Experimental study on saline solution by direct contact membrane distillation

Yangjiu Liu, Jitian Han, Yunshan Wang, Jen Tien-Chien

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Polyvinylidene fluoride (PVDF) hollow fiber membrane is used as membrane material, NaCl solutions with concentrations of 5%, 15% and 25% are treated by direct contact membrane distillation. Orthogonal experiment is used to optimize the operation conditions, and the result show that value of the permeate flux (J) could achieve maximum value of 12.599 kg/(m2•h) when the inlet temperature of liquid side (T1) is 80℃, inlet temperature of osmotic side (T3) is 20℃, and flow rate (Q) is 100 L/h. Gained output ratio (GOR) could be 13.775 when T1 is 80℃, T3 is 35℃ and Q is 40 L/h. The salt rejection ratio all is more than 99.9%. The result of single factor experiment show that J is raised with the increase of T1 and Q, but decreased with the increase of T3. GOR is increased with the increase of T1 and T3, but decreased with the increase of the Q. The research indicate that membrane distillation technology has a good applied prospect of treat saline solution.

Original languageEnglish
Pages (from-to)246-251
Number of pages6
JournalHuagong Xuebao/CIESC Journal
Volume69
DOIs
Publication statusPublished - 1 Dec 2018

Keywords

  • Desalination
  • Design
  • Direct contact membrane distillation
  • Distillation
  • PVDF hollow fiber membrane

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering

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