Energy saving integrated membrane crystallization: A sustainable technology solution
IR@CIMFR: CSIR-Central Institute of Mining and Fuel Research, Dhanbad
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Title |
Energy saving integrated membrane crystallization: A sustainable technology solution
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Creator |
Das, Pallabi
Singh, K.K.K. Maity, S. |
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Subject |
Envieronmental Management Group
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Description |
An integrated membrane system for crystallization has been studied experimentally. Performance of two membrane based processes; Osmotic Crystallization (OC) and Ultrafiltration (UF) were compared by using different membrane configurations (flat sheet and hollow fibre). Possibility of reduction in crystallization time by antisolvent addition was also explored. Different process combinations were developed for comparative performance analysis. For macromolecular feeds, it was seen UF see was more viable; though FO was attractive with respective to operation at ambient temperature and pressure. Integrated membrane based antisolvent crystallization did not affect the purity of the crystals as is evident from the X-Ray Diffraction analysis of the obtained crystals. The integrated membrane system showed an energy saving of 33.33% while antisolvent addition decreased energy consumption by 16.7%. Combination of membrane based and antisolvent crystallization further lowered the energy consumption by a whopping 36%. This was accompanied with a proportional reduction of 17% of crystallization time with respect to conventional evaporative crystallization. The competitive flux and energy saving quotient makes the system techno-economically viable.
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Publisher |
Elsevier
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Date |
2019-12
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Type |
Article
PeerReviewed |
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Relation |
https://doi.org/10.1016/j.seppur.2019.115722
http://cimfr.csircentral.net/2075/ |
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Identifier |
Das, Pallabi and Singh, K.K.K. and Maity, S. (2019) Energy saving integrated membrane crystallization: A sustainable technology solution. Separation and Purification Technology, 228.
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