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Article citations


Husnain, T. (2014) Combined Forward Osmosis and Membrane Distillation System for Wastewater Treatment and Reuse. Ph.D. Dissertation, George Washington University, Washington DC.

has been cited by the following article:

  • TITLE: A Combined Forward Osmosis and Membrane Distillation System for Sidestream Treatment

    AUTHORS: Taqsim Husnain, Baoxia Mi, Rumana Riffat

    KEYWORDS: Forward Osmosis, Membrane Distillation, Sidestream Treatment, Nutrient Removal

    JOURNAL NAME: Journal of Water Resource and Protection, Vol.7 No.14, September 22, 2015

    ABSTRACT: Separate treatment of high-nutrient sidestream is an efficient and cost effective way to decrease the loading on the main plant, resulting in lower effluent nutrient concentration. This study investigated the use of a combined forward osmosis-membrane distillation (FO-MD) system for the removal of nitrogen present in high concentration in sidestream from anaerobic digestion process. The combined system was able to achieve almost 100% rejection of solids and acetic acid, and more than 98% rejection of NH3-N from the sidestream. The high rejection of NH3-N was mainly achieved by the FO process. The solids in the feed solution contributed to fouling problem in both FO and MD, resulting in significant decline in flux. However, 76% or higher flux recovery was achieved for FO membrane by cleaning with tap water. We observed that flux recovery was due to removal of solids from the membrane surface by the cleaning process. FO membrane also demonstrated excellent performance for continuous operation when cleaned for 15 min in every 24 h interval. Overall, the combined FO-MD system was found to be an effective solution for treatment of nutrient rich sidestream.