Phase change material for efficient removal of crystal violet dye

Yousef Haik, Shahnaz Qadri, Ashley Ganoe, Sarmadia Ashraf, Reyad Sawafta

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


Hazardous dye removal and recovery from wastewater requires efficient capturing material. We report a phase change material (PCM) with phase change temperature of 16 °C giving up to 98% removal of crystal violet in few minutes. The PCM was found to collect 54 times of its weight soluble dye. The dye adsorption kinetics obeys a second order pseudo rate. Upon cooling the PCM to below 16 °C it gels and enabled solid removal of the captured dye.

Original languageEnglish
Pages (from-to)1110-1112
Number of pages3
JournalJournal of Hazardous Materials
Issue number1-3
Publication statusPublished - Apr 15 2010


  • Crystal violet
  • Dye recovery
  • Phase change material

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis


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