from the feed water. Then the ultrafiltration permeate was used for feeding of the remaining membrane modules resulting in the total removal of oil residue contamination. The ultrafiltration allowed producing process water directly from the industrial effluents containing petroleum derivatives.
 
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