Performance evaluation of trimethylamine–carbon dioxide thermolytic draw solution for engineered osmosis
نویسندگان
چکیده
منابع مشابه
Desalination by ammonia–carbon dioxide forward osmosis: Influence of draw and feed solution concentrations on process performance
Forward (direct) osmosis (FO) using semi-permeable polymeric membranes may be a viable alternative to reverse osmosis as a lower cost and more environmentally friendly desalination technology. The driving force in the described FO process is provided by a draw solution comprising highly soluble gases—ammonia and carbon dioxide. Using a commercially available FO membrane, experiments conducted i...
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Forward osmosis (FO) has recently drawn attention as a promising membrane based method for seawater and brackish water desalination. In this study, we focus on the use of calciun chloride (CaCl2) and potassium bicarbonate (KHCO3) as inorganic salt draw solution candidates due to their appropriate performance in water flux and reverse salt diffusion as well as reasonable cost. The experiments we...
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Polyepoxysuccinic acid (PESA) is a green corrosion scale inhibitor. When PESA is used for wastewater desalination in the forward osmosis (FO) process, the diluted PESA solution could be used for cooling systems. In our investigation, the effects of membrane orientation, temperature and flow rate on FO performance are studied using PESA as a draw solute. The results show that the effect of tempe...
متن کاملForward osmosis desalination using polymer hydrogels as a draw agent: influence of draw agent, feed solution and membrane on process performance.
We have previously reported the use of hydrogel particles as the draw agent for forward osmosis desalination. In the present work, the effects of draw agent, feed concentration and membrane on the process performance were systematically examined. Our results showed that the incorporation of carbon filler particles in polymer hydrogels led to enhanced swelling ratios of the draw agents and thus ...
متن کاملMicroalgae (Scenedesmus obliquus) dewatering using forward osmosis membrane: Influence of draw solution chemistry
Article history: Received 9 October 2015 Received in revised form 8 December 2015 Accepted 22 January 2016 Available online xxxx Forward osmosis (FO) is gaining increasing interests for its potential applications in biofuel generation. In this study, bench-scale experiments were conducted to investigate the FO performance for microalgae dewatering which is one of the technical challenges in alg...
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ژورنال
عنوان ژورنال: Journal of Membrane Science
سال: 2015
ISSN: 0376-7388
DOI: 10.1016/j.memsci.2014.09.026